{"id":21624,"date":"2022-12-09T15:11:36","date_gmt":"2022-12-09T14:11:36","guid":{"rendered":"https:\/\/www.sepa-europe.com\/2022\/12\/09\/fans-in-medical-technology-quiet-and-reliable\/"},"modified":"2024-01-03T10:45:52","modified_gmt":"2024-01-03T09:45:52","slug":"fans-medicaltechnology","status":"publish","type":"post","link":"https:\/\/www.sepa-europe.com\/en\/2022\/12\/09\/fans-medicaltechnology\/","title":{"rendered":"Fans in medical technology \u2013 quiet and reliable"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21624\" class=\"elementor elementor-21624 elementor-21574\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ea0494 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ea0494\" data-element_type=\"section\" 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class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cc855f1\" data-id=\"cc855f1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-617b4b7 jet-breadcrumbs-page-title-yes elementor-widget elementor-widget-jet-breadcrumbs\" data-id=\"617b4b7\" data-element_type=\"widget\" data-widget_type=\"jet-breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"elementor-jet-breadcrumbs jet-blocks\">\n\t\t<div class=\"jet-breadcrumbs\">\n\t\t<div class=\"jet-breadcrumbs__content\">\n\t\t<div class=\"jet-breadcrumbs__wrap\"><div class=\"jet-breadcrumbs__item\"><a href=\"https:\/\/www.sepa-europe.com\/en\/\" class=\"jet-breadcrumbs__item-link is-home\" rel=\"home\" title=\"Expert for electronics cooling\">Expert for electronics cooling<\/a><\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9b7a3bf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9b7a3bf\" data-element_type=\"section\" 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class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-e8d1f0a\" data-id=\"e8d1f0a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eb42929 elementor-widget elementor-widget-sidebar\" data-id=\"eb42929\" data-element_type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<aside id=\"category-posts-3\" class=\"widget cat-post-widget\"><h3 class=\"widget-title\">Current publications<\/h3><ul id=\"category-posts-3-internal\" class=\"category-posts-internal\">\n<li class='cat-post-item'><div><a class=\"cat-post-title\" href=\"https:\/\/www.sepa-europe.com\/en\/2026\/06\/15\/ec-fans-ac-and-dc-fans\/\" rel=\"bookmark\">EC fans combine the advantages of AC and DC fans<\/a><span class=\"cat-post-date post-date\">15. June 2026<\/span><\/div><\/li><li class='cat-post-item'><div><a class=\"cat-post-title\" href=\"https:\/\/www.sepa-europe.com\/en\/2026\/05\/11\/fm40ed-fingerguard\/\" rel=\"bookmark\">The FM40ED finger guard with an e-coating combines a protection function with an attractive design<\/a><span class=\"cat-post-date post-date\">11. May 2026<\/span><\/div><\/li><li class='cat-post-item'><div><a class=\"cat-post-title\" href=\"https:\/\/www.sepa-europe.com\/en\/2026\/05\/07\/fan-sleeves-reduce-the-noise-level-by-up-to-9-db-and-simultaneously-allow-screwless-installation\/\" rel=\"bookmark\">Fan sleeves reduce the noise level by up to 9 dB and simultaneously allow screwless installation<\/a><span class=\"cat-post-date post-date\">7. May 2026<\/span><\/div><\/li><li class='cat-post-item'><div><a class=\"cat-post-title\" href=\"https:\/\/www.sepa-europe.com\/en\/2026\/01\/20\/radial-blower-turbo\/\" rel=\"bookmark\">DSB5525V radial blower with turbo performance for medical and industrial applications<\/a><span class=\"cat-post-date post-date\">20. January 2026<\/span><\/div><\/li><li class='cat-post-item'><div><a class=\"cat-post-title\" href=\"https:\/\/www.sepa-europe.com\/en\/2026\/01\/20\/embedded-world-2026\/\" rel=\"bookmark\">Embedded world 2026<\/a><span class=\"cat-post-date post-date\">20. January 2026<\/span><\/div><\/li><\/ul>\n<\/aside><aside id=\"archives-3\" class=\"widget widget_archive\"><h3 class=\"widget-title\">News archive<\/h3>\t\t<label class=\"screen-reader-text\" for=\"archives-dropdown-3\">News archive<\/label>\n\t\t<select id=\"archives-dropdown-3\" name=\"archive-dropdown\">\n\t\t\t\n\t\t\t<option value=\"\">Select Month<\/option>\n\t\t\t\t<option value='https:\/\/www.sepa-europe.com\/en\/2026\/06\/'> June 2026 &nbsp;(1)<\/option>\n\t<option value='https:\/\/www.sepa-europe.com\/en\/2026\/05\/'> May 2026 &nbsp;(2)<\/option>\n\t<option value='https:\/\/www.sepa-europe.com\/en\/2026\/01\/'> January 2026 &nbsp;(2)<\/option>\n\t<option value='https:\/\/www.sepa-europe.com\/en\/2025\/11\/'> November 2025 &nbsp;(1)<\/option>\n\t<option value='https:\/\/www.sepa-europe.com\/en\/2025\/10\/'> October 2025 &nbsp;(1)<\/option>\n\t<option value='https:\/\/www.sepa-europe.com\/en\/2025\/09\/'> September 2025 &nbsp;(1)<\/option>\n\t<option 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document.getElementById( \"archives-dropdown-3\" );\n\tfunction onSelectChange() {\n\t\tif ( dropdown.options[ dropdown.selectedIndex ].value !== '' ) {\n\t\t\tdocument.location.href = this.options[ this.selectedIndex ].value;\n\t\t}\n\t}\n\tdropdown.onchange = onSelectChange;\n})();\n\n\/* ]]> *\/\n<\/script>\n<\/aside>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-c847a48\" data-id=\"c847a48\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-29fd0bd elementor-widget elementor-widget-image\" data-id=\"29fd0bd\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2480\" height=\"827\" src=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English.jpg\" class=\"attachment-full size-full wp-image-21627\" alt=\"Radial fan for medical technology\" srcset=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English.jpg 2480w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English-300x100.jpg 300w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English-1024x341.jpg 1024w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English-768x256.jpg 768w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English-1536x512.jpg 1536w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English-2048x683.jpg 2048w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Header-English-600x200.jpg 600w\" sizes=\"(max-width: 2480px) 100vw, 2480px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c26add4 elementor-widget elementor-widget-text-editor\" data-id=\"c26add4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Medical products represent a special group within the wide field of application of fans and complete cooling solutions. Whether for X-ray machines, patient monitors, radiation equipment, ventilators, DNA sequencers or for use in blood diagnostics, fans and chip coolers provide reliable cooling. In one case it may be the temperature of sophisticated power electronics that should not exceed a specific value, in the other the cooling of the graphics editing for the high-resolution digital images that substantially facilitate diagnostic imaging. Powerful fans and chip coolers ensure that the devices function reliably and extend the service life of the electronic components. The demands on fans used in medical technology are particularly high. The fans must boast a long service life and above all they must be extremely quiet.<\/p><p><strong>Requirement: Silent devices<\/strong><\/p><p>Where waste heat occurs due to high performance, the fan is required to function in increasingly compact devices and must furthermore transport the generated heat loss out of the housing. Loud noises must be prevented to avoid disturbing both the patient and the attending medical staff. However, a large fan operating at low speed cannot always be used due to lack of space and a small model has then to do the same work at a higher speed with the consequence that an increase in noise would be inevitable.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fdbb63a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fdbb63a\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;eef92b3&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3fb9ffb\" data-id=\"3fb9ffb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6d8bd71 elementor-widget elementor-widget-image\" data-id=\"6d8bd71\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Axiallufter-LF40P-Flugelausschnitt1-1024x681.jpg\" class=\"attachment-large size-large wp-image-21586\" alt=\"Axial fan blade geometry\" srcset=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Axiallufter-LF40P-Flugelausschnitt1-1024x681.jpg 1024w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Axiallufter-LF40P-Flugelausschnitt1-300x199.jpg 300w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Axiallufter-LF40P-Flugelausschnitt1-768x510.jpg 768w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Axiallufter-LF40P-Flugelausschnitt1-600x399.jpg 600w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Axiallufter-LF40P-Flugelausschnitt1.jpg 1512w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b975b41\" data-id=\"b975b41\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9151102 elementor-widget elementor-widget-text-editor\" data-id=\"9151102\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>Solution: New fan generation<\/strong><\/p><p>A new fan generation combines optimum noise and performance values with its new and somewhat unconventional blade geometry. The considerably higher number of blades enables not only a higher flow rate but also a lower level of noise with the prior flow rate. The high number of rotor blades has aerodynamic disadvantages in the pressure ratios of the blades to one another. <\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fcf677 elementor-widget elementor-widget-text-editor\" data-id=\"4fcf677\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The so-called \u201epressure gap\u201c provides the necessary compensation of the pressure ratios so that the performance of the otherwise relatively closely positioned rotor blades is optimized. The axial fans of the LF series are particularly suitable for medical devices. LF stands for laminated fan and describes the motor design with stator lamination. This enables the fan to operate highly effectively and nevertheless save weight. The hub of the 40 mm model has been deliberately kept as small as possible. This means that there is less \u201edead space\u201c in the centre and it is even easier to aerodynamically optimize the longer rotor blades. The optimization is immediately noticeable. The blades are elegantly shaped with a cut at the ends. This cut prevents the blade during rotation from being hit by the air turbulence of the previous blade and in turn from achieving its own airflow performance.<\/p><p>When comparing it with the previous model of equal size a performance plus of 25% can be observed with the same noise level. Moreover the fan and the speed can be adapted to the required cooling performance via a PWM input which means that only as much noise as absolutely necessary is generated to operate the equipment reliably.<\/p><p>If long standstills are not expected between the necessary operation time, we recommend continuous operation. The speed should be reduced wherever possible so that likewise the noise is reduced.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-3d815a1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3d815a1\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;d3498f1&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a538aa8\" data-id=\"a538aa8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4522fd9 elementor-widget elementor-widget-image\" data-id=\"4522fd9\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Leise-Lufter-Quiet-Fans-Diagramm.jpg\" class=\"attachment-large size-large wp-image-21589\" alt=\"Quiet fans\" srcset=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Leise-Lufter-Quiet-Fans-Diagramm.jpg 1024w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Leise-Lufter-Quiet-Fans-Diagramm-300x169.jpg 300w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Leise-Lufter-Quiet-Fans-Diagramm-768x433.jpg 768w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Leise-Lufter-Quiet-Fans-Diagramm-150x85.jpg 150w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Leise-Lufter-Quiet-Fans-Diagramm-600x338.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-641ceb4\" data-id=\"641ceb4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-01ad9db elementor-widget elementor-widget-text-editor\" data-id=\"01ad9db\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>Further measures to reduce noise<\/strong><\/p><p>Choose the fan with the largest possible dimensions and the lowest speed required for the cooling. Two fans with the same total flow rate can develop up to 12dB less noise than a single fan with higher speed! The unpleasant, \u201eloud\u201c high tone frequency ranges are reduced more than lower and mid-range frequencies.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ab3dd6 elementor-widget elementor-widget-text-editor\" data-id=\"1ab3dd6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The PWM input of the fan can also be used for reducing the noise. This control input can be used to control the speed from approx. 30% to 100% of the nominal speed. This means that the fan then only runs as quickly as is needed at that particular moment. It runs quietly, the current consumption drops proportionally and energy can be saved in the normal mode of operation. A microcontroller with 5V TTL that is already installed on common main boards is required for this purpose. When configuring ensure that there is still leeway at the top end.<\/p><p>Fan sleeves and fastening nipples are additional aids in achieving noise-free operation. These injection-moulded parts made from thermoplastic Elastomer reduce the transmission of structure-borne sound occurring in the fan to the device housing. The noise development can thus be reduced by up to 9 dB. They also serve as a replacement for screws and if necessary nuts which considerably reduces the assembly time.<\/p><p>The significant effect however, can only be seen in fans that are larger than 60 mm. The effect is considerably less noticeable with smaller fans. The reason being the low own weight of the fan itself. The vibrations are thus not absorbed by the standard material as much as large fans or fans with a metal housing. It would be conceivable to use mounting materials for smaller fans with a low Shore hardness that can still nevertheless be processed using the injection moulding method.<\/p><p><strong>Requirement: Reliability<\/strong><\/p><p>Medical devices are also becoming smaller and compacter. The manufacturers have to accommodate more components in less space. Overheating is the consequence which in the worst case can result in failure of the device. The answer is optimal thermal management using fans. However, a number of aspects must be given consideration.<\/p><p><strong>Solution: Temperature, IP protection, operating time and bearing<\/strong><\/p><p>One of the most important points is the temperature in the fan bearings. It must be kept as low as possible and should on no account be permanently high. For the simple reason: The cooler the suctioned in air is, the longer the service life of the fan.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b903314 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b903314\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;458acfd&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e3bcbb3\" data-id=\"e3bcbb3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2863b70 elementor-widget elementor-widget-image\" data-id=\"2863b70\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"796\" src=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Grafik-Lebensdauer-1024x796.jpg\" class=\"attachment-large size-large wp-image-21591\" alt=\"Fan service life\" srcset=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Grafik-Lebensdauer-1024x796.jpg 1024w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Grafik-Lebensdauer-300x233.jpg 300w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Grafik-Lebensdauer-768x597.jpg 768w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Grafik-Lebensdauer-1536x1195.jpg 1536w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Grafik-Lebensdauer-2048x1593.jpg 2048w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Grafik-Lebensdauer-600x467.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ecc5f1b\" data-id=\"ecc5f1b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-beb6b37 elementor-widget elementor-widget-text-editor\" data-id=\"beb6b37\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The curves in the graph refer to continuous operation at nominal voltage and consistent temperature and are mean values.<\/p><p>In the case of fans the temperature of the suctioned in air is the reference temperature. The end of the service life is defined by exceeding the noise limit data or the reduction of the initial speed by &gt;= 30%.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-44287d5 elementor-widget elementor-widget-text-editor\" data-id=\"44287d5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>IP protection<\/strong><\/p><p>Depending on the application in question, condensing humidity or a brief fine mist must be anticipated. There are several methods of protecting the motor and the electronic components against humidity. The electronic components and the motor of compact 80 mm or 120 mm fans can be injection moulded and the lead wires to the electronic components also protected so that the fan could be \u201eimmersed\/submerged\u201c in accordance with the IP Class code \u2013 which will certainly not occur in the application.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5e58e5f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5e58e5f\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;7be6a06&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-19a4010\" data-id=\"19a4010\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e348e58 elementor-widget elementor-widget-image\" data-id=\"e348e58\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Lufter-IP-Schutz-1024x724.jpg\" class=\"attachment-large size-large wp-image-21593\" alt=\"Fan IP protection\" srcset=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Lufter-IP-Schutz-1024x724.jpg 1024w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Lufter-IP-Schutz-300x212.jpg 300w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Lufter-IP-Schutz-768x543.jpg 768w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Lufter-IP-Schutz-600x424.jpg 600w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/Lufter-IP-Schutz.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5305a75\" data-id=\"5305a75\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a115934 elementor-widget elementor-widget-text-editor\" data-id=\"a115934\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>A further method of protection that is used frequently is protective lacquer or the coating of the PCB itself. Most of the problems with humidity can be cost-effectively solved using this method. However, it should never be forgotten that the bearings are always subject to humidity regardless of how the electronic components have been protected.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-880e2a3 elementor-widget elementor-widget-text-editor\" data-id=\"880e2a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Even the so-called labyrinth seals that are sometimes available on the market only help when the fan is in operation. During standstills the bearings are virtually \u201edrowned\u201c. A classic shaft seal is hard to find due to the small motor capacity. In the case of ball bearing fans, the ball bearings have a basic protection with a cover disk on both sides and the use of stainless steel. In special cases ceramic bearings can be used which are not only more expensive but also have other mechanical disadvantages.<\/p><p><strong>Operating time<\/strong><\/p><p>Many applications have shown that e.g. intermittent operation particularly when using sleeve bearings did not have a positive effect on the service life. One of the most frequently asked questions is whether the service life can be significantly extended by on\/off operation of the fan. The service life specifications for fans always refer to continuous operation. In intermittent operation, the fan is not continuously in operation, yet it cannot cool down fully when not in use. During short-time operation the intermissions are long enough for the fan motor to cool down fully. Intermittent operation and short-time operation subject the fan to stress and the service life is reduced. It is therefore advisable only to use short-time operation when the fan is seldom in use.<\/p><p><strong>Bearings<\/strong><\/p><p>The bearings of the motor shaft are the key element that determine the service life. Two completely different bearing systems are in use and each has its own advantages \u2013 ball bearings and sleeve bearings.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ec31a2 elementor-widget elementor-widget-text-editor\" data-id=\"0ec31a2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The sleeve bearing systems comprise a sintered bronze bearing tube and are impregnated with lubricant (lifetime lubrication). In the past sleeve bearings were often extremely unstable due to uncontrolled loss of oil which caused frequent failures. Modern fans however, are equipped with MagFix\u00ae sleeve bearings that prevent the migration of lubricant and thus guarantee stable lubrication throughout the entire service life. These fans that are equipped with magnetic shaft fixation can be used over a wide temperature range and are extremely resistant to vibrations and shock.<\/p><p>High-grade ball bearings are used where temperature and reliability have utmost priority. The ball bearings have polished running surfaces and are permanently lubricated with a wide range lubricant. Two cover disks prevent not only the migration of lubricant but also the penetration of dust.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7981c4f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7981c4f\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;10e45f4&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-fcff5ab\" data-id=\"fcff5ab\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ea3044d elementor-widget elementor-widget-image\" data-id=\"ea3044d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"927\" height=\"795\" src=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/MagFix-Grafik.jpg\" class=\"attachment-large size-large wp-image-21595\" alt=\"Fan MagFix\" srcset=\"https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/MagFix-Grafik.jpg 927w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/MagFix-Grafik-300x257.jpg 300w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/MagFix-Grafik-768x659.jpg 768w, https:\/\/www.sepa-europe.com\/wp-content\/uploads\/2022\/12\/MagFix-Grafik-600x515.jpg 600w\" sizes=\"(max-width: 927px) 100vw, 927px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4b219c2\" data-id=\"4b219c2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-856e04c elementor-widget elementor-widget-text-editor\" data-id=\"856e04c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The sleeve bearing systems comprise a sintered bronze bearing tube and are impregnated with lubricant (lifetime lubrication). In the past sleeve bearings were often extremely unstable due to uncontrolled loss of oil which caused frequent failures. Modern fans however, are equipped with MagFix\u00ae sleeve bearings that prevent the migration of lubricant and thus guarantee stable lubrication throughout the entire service life. These fans that are equipped with magnetic shaft fixation can be used over a wide temperature range and are extremely resistant to vibrations and shock.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-15fd024 elementor-widget elementor-widget-text-editor\" data-id=\"15fd024\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>High-grade ball bearings are used where temperature and reliability have utmost priority. The ball bearings have polished running surfaces and are permanently lubricated with a wide range lubricant. Two cover disks prevent not only the migration of lubricant but also the penetration of dust. <\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfdb80d elementor-widget elementor-widget-button\" data-id=\"dfdb80d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/webkiosk.epaper-kiosk.beam-verlag.de\/5-2022\/67364802\/fullscreen\/187\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Technical article meditronic-journal 11\/2022<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-515befab elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"515befab\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;3b97811&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-23050d98\" data-id=\"23050d98\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Modern devices used in medical technology are equipped with computer-controlled systems or power electronics, e.g. the computer processor in ventilators or the power electronics in devices used for shock wave therapy. In order to prevent the systems from overheating the generated heat must be dissipated. In the case of suitable cooling solutions reliability plays a significant role but noise is equally important.<\/p>\n","protected":false},"author":10,"featured_media":9537,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[279],"_links":{"self":[{"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/posts\/21624"}],"collection":[{"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/comments?post=21624"}],"version-history":[{"count":39,"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/posts\/21624\/revisions"}],"predecessor-version":[{"id":24919,"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/posts\/21624\/revisions\/24919"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/media\/9537"}],"wp:attachment":[{"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/media?parent=21624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/categories?post=21624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sepa-europe.com\/en\/wp-json\/wp\/v2\/tags?post=21624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}