{"id":2679,"date":"2023-05-18T15:51:54","date_gmt":"2023-05-18T12:51:54","guid":{"rendered":"http:\/\/itm.dp.ua\/?page_id=2679"},"modified":"2025-07-02T14:07:15","modified_gmt":"2025-07-02T11:07:15","slug":"self-contained-pneumatic-systems-for-driver-seat-vibration-protection-in-vehicles-of-different-types","status":"publish","type":"page","link":"http:\/\/itm.dp.ua\/?page_id=2679&lang=en","title":{"rendered":"Self-contained pneumatic systems for driver seat vibration protection in vehicles of different types"},"content":{"rendered":"\n<p><strong><em>Purpose<\/em><\/strong><\/p>\n\n\n\n<p>Use in driver seat sus-pensions for a significant reduction of the vertical vibrational loads acting on the driver.<\/p>\n\n\n\n<p><strong><em>Essence of the technology<\/em><\/strong><\/p>\n\n\n\n<p>Based on theoretical and experimental studies, a radically new pneumatic vibration protection system with an elastic rubber-cord shell, which features a quasi-zero stiffness and a gradual increase in stiffness in compression and rebound, has been developed. Setting up nonequilibrium working processes in the air spaces of the vibration protection modules dispenses with hydraulic shock absorbers.<\/p>\n\n\n\n<p><strong><em>Advantages<\/em><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>simple seat suspension design;<\/li>\n\n\n\n<li>a seat resonance frequency less than 1 Hz and a transmissibility factor no greater than 1.2 are provided;<\/li>\n\n\n\n<li>no hydraulic shock absorbers are needed;<\/li>\n\n\n\n<li>a driver seat with a pneumatic vibration protection module offers a significant decrease in the level of vibrations acting on the driver.<\/li>\n<\/ul>\n\n\n\n<p><strong><em>Operational testing<\/em><\/strong><\/p>\n\n\n\n<p>Prototype vibration protection modules operate in driver seats of vehicles of home manufacture: tractors and trolleybuses of Yuzhmash Production Association, Belarus tractors of Ukravtozapchast Stock Corporation, and Yarilo tractors of Ukragroselmash Close Corporation.<\/p>\n\n\n\n<p><strong><em>The key design solutions are protected by Ukrainian patents No 64036, No 74313, and No76685.<\/em><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/Dep17_01t.jpg\" alt=\"\" width=\"376\" height=\"296\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/Dep17_02t.jpg\" alt=\"\" width=\"375\" height=\"266\"\/><figcaption class=\"wp-element-caption\">Driver seat suspension with self-contained pneumatic vibration protection module (overall view)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/Dep17_04t.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Embodiments of driver seats with self-contained pneumatic vibration protection modules<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/Dep17_05t.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Driver seat of Belarus tractors with pneumatic vibration protection module<\/figcaption><\/figure>\n\n\n\n<p><strong><em>Possible users.<\/em><\/strong><\/p>\n\n\n\n<p>Automobile and tractor plants and vehicle-operating companies when upgrading series-produced tractors, buses, and agricultural machines with the aim to improve the driver\u2019s work environment.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/Dep17_03t-1024x588.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Vibration loads acting on the driver versus forcing frequency for seat vibration protection systems with conventional metal springing elements (1) and with proprietary pneumatic vibration protection modules (2)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Contact information:<\/strong><\/td><\/tr><tr><td><strong>Institute of Technical Mechanics of the NASU and SSAU<\/strong><\/td><\/tr><tr><td><strong>Ukraine 49005<\/strong><br><strong>Dnipro<\/strong><br><strong>15 Leshko-Popel St.<\/strong><\/td><\/tr><tr><td><strong>Contact person:<\/strong><\/td><td>O. D. Nikolayev<\/td><\/tr><tr><td><strong>Phone number:<\/strong><\/td><td>(056) 372 06 40<\/td><\/tr><tr><td><strong>E-mail:<\/strong><\/td><td><a href=\"mailto:office.itm@nas.gov.ua\">office.itm@nas.gov.ua<\/a><\/td><\/tr><tr><td><strong>Web:<\/strong><\/td><td><a href=\"http:\/\/www.itm.dp.ua\/\">http:\/\/www.itm.dp.ua<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Purpose Use in driver seat sus-pensions for a significant reduction of the vertical vibrational loads acting on the driver. Essence of the technology Based on theoretical and experimental studies, a&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2679","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages\/2679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2679"}],"version-history":[{"count":14,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages\/2679\/revisions"}],"predecessor-version":[{"id":5889,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages\/2679\/revisions\/5889"}],"wp:attachment":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}