{"id":979,"date":"2009-04-01T09:45:32","date_gmt":"2009-04-01T09:45:32","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/04\/01\/la-transmission-hydraulique-permet-doptimiser-le-rendement-dun-moteur-thermique\/"},"modified":"2012-07-12T11:30:01","modified_gmt":"2012-07-12T11:30:01","slug":"la-transmission-hydraulique-permet-doptimiser-le-rendement-dun-moteur-thermique","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/04\/01\/la-transmission-hydraulique-permet-doptimiser-le-rendement-dun-moteur-thermique\/","title":{"rendered":"Un exemple de transmission hydraulique qui permet d&rsquo;optimiser le rendement d&rsquo;un moteur thermique"},"content":{"rendered":"<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; La Soci\u00e9t\u00e9 d&#039;Ing\u00e9nierie hollandaise INAAS vante les m\u00e9rites de son Common Pressure Rail ou CPR-System qui collecte et distribue toute l&#039;\u00e9nergie du v\u00e9hicule par pression hydraulique. Ce principe permet d&#039;entra\u00eener les quatre roues d&#039;un v\u00e9hicules, de r\u00e9cup\u00e9rer l&#039;\u00e9nergie au freinage par un syst\u00e8me de pression hydraulique centralis\u00e9 et des &quot;floating cup&quot; en charge de la transformation de l&#039;\u00e9nergie hydraulique en \u00e9nergie cin\u00e9tique et r\u00e9ciproquement. Il&#160;permet un&#160;fonctionnement du moteur thermique de fa\u00e7on \u00e9pisodique, pour assurer le bon niveau de pression entre 400 bars et 200 bars&#160; dans le CPR.<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e201156fae0178970b-pi.jpg\"><img decoding=\"async\" alt=\"Transmission-hydraulique\" class=\"at-xid-6a00d83451b18369e201156fae0178970b \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e201156fae0178970b-450wi.jpg\" style=\"width: 450px\" \/><\/a>&#160; <\/p>\n<p>La &quot;floating cup&quot; qui permet de transformer&#160;selon un processus de&#160;cin\u00e9matique continue l&#039;\u00e9nergie hydraulique en \u00e9nergie m\u00e9canique ou inversement semble \u00eatre un \u00e9l\u00e9ment de grande qualit\u00e9 pour assurer les performances de ce syst\u00e8me (FIG.II).<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e201156fae340f970b-pi.jpg\"><img decoding=\"async\" alt=\"Transmission-hydraulique-cin\u00e9matique\" class=\"at-xid-6a00d83451b18369e201156fae340f970b \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e201156fae340f970b-450wi.jpg\" style=\"width: 450px\" \/><\/a> <\/p>\n<p>De tels principes ont cependant un point faible: la compression d&#039;un gaz cr\u00e9e de la chaleur qui n&#039;a qu&#039;une envie c&#039;est de fuir le syst\u00e8me et de faire ainsi baisser la pression. C&#039;est toute la diff\u00e9rence entre compression adiabatique (sans perte de chaleur) et compression isotherme (sans \u00e9chauffement) qui fait perdre un tiers environ de l&#039;\u00e9nergie emmagasin\u00e9e (<a href=\"http:\/\/www.leblogenergie.com\/2008\/09\/bosch-joue-lhyb.html\" target=\"_blank\" title=\"hydraulique Bosch\">LIRE<\/a> l&#039;exemple de la benne \u00e0 ordures de Bosch qui illustre bien ce probl\u00e8me). Il est donc n\u00e9cessaire d&#039;optimiser l&#039;isolation thermique des r\u00e9serves de gaz comprim\u00e9.<\/p>\n<p>Dans les utilisations ou de nombreux arr\u00eats et red\u00e9marrages sont n\u00e9cessaires, \u00e0 l&#039;aide de v\u00e9hicules lourds (bennes \u00e0 ordure, bus de centre ville, etc.) ce genre d&#039;hybridation hydraulique peut apporter des gains significatifs d&#039;\u00e9nergie. Bosch revendique jusqu&#039;\u00e0 25% d&#039;\u00e9conomies sur ses&#160;bennes \u00e0 ordure.&#160;Dans le cas d&#039;un v\u00e9hicule de tourisme l&#039;\u00e9quation doit \u00eatre plus complexe et s\u00fbrement \u00e0 l&#039;avantage de l&#039;hybridation \u00e9lectrique.<\/p>\n<p><a href=\"http:\/\/www.innas.com\/Assets\/files\/Hydrid%20brochure.pdf\" target=\"_blank\" title=\"INAAS-hydraulique\">LIRE<\/a> la pr\u00e9sentation d&#039;INAAS qui ne voit que des qualit\u00e9s \u00e0 son syst\u00e8me.<\/p>\n<p>Le 1er Avril 2009.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; La Soci\u00e9t\u00e9 d&#039;Ing\u00e9nierie hollandaise INAAS vante les m\u00e9rites de son Common Pressure Rail ou CPR-System qui collecte et distribue toute l&#039;\u00e9nergie du v\u00e9hicule par pression hydraulique. Ce principe permet d&#039;entra\u00eener les quatre roues d&#039;un v\u00e9hicules, de r\u00e9cup\u00e9rer l&#039;\u00e9nergie au freinage par un syst\u00e8me de pression hydraulique centralis\u00e9 et des &quot;floating cup&quot; en charge de [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":19926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vehicules-ecologiques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un exemple de transmission hydraulique qui permet d&#039;optimiser le rendement d&#039;un moteur thermique - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/04\/01\/la-transmission-hydraulique-permet-doptimiser-le-rendement-dun-moteur-thermique\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Un exemple de transmission hydraulique qui permet d&#039;optimiser le rendement d&#039;un moteur thermique - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; La Soci\u00e9t\u00e9 d&#039;Ing\u00e9nierie hollandaise INAAS vante les m\u00e9rites de son Common Pressure Rail ou CPR-System qui collecte et distribue toute l&#039;\u00e9nergie du v\u00e9hicule par pression hydraulique. 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