{"id":21,"date":"2012-04-14T10:27:35","date_gmt":"2012-04-14T10:27:35","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2012\/04\/14\/lindustrie-japonaise-poursuit-ses-efforts-pour-developper-des-moteurs-electriques-sans-terres-rares\/"},"modified":"2012-07-12T12:40:27","modified_gmt":"2012-07-12T12:40:27","slug":"lindustrie-japonaise-poursuit-ses-efforts-pour-developper-des-moteurs-electriques-sans-terres-rares","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2012\/04\/14\/lindustrie-japonaise-poursuit-ses-efforts-pour-developper-des-moteurs-electriques-sans-terres-rares\/","title":{"rendered":"L&rsquo;industrie japonaise poursuit ses efforts pour d\u00e9velopper des moteurs \u00e9lectriques sans terres rares"},"content":{"rendered":"<p><a class=\"asset-img-link\" href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2016765175891970b-pi.jpg\"><img decoding=\"async\" alt=\"Hitachi-fer-lamin\u00e9\" class=\"asset  asset-image at-xid-6a00d83451b18369e2016765175891970b\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2016765175891970b-250wi.jpg\" style=\"width: 230px;margin: 0px 5px 5px 0px\" \/><\/a>&#160; Les technologies modernes ont abandonn\u00e9 la vapeur pour faire appel \u00e0 l&#039;\u00e9lectricit\u00e9 et aux moteurs \u00e9lectriques qui assurent la transformation de cette \u00e9nergie \u00e9lectrique en \u00e9nergie m\u00e9canique avec d&#039;excellents rendements. Les v\u00e9hicules hybrides, les \u00e9oliennes qui assurent la fonction inverse de g\u00e9n\u00e9ration, demain les v\u00e9hicules \u00e9lectriques sont de tr\u00e8s gros consommateurs de moteurs ou de g\u00e9n\u00e9rateurs qui aujourd&#039;hui mettent en \u0153uvre des aimants permanents \u00e0 base de terres rares. Or, comme nous le savons tous sur ce Blog, l&#039;industrie mondiale a abandonn\u00e9 \u00e0 la Chine cette industrie &quot;sale&quot; de production de ces m\u00e9taux qui ne sont pas rares mais dont les minerais sont m\u00e9lang\u00e9s \u00e0 des uranides (uranium et thorium)&#8230; on peut mesurer ainsi les limites de la d\u00e9marche \u00e9cologique et de ses in\u00e9vitables contradictions. Il n&#039;y a parfois qu&#039;un pas &#8230; mais plusieurs milliers de kilom\u00e8tres, entre l&#039;\u00e9colo \u00e9olienne et la crado industrie des lanthanides.<\/p>\n<p>&#160; Le Japon et ses industriels ont d\u00e9cid\u00e9 de s&#039;affranchir de cette contrainte d&#039;approvisionnement contingent\u00e9 et on\u00e9reux de terres rares pour ces applications. C&#039;est ainsi par exemple que Hitachi annonce avoir mis au point un moteur de 11 kW pr\u00e9sentant un rendement de 93% dans lequel les alliages \u00e0 base de terres rares ne sont plus utilis\u00e9s. Le syst\u00e8me comprenant un stator en sandwich entre deux rotors \u00e0 base de ferrites, fait appel pour le c\u0153ur des \u00e9lectroaimants du stator \u00e0 du fer lamin\u00e9.<\/p>\n<p>Les compagnons artisans des m\u00e9tiers du feu peuvent admirer le travail (FIG.).<\/p>\n<p>Hitachi annonce qu&#039;il proposera ce moteur d\u00e8s 2014 ou d\u00e9but 2015.<\/p>\n<p>On attend la future \u00e9olienne &quot;direct drive lanthanide-free&quot;&#8230;sera-t-elle japonaise?&#8230; &quot;may be&quot; est la r\u00e9ponse attendue.<\/p>\n<p>LIRE<a href=\"http:\/\/techon.nikkeibp.co.jp\/english\/NEWS_EN\/20120413\/212693\/\" target=\"_blank\"> le papier du Nikkei sur le sujet<\/a> et suivre le lien qui pr\u00e9cise l&#039;historique de la d\u00e9marche.<\/p>\n<p>Le 14 Avril 2012<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160; Les technologies modernes ont abandonn\u00e9 la vapeur pour faire appel \u00e0 l&#039;\u00e9lectricit\u00e9 et aux moteurs \u00e9lectriques qui assurent la transformation de cette \u00e9nergie \u00e9lectrique en \u00e9nergie m\u00e9canique avec d&#039;excellents rendements. Les v\u00e9hicules hybrides, les \u00e9oliennes qui assurent la fonction inverse de g\u00e9n\u00e9ration, demain les v\u00e9hicules \u00e9lectriques sont de tr\u00e8s gros consommateurs de moteurs ou [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":23221,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,9,7],"tags":[],"class_list":["post-21","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eolien","category-vehicules-ecologiques","category-vehicules-electriques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L&#039;industrie japonaise poursuit ses efforts pour d\u00e9velopper des moteurs \u00e9lectriques sans terres rares - 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\/2012\/04\/14\/lindustrie-japonaise-poursuit-ses-efforts-pour-developper-des-moteurs-electriques-sans-terres-rares\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"L&#039;industrie japonaise poursuit ses efforts pour d\u00e9velopper des moteurs \u00e9lectriques sans terres rares - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160; Les technologies modernes ont abandonn\u00e9 la vapeur pour faire appel \u00e0 l&#039;\u00e9lectricit\u00e9 et aux moteurs \u00e9lectriques qui assurent la transformation de cette \u00e9nergie \u00e9lectrique en \u00e9nergie m\u00e9canique avec d&#039;excellents rendements. 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