发明授权
- 专利标题: In-wheel motor drive assembly
- 专利标题(中): 轮内电机驱动装置
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申请号: US13498167申请日: 2010-09-13
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公开(公告)号: US09077222B2公开(公告)日: 2015-07-07
- 发明人: Tomoaki Makino , Ken Yamamoto
- 申请人: Tomoaki Makino , Ken Yamamoto
- 申请人地址: JP Osaka
- 专利权人: NTN CORPORATION
- 当前专利权人: NTN CORPORATION
- 当前专利权人地址: JP Osaka
- 代理机构: Clark & Brody
- 优先权: JP2009-235111 20091009
- 国际申请: PCT/JP2010/065742 WO 20100913
- 国际公布: WO2011/043161 WO 20110414
- 主分类号: H02K1/32
- IPC分类号: H02K1/32 ; H02K9/19 ; B60K7/00 ; F16H1/32 ; H02K7/14 ; B60K17/04 ; B60K1/00 ; H02K5/20
摘要:
This air-cooled type in-wheel motor drive assembly 21 includes a lubrication oil circuit for lubricating a speed reduction unit B by allowing lubrication oil discharged from a lubrication oil pump 51 to flow through interconnected oil passages 54, 55, 56 provided to a casing 22, motor-rotary-shaft oil passage 57, speed-reduction-unit input-shaft oil passage 58 and interior of the speed reduction unit B, and for cooling a motor unit A and the speed reduction unit B with the lubrication oil cooled with the aid of outer fins 22f while flowing through the oil passages 54, 55, 56 provided to the casing.
公开/授权文献
- US20120181848A1 IN-WHEEL MOTOR DRIVE ASSEMBLY 公开/授权日:2012-07-19