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Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/183789
Kind Code:
A1
Abstract:
A power transmission device (1) has: a motor (2); a normally closed low-speed brake (46) that is connected downstream of the motor (2); a counter gear (5) that is connected downstream of the low-speed brake (46); and a park-locking mechanism (7) for locking a motor shaft (20) that is a rotational element upstream of the low-speed brake (46). Providing the park-locking mechanism (7) to the motor shaft (20) that is positioned on the upstream side of the counter gear (5) makes it possible to reduce the torque input to the park-locking mechanism (7) when a vehicle having the power transmission device (1) mounted therein is stopped or parked.

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Inventors:
OOKI SHINJIRO (JP)
Application Number:
PCT/JP2019/044225
Publication Date:
September 17, 2020
Filing Date:
November 12, 2019
Export Citation:
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Assignee:
JATCO LTD (JP)
International Classes:
F16H63/34; B60L15/00; B60T1/06; B60T7/12; F16D11/06; F16D23/12; F16H3/48; F16H61/26; H02K7/116
Foreign References:
JP2003130209A2003-05-08
JP2018131009A2018-08-23
JP2009161108A2009-07-23
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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