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Patent Searching and Data


Title:
DRIVE DEVICE FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/073821
Kind Code:
A1
Abstract:
This drive device (100) for a vehicle comprises: a rotary electric machine (2); a speed reduction device (3); a differential gear device (4); a case (1) housing the above; and an oil circulation mechanism (8). The rotary electric machine (2) includes: a cylindrical stator (24); and a rotor (21) arranged on a radially inner side (R2) relative to the stator (24). The speed reduction device (3) and the differential gear device (4) are arranged coaxially with the rotary electric machine (2). An oil (7) is stored inside the case (1). The oil circulation mechanism (8) circulates the oil (7) inside the case (1). In a steady circulation state in which the circulation state of the oil (7) is in a steady state, the oil surface (7A) of the oil (7) is located on a lower side (V2) than a lower end of the inner circumferential surface (24a) of the stator (24) and on an upper side (V1) than a lower end of the outer circumferential surface (24b) of the stator (24).

Inventors:
SUYAMA Daiki (10, Takane, Fujiicho, Anjo-sh, Aichi 92, 〒4441192, JP)
SANJI Hiroaki (10, Takane, Fujiicho, Anjo-sh, Aichi 92, 〒4441192, JP)
ICHIOKA Mitsuhiro (10, Takane, Fujiicho, Anjo-sh, Aichi 92, 〒4441192, JP)
KAWAGUCHI Yuki (10, Takane, Fujiicho, Anjo-sh, Aichi 92, 〒4441192, JP)
Application Number:
JP2018/036278
Publication Date:
April 18, 2019
Filing Date:
September 28, 2018
Export Citation:
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Assignee:
AISIN AW CO., LTD. (10 Takane, Fujiicho Anjo-sh, Aichi 92, 〒4441192, JP)
International Classes:
F16H57/04; B60K17/04; B60K17/16; B60L3/00; F16H1/28; F16H48/06; H02K9/19
Foreign References:
JP2008185078A2008-08-14
Attorney, Agent or Firm:
R&C IP LAW FIRM (3-3 Nakanoshima 3-chome, Kita-ku Osaka-sh, Osaka 05, 〒5300005, JP)
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