Invention Grant
- Patent Title: Vehicle drive unit
- Patent Title (中): 车辆驱动单元
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Application No.: US12591747Application Date: 2009-11-30
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Publication No.: US08210978B2Publication Date: 2012-07-03
- Inventor: Haruki Shirasaka , Yuji Iwatsuru , Noriyuki Tani , Masayoshi Kato
- Applicant: Haruki Shirasaka , Yuji Iwatsuru , Noriyuki Tani , Masayoshi Kato
- Applicant Address: JP Anjo
- Assignee: Aisin AW Co., Ltd.
- Current Assignee: Aisin AW Co., Ltd.
- Current Assignee Address: JP Anjo
- Agency: Oliff & Berridge, PLC
- Priority: JP2008-329716 20081225
- Main IPC: F16H31/00
- IPC: F16H31/00

Abstract:
A vehicle drive unit includes a clutch pressure control valve that controls hydraulic pressure for operating the clutch; a clutch control valve that is provided in a first oil passage between the clutch pressure control valve and the clutch, and that controls hydraulic pressure in an engagement state between full engagement and disengagement of the clutch; a second oil passage that bypasses the clutch control valve and that is arranged parallel to the first oil passage; and a shift valve that connects, to an oil passage connected to the clutch, the first oil passage when controlling the engagement state between full engagement and disengagement of the clutch, and the second oil passage when not controlling the engagement state between full engagement and disengagement of the clutch.
Public/Granted literature
- US20100167874A1 Vehicle drive unit Public/Granted day:2010-07-01
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