Invention Grant
- Patent Title: Latching clutch control system
- Patent Title (中): 闭锁离合器控制系统
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Application No.: US13857429Application Date: 2013-04-05
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Publication No.: US09574622B2Publication Date: 2017-02-21
- Inventor: Craig S. Ross , Paul G. Otanez
- Applicant: GM Global Technology Operations LLC
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations, LLC
- Current Assignee: GM Global Technology Operations, LLC
- Current Assignee Address: US MI Detroit
- Main IPC: F16D25/12
- IPC: F16D25/12 ; F16H3/62 ; F16D25/10 ; F16D48/02 ; F16K31/122 ; F16H61/02

Abstract:
A system is provided for latching and draining a torque transmitting device. The system may include a clutch feed channel having an inlet portion and a clutch portion. The inlet portion is configured to provide hydraulic fluid from a pressurized source to the clutch portion. The clutch portion is configured to provide hydraulic fluid to a torque transmitting device. An inlet valve connects the inlet portion of the clutch feed channel to the clutch portion of the clutch feed channel. The inlet valve is configured to open to allow the hydraulic fluid to flow from the inlet portion to the clutch portion when the torque transmitting device is engaged. The inlet valve is configured to close and to trap hydraulic fluid within the torque transmitting device when the torque transmitting device is not actively pressurized. A multispeed transmission is also provided.
Public/Granted literature
- US20130281253A1 LATCHING CLUTCH CONTROL SYSTEM Public/Granted day:2013-10-24
Information query
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