Invention Grant
US08409041B2 Pump cover inlet porting and seal for hybrid transmission 有权
泵盖入口和密封用于混合传动

Pump cover inlet porting and seal for hybrid transmission
Abstract:
A hybrid transmission is provided, including a transmission housing with an input cover attached to a main housing portion, and a hydraulic fluid reservoir in fluid communication with and attached to the transmission housing. The transmission also includes an input shaft in driving communication with an engine. A pump cover is attached to the input housing to define a pump pocket therebetween. A torque transmitting assembly is secured to the pump cover. The torque transmitting assembly includes a piston housing member that is coaxial with and longitudinally spaced from the pump cover to define an inlet passage therebetween. The inlet passage is configured to communicate the hydraulic fluid reservoir with the transmission housing, and is oriented at least partially radially adjacent to the pump pocket. A gasket member is disposed between the pump cover and piston housing member, and configured for fluidly sealing the same.
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