Invention Grant
- Patent Title: Hybrid powertrain having a multi-speed transmission
- Patent Title (中): 具有多速变速器的混合动力总成
-
Application No.: US12425633Application Date: 2009-04-17
-
Publication No.: US08206252B2Publication Date: 2012-06-26
- Inventor: Donald L. Dusenberry , James B. Borgerson , James M. Hart , Scott H. Wittkopp , Andrew W. Phillips , Clinton E. Carey
- Applicant: Donald L. Dusenberry , James B. Borgerson , James M. Hart , Scott H. Wittkopp , Andrew W. Phillips , Clinton E. Carey
- 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: F16H3/72
- IPC: F16H3/72 ; F16H3/44

Abstract:
A hybrid powertrain includes an internal combustion engine, at least one electric machine and a multi-speed transmission. The electric machine is connected to a shaft between the internal combustion engine and the multi-speed transmission. The transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing.
Public/Granted literature
- US20090280941A1 HYBRID POWERTRAIN HAVING A MULTI-SPEED TRANSMISSION Public/Granted day:2009-11-12
Information query