发明名称 |
HYBRID POWERTRAIN WITH EFFICIENT ELECTRIC-ONLY MODE |
摘要 |
<p>A hybrid powertrain includes a hybrid electro-mechanical transmission and a power source. A planetary gear set having a first, a second, and a third member connects the power source with a first and a second motor/generator. A battery is operatively connected to the motor/generators for receiving power therefrom and delivering power thereto. An input member rotates with the first member, the first motor/generator rotates with the second member, and the second motor/generator rotates with the output member. A first torque-transmitting mechanism is engagable to connect the second motor/generator for rotation with the third member. The battery and the second motor/generator provide an electric-only operating mode to power the output member when the first torque-transmitting mechanism is not engaged; the power source, planetary gear set and first motor/generator thereby being disconnected from the output member during the electric-only operating mode to prevent parasitic drag.</p> |
申请公布号 |
WO2009017978(A1) |
申请公布日期 |
2009.02.05 |
申请号 |
WO2008US70396 |
申请日期 |
2008.07.18 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
BUCKNOR, NORMAN, K.;HOMES, ALAN, G. |
分类号 |
F16H3/44;B60K6/50;F16H3/72 |
主分类号 |
F16H3/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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