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US 2009/0023529 A1Published application
Hybrid vehicle drive device
AssigneesAisin Aw Co., Ltd., Toyota Jidosha Kabushiki Kaisha
InventorsHiroaki Sanji, Natsuki Sada, Tomoo Atarashi, Michitaka Tsuchida, Hideaki Komada
Life of this patent
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Abstract
A hybrid vehicle drive device includes an input shaft to which power from an engine is input; an electric generator; an electric motor; a counter gear that transmits power to a drive shaft; a differential gear device that includes a first gear component connected to a rotation shaft of the electric generator, a second gear component connected to the input shaft, and a third gear component connected to the counter gear; and an oil pump that generates hydraulic pressure.
Claims20
A hybrid vehicle drive device comprising:
- an input shaft to which power from an engine is input;
- an electric generator;
- an electric motor;
- a counter gear that transmits power to a drive shaft;
- a differential gear device that includes a first gear component connected to a rotation shaft of the electric generator, a second gear component connected to the input shaft, and a third gear component connected to the counter gear;
- and
- an oil pump that generates hydraulic pressure;
- wherein
- the oil pump includes an oil pump gear mechanism that generates hydraulic pressure and an oil pump shaft connected to the oil pump gear mechanism;
- the oil pump shaft is drive-connected to the input shaft via a first one-way clutch and is drive-connected to the counter gear via a second one-way clutch;
- and
- the first and second one-way clutches are arranged on an inner circumference side of a bearing of the counter gear such that at least one of the first and second one-way clutches overlaps with the bearing of the counter gear in a shaft direction.
9 more elements
Dependencies are inferred from the claim text.