The invention provides a power coupling device used for a hybrid electric vehicle and the hybrid electric vehicle. The power coupling device used for the hybrid electric vehicle comprises a one-way clutch assembly, a brake unit, a lock-up clutch unit, a single-row planetary gear train and a shell. The single-row planetary gear train comprises a sun wheel, a planet wheel, a planet carrier and a gear ring. An engine rotation shaft of the hybrid electric vehicle is connected to the sun wheel. The one-way clutch assembly is connected to the sun wheel to prevent the sun wheel from rotating reversely. The brake unit is connected to the sun wheel in order to conduct brake control over the sun wheel. A motor of the hybrid electric vehicle is connected with the gear ring in a matched mode. The planet carrier is connected with a rotation shaft of a speed changer. The lock-up clutch unit is connected with the planet carrier and the gear ring. The power coupling device used for the hybrid electric vehicle controls a power transmission switch by innovatively arranging a clutch and a brake, innovates the arrangement structure of a piston of the clutch, greatly improves the utilization rate of energy, achieves multi-mode operation of the hybrid electric vehicle with a more compact structure, promotes the development of the hybrid electric vehicle, and has wide market prospects.
Power coupling device used for hybrid electric vehicle and hybrid electric vehicle
2015-07-22
Patent
Electronic Resource
English
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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