Patent ID: 11897328
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. An electric drive apparatus for a vehicle, the electric drive apparatus comprising:
(a) a left-side drive unit configured to drive a left wheel of the vehicle, and including (a-1) a left-side electric motor and (a-2) a left-side transmission mechanism including left-side rotary shafts and disposed in a left-side power transmission path between the left-side electric motor and the left wheel;
(b) a right-side drive unit configured to drive a right wheel of the vehicle, and including (b-1) a right-side electric motor and (b-2) a right-side transmission mechanism including right-side rotary shafts and disposed in a right-side power transmission path between the right-side electric motor and the right wheel; and
(c) a single hydraulic pump configured to output a hydraulic pressure,
wherein one of the left-side rotary shafts and one of the right-side rotary shafts constitute a pair of pump-drive rotary shafts that are to be rotated at respective speeds equal to each other during straight running of the vehicle, and
wherein the single hydraulic pump is connected to the pair of pump-drive rotary shafts through respective one-way clutches, and is to be driven by one of the pump-drive rotary shafts that is rotated at a speed higher than the other of the pump-drive rotary shafts, so as to output the hydraulic pressure.