Toyota Jidosha Kabushiki Kaisha

Ryoki Ii

Akiko Nishimine

Akihiro Sato

Tetsuo Hori

Koji Hayashi

Takeshi Kanayama

Takeshi Miyagawa

Tomoyuki Maruyama

Norihiro Yamamura

Tomoaki Furukawa

Masataka Sugiyama

Takeshi Kuwahara

Kenji Asai

Kenji Tanabe

A parking lock mechanism comprises: a parking gear disposed on a power transmission member mechanically coupled to a drive wheel; and a parking pawl provided with a lock claw configured to mesh with the parking gear and switching between a lock state in which the lock claw is meshed with the parking gear and an unlock state in which meshing between the lock claw and the parking gear is released. In the mechanism, the lock claw includes a first end surface and a second end surface opposite to each other in a face width direction, the lock claw includes a tooth tip surface provided with a retreated portion at a corner on the second end surface side, and a position of a center of gravity of the parking pawl is on the second end surface side relative to a center plane in the face width direction of the lock claw.

Parking lock mechanism

A control device of a vehicle includes: an engine; a connection/disconnection device configured to connect/interrupt the engine; a rotating machine disposed to enable transmission of drive power to the wheels; and a running position selection device, the control device including a first manual mode selected by performing a deceleration increasing operation by a driver for increasing vehicle deceleration while the automatic running position is selected and a second manual mode selected by performing a deceleration increasing operation by a driver for increasing the vehicle deceleration while the manual running position is selected, while the vehicle is running with the engine interrupted from the wheels, if the first manual mode is selected, the vehicle deceleration being generated only by the rotating machine, and if the second manual mode is selected, the connection/disconnection device being put into the connected state to generate the vehicle deceleration at least by the engine.

Control device of vehicle

A vehicle hybrid drive device having an EV running mode enabling a vehicle to run only with a second rotating machine used as a drive power source while an engine is disconnected from a drive power transmission path, a series HEV running mode enabling the vehicle to run only with the second rotating machine used as the drive power source while a first rotating machine is rotationally driven to generate electricity by the engine disconnected from the drive power transmission path, and a parallel HEV running mode enabling the vehicle to run with the engine and at least one of the first and second rotating machines used as the drive power sources while the engine is connected to the drive power transmission path. If a driver desires power-performance-oriented running or fuel-efficiency-oriented running, the range for selecting the series HEV running mode is made narrower or wider, respectively, than usual.

Vehicle hybrid drive device

A hybrid drive system configured to selectively establish one of a first drive mode in which a first motor/generator MGis operated with a drive force of an engine, to generate an electric energy and in which a vehicle drive force is generated primarily by a second motor/generator MG, and a second drive mode in which the vehicle drive force is generated by the engine, and at least one of the first motor/generator MGand second motor/generator MGis operated to generate an assisting vehicle drive force, as needed, and further configured such that an amount of a working oil to be supplied to the first motor/generator MGis larger in the first drive mode than in the second drive mode, permitting sufficient cooling of the electric motor depending upon a selected one of the vehicle drive modes.

Vehicular hybrid drive system

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Toyota, Japan

Ryoki Ii