Aisin Aw Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Aishin Kako Kabushiki Kaisha

Aisin Aw Ltd., Co.

Satoru Kasuya

Masahiro Hayabuchi

Masaaki Nishida

Kazumasa Tsukamoto

Masashi Kito

Yuichi Seki

Hiroshi Kato

Hiroshi Katou

Nobukazu Ike

Nobutada Sugiura

Takao Taniguchi

Toshihiko Aoki

Masashi Kitou

Toru Souda

Masaru Morise

Shinji Oita

Akitoshi Kato

Ryuji Ibaraki

Yusuke Takahashi

Takashi Morimoto

Takayoshi Kato

Masahiro Otake

Ryosuke Kondo

Atsushi Tabata

Masahiro Kojima

Kazuyuki Noda

Takuya Ishii

Kenji Gotou

Norihiro Tokunaga

Kenta Tamabayashi

Tatsuya Iida

Akitoshi Katou

Shuzo Moroto

Minoru Todo

Tomochika Inagaki

Takayuki Hisano

Shoichi Miyagawa

Mitsutaka Okuno

Tooru Matsubara

Kazunori Ishikawa

Yasuo Hojo

Terufumi Miyazaki

Tetsuya Shimizu

Mikio Iwase

Masatoshi Adachi

Takuma Kakinami

Tomohide Suzuki

Seigo Kano

Masanori Kadotani

Osamu Murai

Hiroki Shintani

Taisuke Fukui

Naoji Katou

Yukio Hiramoto

Shigeru Sugisaka

Yuji Iwase

Yoshihisa Yamamoto

Kagenori Fukumura

Yoshio Hasegawa

Satoru Wakuta

Akitomo Suzuki

Takayuki Kawakami

Yoshiharu Harada

Hiroaki Sanji

Tsuyoshi Mikami

Masataka Sugiyama

Tetsuya Miura

Yutaka Teraoka

Makoto Iwanaka

Takuya Nakajima

Tsuyoshi Yamaguchi

Takashi Shimizu

Akihito Hongoya

Mitsugi Yamashita

Masahiro Yamaguchi

Kazuya Kawamura

Masato Fujikawa

Hideo Ono

Yumi Iraha

Masanori Murakami

Naoki Takabayashi

Yohei Tada

Hirotatsu Ihara

Masahiro Ida

Takahiro Torii

Taku Sakai

Yasuhiro Asai

Tomohisa Miyamoto

Muneyuki Tsumura

Atsuki Ikeda

Nobukazu IKe

Atushi Tabata

A vehicle drive device that includes an input member that is drivingly connected to a driving force source for wheels; a hydraulic transmission device that includes a transmission input member coaxially disposed with the input member and changes a speed of rotation of the transmission input member and transmits the rotation to a transmission output member; a differential gear device that has an axis different from an axis of the input member and distributes a drive force transmitted from the transmission output member to the wheels; a case that houses at least the transmission device and the differential gear device; an electric oil pump that is driven by a pump rotary electric machine; and a hydraulic control device that controls a hydraulic pressure of oil discharged from the electric oil pump and supplies the oil at least to the transmission device.

Vehicle drive device

A hybrid drive device includes: a first one-way clutch; a second one-way clutch; a first power transfer path through which power can be transferred from a rotor to wheels; and a second power transfer path which is composed of an engine rotation transfer member, the first one-way clutch, and a coupling member, through which power can be transferred from an internal combustion engine to an oil pump, and which intersects the first power transfer path at an intersection portion. An engagement element, the first one-way clutch, and the second one-way clutch are disposed on one side of the first power transfer path.

Hybrid drive device

An automatic transmissionincludes: a Simpson type complex planetary gear trainincluding single pinion type first and second planetary gearsandand single pinion type third and fourth planetary gearsand; first through fourth clutches Cto C; and first and second brakes Band B. A first carrierof the first planetary gearis coupled to an input shaft. A first ring gearof the first planetary gearis selectively connected to an output shaftby the first clutch C

Multiple speed transmission

A transmission device, wherein the compound planetary gear mechanism increases the speed of the power transmitted to the input element and transmits the resultant power to the first and the second output elements when the fixable element is non-rotatably held stationary by the first brake; and the first and the second clutches are disposed on a side closer in the axial direction to the compound planetary gear mechanism than the first and the second planetary gear mechanisms.

Transmission device

When a fourth sun gear is held stationary so as to be unrotatable, a Ravigneaux type planetary gear mechanism transfers power, which has been transferred from an input shaft to a third carrier, to a third sun gear and a third ring gear with the speed of the power increased such that the rotational speed of the third sun gear is higher than the rotational speed of the third ring gear. A clutch, which corresponds to the third sun gear which rotates at a higher speed than that of the third ring gear, is disposed between the Ravigneaux type planetary gear mechanism and a second planetary gear disposed in proximity to the Ravigneaux type planetary gear mechanism with respect to a first planetary gear.

Multi-speed transmission

A drive device includes: an oil pump; a first rotation transfer member drivably coupled to the oil pump and driven by at least one of an internal combustion engine and a rotary electric machine; and a second rotation transfer member drivably coupled to wheels and driven by the rotary electric machine. One of the first rotation transfer member and the second rotation transfer member is a pinion. The other rotation transfer member is a carrier that rotatably supports the pinion. The pinion and the carrier are rotated together with each other in the case where the oil pump is driven by the rotary electric machine.

Drive device that transfers rotation of at least one of a rotary electric machine and an internal combustion engine to an oil pump

A hybrid drive having a clutch and a rotary electric machine disposed radially outwardly of the clutch so as to at least partially overlap the clutch in an axial direction as seen from a radially outer side, the rotary electric machine having a stator fixed to a case and a rotor coupled to the input member of the automatic transmission device. A clutch lubricating oil hole formed in a center shaft that extends at a center portion of the clutch and the rotary electric machine. A rotary electric machine lubricating oil hole formed in the center shaft. Separation means for separating lubricating oil such that lubricating oil from the clutch lubricating oil hole is led to the clutch and lubricating oil from the rotary electric machine lubricating oil hole is led to the rotary electric machine.

A vehicular power transmission device that includes a parking gear that is drivingly coupled with wheels; a parking pawl that is capable of meshing or unmeshing with or from the parking gear; a hydraulic pressure actuator that unmeshes the parking pawl from the parking gear when a release hydraulic pressure is supplied; a first oil pump that generates a hydraulic pressure; a second oil pump that generates a hydraulic pressure, the second oil pump having a capacity smaller than the first oil pump; a hydraulic pressure control device that is capable of deriving the release hydraulic pressure from the hydraulic pressure generated by the second oil pump or the hydraulic pressure generated by the first oil pump and supplying the release hydraulic pressure to the hydraulic pressure actuator; and a control unit.

Vehicular power transmission device

A hybrid drive apparatus includes a rotary electric machine including a rotor capable of transmitting driving force to at least a speed change mechanism and a rotor hub that holds the rotor; a clutch; an oil hole that supplies oil from a radial inner side of the clutch toward the clutch; and a partition member disposed with a clearance provided in at least a portion in a circumferential direction between the rotor hub and the partition member on a radial inner side of the rotor hub.

Hybrid drive apparatus

A control device that controls a vehicle drive device in which a rotary electric machine is provided in a power transfer path that connects between an internal combustion engine and wheels. Engagement of a second engagement device is started when a change in shift range from a stop range to a running range is detected when output torque of the rotary electric machine is zero with the internal combustion engine rotating and with both the first engagement device and the second engagement device disengaged. Engagement of a first engagement device is started after engagement of the second engagement device is started, and the output torque of the rotary electric machine is increased from zero at the same time as engagement of the first engagement device is started or before engagement of the first engagement device is started.

Control device for vehicle drive device

A vehicle hydraulic pressure supply device that includes a mechanical oil pump driven by a drive force source for wheels; an oil passage constitution member in which an oil passage connected to the mechanical oil pump is formed; and a hydraulic control device that controls a hydraulic pressure supplied from the mechanical oil pump via the oil passage constitution member and that supplies the hydraulic pressure to a vehicle drive transmission device.

Vehicle hydraulic pressure supply device

A hybrid drive device having an engine coupling shaft member, a speed change mechanism, a rotating electrical machine, and an engine connecting clutch. A first lubricating oil passage scatters lubricating oil from radially inside to radially outside of first and second friction plates. A first one-way clutch is interposed between an engine coupling shaft member and a coupling member, and is configured to not be engaged when rotation of the engine coupling shaft member becomes lower than rotation of the coupling member. A second one-way clutch is configured not to be engaged when rotation of the rotating electrical machine becomes lower than rotation of the coupling member. An engine driven oil pump generates an oil pressure to be supplied by a driving force of the internal combustion engine or a driving force of the rotating electrical machine regardless of engagement or disengagement of the engine connecting clutch.

An automatic transmission that shifts power applied to an input member and outputs the shifted power to an output member, the automatic transmission including a first planetary gear mechanism, a third planetary gear mechanism, a compound planetary gear mechanism, a first clutch, a second clutch, a third clutch, a fourth clutch a first brake, and a second brake.

Automatic transmission

A control device that controls a vehicle drive device in which a first rotating electrical machine and a speed change mechanism are provided on a power transmission path connecting an internal combustion engine and wheels. The control device includes a first pump that is driven by the first rotating electrical machine and a second pump that is driven by a second rotating electrical machine provided independently of the power transmission path. The control device is configured with an auxiliary drive control section that, when a main power supply of a vehicle is turned on, executes auxiliary drive control of driving the first pump for a set drive time by the first rotating electrical machine before driving the second pump by the second rotating electrical machine, and starting the second pump after elapse of the set drive time.

Control device

An automatic transmission for adjusting the relative speed between an input and output member. The transmission being configured with four planetary gears, the first having first to third rotary elements, the second having fourth to sixth rotary elements, the third having seventh to ninth rotary elements, the fourth having tenth to twelfth rotary elements. Three couplings between (i) first and sixth rotary elements, (ii) second and fifth rotary elements, and (iii) eighth and twelfth rotary elements. Three clutches are provided between (i) the second coupling and input member, (ii) third coupling and input member, and (iii) seventh rotary element and input member. Three brakes are provided at (i) the fourth rotary element, (ii) third coupling element, and (iii) tenth rotary element. The output member is connected to the third rotary element.

Automatic transmission device

Growing community of inventors

Nishio, Japan

Satoru Kasuya