Patents by Inventor Takeshi Inuzuka

Takeshi Inuzuka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7992661
    Abstract: A hybrid vehicle drive device includes a clutch that transmits and separates a driving force between an engine output shaft and a transmission input shaft; a first electric motor having a first rotor that is connected to an engine output shaft side of the clutch; a second electric motor having a second rotor that is connected to an transmission input shaft side of the clutch; and a radial vibration suppressing device, wherein (1) the first electric motor is connected to the engine output shaft via the radial vibration suppressing device, and (2) the radial vibration suppressing device suppresses a vibration of the engine output shaft in a radial direction.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: August 9, 2011
    Assignee: Aisin AW Co., Ltd.
    Inventors: Shinichi Nomura, Yasuo Yamaguchi, Mitsugi Yamashita, Takeshi Inuzuka
  • Patent number: 7679238
    Abstract: A driving apparatus includes a transmission mechanism portion; a motor housed in a motor housing located at an engine side of the transmission mechanism portion; and a clutch interposed between an engine output shaft and an input shaft of the transmission mechanism portion, wherein: a secondary side of the clutch, which is connected to the input shaft, is configured by a cover; a rotor of the motor is integrally connected to the cover, which is the secondary side of the clutch; a stator of the motor is fixed to the motor housing; a front hub positioned at the engine side of the cover is rotatably supported at a front wall member of the motor housing; and a rear hub positioned at the transmission mechanism portion side of the cover is rotatably supported at a rear wall member of the motor housing.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: March 16, 2010
    Assignee: Aisin AW Co., Ltd.
    Inventors: Shinichi Nomura, Yasuo Yamaguchi, Takeshi Inuzuka
  • Patent number: 7650973
    Abstract: A hydraulic power transmission device includes a toroid portion, a turbine hub, and a lock-up device. The toroid portion includes a pump impeller and a turbine runner. The turbine hub is engaged with an input shaft of a transmission and holds the turbine runner. The lock-up device is installed so that it engages and disengages freely and it mechanically transmits to the turbine hub rotation that is transmitted from a drive power source. The toroid portion and the lock-up device overlap in the axial direction. Because the toroid portion and the lock-up device overlap in the axial direction, the size of the hydraulic power transmission device in the axial direction can be reduced, and the hydraulic power transmission device can be made more compact.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: January 26, 2010
    Assignee: Aisin AW Co., Ltd.
    Inventors: Kazumasa Tsukamoto, Kazuhisa Ozaki, Takeshi Inuzuka, Mitsugu Yamashita, Atsuhiro Mase
  • Publication number: 20090118694
    Abstract: A fluid supplement bag package has a protective bag having a sealant layer that will not be fused to a fluid supplement bag. The fluid supplement bag can be easily taken out of the protective bag. The fluid supplement bag package includes a fluid supplement bag 2 formed by sealing a fluid supplement in a pouch, and a protective bag 3 sealing up the fluid supplement bag 2 therein. The pouch is formed from a polypropylene film, and the protective bag 3 has an outer layer 4 of a polyester resin, and a sealant layer 7 of a polypropylene resin containing an ultrahigh-molecular-weight polypropylene.
    Type: Application
    Filed: March 8, 2007
    Publication date: May 7, 2009
    Inventors: Takeshi Inuzuka, Takayuki Kotani
  • Patent number: 7276007
    Abstract: A hybrid drive unit includes a three-element planetary gear coupled to two motors, and a reduction planetary gear which is drivingly connected to the three-element planetary gear and switches modes by controlling a clutch and a brake. A three-element direct drive mode is able to be achieved by providing another clutch which couples together any two elements of the reduction planetary gear, and locking up the reduction planetary gear. As a result, motor output is reduced compared with a four-element direct drive mode of related art during high-speed running, and energy recovery efficiency during regeneration can also be improved.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: October 2, 2007
    Assignee: Aisin AW Co., Ltd.
    Inventors: Shigeki Takami, Kozo Yamaguchi, Takeshi Inuzuka, Tomohiko Ito
  • Patent number: 7255186
    Abstract: An output of an internal combustion engine is transmitted to an output shaft by controlling a control motor to change a rotation speed output from the engine without speed steps via power distribution planetary gear. An output of a drive motor is input to the output shaft by changing the speed into two-step decelerated rotation by means of an automatic transmission. The transmission produces a desired torque by decelerating the speed by a large degree when a vehicle speed is low, and produces a desired number of revolutions by decelerating the speed by a small degree when the vehicle speed is high.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: August 14, 2007
    Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Satoru Wakuta, Kenji Omote, Takeshi Inuzuka, Kazuhisa Ozaki, Kazumasa Tsukamoto, Kozo Yamaguchi, Masatoshi Adachi, Kazutoshi Motoike, Masahiro Kojima
  • Publication number: 20070108857
    Abstract: A driving apparatus includes a transmission mechanism portion; a motor housed in a motor housing located at an engine side of the transmission mechanism portion; and a clutch interposed between an engine output shaft and an input shaft of the transmission mechanism portion, wherein: a secondary side of the clutch, which is connected to the input shaft, is configured by a cover; a rotor of the motor is integrally connected to the cover, which is the secondary side of the clutch; a stator of the motor is fixed to the motor housing; a front hub positioned at the engine side of the cover is rotatably supported at a front wall member of the motor housing; and a rear hub positioned at the transmission mechanism portion side of the cover is rotatably supported at a rear wall member of the motor housing.
    Type: Application
    Filed: April 27, 2005
    Publication date: May 17, 2007
    Inventors: Shinichi Nomura, Yasuo Yamaguchi, Takeshi Inuzuka
  • Patent number: 7174978
    Abstract: A hybrid drive unit including a first motor, a first planetary gear and a second motor, wherein the first planetary gear distributes and transmits a drive force transmitted from an input shaft to the first motor and an output shaft, a power output from the output shaft and the second motor are synthesized and the first motor and the first planetary gear are housed in a transmission case with the second motor spaced from the transmission case.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: February 13, 2007
    Assignee: Aisin AW Co., Ltd.
    Inventors: Takao Taniguchi, Kazumasa Tsukamoto, Kozo Yamaguchi, Kazuhisa Ozaki, Takeshi Inuzuka, Satoru Wakuta
  • Publication number: 20070007095
    Abstract: A hydraulic power transmission device includes a toroid portion, a turbine hub, and a lock-up device. The toroid portion includes a pump impeller and a turbine runner. The turbine hub is engaged with an input shaft of a transmission and holds the turbine runner. The lock-up device is installed so that it engages and disengages freely and it mechanically transmits to the turbine hub rotation that is transmitted from a drive power source. The toroid portion and the lock-up device overlap in the axial direction. Because the toroid portion and the lock-up device overlap in the axial direction, the size of the hydraulic power transmission device in the axial direction can be reduced, and the hydraulic power transmission device can be made more compact.
    Type: Application
    Filed: June 23, 2006
    Publication date: January 11, 2007
    Applicant: Aisin AW Co., Ltd.
    Inventors: Kazumasa Tsukamoto, Kazuhisa Ozaki, Takeshi Inuzuka, Mitsugu Yamashita, Atsuhiro Mase
  • Publication number: 20070007059
    Abstract: A hybrid vehicle drive device includes a clutch that transmits and separates a driving force between an engine output shaft and a transmission input shaft; a first electric motor having a first rotor that is connected to an engine output shaft side of the clutch; a second electric motor having a second rotor that is connected to an transmission input shaft side of the clutch; and a radial vibration suppressing device, wherein (1) the first electric motor is connected to the engine output shaft via the radial vibration suppressing device, and (2) the radial vibration suppressing device suppresses a vibration of the engine output shaft in a radial direction.
    Type: Application
    Filed: July 5, 2006
    Publication date: January 11, 2007
    Applicant: AISIN AW CO., LTD.
    Inventors: Shinichi Nomura, Yasuo Yamaguchi, Mitsugi Yamashita, Takeshi Inuzuka
  • Patent number: 7146871
    Abstract: A range switching device is provided that is capable of selecting a running range accurately using a simple configuration and control. The range switching device includes a conversion mechanism which, in turn, includes a ball screw shaft, a ball nut, and other members. The ball nut is connected to a spool through an arm member, a range control shaft, and a detent lever. The spool is moved into a specified selection region among a plurality of selection regions by the conversion mechanism and the arm member. Then, the spool is more precisely moved to a selection position within the specified selection region by the detent mechanism and positioned and held thereat.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: December 12, 2006
    Assignee: Aisin A W Co., Ltd
    Inventors: Kazuhisa Ozaki, Takeshi Inuzuka, Chihiro Hosono, Kazuhisa Murase, Michimasa Tanaka
  • Patent number: 7089095
    Abstract: A control unit for a hybrid vehicle includes a take-off detection unit that detects a start of movement of the hybrid vehicle from a stopped state; and a torque control unit that limits a engine torque input to an automatic transmission from becoming excessive by generating negative torque using a regeneration operation of a motor on occasions when the start of running of the hybrid vehicle is detected by the take-off detection unit. Accordingly, it is possible to reliably inhibit problems, such as an occupant of the hybrid vehicle being caused to feel an unpleasant jolt due to torque transmitted to a driven wheel side increasing instantaneously as a result of change in an application state of a clutch during the start of movement.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: August 8, 2006
    Assignee: Aisin AW Co., Ltd
    Inventors: Shigeki Takami, Takeshi Inuzuka, Yasuhiko Kobayashi, Yoshitaka Murase, Yoichi Tajima, Takayuki Kubo, Takahiro Kido
  • Patent number: 7040483
    Abstract: A packaging material capable of having a desired sealing strength with ease and a packaging bag using such material are provided. A packaging material, which serves as either one of a first and a second packaging materials to be heat-sealed to each other, includes a sealing portion. This sealing portion is relatively weaker in sealing strength and composed of an applied area of a coating agent preventing the heat sealing and a non-applied area of the coating agent. The applied area and the non-applied area are changed in an area size from each other depending on the sealing strength required for the sealing portion.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: May 9, 2006
    Assignee: Hosokawa Yoko Co., Ltd.
    Inventors: Takeshi Inuzuka, Susumu Niwa, Takayuki Kotani
  • Patent number: 7017348
    Abstract: A control device for a hybrid vehicle, the hybrid vehicle including a motor, connected to an engine output shaft, to which an engine output is transmitted, and an automatic transmission, the automatic transmission including an input shaft, connected to the engine output shaft, and an output shaft, connected to a driving wheel, the control device including a request output detection unit that detects a driver's requested output; an engine control unit that controls the engine output; a motor control unit that controls motor output so that total output of the motor output and the engine output becomes the driver's requested output; and a limitation request output unit that, when the driver's request output is larger than input-available driving force to the input shaft of the automatic transmission, outputs a limitation request to limit the total output to limitation output, which is smaller than or equal to the input-available driving force, wherein the motor control unit, when the limitation request is output
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: March 28, 2006
    Assignee: Aisin AW Co., Ltd.
    Inventors: Yoichi Tajima, Yoshitaka Murase, Takayuki Kubo, Takeshi Inuzuka, Yasuhiko Kobayashi, Shigeki Takami, Takahiro Kido
  • Patent number: 7011603
    Abstract: A fluid pressure control device including a torque converter that is placed between a output shaft of an engine and an input shaft of a transmission, a mechanical oil pump that is driven by the output shaft, a clutch that directly engages the output shaft and the input shaft by employing an engagement pressure based on a fluid pressure that is generated by the mechanical oil pump, an electric oil pump that can supply a fluid pressure to the clutch, and a control unit for controlling the electric oil pump, wherein when the engagement pressure based on the fluid pressure that is generated by the mechanical oil pump is an amount below a necessary engagement pressure that is necessary to engage the clutch, the control unit drives the electric oil pump so as to supply a fluid pressure by at least the amount to the clutch.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: March 14, 2006
    Assignee: Aisin AW Co., Ltd.
    Inventors: Yasuhiko Kobayashi, Takeshi Inuzuka, Shigeki Takami, Yoshitaka Murase, Yoichi Tajima, Takayuki Kubo, Takahiro Kido
  • Publication number: 20050221939
    Abstract: A hybrid drive unit includes a three-element planetary gear coupled to two motors, and a reduction planetary gear which is drivingly connected to the three-element planetary gear and switches modes by controlling a clutch and a brake. A three-element direct drive mode is able to be achieved by providing another clutch which couples together any two elements of the reduction planetary gear, and locking up the reduction planetary gear. As a result, motor output is reduced compared with a four-element direct drive mode of related art during high-speed running, and energy recovery efficiency during regeneration can also be improved.
    Type: Application
    Filed: March 25, 2005
    Publication date: October 6, 2005
    Applicant: AISIN AW CO., LTD.
    Inventors: Shigeki Takami, Kozo Yamaguchi, Takeshi Inuzuka, Tomohiko Ito
  • Patent number: 6935450
    Abstract: A motor/generator is arranged radially outward of a middle portion of a front cover of a torque converter so that at least a part of the motor/generator axially overlaps the torque converter, with a predetermined gap (C) between the front cover and the rotor of the motor/generator. The rotor of the motor/generator is supported by either the torque converter or an engine crankshaft or by any two of the torque converter, a motor housing and the crankshaft. The rotor is not affected by the torque converter and the efficiency of the motor is not reduced.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: August 30, 2005
    Assignee: Aisin Aw Co., Ltd.
    Inventors: Shigeo Tsuzuki, Takeshi Inuzuka, Satoru Wakuta, Takahiro Kido, Takao Taniguchi, Kazumasa Tsukamoto, Kenji Omote
  • Publication number: 20040261559
    Abstract: A range switching device is provided that is capable of selecting a running range accurately using a simple configuration and control. The range switching device includes a conversion mechanism which, in turn, includes a ball screw shaft, a ball nut, and other members. The ball nut is connected to a spool through an arm member, a range control shaft, and a detent lever. The spool is moved into a specified selection region among a plurality of selection regions by the conversion mechanism and the arm member. Then, the spool is more precisely moved to a selection position within the specified selection region by the detent mechanism and positioned and held thereat.
    Type: Application
    Filed: April 16, 2004
    Publication date: December 30, 2004
    Inventors: Kazuhisa Ozaki, Takeshi Inuzuka, Chihiro Hosono, Kazuhisa Murase, Michimasa Tanaka
  • Publication number: 20040235614
    Abstract: A control device for a hybrid vehicle, the hybrid vehicle including a motor, connected to an engine output shaft, to which an engine output is transmitted, and an automatic transmission, the automatic transmission including an input shaft, connected to the engine output shaft, and an output shaft, connected to a driving wheel, the control device including a request output detection unit that detects a driver's requested output; an engine control unit that controls the engine output; a motor control unit that controls motor output so that total output of the motor output and the engine output becomes the driver's requested output; and a limitation request output unit that, when the driver's request output is larger than input-available driving force to the input shaft of the automatic transmission, outputs a limitation request to limit the total output to limitation output, which is smaller than or equal to the input-available driving force, wherein the motor control unit, when the limitation request is output
    Type: Application
    Filed: March 19, 2004
    Publication date: November 25, 2004
    Applicant: AISIN AW CO., LTD.
    Inventors: Yoichi Tajima, Yoshitaka Murase, Takayuki Kubo, Takeshi Inuzuka, Yasuhiko Kobayashi, Shigeki Takami, Takahiro Kido
  • Patent number: 6799109
    Abstract: A vehicle control apparatus including an engine, an automatic transmission, a hydraulic servo, a mechanical oil pump, an electric oil pump and a controller that controls driving of the electric oil pump and generates a standby pressure supplied to the hydraulic servo based upon a driving state of the mechanical oil pump, wherein the standby pressure is set less than a line pressure generated based upon driving the mechanical oil pump during idling and equal to or greater than an engagement starting pressure by which the friction engagement element starts transmitting a torque.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: September 28, 2004
    Assignee: Aisin AW Co., Ltd.
    Inventors: Yukinori Nakamori, Takehiko Suzuki, Satoru Wakuta, Takeshi Inuzuka