Patents by Inventor Masaharu Nagano

Masaharu Nagano 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: 10512198
    Abstract: A power converter includes: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electrical power to be supplied to a load; a charger that converts alternating-current electrical power supplied via an external connector to direct-current electric power and charges the power storage apparatus therewith; a case that accommodates the power module and the charger; a cooling-medium flow channel that is provided in the case and through which cooling medium flows, wherein the power module and the charger are arranged on the cooling-medium flow channel.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 17, 2019
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro Okazaki, Gen Okuzuka, Yuuichirou Nomura, Masaharu Nagano
  • Patent number: 10381922
    Abstract: Provided is a power converter including: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electric power to be supplied to a load; a DC/DC converter that converts direct-current voltage from the power storage apparatus; a charger that controls charging of power storage apparatus with electrical power supplied via an external connector; a capacitor module that has a capacitor for smoothing voltage; and a case that accommodates the power module, the DC/DC converter, the charger, and the capacitor module. In the case, the power module, the charger, and the DC/DC converter are arranged around the capacitor module.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: August 13, 2019
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro Okazaki, Gen Okuzuka, Yuuichirou Nomura, Masaharu Nagano
  • Patent number: 10355586
    Abstract: A power converter includes: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electrical power to be supplied to a load; a charger that converts alternating-current electrical power supplied via an external connector to direct-current electric power and charges the power storage apparatus therewith; a capacitor module that is arranged between the power module and the charger and that has a capacitor that smoothes voltage; a DC/DC converter that converts direct-current voltage supplied from the power storage apparatus; and a signal line connected to the charger, wherein the power module and the capacitor module are connected by high-voltage wire on one surface side of the capacitor module, and the signal line is connected to the charger by extending via other surface of the capacitor module opposite from the one surface.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: July 16, 2019
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro Okazaki, Gen Okuzuka, Yuuichirou Nomura, Masaharu Nagano
  • Patent number: 10298145
    Abstract: A power converter 1 includes: a power module 20 that converts direct-current electric power to three-phase alternating-current electrical power and outputs the three-phase alternating-current electrical power from three-phase terminals; an output bus bar 24 that has motor terminals 26 and a plurality of power module terminals 25 that are connected to the power module 20; a bus bar holder 23 holding the output bus bar 24; and a case 2 that has a through hole 3 through which the output bus bar 24 penetrates and that accommodates the power module 20, the output bus bar 24, and the bus bar holder 23. The three-phase terminals are arranged side-by-side on the power module 20. The plurality of power module terminals 25 are respectively formed on the output bus bar 24 so as to correspond to the three-phase terminals, and the plurality of power module terminals 25 are positioned on the three-phase terminals when the output bus bar 24 and the power module 20 are accommodated in the case 2.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: May 21, 2019
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro Okazaki, Gen Okuzuka, Yuuichirou Nomura, Masaharu Nagano
  • Publication number: 20190115848
    Abstract: A power converter includes: a power module configured to convert direct-current electric power from a power storage apparatus and alternating-current electric power supplied to a load; a DC/DC converter; a charger; a capacitor module having a capacitor for smoothing voltage; and a case configured to accommodate the power module, the DC/DC converter, the charger, and the capacitor module, the case having a cooling surface; wherein, in the case, the power module, the charger, and the DC/DC converter are arranged around the capacitor module, and the DC/DC converter is arranged between the power module and the charger, and wherein the capacitor module is mounted on the cooling surface.
    Type: Application
    Filed: April 25, 2017
    Publication date: April 18, 2019
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro OKAZAKI, Gen OKUZUKA, Yuuichirou NOMURA, Masaharu NAGANO
  • Publication number: 20180301983
    Abstract: Provided is a power converter including: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electric power to be supplied to a load; a DC/DC converter that converts direct-current voltage from the power storage apparatus; a charger that controls charging of power storage apparatus with electrical power supplied via an external connector; a capacitor module that has a capacitor for smoothing voltage; and a case that accommodates the power module, the DC/DC converter, the charger, and the capacitor module. In the case, the power module, the charger, and the DC/DC converter are arranged around the capacitor module.
    Type: Application
    Filed: May 17, 2016
    Publication date: October 18, 2018
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro OKAZAKI, Gen OKUZUKA, Yuuichirou NOMURA, Masaharu NAGANO
  • Publication number: 20180301984
    Abstract: A power converter includes: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electrical power to be supplied to a load; a charger that converts alternating-current electrical power supplied via an external connector to direct-current electric power and charges the power storage apparatus therewith; a capacitor module that is arranged between the power module and the charger and that has a capacitor that smoothes voltage; a DC/DC converter that converts direct-current voltage supplied from the power storage apparatus; and a signal line connected to the charger, wherein the power module and the capacitor module are connected by high-voltage wire on one surface side of the capacitor module, and the signal line is connected to the charger by extending via other surface of the capacitor module opposite from the one surface.
    Type: Application
    Filed: May 17, 2016
    Publication date: October 18, 2018
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro OKAZAKI, Gen OKUZUKA, Yuuichirou NOMURA, Masaharu NAGANO
  • Publication number: 20180262122
    Abstract: A power converter 1 includes: a power module 20 that converts direct-current electric power to three-phase alternating-current electrical power and outputs the three-phase alternating-current electrical power from three-phase terminals; an output bus bar 24 that has motor terminals 26 and a plurality of power module terminals 25 that are connected to the power module 20; a bus bar holder 23 holding the output bus bar 24; and a case 2 that has a through hole 3 through which the output bus bar 24 penetrates and that accommodates the power module 20, the output bus bar 24, and the bus bar holder 23. The three-phase terminals are arranged side-by-side on the power module 20. The plurality of power module terminals 25 are respectively formed on the output bus bar 24 so as to correspond to the three-phase terminals, and the plurality of power module terminals 25 are positioned on the three-phase terminals when the output bus bar 24 and the power module 20 are accommodated in the case 2.
    Type: Application
    Filed: May 17, 2016
    Publication date: September 13, 2018
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro OKAZAKI, Gen OKUZUKA, Yuuichirou NOMURA, Masaharu NAGANO
  • Publication number: 20180168075
    Abstract: A power converter includes: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electrical power to be supplied to a load; a charger that converts alternating-current electrical power supplied via an external connector to direct-current electric power and charges the power storage apparatus therewith; a case that accommodates the power module and the charger; a cooling-medium flow channel that is provided in the case and through which cooling medium flows, wherein the power module and the charger are arranged on the cooling-medium flow channel.
    Type: Application
    Filed: May 17, 2016
    Publication date: June 14, 2018
    Applicant: Calsonic Kansei Corporation
    Inventors: Fumihiro OKAZAKI, Gen OKUZUKA, Yuuichirou NOMURA, Masaharu NAGANO
  • Publication number: 20180144865
    Abstract: Provided is a capacitor module for smoothing voltage including: a substantially rectangular capacitor case; a pair of bus bars forming a plurality of positive electrodes and negative electrodes provided so as to project out towards surrounding of the capacitor case; and a pair of high-voltage wires forming a positive electrode and a negative electrode having flexibility, the pair of high-voltage wires being configured to be drawn from the capacitor case, wherein the bus bars are connected to a power module and a DC/DC converter, the power module being configured to convert direct-current electric power from a driving power supply and alternating-current electric power to be supplied to a load, and the DC/DC converter being configured to convert voltage of the direct-current electric power, and the high-voltage wires are connected to a charger configured to convert external electrical power to direct-current electric power and charge the driving power supply therewith, the external electrical power being suppl
    Type: Application
    Filed: May 17, 2016
    Publication date: May 24, 2018
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Fumihiro OKAZAKI, Gen OKUZUKA, Yuuichirou NOMURA, Masaharu NAGANO
  • Patent number: 7694602
    Abstract: An automatic transmission apparatus (1) for a vehicle includes: a shift lever (11) for changing the range of an automatic transmission (50); a position gate (13) which restricts the position of the shift lever (11) and which releases the restriction to allow the position of the shift lever (11) to be changed when an operation button (14) provided on the shift lever (11) is pressed; a torque sensor (30) which detects an operation force of the shift lever (11); and a motor (M) for power-assisting the operation of the shift lever (11) based on a detected value of the torque sensor (30), wherein, when the shift lever (11) is operated and brought into contact with the position gate (13), and the detected value of the torque sensor (30) is reversed to any one of a positive value and a negative value, a driving force of the motor (M) is limited to prevent the shift lever (11) from being power-assisted in a reversed direction.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: April 13, 2010
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Masaharu Nagano, Yuzou Shimamura, Yukitsugu Hirota, Hitoshi Kidokoro
  • Publication number: 20090082932
    Abstract: A control unit 3 of a select assist device includes a start halt judging part 31 for judging a start halt by comparing a relative displacement amount and a start threshold value, a target relative displacement amount part 32 for setting a target relative displacement amount so that it is set to be a predetermined value when an assist actuator starts and then it is gradually decreased toward zero, and a drive command value computing part 33 for computing a drive command value so that approximate the relative displacement amount to the target relative displacement amount.
    Type: Application
    Filed: November 24, 2006
    Publication date: March 26, 2009
    Inventors: Shinya Kobayashi, Yukitsugu Hirota, Masaharu Nagano, Kensuke Osamura
  • Publication number: 20090030583
    Abstract: An operation range selection mechanism of an automatic transmission 100 according to the present invention includes an input operation force detector 21 that detects an operation force generated by an operation applied to a select lever 2, an assist actuator 9 that adds an assist force to the select lever 2 to carry out an operation assist for the select lever 2, and an assist force control device 22 that controls the assist actuator 9 to start the operation assist for the select lever 2 upon the value of the operation force detected by the input operation force detector 21 being equal to or more than a predetermined value. The assist force control device 22 stops the operation assist upon the operation force being less than the predetermined value or the select lever 2 having reached a predetermined position, and then temporarily sets the predetermined value to a higher value.
    Type: Application
    Filed: October 12, 2005
    Publication date: January 29, 2009
    Inventors: Yuzo Shimamura, Yukitsugu Hirota, Masaharu Nagano, Hitoshi Kidokoro
  • Patent number: 7426881
    Abstract: An operating position select device has a select lever unit, a mode shift unit to shift operation modes of the automatic transmission, a mechanically connecting means connecting them, and an assist actuator to assist a select lever. A control unit that controls the actuator is electrically connected to an operating position sensor detecting an operating position of the select lever and an operating force sensor detecting operating force acting on the lever. The control unit has an improper halt detecting part detecting the improper halt of the lever between the select positions and an improper halt preventing part preventing the lever from being kept halted improperly between the select positions to provide the lever with adjustment force so that the lever moves to one of the select positions when the improper halt of the select lever is detected during select operation.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: September 23, 2008
    Assignee: Calsonic Kansei Corporation
    Inventors: Tadao Kozu, Masaharu Nagano, Yukitsugu Hirota, Mitsuo Kikkawa, Yuichi Tanii, Hiroyuki Ikari, Takehiro Kuroda
  • Publication number: 20080016978
    Abstract: An automatic transmission apparatus (1) for a vehicle includes: a shift lever (11) for changing the range of an automatic transmission (50); a position gate (13) which restricts the position of the shift lever (11) and which releases the restriction to allow the position of the shift lever (11) to be changed when an operation button (14) provided on the shift lever (11) is pressed; a torque sensor (30) which detects an operation force of the shift lever (11); and a motor (M) for power-assisting the operation of the shift lever (11) based on a detected value of the torque sensor (30), wherein, when the shift lever (11) is operated and brought into contact with the position gate (13), and the detected value of the torque sensor (30) is reversed to any one of a positive value and a negative value, a driving force of the motor (M) is limited to prevent the shift lever (11) from being power-assisted in a reversed direction.
    Type: Application
    Filed: July 7, 2005
    Publication date: January 24, 2008
    Applicants: NISSAN MOTOR CO., LTD., CALSONIC KANSEI CORPORATION
    Inventors: Masaharu Nagano, Yuzou Shimamura, Yukitsugu Hirota, Hitoshi Kidokoro
  • Patent number: 7313980
    Abstract: An operating position select device has a select lever unit, a mode shift unit to shift operation modes of the automatic transmission, and an assist actuator controlled by a control unit. A first connecting member of the select lever and a second connecting member of the mode shift unit are relatively movable to a limit amount to each other and integrally movable beyond the limit amount with each other. The positions of the members are detected by an operating position sensor and an assist position sensor, respectively. The actuator is driven so that a difference between an operating position and an assist position may be reduced, but prohibited from driving when the difference is kept out of a permissible range for a predetermined period during rest of the actuator.
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: January 1, 2008
    Assignee: Calsonic Kansei Corporation
    Inventors: Takashi Otsuka, Yukitsugu Hirota, Kensuke Osamura, Masaharu Nagano, Shinya Kobayashi
  • Patent number: 7243567
    Abstract: An operating position select device has a select lever unit, a mode shift unit to shift operation modes of the automatic transmission, a mechanically connecting means connecting them, and an assist actuator to apply assist force to a select lever of the select lever unit. A control unit for controlling the actuator is electrically connected to an operating state sensor detecting an operating state of the select lever. The control unit executes assist control to control the assist actuator based on the operating state signal of the operating state sensor, and maintains the assist control for a predetermined period after the ignition switch is turned to OFF.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: July 17, 2007
    Assignee: Calsonic Kansei Corporation
    Inventors: Kensuke Osamura, Yukitsugu Hirota, Yuzo Shimamura, Masaharu Nagano
  • Publication number: 20070068304
    Abstract: An operating position select device has a first connecting member connected with a select lever, a mode shift unit for shifting operation modes of an automatic transmission, a second connecting member connected with the mode shift unit, the second connecting member having a relative movable mechanism for allowing a limited movement relative to the first connecting member and an assist actuator, a position sensing means sensing at least two of an operating position, an actuation position and their relative position, and a control unit for controlling the actuator based on the relative position. The control unit has an assist force suppressing means for suppressing the assist force when an assist control where the assist actuator is started based on a relative position variation due to a variation of the actuation position.
    Type: Application
    Filed: September 6, 2006
    Publication date: March 29, 2007
    Inventors: Masaharu Nagano, Kensuke Osamura, Shinya Kobayashi
  • Publication number: 20060081085
    Abstract: An operating position select device has a select lever unit, a mode shift unit to shift operation modes of the automatic transmission, and an assist actuator controlled by a control unit. A first connecting member of the select lever and a second connecting member of the mode shift unit are relatively movable to a limit amount to each other and integrally movable beyond the limit amount with each other. The positions of the members are detected by an operating position sensor and an assist position sensor, respectively. The actuator is driven so that a difference between an operating position and an assist position may be reduced, but prohibited from driving when the difference is kept out of a permissible range for a predetermined period during rest of the actuator.
    Type: Application
    Filed: October 13, 2005
    Publication date: April 20, 2006
    Inventors: Takashi Otsuka, Yukitsugu Hirota, Kensuke Osamura, Masaharu Nagano, Shinya Kobayashi
  • Publication number: 20060011003
    Abstract: An operating position select device has a select lever unit, a mode shift unit to shift operation modes of the automatic transmission, a mechanically connecting means connecting them, and an assist actuator controlled be a control unit to assist a select lever. The control unit includes an improper-halt judging part for judging an improper halt of the lever based on an operating position, a basic target reaction-force setting part for setting a basic target reaction-force based on the operating position, a target reaction-force compensating part for computing a reaction-force compensation-amount based on the improper-halt state and the operating position, a target reaction-force computing part for computing a target reaction-force based on the basic target reaction-force and reaction-force compensation-amount, and an assist force computing part for computing an assist force based on the target reaction-force and operating force.
    Type: Application
    Filed: July 6, 2005
    Publication date: January 19, 2006
    Inventors: Kensuke Osamura, Yukitsugu Hirota, Yuzo Shimamura, Masaharu Nagano