Patents by Inventor Nariaki Tazawa

Nariaki Tazawa 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).

  • Working fluid medium temperature control system and method
    Patent number: 8565991
    Abstract: A working fluid medium temperature control system comprises an actuator operable on a working fluid medium, a pump for the working fluid medium, a fluid passage structure for the working fluid medium, an electric motor drivingly connected to the pump, and a control unit for the electric motor, the control unit including an inverter and an inverter controller. The inverter and the electric motor are integrated in such a way that the inverter is in heat transfer communication with the electric motor. The fluid passage structure is in heat transfer communication with the inverter.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: October 22, 2013
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takayuki Bitou, Koh Uchida, Katsuhiro Suda, Taisuke Ueda, Toru Inoue, Yoshikazu Takahashi, Hideyuki Kita, Yohei Koike, Nariaki Tazawa
  • WORKING FLUID MEDIUM TEMPERATURE CONTROL SYSTEM AND METHOD
    Publication number: 20110190986
    Abstract: A working fluid medium temperature control system comprises an actuator operable on a working fluid medium, a pump for the working fluid medium, a fluid passage structure for the working fluid medium, an electric motor drivingly connected to the pump, and a control unit for the electric motor, the control unit including an inverter and an inverter controller. The inverter and the electric motor are integrated in such a way that the inverter is in heat transfer communication with the electric motor. The fluid passage structure is in heat transfer communication with the inverter.
    Type: Application
    Filed: January 31, 2011
    Publication date: August 4, 2011
    Inventors: Takayuki Bitou, Koh Uchida, Katsuhiro Suda, Taisuke Ueda, Toru Inoue, Yoshikazu Takahashi, Hideyuki Kita, Yohei Koike, Nariaki Tazawa