Patents by Inventor Hiroshi Inatsu

Hiroshi Inatsu 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).

  • Refrigerant cycle control system
    Patent number: 5385035
    Abstract: A solenoid valve 70 is disposed in a pipe line between an expansion valve 60 and an evaporator 80 for rear seats side. When the cooling operation is switched to the operation of utilizing only evaporator 50 for front seats side from the operation of utilizing evaporators 50 and 80 for front seats side and rear seats side, the solenoid valve 70 is closed by closing the operation switches Sc and Sf. The solenoid valve 70 can restrain an occurrence of water hammer phenomenon by stopping a refrigerant flow in air-liquid phase at the downstream of an expansion valve.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: January 31, 1995
    Assignee: Nippondenso Co., Ltd.
    Inventors: Shin Nishida, Hiroshi Inatsu