Patents by Inventor Gregory Major

Gregory Major 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).

  • Vehicular air conditioner
    Patent number: 6233957
    Abstract: A vehicular air conditioner which is not influenced by fluctuations in engine RPM and which provides air conditioning with low energy consumption includes a variable demand capacity compressor where the suction pressure is self-controlled and can be set using an external signal. The vehicular air conditioner includes a demand capacity change compressor which self-controls at a target suction pressure set using an external signal and based on a discharge temperature set according to an air conditioning load. The external signal sets the target suction pressure to thereby affect a refrigerating cycle operation.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: May 22, 2001
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Toyotaka Hirao, Makoto Fujitani, Gregory A. Major, Xin Zeng