Patents by Inventor Donald Yannnascoli

Donald Yannnascoli 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).

  • Rotary compressor with liquid injection
    Patent number: 5511389
    Abstract: In a high side rotary compressor, liquid refrigerant is supplied to is to the compression chamber via a capillary tube and liquid injection port. The lubricant is delivered only after the suction port has closed and before chamber pressure exceeds the liquid injection supply pressure.
    Type: Grant
    Filed: February 16, 1994
    Date of Patent: April 30, 1996
    Assignee: Carrier Corporation
    Inventors: James W. Bush, Alexander D. Leyderman, Donald Yannnascoli