Patents by Inventor John H. Faught

John H. Faught 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).

  • Method and apparatus for recovering and purging refrigerant
    Patent number: 5582019
    Abstract: Apparatus for recovering refrigerant from a refrigeration system having a high pressure liquid side and a low pressure vapor side comprises a storage receptacle for receiving recovered refrigerant, a liquid flow circuit for recovering liquid from the high pressure side of the system, a vapor flow circuit for recovering vapor from the low pressure side of the system, and a vapor feedback flow circuit from the receptacle to the inlet side of a vapor reducing section of the vapor flow circuit. The apparatus is operable in a liquid recovery mode and in a vapor recovery mode, and an arrangement for automatically purging non-compressible gases from liquid refrigerant is provided in the vapor flow circuit on the downstream side of the vapor reducing section thereof.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: December 10, 1996
    Assignee: Emerson Electric Company
    Inventors: William T. Hanna, Joseph G. Murray, Rodney L. Osborne, John H. Faught