Patents by Inventor Guy F. Hundy

Guy F. Hundy 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 screw machine with two intermeshing gate rotors and two independently controlled gate regulating valves
    Patent number: 4261691
    Abstract: This invention relates to a rotary fluid machine (e.g. a compressor) of the single screw type, the single screw cooperating with rotary toothed gate rotors to define fluid-filled chambers whose volumes vary as the screw rotates. The invention is concerned with the provision of two or more capacity-regulating valves provided for the chambers of such a machine, the operating members of such valves being arranged such that one member can be moved independently of the other or others.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: April 14, 1981
    Assignee: Hall-Thermotank Products Limited
    Inventors: Bernard Zimmern, Guy F. Hundy