Patents by Inventor Ernest E. Studwell

Ernest E. Studwell 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).

  • Liquid ring pump lobe purge
    Patent number: RE29747
    Abstract: Purging passages are machined or cast into the casing of a liquid ring compressor through which soluble or nonsoluble contaminants which may be present in the liquid ring may be removed from the compressor. These passages in single lobe pumps are located in the outer peripheral zones of the casing approximately 240.degree. from the pump land in the direction of rotation of the rotor in the area of the drive and idle ends of the rotor.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: August 29, 1978
    Assignee: Nash Engineering Company
    Inventors: Kenneth W. Roe, Ernest E. Studwell, Robert E. Cooke