Patents by Inventor H. William Weaver

H. William Weaver 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).

  • Scroll-type two stage positive fluid displacement apparatus
    Patent number: 4157234
    Abstract: The invention comprises a positive fluid displacement apparatus of the scroll type described as a fluid compressor in the exemplary embodiment. The embodiment has single fixed and movable scroll elements in which the latter orbits the former to form variable volume pockets which move from an inlet to an outlet and means are provided for discharging fluid from at least one of the pockets prior to its movement to the outlet port, cooling the vented fluid and returning it to the apparatus for final compression and discharge. Accordingly, by this arrangement, two stages of compression with intercooling are provided in a single apparatus having only a single fixed scroll element and a single movable scroll element.
    Type: Grant
    Filed: September 21, 1978
    Date of Patent: June 5, 1979
    Assignee: Ingersoll-Rand Company
    Inventors: H. William Weaver, Robert W. Shaffer
  • Scroll-type two stage positive fluid-displacement apparatus with intercooler
    Patent number: 4141677
    Abstract: The invention comprises a positive fluid displacement apparatus of the scroll type described as a fluid compressor in the exemplary embodiment. The embodiment has single fixed and movable scroll elements in which the latter orbits the former to form variable volume pockets which move from an inlet to an outlet and means are provided for discharging fluid from at least one of the pockets prior to its movement to the outlet port, cooling the vented fluid and returning it to the apparatus for final compression and discharge. Accordingly, by this arrangement, two stages of compression with intercooling are provided in a single apparatus having only a single fixed scroll element and a single movable scroll element.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: February 27, 1979
    Assignee: Ingersoll-Rand Company
    Inventors: H. William Weaver, Robert W. Shaffer