Patents by Inventor Robert K. Youtie

Robert K. Youtie 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 of manufacture of scroll compressors and expanders
    Patent number: 4773144
    Abstract: The disclosure concerns a method of manufacturing scroll expander and a scroll compressor including winding together strips of different width so that the wider strip forms a scroll or spiral and the narrower strip partially occupies the inter-convolution spaces of the wider strip.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: September 27, 1988
    Inventor: Robert K. Youtie
  • Scroll type fluid displacement apparatus
    Patent number: 4677949
    Abstract: A scroll type fluid displacement apparatus wherein a pair of cooperating fluid compression scrolls discharge compressed air to a pair of cooperating fluid expansion scrolls which contain combustion of expanding fluid to drive the apparatus, the scrolls having their axes extending longitudinally of each other, and a carrier between the scroll pairs and carrying the adjacent scroll of each pair for movement relative to its mating scroll, the scrolls of one pair extending outwardly in one angular direction and the scrolls of the other pair extending outwardly in the other angular direction when viewed in the same direction.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: July 7, 1987
    Inventor: Robert K. Youtie