Patents by Inventor David Waage

David Waage 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 sliding vane compressor with a secondary compressed fluid inlet
    Patent number: 8123506
    Abstract: The invention relates to increasing the fluid capacity and the fluid discharge pressure of a rotary sliding vane fluid compressor without significantly increasing the fluid discharge temperature. According to the invention supplemental air under pressure is added to a compressor's rotating pocket to increase the fluid capacity and fluid pressure in the pocket.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: February 28, 2012
    Assignee: FLSmidth A/S
    Inventors: Louis S. Schwartz, David Waage
  • Rotary sliding vane compressor and blade therefor
    Publication number: 20100150766
    Abstract: Disclosed is a blade for a rotary blade compressor. The blade has at least two section pieces, with any two adjacent section pieces being radially aligned with each other at a junction, wherein further there is a force applying means at said junction forcing the adjacent blade section pieces apart from each other in an axial direction. The edges of said blade will thereby be positioned to form a seal against the head plates of the compressor.
    Type: Application
    Filed: December 16, 2008
    Publication date: June 17, 2010
    Inventors: Louis S. Schwartz, David Waage
  • Rotary sliding vane compressor
    Publication number: 20090297340
    Abstract: The invention relates to increasing the fluid capacity and the fluid discharge pressure of a rotary sliding vane fluid compressor without significantly increasing the fluid discharge temperature. According to the invention supplemental air under pressure is added to a compressor's rotating pocket to increase the fluid capacity and fluid pressure in the pocket.
    Type: Application
    Filed: May 29, 2008
    Publication date: December 3, 2009
    Inventors: Louis S. Schwartz, David Waage