Patents by Inventor Luke P. Zimmer

Luke P. Zimmer 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).

  • Grid valve apparatus
    Patent number: 9739395
    Abstract: A grid valve may include an annular stationary plate having a first annular surface, and an annular rotatable plate disposed on the annular stationary plate and rotatable relative to the annular stationary plate. The annular rotatable plate may have a second annular surface, and each of the annular stationary plate and the annular rotatable plate may define a plurality of holes in the respective annular surfaces thereof. The grid valve may further include a first magnet disposed on the first annular surface and a second magnet disposed on the second annular surface such that the first magnet repels the second magnet.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: August 22, 2017
    Assignee: Dresser-Rand Company
    Inventors: Luke P. Zimmer, Alan LePain, Fred Woehr
  • Grid valve assembly
    Patent number: 9334759
    Abstract: A grid valve assembly for a steam turbine is provided. The grid valve assembly may include an annular stationary member disposed between an upstream stage and a downstream stage of the steam turbine. The annular stationary member may define a plurality of stationary member openings extending radially therethrough from an outer circumferential surface to an inner circumferential surface thereof. The grid valve assembly may also include an annular rotatable member rotatably disposed about the outer circumferential surface of the annular stationary member. The annular rotatable member may define a plurality of rotatable member openings extending radially therethrough.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: May 10, 2016
    Assignee: Dresser-Road Company
    Inventors: Kevin John Lewis Roy, Patrick Michael Wing, Jeffrey Robert Simkins, Luke P. Zimmer, Frederick A. Woehr
  • GRID VALVE ASSEMBLY
    Publication number: 20150226089
    Abstract: A grid valve assembly for a steam turbine is provided. The grid valve assembly may include an annular stationary member disposed between an upstream stage and a downstream stage of the steam turbine. The annular stationary member may define a plurality of stationary member openings extending radially therethrough from an outer circumferential surface to an inner circumferential surface thereof. The grid valve assembly may also include an annular rotatable member rotatably disposed about the outer circumferential surface of the annular stationary member. The annular rotatable member may define a plurality of rotatable member openings extending radially therethrough.
    Type: Application
    Filed: December 9, 2014
    Publication date: August 13, 2015
    Applicant: DRESSER-RAND COMPANY
    Inventors: Kevin John Lewis Roy, Patrick Michael Wing, Jeffrey Robert Simkins, Luke P. Zimmer, Frederick A. Woehr
  • GRID VALVE APPARATUS
    Publication number: 20150204455
    Abstract: A grid valve may include an annular stationary plate having a first annular surface, and an annular rotatable plate disposed on the annular stationary plate and rotatable relative to the annular stationary plate. The annular rotatable plate may have a second annular surface, and each of the annular stationary plate and the annular rotatable plate may define a plurality of holes in the respective annular surfaces thereof. The grid valve may further include a first magnet disposed on the first annular surface and a second magnet disposed on the second annular surface such that the first magnet repels the second magnet.
    Type: Application
    Filed: December 4, 2014
    Publication date: July 23, 2015
    Applicant: DRESSER-RAND COMPANY
    Inventors: Luke P. Zimmer, Alan LePain, Fred Woehr