Patents by Inventor Mark Heltzapple

Mark Heltzapple 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).

  • Gerotor apparatus for a quasi-isothermal Brayton cycle engine
    Publication number: 20060239849
    Abstract: According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and a synchronizing apparatus operable to control the rotation of the inner gerotor relative to the outer gerotor. The inner gerotor includes one or more entrance passages operable to communicate a lubricant into the outer gerotor chamber.
    Type: Application
    Filed: March 6, 2006
    Publication date: October 26, 2006
    Inventors: Mark Heltzapple, George Rabroker, Thomas Beck, Mark Ehsani, Matthew Whiteacre, Michael Ross, Gary Noyes