Patents by Inventor Peter David Grant

Peter David Grant 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).

  • A Piston Engine with a Transfer Valve Assembly
    Publication number: 20180003091
    Abstract: A piston expander and transfer valve for the controlled metering of a pressurised working fluid into an expansion chamber as part of an energy conversion device, and in particular as part of a heat to power conversion device employing a rankine thermodynamic cycle. The piston expander comprising a cylinder having an inlet manifold connected to an aperture in the cylinder's inlet aperture, a piston movable within the cylinder, and a transfer valve assembly movable under the action of changing gas pressure in the main chamber of the piston expander.
    Type: Application
    Filed: January 15, 2015
    Publication date: January 4, 2018
    Applicant: Libertine FPE Ltd.
    Inventors: Samuel Edward Cockerill, Peter David Grant, Edward Watson Haynes