Patents by Inventor Shane M. McKenna

Shane M. McKenna 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).

  • RECIPROCATING EXPANDER VALVE
    Publication number: 20180306329
    Abstract: A pressure balanced valve for an expander of a Rankine cycle heat recovery system includes a valve body that extends along a longitudinal axis. The valve body includes a valve head and an intermediate flange structure spaced apart from each other along the longitudinal axis. The valve body defines an internal flow channel having at least one output port and at least one inlet port. The at least one output port of the internal flow channel is defined by a cylinder chamber side of the valve head. The at least one inlet port of the internal flow channel is defined by a valve stem side of the intermediate flange structure. The internal flow channel is operable to communicate fluid pressure between the cylinder chamber side of the valve head and the valve stem side of the intermediate flange structure.
    Type: Application
    Filed: December 23, 2016
    Publication date: October 25, 2018
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Norman K. Bucknor, Stephen B. Glover, Roy Douglas, Shane M. McKenna, Geoffrey McCullough, Jonathan Patty