Patents by Inventor Ross W. J. Bailey

Ross W. J. Bailey 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).

  • Method and apparatus for detecting transfer leaks in fuel cells and fuel cell stacks
    Patent number: 6638650
    Abstract: A method of detecting transfer leaks within a solid polymer electrolyte fuel cell stack comprising a plurality of fuel cell assemblies includes supplying reactants and inert gas to the fuel, oxidant and/or coolant manifolds of the stack, as appropriate, and measuring the voltage across at least one of the fuel cell assemblies. An apparatus for detecting transfer leaks within solid polymer electrolyte fuel cell stacks comprises a device for measuring the voltage across at least one of the fuel cell assemblies. Transfer leaks across the polymer electrolyte membrane, and across reactant-coolant bipolar plates, may be detected according to the present method and apparatus.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: October 28, 2003
    Assignee: Ballard Power Systems Inc.
    Inventors: Ross W. J. Bailey, David P. Wilkinson, Stephen A. Campbell