Patents Represented by Attorney Ogily Renault LLP

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  • Pressurized oil supply for propeller engine system
    Patent number: 7118336
    Abstract: A system and method for providing pressurised oil during non-feathered in-flight shutdown conditions in a variable-pitch aircraft propeller engine. A secondary pump provides pressurised oil substantially independent of an engine main oil circuit.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: October 10, 2006
    Assignee: Pratt & Whitney Canada Corp.
    Inventor: David Waddleton