Patents by Inventor William J. Puskac

William J. Puskac 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).

  • Cylinder block positive hold-down for cold start-up
    Patent number: 5247794
    Abstract: An integrated drive generator for an aircraft and a method of making and operating the same result in improved operation of the integrated drive generator, especially during cold start-up. This is accomplished through the use of at least one stop to prevent each of the cylinder blocks in the hydraulic pump and motor assembly of the integrated drive generator from moving away from the port plate more than a predetermined amount which will ensure establishment of hydraulic continuity between the pump and motor without substantial delay during cold start-up of the integrated drive generator.
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: September 28, 1993
    Assignee: Sundstrand Corporation
    Inventors: Victor N. Benson, Wayne A. Flygare, William J. Puskac