Patents by Inventor Donald E. Paulus

Donald E. Paulus 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).

  • Cooling scheme for scramjet variable geometry hardware
    Patent number: 7117680
    Abstract: A cooling system for use in an engine having an element to be cooled includes at least one cooling channel on a first side of the element, at least one cooling channel on a second side of the element, and the at least one cooling channel on the first side communicating with the at least one channel on the second side in a nose region of the element so as to form a cooling circuit. The cooling system has particular utility in cooling interior and exterior surfaces of a movable cowl inlet flap used in a scramjet engine.
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: October 10, 2006
    Assignee: United Technologies Corporation
    Inventors: William J. Cuva, Donald E. Paulus
  • Rocket preburner injector with tailored gas temperature profile
    Patent number: 5566544
    Abstract: A method and apparatus for increasing the operating life of a turbopump turbine by reducing the temperature of the combustion products impinging the turbine blades adjacent the roots thereof while increasing the temperature of the combustion products impinging the other portions of the turbine blades to maintain the overall temperature of the combustion products.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: October 22, 1996
    Assignee: United Technologies Corporation
    Inventors: Donald E. Paulus, George B. Cox, Jr.