Patents by Inventor Arthur W. Lucas, Jr.

Arthur W. Lucas, Jr. 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).

  • Patent number: 4747750
    Abstract: An inner wall for a transition duct between the high pressure and low pressure turbines of a multirotor gas turbine engine in which the wall structure itself is made up of multiple aligned segments which are bolted to the inner shrouds of the vane clusters of the low pressure turbine and in which the segments are secured to forward and rearward cone elements with one of said elements bolted securely to the segments and the other cone having free axial and radial movement with respect to the segments with the cone elements supporting at their inner edges a seal element to cooperate with a rotating element on a low pressure rotor.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: May 31, 1988
    Assignee: United Technologies Corporation
    Inventors: Wieslaw A. Chlus, Stephen E. Potz, Arthur W. Lucas, Jr.
  • Patent number: 4722184
    Abstract: A stator assembly 28 for a gas turbine engine 10 is disclosed. The stator assembly includes an inner stator structure 54 and an outer stator structure 52. A plurality of tensioned members 50 extend radially between the structures to stiffen the structures against deflection and to restrain the structures against relative movement. In one embodiment, the inner stator structure is an engine casing 54, the outer stator structure 42 is a fan casing, and the radially extending members are a plurality of guide vanes 50.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: February 2, 1988
    Assignee: United Technologies Corporation
    Inventors: Gary F. Chaplin, Arthur W. Lucas, Jr.