Patents by Inventor Brian R. Haller

Brian R. Haller 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).

  • Turbine blade assembly
    Patent number: 5575620
    Abstract: A fixed blade assembly for an axial flow turbine, in which each blade (23) is secured between a radially inner ring (21) and a radially outer ring (22). The trailing edge (25) of each blade is straight and leans at an angle .theta. away from a radial line (28) from the turbine axis through the inner end of that edge and in the circumferential direction that the suction side (24) of the blade faces. The blades (23) have this (negative) angle of lean in the range 5 degrees to 12 degrees.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: November 19, 1996
    Assignee: GEC Alsthom Limited
    Inventors: Brian R. Haller, Robert G. Unsworth, Geoffrey L. M. Parker