Patents by Inventor Alan F. E. Perry

Alan F. E. Perry 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).

  • Variable air intake
    Patent number: 5116001
    Abstract: A variable air intake includes a movable ramp (2) driven by a carriage (6) that moves linearly on a drive screw (7). To protect the drive screw (7) from hot gases a thermal blind (13) is provided that moves with the carriage (6). The blind (13) is guided and supported by guide means (15, 18, 19) formed integrally with a structural unit (17) housing the drive screw (7), and is tensioned by tensioning means (16, 19).
    Type: Grant
    Filed: July 6, 1990
    Date of Patent: May 26, 1992
    Assignee: British Aerospace Public Limited Company
    Inventor: Alan F. E. Perry