Patents by Inventor Linda S. Boyd

Linda S. Boyd 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).

  • PRESSURE VALVE CONTROLLER INCLUDING A DIAPHRAGM RETENTION DEVICE
    Publication number: 20130087732
    Abstract: A pressure regulating valve controller includes a housing. A piston having a surface portion is arranged in the housing. A spring seat is arranged in the housing adjacent the piston. The spring seat includes a surface section. A diaphragm is arranged in the housing between the surface portion of the piston and the surface section of the spring seat. The diaphragm includes an opening. A diaphragm retention device is arranged in the opening of the diaphragm. The diaphragm retention device is configured and disposed to contact each of the surface portion of the piston and the surface section of the spring seat to reduce forces on the diaphragm.
    Type: Application
    Filed: October 7, 2011
    Publication date: April 11, 2013
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Jason Labrie, Marc E. Gage, Adam Faass, Linda S. Boyd
  • Aircraft engine propulsor blade deicing
    Patent number: 5131812
    Abstract: A blade heater (10) for an aircraft engine propulsor blade (14) has a foil pattern (18) which is comprised of a plurality of elements (25-56). The resistance of the elements (25-56) varies according to the distance between the elements (25-56) and the leading edge (12) of the blade (14).
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: July 21, 1992
    Assignee: United Technologies Corporation
    Inventors: Linda S. Boyd, James M. Dolan, James A. Cook