Patents by Inventor Bezhad Hagshenas

Bezhad Hagshenas 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).

  • Thermal management for aircraft auxiliary power unit compartment
    Patent number: 7337605
    Abstract: An improved passive cooling system for an aircraft APU compartment that includes a lightweight annular air-cooled oil cooler that is strategically oriented and shrouded to face its annular inlet away axially downstream from the exhaust of the APU to make it inherently fireproof to flames from the APU or any location within the APU compartment that fuel can accumulate.
    Type: Grant
    Filed: October 11, 2004
    Date of Patent: March 4, 2008
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Bezhad Hagshenas
  • Auxiliary power unit with an oil-free compressor
    Patent number: 7093447
    Abstract: An auxiliary power unit for aircraft with a load compressor that delivers cabin air free of oil contamination by supporting a drive shaft for the load compressor with oil-free bearings and coupling the load compressor to a gearbox and power head for the auxiliary power unit through a synchronous magnetic torque coupling on an opposite side of the gearbox to which the power is mounted.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: August 22, 2006
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Robert G. Thompson, Bezhad Hagshenas
  • AUXILIARY POWER UNIT WITH AN OIL-FREE COMPRESSOR
    Publication number: 20060042270
    Abstract: An auxiliary power unit for aircraft with a load compressor that delivers cabin air free of oil contamination by supporting a drive shaft for the load compressor with oil-free bearings and coupling the load compressor to a gearbox and power head for the auxiliary power unit through a synchronous magnetic torque coupling on an opposite side of the gearbox to which the power is mounted.
    Type: Application
    Filed: August 25, 2004
    Publication date: March 2, 2006
    Inventors: Robert Thompson, Bezhad Hagshenas
  • Thermal management for aircraft auxiliary power unit compartment
    Publication number: 20050268593
    Abstract: An improved passive cooling system for an aircraft APU compartment that includes a lightweight annular air-cooled oil cooler that is strategically oriented and shrouded to face its inlet away from the APU to make it inherently fireproof to flames from the APU or any location within the APU compartment that fuel can accumulate.
    Type: Application
    Filed: October 11, 2004
    Publication date: December 8, 2005
    Inventor: Bezhad Hagshenas