The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2006
Filed:
Aug. 25, 2004
Applicants:
Robert G. Thompson, San Diego, CA (US);
Bezhad Hagshenas, San Diego, CA (US);
Inventors:
Robert G. Thompson, San Diego, CA (US);
Bezhad Hagshenas, San Diego, CA (US);
Assignee:
Hamilton Sundstrand Corporation, Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 6/04 (2006.01);
U.S. Cl.
CPC ...
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.