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.

Date of Patent:
Apr. 07, 2015

Filed:

Feb. 20, 2013
Applicant:

Hamilton Sundstrand Corporation, Windsor Locks, CT (US);

Inventors:

Eric A. Brust, Machesney, IL (US);

Eric A. Nager, El Cajon, CA (US);

Ted A. Martin, Byron, IL (US);

Jake A. Rohrig, Rockford, IL (US);

Brady A. Manogue, Beliot, WI (US);

Assignee:

Hamilton Sunstrand Corporation, Windsor Locks, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 21/04 (2006.01); H02P 9/04 (2006.01); B64D 41/00 (2006.01);
U.S. Cl.
CPC ...
B64D 41/00 (2013.01);
Abstract

A generator includes a main cavity and a shaft located in the main cavity. The shaft is configured to be connected to an auxiliary power unit (APU) and rotated by the APU. The generator is configured to generate power based on the rotation of the shaft. A fluid system is configured to receive a fluid from the APU, flow the fluid through the main cavity and return the fluid to the APU through a fluid scavenge channel. A filter is configured to filter the fluid from the main cavity to the fluid scavenge channel and a sensor is configured to detect a characteristic of the fluid at the filter.


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