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:
Sep. 26, 2017
Filed:
Feb. 14, 2014
Applicant:
The Boeing Company, Chicago, IL (US);
Inventor:
Robert E. Fisher, Everett, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 35/01 (2006.01); F01D 25/20 (2006.01); F01D 25/00 (2006.01); F01D 21/00 (2006.01); F04B 17/05 (2006.01); F04B 17/06 (2006.01); F02C 7/275 (2006.01); F02C 7/32 (2006.01); F02C 7/36 (2006.01);
U.S. Cl.
CPC ...
F04B 35/01 (2013.01); F01D 21/00 (2013.01); F01D 25/00 (2013.01); F01D 25/20 (2013.01); F04B 17/05 (2013.01); F04B 17/06 (2013.01); F02C 7/275 (2013.01); F02C 7/32 (2013.01); F02C 7/36 (2013.01);
Abstract
An apparatus, system, and method for reducing the warpage of a rotor of an aircraft engine. When the aircraft engine is placed in standby mode, a solenoid-operated bypass valve may receive a control signal to open. When open, the solenoid-operated bypass valve places an electric hydraulic pump in fluidic communication with an engine driven hydraulic pump. The engine driven hydraulic pump rotates because of the pressured provided by the electrical hydraulic pump. The mechanical linkage between the engine driven hydraulic pump and the rotor causes the rotor of the aircraft engine to rotate.