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:
May. 08, 2018
Filed:
Feb. 05, 2014
Applicant:
United Technologies Corporation, Hartford, CT (US);
Inventors:
Francis Parnin, Suffield, CT (US);
Denman H. James, Windsor, CT (US);
Larry W. Spires, Unionville, CT (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/06 (2006.01); F01D 25/20 (2006.01);
U.S. Cl.
CPC ...
F02C 7/06 (2013.01); F01D 25/20 (2013.01); Y02T 50/671 (2013.01);
Abstract
A disclosed lubrication pump includes a main pump stage, an auxiliary pump stage, and scavenger pump stages. The lubrication pump therefore may be driven by a common shaft of the accessory gearbox.