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:
Jun. 01, 2021
Filed:
Aug. 14, 2018
Applicant:
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Inventor:
Patrick Bailey, Lebanon, IN (US);
Assignee:
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/30 (2006.01); F01D 5/28 (2006.01); F01D 7/00 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F01D 5/3007 (2013.01); F01D 5/282 (2013.01); F01D 7/00 (2013.01); F04D 29/322 (2013.01); F05D 2240/20 (2013.01); F05D 2240/80 (2013.01); F05D 2260/941 (2013.01); F05D 2300/603 (2013.01);
Abstract
A variable pitch blade holder for use with a gas turbine engine. The variable pitch blade holder is configured to retain a blade and to rotate about a center axis with the blade during operation of the gas turbine engine. The blade holder is adapted to rotate about a pitch change axis to vary a pitch of the blade.