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:
Mar. 31, 2020
Filed:
Sep. 09, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Li Xing Pan, Middletown, CT (US);
Yuan Dong, Glastonbury, CT (US);
Simon W. Evans, Farmington, CT (US);
Robert W. Fessenden, Manchester, CT (US);
Sue-Li Kingsley Chuang, Glastonbury, CT (US);
Sean Nolan, Wethersfield, CT (US);
Assignee:
UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/32 (2006.01); F02K 3/06 (2006.01); F04D 19/02 (2006.01); F04D 29/54 (2006.01); F01D 5/14 (2006.01); F04D 29/38 (2006.01);
U.S. Cl.
CPC ...
F04D 29/324 (2013.01); F01D 5/141 (2013.01); F02K 3/06 (2013.01); F04D 19/02 (2013.01); F04D 29/386 (2013.01); F04D 29/542 (2013.01); F05D 2220/32 (2013.01); F05D 2220/3216 (2013.01); F05D 2240/12 (2013.01); F05D 2240/30 (2013.01); F05D 2240/301 (2013.01); F05D 2240/303 (2013.01); F05D 2240/304 (2013.01); F05D 2250/38 (2013.01);
Abstract
Rotor of a gas turbine engines having a rotor hub and a plurality of blades extending from the rotor hub, wherein each blade has a full-span forward sweep along a leading edge of the blade that starts at an airfoil root of the blade at the hub and extends to a blade tip, wherein a sweep of a blade is a percentage of a root axial chord length of the respective blade.