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:
Aug. 06, 2019
Filed:
Oct. 05, 2016
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/34 (2006.01); F04D 29/32 (2006.01); F02K 3/06 (2006.01); F04D 19/00 (2006.01); F04D 29/54 (2006.01); F04D 29/64 (2006.01); F01D 11/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/329 (2013.01); F01D 5/34 (2013.01); F01D 11/008 (2013.01); F02K 3/06 (2013.01); F04D 19/002 (2013.01); F04D 29/324 (2013.01); F04D 29/542 (2013.01); F04D 29/646 (2013.01); F05D 2220/32 (2013.01); F05D 2220/36 (2013.01); F05D 2240/12 (2013.01); F05D 2240/80 (2013.01); F05D 2260/30 (2013.01); F05D 2260/36 (2013.01); Y02T 50/673 (2013.01);
Abstract
An integrally bladed fan (IBF) rotor of a gas turbine engine. The IBF rotor includes a hub and a plurality of fan blades extending radially outwardly from the hub and integral therewith. The hub has a fan attachment flange disposed at an end of the hub on a trailing edge side thereof for mounting a booster rotor to a trailing edge side of the fan. The fan attachment flange is disposed at a radial distance from a longitudinal center axis of the integrally bladed fan rotor. The hub has an outer hub surface disposed radially inward from the radial distance of the fan attachment flange.