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:
Oct. 27, 2009
Filed:
Mar. 03, 2006
Applicants:
Bhawan B. Patel, Mississauga, CA;
Jason Fish, Brampton, CA;
Dany Gaudet, Longueull, CA;
Lafleche Gagnon, Ste-Julie, CA;
Inventors:
Bhawan B. Patel, Mississauga, CA;
Jason Fish, Brampton, CA;
Dany Gaudet, Longueull, CA;
Lafleche Gagnon, Ste-Julie, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 51/16 (2006.01); F02C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing an internal manifold of a gas turbine engine including machining an annular channel in a ring by a turning process, and varying a position of a tool bit relative to the surface of the ring as a function of a relative circumferential location of the tool bit around the ring such that the channel has a cross-sectional area that varies around a circumference of the ring.