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:
Jul. 19, 2005
Filed:
Oct. 23, 2002
Applicants:
Eugene Gekht, Brossard, CA;
Franco Di Paola, Montreal, CA;
Inventors:
Eugene Gekht, Brossard, CA;
Franco Di Paola, Montreal, CA;
Assignee:
Pratt & Whitney Canada Ccorp., Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D011/08 ;
U.S. Cl.
CPC ...
Abstract
A static shroud for ducting an axial gas flow past an array of blades rotating about an axis, made of a sheet of metal bent to form a contiguous shroud body having a substantially uniform sheet thickness and a uniform axial profile, initiating with an upstream flange flowing into a tip clearance portion and terminating in a downstream flange.