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:
May. 22, 2012
Filed:
Apr. 22, 2009
Applicant:
Kin-leung Cheung, Toronto, CA;
Inventor:
Kin-Leung Cheung, Toronto, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01); F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vane assembly for a gas turbine engine where each vane is connected to at least one adjacent portion of at least one of the inner and the outer shrouds through a melt-weld connection. The melt-weld connection includes non-metallic heat-meltable material with a metal wire mesh layer trapped therein, the metal wire mesh being heatable to melt the heat-meltable material for formation and breakdown of the melt-weld connection.