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, 2015
Filed:
Oct. 25, 2010
Applicants:
Christopher W. Strock, Kennebunk, ME (US);
Paul H. Zajchowski, Enfield, CT (US);
Inventors:
Christopher W. Strock, Kennebunk, ME (US);
Paul H. Zajchowski, Enfield, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/20 (2006.01); F01D 11/08 (2006.01); F04D 29/08 (2006.01); F01D 11/12 (2006.01); F01D 5/06 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F01D 11/122 (2013.01); F01D 5/06 (2013.01); F01D 5/288 (2013.01); F05C 2203/0839 (2013.01); F05D 2230/90 (2013.01); F05D 2240/20 (2013.01); F05D 2240/60 (2013.01); F05D 2300/611 (2013.01); Y02T 50/67 (2013.01); Y02T 50/672 (2013.01); Y02T 50/673 (2013.01);
Abstract
An abrasive coating on a rotor shaft interacts with cantilevered vanes to form an abradable air seal in a turbine engine. The abrasive coating includes a metal bond coat, and an abrasive layer containing a plurality of abrasive CBN grit particles in a ceramic matrix.