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, 2001
Filed:
Nov. 29, 1999
Applicant:
Inventors:
Gerald R. Leverant, San Antonio, TX (US);
Stuart T. Schwab, Albuquerque, NM (US);
Partha P. Paul, San Antonio, TX (US);
Narayana S. Cheruvu, San Antonio, TX (US);
Assignee:
Electric Power Research Institute, Inc., Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C23C 4/06 ; C23C 4/10 ; B05D 1/02 ; B05D 3/02 ; B05D 7/14 ; B05D 7/24 ;
U.S. Cl.
CPC ...
C23C 4/06 ; C23C 4/10 ; B05D 1/02 ; B05D 3/02 ; B05D 7/14 ; B05D 7/24 ;
Abstract
A method of repairing a damaged area of a thermal barrier coating on a component which is subjected to a hostile thermal environment, which comprises cleaning the damaged area, applying a partially stabilized zirconium sol-gel to the area, and pyrolizing the sol-gel to form a TBC repair layer.