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:
Jan. 29, 2002
Filed:
Mar. 10, 2000
Applicant:
Inventors:
Frederick J. Zegarski, Cincinnati, OH (US);
John S. Carpenter, Warren, OH (US);
Assignee:
General Electric Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 1/108 ;
U.S. Cl.
CPC ...
F01D 1/108 ;
Abstract
A low pressure turbine shroud includes a backplate and abradable material attached to said backplate. The backplate includes an upstream end, a downstream end, and a body extending between the upstream end and the downstream end. The body includes a first portion and a second portion. The body first portion has a first thickness greater than a body second portion second thickness. The abradable material attaches to an inner surface of the backplate and includes at least one segment having a thickness greater than remaining segments of abradable material.