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.:

US 7448843 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 11, 2008

Filed:

Jul. 05, 2006
Applicant:

Joseph G. Pilecki, Jr., N. Berwick, ME (US);

Inventor:

Joseph G. Pilecki, Jr., N. Berwick, ME (US);

Assignee:

United Technologies Corporation, Hartford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A gas turbine engine is provided with a seal disk that rotates in a closely spaced relationship to a stationary vane. The stationary vane is provided with an abradable tip. The seal disk is provided with alternating portions of a relatively insulating material and a relatively abrasive material. The insulating material can assist the seal disk in resisting thermal expansion. The abrasive material abrades the abradable tip of the stationary vane, ensuring a close, rotating fit.


Find Patent Forward Citations

Pilecki, Jr., Joseph. (2008). Rotor for jet turbine engine having both insulation and abrasive material coatings (U.S. Patent No. 7448843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7448843

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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