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:
Jul. 12, 1983
Filed:
Oct. 23, 1980
Applicant:
Inventors:
Jacques P Tirole, Sevres, FR;
Claude M Mons, Savigny Le Temple, FR;
Roland R Spinat, Bretigny sur Orge, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ; F02F / ;
U.S. Cl.
CPC ...
277 53 ; 415174 ;
Abstract
Sealing ring for the wheel of a gas turbine comprising successively from the periphery toward the axis, an annular support surrounding the wheel, an annular cooling layer attached to the annular support and made of a material permeable by air, and an annular wear layer. The sealing ring further contains a separating layer inserted between the cooling layer and the wear layer.