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. 20, 1987
Filed:
Jul. 30, 1985
Applicant:
Inventors:
Frank A Pisz, Titusville, FL (US);
William S Agliano, West Chester, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F10D / ;
U.S. Cl.
CPC ...
415136 ; 415139 ; 415174 ;
Abstract
A stationary blade assembly with a segmented inner shroud to permit radial expansion and contraction of the blades and circumferential expansion and contraction of the shroud segments and a seal plate which fits into a circumferential groove in the shroud segments and is held therein by pinned keys which slide in kerfs in the outer edge of the seal plate and a labyrinth seal strip disposed in a circumferential groove in the inner edge of the seal plate to provide a small clearance seal not affected by thermal gradients.