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:
Nov. 22, 1983
Filed:
Jan. 24, 1983
Applicant:
Inventors:
Ralph E McGinnis, Ridley Township, Delaware County, PA (US);
Lewis Gray, Nether Providence, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F01D / ;
U.S. Cl.
CPC ...
277 53 ; 277236 ; 277 961 ; 415112 ; 415174 ;
Abstract
A circular grooved honeycomb labyrinth seal having a plurality of arcuate base portions, a plurality of honeycomb-shaped cell portions extending radially inwardly from the base portion with a plurality of passages disposed adjacent the base portion, the passages being in fluid communication with each cell and with the upstream side and the downstream side of the honeycomb labyrinth seal.