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:
Apr. 21, 1992
Filed:
Oct. 11, 1990
Applicant:
Inventors:
Edward Atkinson, Morrow, OH (US);
Brent L Bristol, Milford, OH (US);
Assignee:
General Electric Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277-1 ; 277 53 ; 4151745 ;
Abstract
A multiple stage brush seal having a controlled distribution of pressure drops across each stage of the seal is provided. The pressure drop across each stage is controlled by one or a combination of the following structural arrangements: increased clearance gaps, reduced bristle packing, and venting holes in the seal stage backing plate.