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. 09, 2002
Filed:
Dec. 27, 1999
Norman Arnold Turnquist, Carlisle, NY (US);
Osman Saim Dinc, Troy, NY (US);
George Ernest Reluzco, Schenectady, NY (US);
Robert Harold Cromer, Johnstown, NY (US);
Martin Francis O'Connor, Niskayuna, NY (US);
David Robert Skinner, Pattersonville, NY (US);
Christopher Edward Wolfe, Niskayuna, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
A seal arrangement for a rotary machine, such as a turbine, includes a main seal segment such as a labyrinth seal segment, a brush seal segment disposed in a slot in the main seal segment and having a layer of bristles secured between upstream and downstream plates of the brush seal segment, and at least one passage radially formed through the main seal segment to communicate a balancing pressure from a pressure source located exteriorly of an outer periphery of the main seal segment to a cavity defined in the downstream plate of the brush seal segment at a downstream side of the layer of bristles of the brush seal segment.