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. 13, 2004
Filed:
Mar. 21, 2003
Applicant:
Inventors:
Leonid Julievich Ginessin, Moscow, RU;
Anil Kumar Tolpadi, Niskayuna, NY (US);
William Hunter Boardman, IV, Burnt Hills, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 1/102 ;
U.S. Cl.
CPC ...
F01D 1/102 ;
Abstract
A method for sealing between a rotary component and a stationary component. The method including positioning a seal assembly having a plurality of teeth adjacent the stationary component and positioning a packing surface to interface with the rotary component. The packing surface at the rotary component includes at least one step that has an axial width that is approximately equal to a distance the rotary component axially shifts relative to the stationary component during transition from startup to steady state operating conditions.