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:
Aug. 14, 2001
Filed:
Feb. 05, 1999
Thomas W. Zagar, Winter Springs, FL (US);
Anthony L. Schiavo, Oviedo, FL (US);
Siemens Westinghouse Power Corporation, Orlando, FL (US);
Abstract
A rotating blade group,for a turbo-machine having an improved device for sealing the gap,between the edges,of adjacent blade platforms,. The gap,between adjacent blades,is sealed by a seal pin,its central portion,and by a seal plate,at each of the front,and rear,portions. The seal plates,are inserted into corresponding grooves,formed in the adjacent edges,of adjoining blades,and held in place by end plates,. The end of the seal plates,may be chamfered,to improve the seal against the end plate,. The seal pin,provides the required damping between the blades,and the seal plates,provide improved sealing effectiveness.