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:
Feb. 09, 2016
Filed:
Jul. 06, 2012
Rahul Anil Bidkar, Niskayuna, NY (US);
Massimiliano Cirri, Munich, DE;
Azam Mihir Thatte, Rotterdam, NY (US);
John Robert Williams, Fairfield, OH (US);
Rahul Anil Bidkar, Niskayuna, NY (US);
Massimiliano Cirri, Munich, DE;
Azam Mihir Thatte, Rotterdam, NY (US);
John Robert Williams, Fairfield, OH (US);
General Electric Company, Niskayuna, NY (US);
Abstract
An aerodynamic seal assembly for a rotary machine includes multiple sealing device segments disposed circumferentially intermediate to a stationary housing and a rotor. Each of the segments includes a shoe plate with a forward-shoe section and an aft-shoe section having multiple labyrinth teeth therebetween facing the rotor. The sealing device segment also includes multiple flexures connected to the shoe plate and to a top interface element, wherein the multiple flexures are configured to allow the high pressure fluid to occupy a forward cavity and the low pressure fluid to occupy an aft cavity. Further, the sealing device segments include a secondary seal attached to the top interface element at one first end and positioned about the flexures and the shoe plate at one second end.