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. 14, 2012
Filed:
Mar. 20, 2009
Norman Arnold Turnquist, Sloansville, NY (US);
Shorya Nmn Awtar, Ann Arbor, MI (US);
Mustafa Gursoy, Cankaya Ankara, TR;
Kartik Mangudi Varadarajan, Cambridge, MA (US);
Norman Arnold Turnquist, Sloansville, NY (US);
Shorya nmn Awtar, Ann Arbor, MI (US);
Mustafa Gursoy, Cankaya Ankara, TR;
Kartik Mangudi Varadarajan, Cambridge, MA (US);
General Electric Company, Schenectady, NY (US);
Abstract
A spring assembly for a retractable turbine rotor seal supported in an arcuate segment may include in one embodiment a first radially inner restraining plate having a lower surface adapted to engage a surface of a turbine stator, and a flat upper surface provide with an upstanding hub; a second radially outer restraining plate having a flat lower surface and an upper surface adapted to engage a surface of the arcuate segment, the radially outer restraining plate formed with an opening receiving the upstanding hub; and at least one spring telescoped over the upstanding hub and exerting a radially outward biasing force on the second radially outer restraining plate, and adapted to exert a radially outward retracting force on the arcuate segment.