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. 19, 2013
Filed:
Oct. 13, 2009
Ravi Shankar Venkata Kasibhotla, Vijayawada, IN;
Anantha Padmanabhan Bhagavatheeswaran, Bangalore, IN;
Fred Thomas Willett, Jr., Burnt Hills, NY (US);
Ravi Shankar Venkata Kasibhotla, Vijayawada, IN;
Anantha Padmanabhan Bhagavatheeswaran, Bangalore, IN;
Fred Thomas Willett, Jr., Burnt Hills, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
A steam turbine includes a rotor having a plurality of early stages and a stator portion surrounding a portion of the rotor and arranged such that a leakage region exists between the stator portion and the rotor and having a cooling steam channel that passes cooling steam from one portion of the stator portion to the leakage region. The turbine also includes at least one cooling steam transmission channel axially displaced about the rotor that receives the cooling steam from the leakage region and provides it to at least a portion of the early stages.