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:
Jan. 05, 2010
Filed:
Apr. 20, 2005
Applicants:
Steven J. Barber, Louisville, KY (US);
Paul K. Trygstad, Aurora, CO (US);
Inventors:
Steven J. Barber, Louisville, KY (US);
Paul K. Trygstad, Aurora, CO (US);
Assignee:
BJ Services Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01K 13/02 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method of cooling a steam turbine having internal moving components to a predetermined temperature by controlling a flow of nitrogen through the turbine, thus decreasing the downtime associated with maintaining the turbine. This provides a more efficient and cost effective method of operating a power plant.