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:
Jul. 07, 2015
Filed:
Jan. 20, 2012
Applicant:
Hiroshi Tanabe, Tokyo, JP;
Inventor:
Hiroshi Tanabe, Tokyo, JP;
Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD., Yokohama-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/22 (2006.01); F02C 3/30 (2006.01); F02C 3/20 (2006.01);
U.S. Cl.
CPC ...
F02C 7/22 (2013.01); F02C 3/30 (2013.01); F02C 3/20 (2013.01);
Abstract
A power-generation plantincluding a gas turbine; a fuel-gas cooler; and an extraction linethat guides the fuel gas extracted from an intermediate stage of a fuel-gas compressorto the fuel-gas cooler; a first level detectorthat detects whether a level of the coolant accumulated at a bottom portion of the fuel-gas coolerhas reached a predetermined level; and a controller that stops the gas turbineon the basis of a detection signal sent from the first level detectorand that outputs a command signal for stopping a coolant pumpthat supplies the coolant to the spray nozzlesand