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:
Sep. 20, 2005
Filed:
Mar. 25, 2004
Hans Ulrich Frutschi, Riniken, CH;
Timothy Griffin, Ennetbaden, CH;
Daniel Holmberg, Aengelholm, SE;
Roland Span, Paderborn-Sande, DE;
Hans Ulrich Frutschi, Riniken, CH;
Timothy Griffin, Ennetbaden, CH;
Daniel Holmberg, Aengelholm, SE;
Roland Span, Paderborn-Sande, DE;
ALSTOM Technology Ltd., Baden, CH;
Abstract
In a power generation plant having at least one gas turbine cycle with heat-recovery boiler () and at least one steam turbine cycle operated via the heat-recovery boiler (), the gas turbine cycle being designed to be semi-closed and essentially free of emissions and essentially comprising a compressor (), a combustion chamber () arranged downstream of the compressor (), a gas turbine () arranged downstream of the combustion chamber (), a heat-recovery boiler () arranged downstream of the gas turbine (), and at least one generator () coupled to the gas turbine (), modes of operation with the gas turbine cycle stopped and start-up using fresh air are made possible by first means () being arranged which alternatively or additionally allow hot gas to be fed into the hot-gas path () between gas turbine () and heat-recovery boiler (), and by second means () being arranged which alternatively or additionally allow exhaust gas to be expelled from the exhaust-gas path () downstream of the heat-recovery boiler ().