Power plants – Combustion products used as motive fluid – Combustion products generator
Reexamination Certificate
2006-02-07
2006-02-07
Casaregola, Louis J. (Department: 3746)
Power plants
Combustion products used as motive fluid
Combustion products generator
Reexamination Certificate
active
06993912
ABSTRACT:
A combustion system for a gas turbine engine includes a Catalyst (CAT) combustion sub-system for generating combustion products under a lean premixed fuel/air condition in the presence of a Catalyst and a Dry-Low-Emissions (DLE) combustion sub-system, for generating combustion products under a lean premixed fuel/air condition. Gaseous and liquid fuels are used for the DLE combustion sub-system while only gaseous fuel is used for the CAT combustion system. The engine operates at start-up and under low load conditions with the DLE combustion system and switches over the combustion process to the CAT combustion sub-system under high load conditions. Thus the combustion system according to the invention combines the advantages of DLE and CAT combustion processes so that the gas turbine engine operates over an entire operating range thereof at high engine efficiency while minimizing omissions of nitrogen oxides and carbon monoxide from the engine.
REFERENCES:
patent: 2655786 (1953-10-01), Carr
patent: 2696076 (1954-12-01), Weeks
patent: 3797231 (1974-03-01), McLean
patent: 3928961 (1975-12-01), Pfefferle
patent: 3975900 (1976-08-01), Pfefferle
patent: 4019316 (1977-04-01), Pfefferle
patent: 4040252 (1977-08-01), Mosier et al.
patent: 4065917 (1978-01-01), Pfefferle
patent: 4433540 (1984-02-01), Cornelius et al.
patent: 5161366 (1992-11-01), Beebe
patent: 5165224 (1992-11-01), Spadaccini et al.
patent: 5235804 (1993-08-01), Colket et al.
patent: 5412938 (1995-05-01), Keller
patent: 5431017 (1995-07-01), Kobayashi et al.
patent: 5452574 (1995-09-01), Cowell et al.
patent: 5531066 (1996-07-01), Pfefferle et al.
patent: 5569020 (1996-10-01), Griffin et al.
patent: 5623819 (1997-04-01), Bowker et al.
patent: 5685156 (1997-11-01), Willis et al.
patent: 5826429 (1998-10-01), Beebe et al.
patent: 5850731 (1998-12-01), Beebe et al.
patent: 5937632 (1999-08-01), Döbbeling et al.
patent: 6105360 (2000-08-01), Willis
patent: 6125625 (2000-10-01), Lipinski et al.
patent: 6223537 (2001-05-01), Lipinski et al.
patent: 6339925 (2002-01-01), Hung et al.
patent: 6442939 (2002-09-01), Stuttaford et al.
patent: 6532743 (2003-03-01), Fischer
patent: 6629414 (2003-10-01), Fischer
Casaregola Louis J.
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
LandOfFree
Ultra low No x emissions combustion system for gas turbine... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ultra low No x emissions combustion system for gas turbine..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ultra low No x emissions combustion system for gas turbine... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3692248