Power plants – Combustion products used as motive fluid – Combustion products generator
Reexamination Certificate
2005-04-19
2005-04-19
Freay, Charles G. (Department: 3746)
Power plants
Combustion products used as motive fluid
Combustion products generator
C060S740000, C060S746000, C060S748000
Reexamination Certificate
active
06880340
ABSTRACT:
The present invention relates to a gas turbine combustor comprising an air passage to supply air to the inside; and a fuel nozzle which is provided with an injection port to inject fuel and disposed in the air passage, wherein a turbulence producing means adjacent to the injection port of the fuel nozzle is provided in the air passage. Further, the present invention relates to a gas turbine combustor comprising an air passage to supply air to the inside; and a fuel nozzle which is provided with an injection port to inject fuel and disposed in the air passage, wherein a diffuser portion is provided in the air passage, and the diffuser portion causes the cross-sectional area of a part of the air passage positioned in the vicinity of the injection port to be smaller than that of a downstream portion of the air passage positioned downstream from the injection port in the direction of the airflow. Thus, the mixing action of fuel and air can be enhanced, and combustion vibration can be prevented.
REFERENCES:
patent: 5609017 (1997-03-01), Althaus
patent: 6158223 (2000-12-01), Mandai et al.
patent: 64-38523 (1989-02-01), None
patent: 5-332512 (1993-12-01), None
patent: 7-91661 (1995-04-01), None
patent: 8-82419 (1996-03-01), None
patent: 8-145361 (1996-06-01), None
patent: 8-226649 (1996-09-01), None
Freay Charles G.
Mitsubishi Heavy Industries Ltd.
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