Methods of operating combustors

Details Methods of operating combustors Methods of operating combustors

Filed on

1978-02-15

Date issued

1980-06-03

Examiner

Garrett, Robert E.

Patent Class

Power plants

SubClass

Combustion products used as motive fluid

Other Related Categories

60732, 6039l51R, 431 10, F02C 722

Type

Patent

Status

active

Patent number

042055245

Description

ABSTRACT:
Methods of operating combustors to produce lower emissions, particularly lower emissions of nitrogen oxides and CO, including supplying separate streams of air to primary and secondary combustion regions of a combustor, and expanding combustion products when passing same from said primary combustion region to said secondary combustion region. In preferred embodiments, unheated air can be used in said primary combustion region, and/or a second stream of air mixed with said combustion products during said expansion thereof.

REFERENCES:
patent: 2669090 (1954-02-01), Jackson
patent: 2867267 (1959-01-01), Nerad et al.
patent: 3705492 (1972-12-01), Vickers
patent: 3826078 (1974-07-01), Quigg

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