Gas turbine combustion chamber with adjustable primary oxidizer

Details Gas turbine combustion chamber with adjustable primary oxidizer Gas turbine combustion chamber with adjustable primary oxidizer

1993-05-06

1994-06-07

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

With variable oxidizer control

F02C 900

Patent

active

053178637

ABSTRACT:
A combustion chamber structure wherein the combustion chamber extends around a central, longitudinal axis and has primary oxidizer intake passageways whose positions along the central axis relative to an end of the combustion chamber are adjustable depending upon the operating conditions of the gas turbine engine. By controlling axial positions of the primary oxidizer intake passageways, the dwell time of the combustion gases and primary oxidizer inside the combustion zone of the chamber may also be controlled so as to increase the stability of the combustion, while at the same time minimizing the polluting emissions. The invention also encompasses the concept of adjusting the cross-sectional area of the primary oxidizer intake passageways as their positions along the central axis are adjusted. This enables a more accurate control of the volume of the primary oxidizer flow in addition to controlling the location of the flow.

REFERENCES:
patent: 1329279 (1920-01-01), Voorheis
patent: 3899881 (1975-08-01), Arvin et al.
patent: 3930368 (1976-01-01), Anderson et al.
patent: 4497170 (1985-02-01), Elliott et al.
patent: 4766722 (1988-08-01), Bayle-Laboure et al.
patent: 5003768 (1991-04-01), Kappler et al.

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