Power plants – Combustion products used as motive fluid – With variable oxidizer control
Patent
1992-05-12
1993-07-27
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
With variable oxidizer control
60748, F23R 326
Patent
active
052302121
ABSTRACT:
An oxidizer supply control system for a combustion chamber of a gas turbine ngine is disclosed wherein a plurality of oxidizer intake diaphragms are regulated by a synchronized, fluid actuated system. The oxidizer intake diaphragms are arranged in pairs and a fluid actuator operates the sleeves of each respective pair of oxidizer intake diaphragms. Synchronization of the movement of all of the sleeves is achieved by a common manifold interconnecting all of the fluid actuators such that they actuate their respective piston rods at substantially the same time with the same amount of movement. Additional synchronization is provided by interconnecting one of the sleeves of a pair of oxidizer intake diaphragms to one of the sleeve members of an adjacent pair of oxidizer intake diaphragms. This ensures that the sleeves all rotate simultaneously. The piston rods of the fluid actuators are connected to a pair of sleeves by a swivel member mounted in housings attached to the adjacent sleeves. A similar swivel member is used to interconnect the sleeves of adjacent pairs of oxidizer intake diaphragms so as to synchronize their movements.
REFERENCES:
patent: 3902315 (1975-09-01), Huellmantel
patent: 4534166 (1985-08-01), Kelm et al.
patent: 4677822 (1987-07-01), Iizuka et al.
patent: 4754600 (1988-07-01), Barbier et al.
patent: 4766722 (1988-08-01), Bayle-Laboure et al.
patent: 5159807 (1992-11-01), Forestier
Bertsch Richard A.
Societe Nationale d'Etude et de Construction de Moteurs "S.N.E.C
Thorpe Timothy S.
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