Engine air particle separator for use with gas turbine engine

Details Engine air particle separator for use with gas turbine engine Engine air particle separator for use with gas turbine engine

1979-11-16

1981-12-08

Hart, Douglas

Power plants

Combustion products used as motive fluid

With safety device

55306, F02C 7042, F02C 7052

Patent

active

043040942

ABSTRACT:
An engine air particle separator for use with a turbine engine and providing a first engine air flow path to the engine inlet in which foreign particles are separated from the air entering engine, and a second direct flow path for air to the engine inlet presenting minimum pressure drop and such that the ram air flows directly into the engine inlet. The second flow path includes actuatable blow-in doors which are actuated by a pneumatic door actuator mechanism operable to cause the doors to close upon the admission of air at operating pressure to the mechanism. Mechanism is provided to prevent the doors from opening when actuating air pressure is applied to the door actuator mechanism but falls below a preselected limit and to permit the doors to open in response to spring bias and ram pressure acting thereagainst when the air at actuating pressure is withdrawn.

REFERENCES:
patent: 3421296 (1969-01-01), Beurer
patent: 3483676 (1969-12-01), Sargisson
patent: 3998048 (1976-12-01), Derue

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