Shut-off valve arrangement for a gas turbine engine fuel

Details Shut-off valve arrangement for a gas turbine engine fuel Shut-off valve arrangement for a gas turbine engine fuel

1980-02-15

1981-11-17

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

91426, F02C 722

Patent

active

043003478

ABSTRACT:
A shut-off valve arrangement for a gas turbine engine fuel supply system includes a shut-off valve in a fuel supply line to the engine, and a drain valve communicating with said supply line downstream of the shut-off valve. Said shut-off valve and drain valve are responsive to a servo pressure signal which is applied through flow restrictors such that the drain valve shuts before the shut-off valve, but opens after the shut-off valve.

REFERENCES:
patent: 3253516 (1966-05-01), Huntington
patent: 3393508 (1968-07-01), Ray
patent: 3866416 (1975-02-01), Lewis

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