Time delay device for deployable rocket nozzle skirts

Details Time delay device for deployable rocket nozzle skirts Time delay device for deployable rocket nozzle skirts

1979-01-22

1981-06-16

Garrett, Robert E.

Power plants

Reaction motor

Condition responsive thrust varying means

60271, 23926515, F02K 124

Patent

active

042729564

ABSTRACT:
A rocket motor expansion cone extension skirt of the combustion gas deployable type is purposely delayed in its deployment by an erodable barrier in the motor's expansion cone upstream of the extension and which diverts combustion gas away from the skirt to prevent its deployment. The barrier is eroded away by the gases after a brief predetermined period of time long enough to permit the rocket motor to clear other structures in a situation such as may occur during vehicle stage separation, after which time deployment of the skirt occurs.

REFERENCES:
patent: 3776466 (1973-12-01), Ray
patent: 4125224 (1978-11-01), Carey

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