Rocket engine nozzle throat plug engine recovery system

Details Rocket engine nozzle throat plug engine recovery system Rocket engine nozzle throat plug engine recovery system

1990-10-31

1992-01-28

Peters, Jr., Joseph F.

Aeronautics and astronautics

Spacecraft

Attitude control

244138R, 244121, B64G 162, B64D 4500

Patent

active

050837281

ABSTRACT:
An expandable throat plug for use in the recovery of a rocket engine nozzle in an engine assembly is disclosed herein having a deployment device carried on the exterior of the engine assembly including an actuator for advancing an extendable column and an arm normal thereto so that the expandable throat plug can be deployed into and inside the nozzle. A telescoping extension shaft deploys the plug interiorly of the nozzle whereby a pressurized medium expands the plug into conformal engagement with the inner surface of the nozzle to seal and close the throat opening.

REFERENCES:
patent: 3286951 (1966-11-01), Kendall
patent: 4830314 (1989-05-01), Hujsak
patent: 4832288 (1989-05-01), Kendall et al.
patent: 4961550 (1990-10-01), Hujsak

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