Thrust termination device for solid rocket motor

Details Thrust termination device for solid rocket motor Thrust termination device for solid rocket motor

2006-11-01

2009-12-08

Casaregola, Louis J (Department: 3741)

Power plants

Reaction motor

With thrust direction modifying means

C060S254000, C239S265250

Reexamination Certificate

active

07628006

ABSTRACT:
Disclosed is an abrupt opening apparatus of a pressurized chamber in an intended procedure to accomplish thrust termination for a stage separation of the solid rocket motor. It can open trust termination ports with simple mechanical structure to thereby terminate the normal thrust of a nozzle reliably, if it is intended to terminate the normal thrust produced from the nozzle of the rocket motor to thereby impede the forward movement of the rocket motor by producing the reverse thrust. The thrust termination device for the rocket motor comprises a closure210for closing the thrust termination ports in an air-tight structure; a snap ring220for supporting the closure210; a wedge230arranged between both free ends of the snap ring; a wedge fixing plate240for fixing the wedge; and, a pulling wire250linked to the wedge at one end thereof for extracting the wedge by being drawn when the thrust termination is performed.

REFERENCES:
patent: 3052091 (1962-09-01), O'ooge
patent: 3134222 (1964-05-01), Maxson
patent: 3177655 (1965-04-01), White
patent: 3185096 (1965-05-01), Daudelin
patent: 3196610 (1965-07-01), Anderson
patent: 3442083 (1969-05-01), Klotz
patent: 4171663 (1979-10-01), Day et al.
patent: 4484439 (1984-11-01), Singer et al.
patent: 4625649 (1986-12-01), Russell
patent: 5400713 (1995-03-01), Humiston et al.

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