Ammunition and explosives – Igniting devices and systems – Electrical primer or ignitor
Patent
1982-12-27
1985-03-12
Jordan, Charles T.
Ammunition and explosives
Igniting devices and systems
Electrical primer or ignitor
60256, 102287, F02K 918, F02K 930, F02K 995
Patent
active
045037736
ABSTRACT:
An igniter for high-performance rocket motors having a full, head-end web of propellant in the forward end of the motor comprises a closed, rigid pressure vessel having walls which are formed of a consumable filament structure. The igniter includes a hollow cylindrical solid propellant having a high surface grain area which operates at high pressure and is removably attached to a liner that is provided in a cavity in the aft end of the propellant. The liner is machinable with the motor propellant grain thereby facilitating propellant grain cutback if required by a change in mission of the motor. The thrust produced by the igniter neither applies stresses to the motor propellant nor exerts any forces tending to eject it from the cavity.
REFERENCES:
patent: 2979896 (1961-04-01), Perkins
patent: 3000311 (1961-09-01), Stanley
patent: 3003419 (1961-10-01), Fite
patent: 3324656 (1967-06-01), Bradshaw
patent: 3347039 (1967-10-01), Zeman
patent: 3392673 (1968-07-01), King
patent: 3811358 (1974-05-01), Morse
patent: 4080901 (1978-03-01), Heier et al.
patent: 4232608 (1980-11-01), Wrightson
patent: 4378674 (1983-04-01), Bell
Griffiths, Jr. John E.
Jordan Charles T.
Thiokol Corporation
White Gerald K.
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