Research/Patents/US 5150654
US 5150654

SPHERICAL IGNITER FOR FULL HEAD-END WEB ROCKET MOTORS

Assignee

MORTON THIOKOL, INC., A DE. CORP.

Filed

Oct 15, 1987

Granted

Sep 29, 1992

Location

OGDEN UT US

Abstract

An igniter for full head-end web rocket motors comprises two molded urethane hemispherical shells, each of which is lined with a layer of solid propellant fuel, joined together to form a solid propellant-lined spherical pressure vessel, which spherical pressure vessel is strengthened by a wrapping fiberglass around the girth, includes an igniter initiator having an elongated tubular urethane housing that contains ignition material and serves also as a structural tie between the hemispherical shells, and a mounting foot incorporated in the lower portion of the spherical shell to facilitate bonding to the rocket motor's propellant grain, nozzle ports located in the lower portion of the spherical shell being provided for igniter flaming gas discharge and subsequent rocket motor ignition.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 9, 1988

Rescinded

Feb 11, 1992

Duration

3 years, 9 months

Inventor

  • 1ROGER A. GROSGEBAUER

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records