Power plants – Reaction motor – Solid propellant
Patent
1986-04-07
1988-04-19
Casaregola, Louis J.
Power plants
Reaction motor
Solid propellant
60253, 102202, 102291, F02K 900, F02K 908, F02K 970, F02K 972
Patent
active
047381000
ABSTRACT:
A propellant configuration for a solid propellant rocket motor, comprising a generally cylindrical housing containing a generally cylindrical main grain having a central cavity, and an igniter assembly supported in the central cavity and having means therein for bringing about combustion. At the time of actuation of the igniter assembly, hot gases are directed along flutes formed in the interior of the main grain, to cause burning thereof to take place. Advantageously, the propellant utilized in the main grain is the same as utilized in the igniter assembly, with the burn surface area of the igniter grain being in a pre-established relationship to the burn surface area of the fluted main propellant grain, such that the igniter grain will be totally consumed at the time that the flutes of the main propellant are consumed. In this way the total burn area of the main grain is reduced to a value which produces a distinct and highly desirable reduction in the total mass flow rate, this preferably occurring adjacent the end of the launch mechanism.
REFERENCES:
patent: 3151447 (1964-10-01), Bornstein
patent: 3392673 (1968-07-01), King
patent: 3707916 (1973-01-01), Meraz, Jr. et al.
patent: 3951072 (1976-04-01), Baker
patent: 4068591 (1978-01-01), Betts
patent: 4391196 (1983-07-01), Betts
Casaregola Louis J.
Renfro Julian C.
Stout Donald E.
Werkzeugmaschinenfabrik Oerlikon Buehrle AG
LandOfFree
Boost-sustain-boost rocket does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Boost-sustain-boost rocket, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Boost-sustain-boost rocket will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2168722