|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||60/250 ; 60/254|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 1|
A rocket propelled vehicle includes a lower stage solid propellant rocket motor and at least one upper stage solid propellant rocket motor. Each of the rocket motors includes a case, a nozzle and a solid propellant having a central combustion chamber, with the case of the lower stage motor, in a preferred embodiment, being open at the forward end and the case of the upper stage motor being open at the aft end and forming a continuation of the open end of the lower stage case, with a layer of slow burning material cast on the surface defining the central ...
A multi-stage rocket comprising, a lower stage rocket motor including a first nozzle and having a first solid propellant and a first case, said first solid propellant having a perforation therein forming a first central combustion chamber, said first case having a forward end and an aft end with said nozzle being attached to said aft end of said first case, at least a first upper stage rocket motor including a second nozzle and having a second solid propellant and a second case, said second solid propellant having a forward end and an aft end with said s...