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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||102/377 ; 244/172 ; 60/225 ; 60/250|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 30 인용 특허 : 7|
The invention relates to a multistage launch vehicle and method of multistage launch vehicle operation in which at least one subsequent motor stage is ignited following lift-off in partially overlapping relationship with its immediately preceding motor stage prior to shut-down and staging of the preceding motor stage in order to effect positive thrust control over the launch vehicle throughout shut-down and staging of the preceding motor stage. Preferably, each of the motors comprising the subsequently fired motor stage is provided with a thrust profile ...
A launch vehicle comprising first and second sequentially ignitible rocket motor stages, wherein each of said rocket motors stages is comprised of at least one solid rocket motor and means is provided for igniting the second stage rocket motor subsequent to vehicle lift-off while the launch vehicle is within the earth\s atmosphere in partially overlapping relationship with the first stage rocket motor prior to termination of first stage motor operation.