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특허 상세정보

Multiple pintle nozzle propulsion control system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42B-015/00   
미국특허분류(USC) 244/322
출원번호 US-0147591 (1993-11-04)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 55  인용 특허 : 0
초록

A rocket motor assembly is provided with multiple pintle nozzles and a controller for adjusting the pintle position in the nozzles to generate a thrust differential, while maintaining the combustion pressure at equilibrium pressure by maintaining the sum of the throat areas of all of the pintle nozzles constant, for example. In this manner, proportional thrust control and very high response times are achieved. The controller also includes a pressure correction circuit that senses any difference between the actual combustion chamber pressure and the selec...

대표
청구항

A method of controlling thrust in a propulsion system comprising the steps of: providing a rocket motor having a combustion chamber and multiple nozzles each having an adjustable nozzle throat area for proportionally controlling gas discharge therefrom; energizing the motor to cause gas to be discharged from the nozzles and generate thrust; sensing the pressure in the combustion chamber; comparing the sensed pressure value to a preselected pressure value; and changing the throat areas of the nozzles, each by essentially the same amount, based on the diff...

이 특허를 인용한 특허 피인용횟수: 55

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