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특허 상세정보

Vehicle, lightweight pneumatic pilot valve and related systems therefor

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42B-015/01    F41G-007/00   
미국특허분류(USC) 244/003.22; 244/003.1; 244/003.15; 244/003.21; 244/164; 060/233
출원번호 US-0234697 (2002-09-03)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Ingrassia Fisher &
인용정보 피인용 횟수 : 6  인용 특허 : 49
초록

A vehicle, such as a missile, with a pilot valve system controls the vehicle's thrust valves despite a hostile propellant gas environment. The pilot valve system can have one or more pilot valves. Using refractory elements, the pilot valve ball reciprocates between a supply seat and a vent seat which is subject to the filtered inflow of propellant thrust gases. When open, the pilot valve allows the stray thrust gas to communicate to a control chamber which closes a poppet against a valve seat in the nozzle. When an associated solenoid closes the pilot va...

대표
청구항

1. A pilot valve for redirecting thrust to control a thrust valve, comprising:a housing having a supply valve seat and a vent valve seat defining an internal valve chamber; the supply valve seat defining a thrust inlet opening; the vent valve seat defining a pressure vent opening; the valve chamber in communication with the thrust inlet opening, the pressure vent opening, and configured to communicate with the thrust valve; a valve gate moveable between the supply valve and vent valve seats to selectably seal either the supply valve seat or the vent valv...

이 특허에 인용된 특허 (49)

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