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특허 상세정보

Filter assembly for fuel supply to actuators and fuel control system of aircraft engine and method

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-035/157   
미국특허분류(USC) 210/137; 210/433.1; 210/456; 210/194; 210/197; 210/416.4
출원번호 US-0935900 (2007-11-06)
등록번호 US-8647503 (2014-02-11)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fay Sharpe LLP
인용정보 피인용 횟수 : 0  인용 특허 : 5

A filter assembly for a fuel delivery system for actuators and fuel control system of an aircraft engine includes a wash flow filter. Fuel flow velocity is increased through the filter through use of a recirculating passage that is effectively achieved through use of an ejector pump. A portion of the pressurized fuel delivered by the main fuel pump is diverted and serves as a motive fluid that scavenges unfiltered flow from downstream of the filter and recirculates or discharges the recirculated flow to an inlet of the filter. This provides increased vel...


1. A wash flow filter assembly for use in an associated aircraft engine, the assembly comprising: a housing having an inlet and first and second outlets in fluid communication with one another;a filter disposed along a fluid path between the inlet and the first outlet whereby filtered material separated by the filter is washed therefrom and carried by throughflow fluid to the first outlet;the second outlet located downstream of the filter from the inlet and receiving filtered fluid flow therefrom;a movable poppet disposed along the fluid path for varying...