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특허 상세정보

Balanced, pressure-flow-compensated, single-stage servovalve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F15B-013/044   
미국특허분류(USC) 137/62565 ; 137/6252 ; 137/62527 ; 137/62544
출원번호 US-0560211 (1990-07-19)
발명자 / 주소
인용정보 피인용 횟수 : 17  인용 특허 : 0
초록

A hydraulic servovalve is controlled electrically through electromagnetic means. Electrical currents applied to force motors determine the relative position of a single, displaceable control assembly within the valve. Displacive movement of the control assembly changes, in reciprocal proportion, the inlet and outlet flow-metering clearances in each of the chambers of this open-passage type valve. The position of the control assembly determines the inlet and outlet flows within, and, therefore, the net flow through, each chamber. Moreover, since the chamb...

대표
청구항

A balanced, pressure-compensated, single-stage hydraulic valve system with interconnected fluid-supply, interconnected fluid-return and distinct fluid-control ports, said hydraulic valve system being responsive to applied signals, and said system comprising: (a) a plurality of chambers, with each said chamber having an inlet port, an outlet port, and a chamber port, each connected thereto; (b) a displaceable control assembly, located largely within and extending between said chambers, and having substantially planar means, within each said chamber, with ...

이 특허를 인용한 특허 피인용횟수: 17

  1. Sturman Oded E.. Air-fuel module adapted for an internal combustion engine. USP2000116148778.
  2. Sturman Oded E.. Air-fuel module adapted for an internal combustion engine. USP2001016173685.
  3. Buchheim, Robert K.. Apparatus comprising a rotary-acting pilot valve. USP2005116962323.
  4. Gilmore Dan. Automatic, pressure-sensitive, independent zone, diverter check valve. USP1999075918621.
  5. Karolek Neil C. ; Sturman Oded E. ; Dahlgren Derek A.. Dynamic control valve system adapted for inflatable restraint systems for vehicles. USP2000056068288.
  6. Karolek Neil C. ; Sturman Oded E. ; Dahlgren Derek A.. Dynamic control valve system adapted for inflatable restraint systems for vehicles. USP2001056231077.
  7. Broyer,Patrick; Colin,Bruno; Roller,Denis. Electrically opened micro fluid valve. USP2007017159618.
  8. Kopp, John. Electro-hydraulic servo valve. USP2016049309900.
  9. Batdorff, Mark A.; Lumkes, Jr., John H.. Fast-acting fluid control valve. USP2010057717130.
  10. Sturman Oded E.. High speed fuel injector. USP2001076257499.
  11. Sturman Oded E.. Hydraulically driven springless fuel injector. USP2000126161770.
  12. Sturman Oded E.. Intensified fuel injector having a lateral drain passage. USP2000076085991.
  13. Franconi, Robert; Banta, Paul; Lam, Cecilia Sum. Pressure and flow altitude compensated shutoff valve. USP2015079080687.
  14. Frisch Herbert,DEX ; Vollmer Josef,DEX. Rocker valve with pneumatic pre-control. USP2001026186175.
  15. Sturman Oded E. (Newbury Park CA) Massey Steven (Camarillo CA). Static and dynamic pressure balance double flow three-way control valve. USP1997025598871.
  16. Batchelor, Mark. Twin power valve with integrated pressure balance. USP2013108550116.
  17. Sturman Oded E. ; North Christopher ; Strom Robert ; Massey Steven. Valve controller systems and methods and fuel injection systems utilizing the same. USP1999095954030.