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특허 상세정보

Fuel metering system proportional bypass valve error compensation system and method

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02M-037/00    F02G-003/00   
미국특허분류(USC) 123/434; 060/039.281; 060/039.01; 060/793
출원번호 US-0344641 (2006-01-31)
등록번호 US-7431015 (2008-10-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Ingrassia, Fisher & Lorenz, P.C.
인용정보 피인용 횟수 : 6  인용 특허 : 15
초록

A method and system for controlling fuel flow in a fuel metering system that includes a metering valve and a proportional bypass valve that produces a differential pressure error across the metering valve includes supplying a first fraction of fuel through the metering valve. A second fraction of the fuel is directed through the proportional bypass valve. The differential pressure error produced by the bypass valve is determined, and fuel flow through the supply line is controlled by adjusting the metering valve based at least in part on the determined d...

대표
청구항

We claim: 1. In a fuel metering system including a metering valve and a proportional bypass valve that produces a differential pressure error across the metering valve, a method of controlling fuel flow in the fuel metering system, comprising the steps of: supplying fuel from a fuel source to a supply line, the supply line having at least an outlet port; directing a first fraction of the fuel in the supply line through the metering valve to the supply line outlet port, the metering valve having a first variable area flow orifice; directing a second frac...

이 특허에 인용된 특허 (15)

  1. Luttrell Jabe R. ; Smith Stephen ; Santoro Stephen. Automatic aircraft engine fuel mixture optimization. USP2001116317680.
  2. Veilleux ; Jr. Leo J. ; Reuter Charles E.. Electronic control for a variable delivery, positive displacement fuel pump. USP1998095806300.
  3. Chapin Donald W. (Scottsdale AZ). Fluidic set point amplifier apparatus and method, and uses thereof. USP1989054833880.
  4. Downing Noel L. (Indianapolis IN). Fuel air ratio controlled fuel splitter. USP1982074337616.
  5. Moore ; Jr. Robert G. (Granger IN). Fuel control shut-off system. USP1992075133181.
  6. Evans Rowland M. (Terrasse Vaudreuil CAX). Fuel control system for gas turbine engine. USP1984014423592.
  7. Ralston Russell B. (Loves Park IL) McLevige Daniel J. (Davis IL). Fuel controls for gas turbine engines. USP1988014716723.
  8. Clements, Martin A.. Fuel delivery system. USP2004116810674.
  9. Moore ; Jr. Robert G. (South Bend IN). Fuel/air ratio control apparatus for a reciprocating aircraft engine. USP1984064452207.
  10. Idelchik Michael S. (Swampscott MA). Gas turbine engine control system. USP1991024993221.
  11. Reuter Charles E. ; Gaudet Timothy J.. Hydromechanical control for a variable delivery, positive displacement fuel pump. USP1998025715674.
  12. Adams Paul R. ; Gabel Karl J. ; Roper Daniel G.. Intelligent pressure regulator. USP2001016178997.
  13. Pisano Alan D. (Chelsea MA). Isochronous gas turbine speed control. USP1987064672806.
  14. Mahoney, Timothy D.; Jones, David D.. System for controlling fuel flow to gas turbine engine. USP2004066751942.
  15. Middleton Paul L. (Blaine MN) Zeller John L. (Hiroshima JPX). Variable droop engine speed control system. USP1996095553589.