GB696832A - Control means for liquid fuel injection pumps - Google Patents

Control means for liquid fuel injection pumps

Info

Publication number
GB696832A
GB696832A GB2726850A GB2726850A GB696832A GB 696832 A GB696832 A GB 696832A GB 2726850 A GB2726850 A GB 2726850A GB 2726850 A GB2726850 A GB 2726850A GB 696832 A GB696832 A GB 696832A
Authority
GB
United Kingdom
Prior art keywords
piston
servo
spring
valve
loaded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2726850A
Inventor
Fraser Mackie Evans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CAV Ltd
Original Assignee
CAV Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CAV Ltd filed Critical CAV Ltd
Priority to GB2726850A priority Critical patent/GB696832A/en
Publication of GB696832A publication Critical patent/GB696832A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/02—Controlling by changing the air or fuel supply
    • F02D2700/0269—Controlling by changing the air or fuel supply for air compressing engines with compression ignition
    • F02D2700/0282—Control of fuel supply
    • F02D2700/0284—Control of fuel supply by acting on the fuel pump control element
    • F02D2700/0289—Control of fuel supply by acting on the fuel pump control element depending on the pressure of a gaseous or liquid medium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

696,832. Fluid-pressure servomotor control systems. C.A.V., Ltd. Oct. 8, 1951 [Nov. 8, 1950], No. 27268/50. Class 135 The rack a of a fuel-injection pump in a supercharged internal combustion engine is adjusted in accordance with boost pressure by an air-operated servo-piston h through a spring-loaded lever c and controlled by a stem o which, in conjunction with an opening q in the servo-piston, constitutes a control valve which is actuated by a coaxial spring- loaded piston k subject to boost pressure admitted through a passage n. Boost pressure is transmitted through a restricted passage r to the right hand side of the servo-piston which takes up a position in which leakage through the valve o, q results in a pressure which balances the force of the spring d. Air passed by the valve o, q escapes through a vent i. The pump may also have a maximum speed governor. In a modification, the stem o is replaced by a rod which at one end abuts the piston k and at the other end operates a spring-loaded lift valve seating on the servo-piston. The lever c is pivoted intermediate its ends.
GB2726850A 1950-11-08 1950-11-08 Control means for liquid fuel injection pumps Expired GB696832A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2726850A GB696832A (en) 1950-11-08 1950-11-08 Control means for liquid fuel injection pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2726850A GB696832A (en) 1950-11-08 1950-11-08 Control means for liquid fuel injection pumps

Publications (1)

Publication Number Publication Date
GB696832A true GB696832A (en) 1953-09-09

Family

ID=10256823

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2726850A Expired GB696832A (en) 1950-11-08 1950-11-08 Control means for liquid fuel injection pumps

Country Status (1)

Country Link
GB (1) GB696832A (en)

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