GB525888A - A combined fuel pump and injector - Google Patents

A combined fuel pump and injector

Info

Publication number
GB525888A
GB525888A GB685739A GB685739A GB525888A GB 525888 A GB525888 A GB 525888A GB 685739 A GB685739 A GB 685739A GB 685739 A GB685739 A GB 685739A GB 525888 A GB525888 A GB 525888A
Authority
GB
United Kingdom
Prior art keywords
fuel
valve
moved
fixed
engine
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
GB685739A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB685739A priority Critical patent/GB525888A/en
Publication of GB525888A publication Critical patent/GB525888A/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M49/00—Fuel-injection apparatus in which injection pumps are driven or injectors are actuated, by the pressure in engine working cylinders, or by impact of engine working piston
    • F02M49/02—Fuel-injection apparatus in which injection pumps are driven or injectors are actuated, by the pressure in engine working cylinders, or by impact of engine working piston using the cylinder pressure, e.g. compression end pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/107—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive pneumatic drive, e.g. crankcase pressure drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/07—Nozzles and injectors with controllable fuel supply
    • F02M2700/075—Injection valve actuated by cylinder pressure or other air pressure for pressurised fuel supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

525,888. Fuel-injection pumps. DAVIDSON, A. J. March 2, 1939, No. 6857. [Class 102 (i)] A fuel injection pump comprises a member 25 which reciprocates over a fixed piston 46 and is exposed to the pressure in the engine cylinder. To commence delivery, a wedge 57, moved by an engine driven cam 61, is forced between a roller 52, fixed to the casing, and a roller 54, fixed to the member 25, so that with the assistance of the compression pressure of the engine, the member 25 is moved against the spring 49. The fuel inlet 39 and the byepass 40 are cut off so that fuel is delivered through the valve 31 and injector orifice 36. As the wedge 57 is withdrawn, the spring 49 moves the member 25 to cause the suction stroke. The member 41 is moved by the pinion 44 to vary the position of the member 25 at which the byepass is cut off. The delivery valve 31 has ports 33 arranged so that they are closed by the guide 30 before the valve 31 is seated, to prevent dribble.
GB685739A 1939-03-02 1939-03-02 A combined fuel pump and injector Expired GB525888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB685739A GB525888A (en) 1939-03-02 1939-03-02 A combined fuel pump and injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB685739A GB525888A (en) 1939-03-02 1939-03-02 A combined fuel pump and injector

Publications (1)

Publication Number Publication Date
GB525888A true GB525888A (en) 1940-09-06

Family

ID=9822014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB685739A Expired GB525888A (en) 1939-03-02 1939-03-02 A combined fuel pump and injector

Country Status (1)

Country Link
GB (1) GB525888A (en)

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