GB1425949A - Fuel injection pump - Google Patents

Fuel injection pump

Info

Publication number
GB1425949A
GB1425949A GB2171073A GB2171073A GB1425949A GB 1425949 A GB1425949 A GB 1425949A GB 2171073 A GB2171073 A GB 2171073A GB 2171073 A GB2171073 A GB 2171073A GB 1425949 A GB1425949 A GB 1425949A
Authority
GB
United Kingdom
Prior art keywords
fuel injection
plungers
stops
plunger
stop
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
GB2171073A
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.)
Holec NV
Original Assignee
Holec NV
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 Holec NV filed Critical Holec NV
Publication of GB1425949A publication Critical patent/GB1425949A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/129—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers
    • F04B9/137—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1372—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each pump piston in the two directions is obtained by a double-acting piston fluid motor
    • 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
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/30—Varying fuel delivery in quantity or timing with variable-length-stroke pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B5/00—Machines or pumps with differential-surface pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
    • 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
    • F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
    • F02M2700/1317—Fuel pumpo for internal combustion engines
    • F02M2700/1341—Fuel pump driven by the differential pressure of a gas
    • 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
    • F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
    • F02M2700/1317—Fuel pumpo for internal combustion engines
    • F02M2700/1376—Fuel pump with control of the pump piston stroke

Landscapes

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

Abstract

1425949 Fuel injection pumps; regulating IC engine fuel injection HOLEC NV 7 May 1973 [5 May 1972] 21710/73 Headings F1A and F1B A fuel injection pump 3 comprises a plurality of pumping units 3a, 3b, 3c, 3d, each for supplying an individual engine cylinder 2a, 2b, 2c, 2d through respective lines 28a, 28b, 28c, 28d and each comprising a pumping plunger 15d reciprocable between stops 22, 36 adjustable to vary the stroke of all the plungers in unison. The stops 22, 36 are in the form of cams angularly adjustable in bearings 33; the stop 22 by a barometric device 43, and the stop 36 by a spring-loaded piston 32 slidable in a cylinder 31 subjected to inlet manifold pressure. During starting an electromagnet 44 is energized to move the stop 22 in a direction which increases the delivery. Each plunger 15d is reciprocated by cyclic pressure changes produced in opposed motor chambers 17d, 18d separated by a motor piston 20d integral with the plunger. As shown, the pressure changes are produced by connecting each motor chamber to one of the engine cylinders, but in an alternative arrangement cam driven pistons each disposed in a cylinder connected to one of the motor chambers are used. A feedpump 12 drawing from a tank 11 supplies fuel through a passage 13 to the valve controlled suction ports of all the pumping units 3a.... 3d. In alternative embodiments, Figs. 2-4 (not shown), double-acting pumping plungers are used, each being arranged to supply fuel to a pair of cylinders at the end or middle of their induction period. The plungers are either arranged in parallel, as shown, or end-to-end between stops in the form of rectilinearly movable wedges.
GB2171073A 1972-05-05 1973-05-07 Fuel injection pump Expired GB1425949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL727206081A NL154302B (en) 1972-05-05 1972-05-05 INJECTION DEVICE FOR DELIVERING GASOLINE TO A COMBUSTION ENGINE WITH GASOLINE INJECTION.

Publications (1)

Publication Number Publication Date
GB1425949A true GB1425949A (en) 1976-02-25

Family

ID=19815979

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2171073A Expired GB1425949A (en) 1972-05-05 1973-05-07 Fuel injection pump

Country Status (7)

Country Link
US (1) US3855982A (en)
JP (1) JPS5532901B2 (en)
DE (1) DE2322729A1 (en)
FR (1) FR2183775B1 (en)
GB (1) GB1425949A (en)
NL (1) NL154302B (en)
SE (1) SE383553B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621605A (en) * 1983-12-30 1986-11-11 Cummins Engine Company, Inc. Positive displacement fuel injection system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1314561A (en) * 1919-09-02 wright
US2053543A (en) * 1932-01-18 1936-09-08 Continental Motors Corp Fuel pumping system for engines
US2720344A (en) * 1952-05-21 1955-10-11 S U Carburetter Co Ltd Liquid fuel metering distributors for internal combustion engines
JPS444251Y1 (en) * 1965-06-09 1969-02-17
GB1281692A (en) * 1968-07-30 1972-07-12 Dowty Technical Dev Ltd Fuel injection system for a multi-cylinder internal combustion engine
US3604405A (en) * 1969-05-07 1971-09-14 William A Maher Fuel injectors

Also Published As

Publication number Publication date
NL7206081A (en) 1973-11-07
DE2322729A1 (en) 1973-11-15
FR2183775A1 (en) 1973-12-21
SE383553B (en) 1976-03-15
FR2183775B1 (en) 1980-06-06
JPS5532901B2 (en) 1980-08-27
US3855982A (en) 1974-12-24
NL154302B (en) 1977-08-15
JPS4961518A (en) 1974-06-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee