GB1345598A - Fuel injection pump - Google Patents

Fuel injection pump

Info

Publication number
GB1345598A
GB1345598A GB2929371A GB2929371A GB1345598A GB 1345598 A GB1345598 A GB 1345598A GB 2929371 A GB2929371 A GB 2929371A GB 2929371 A GB2929371 A GB 2929371A GB 1345598 A GB1345598 A GB 1345598A
Authority
GB
United Kingdom
Prior art keywords
plunger
injection
ports
port
fuel injection
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
GB2929371A
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of GB1345598A publication Critical patent/GB1345598A/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
    • 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
    • F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
    • F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
    • 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
    • F02M59/38—Pumps characterised by adaptations to special uses or conditions
    • F02M59/42—Pumps characterised by adaptations to special uses or conditions for starting of engines
    • 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
    • F02M2700/1388—Fuel pump with control of the piston relative to a fixed cylinder

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

1345598 Fuel injection pumps MITSUBISHI JUKOGYO K K 22 June 1971 [23 June 1970] 29293/71 Heading F1A In a fuel injection pump comprising a plunger 7 reciprocable in a cylinder barrel 8 having ports 15a, 15b in communication with a fuel supply chamber 17, the plunger 7 is angularly adjustable to an engine-starting position, Fig. 1, providing two-stage injection and an engine-running position providing only a main injection. The preliminary injection occurs, Fig. 1, on closure of the ports 15a, 15b and is terminated when a spill groove 13 in the plunger communicates with the port 15a. Thereafter the main injection commences when the groove 13 and port 15a no longer communicate and is terminated when a spill groove 14 communicates with the ports 15a, 15b. After starting the plunger 7 is rotated to the Fig. 4A position in which main injection commences when the plunger position 7c closes the port 15b.
GB2929371A 1970-06-23 1971-06-22 Fuel injection pump Expired GB1345598A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45054527A JPS4933293B1 (en) 1970-06-23 1970-06-23

Publications (1)

Publication Number Publication Date
GB1345598A true GB1345598A (en) 1974-01-30

Family

ID=12973117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2929371A Expired GB1345598A (en) 1970-06-23 1971-06-22 Fuel injection pump

Country Status (3)

Country Link
JP (1) JPS4933293B1 (en)
DE (1) DE2131195A1 (en)
GB (1) GB1345598A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133478A (en) * 1983-01-08 1984-07-25 Lucas Ind Plc Fuel injection pumps
GB2275739A (en) * 1993-03-01 1994-09-07 Caterpillar Inc Flexible injection rate shaping device for a hydraulically-actuated fuel injector

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1107092B (en) * 1978-02-15 1985-11-18 Fiat Spa INJECTION PUMP OF THE DISTRIBUTOR TYPE FOR MULTI-CYLINDER INTERNAL COMBUSTION IGNITION COMPRESSION ENGINES
GB8823453D0 (en) * 1988-10-06 1988-11-16 Lucas Ind Plc Pump
DE4029159A1 (en) * 1990-01-03 1991-07-04 Bosch Gmbh Robert FUEL INJECTION DEVICE FOR INJECTION COMBUSTION ENGINES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133478A (en) * 1983-01-08 1984-07-25 Lucas Ind Plc Fuel injection pumps
GB2275739A (en) * 1993-03-01 1994-09-07 Caterpillar Inc Flexible injection rate shaping device for a hydraulically-actuated fuel injector
GB2275739B (en) * 1993-03-01 1995-12-13 Caterpillar Inc Flexible injection rate shaping device for a hydraulically-actuated fuel injection system

Also Published As

Publication number Publication date
JPS4933293B1 (en) 1974-09-06
DE2131195A1 (en) 1971-12-30

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee