GB1273018A - Improvements relating to fuel injection pumps - Google Patents

Improvements relating to fuel injection pumps

Info

Publication number
GB1273018A
GB1273018A GB4840069A GB4840069A GB1273018A GB 1273018 A GB1273018 A GB 1273018A GB 4840069 A GB4840069 A GB 4840069A GB 4840069 A GB4840069 A GB 4840069A GB 1273018 A GB1273018 A GB 1273018A
Authority
GB
United Kingdom
Prior art keywords
barrel
fuel injection
bore
injection pumps
oct
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
GB4840069A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Priority claimed from DE19681800919 external-priority patent/DE1800919C3/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1273018A publication Critical patent/GB1273018A/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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/48—Assembling; Disassembling; Replacing
    • 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
    • F02M59/243—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movement of cylinders relative to their pistons
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston

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

1,273,018. Fuel injection pumps. ROBERT BOSCH G.m.b.H. Oct. 2, 1969 [Oct. 3, 1968], No.48400/69. Heading F1A. In a fuel injection pump comprising a plunger 3 having an oblique control edge 21 and a cylinder barrel 2 having a spill port 23, the barrel may be rotated relative to the piston by an adjusting member 15 mounted in a radial bore 12 in the pump body 1 for initial adjustment of the delivery quantity. An eccentric pin 16 on the member engages a longitudinal groove 17 on the barrel so that rotation of the member rotates the barrel. A resilient O-ring 19 in a groove 18 in the member engages the bore 12 to prevent inadvertant rotation, and the outer end 13 of the bore is sealed by a disc 14. The delivery quantity may also be controlled by rotating the piston whilst the barrel is fixed by means of a toothed control rack 11.
GB4840069A 1968-10-03 1969-10-02 Improvements relating to fuel injection pumps Expired GB1273018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681800919 DE1800919C3 (en) 1968-10-03 Device for adjusting the delivery rate of the pump elements of fuel injection pumps

Publications (1)

Publication Number Publication Date
GB1273018A true GB1273018A (en) 1972-05-03

Family

ID=5709512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4840069A Expired GB1273018A (en) 1968-10-03 1969-10-02 Improvements relating to fuel injection pumps

Country Status (3)

Country Link
FR (1) FR2019851A1 (en)
GB (1) GB1273018A (en)
RO (1) RO55414A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685842A (en) * 2019-11-21 2020-01-14 中船动力有限公司 Variable oil injection timing oil injection pump of diesel engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685842A (en) * 2019-11-21 2020-01-14 中船动力有限公司 Variable oil injection timing oil injection pump of diesel engine
CN110685842B (en) * 2019-11-21 2021-05-04 中船动力有限公司 Variable oil injection timing oil injection pump of diesel engine

Also Published As

Publication number Publication date
DE1800919A1 (en) 1970-07-02
DE1800919B2 (en) 1976-12-30
FR2019851A1 (en) 1970-07-10
RO55414A (en) 1973-09-20

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years