GB2574455B - Fuel injection system - Google Patents

Fuel injection system Download PDF

Info

Publication number
GB2574455B
GB2574455B GB1809372.4A GB201809372A GB2574455B GB 2574455 B GB2574455 B GB 2574455B GB 201809372 A GB201809372 A GB 201809372A GB 2574455 B GB2574455 B GB 2574455B
Authority
GB
United Kingdom
Prior art keywords
fuel injection
injection system
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.)
Active
Application number
GB1809372.4A
Other versions
GB2574455A (en
GB201809372D0 (en
Inventor
Ohrt Ole
Tuexen Thorsten
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.)
Caterpillar Motoren GmbH and Co KG
Original Assignee
Caterpillar Motoren GmbH and Co KG
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 Caterpillar Motoren GmbH and Co KG filed Critical Caterpillar Motoren GmbH and Co KG
Priority to GB1809372.4A priority Critical patent/GB2574455B/en
Publication of GB201809372D0 publication Critical patent/GB201809372D0/en
Priority to EP19177995.8A priority patent/EP3578800A3/en
Publication of GB2574455A publication Critical patent/GB2574455A/en
Application granted granted Critical
Publication of GB2574455B publication Critical patent/GB2574455B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M59/265—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 characterised by the arrangement or form of spill port of spill contour on the piston
    • 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
    • F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
    • 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
    • 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
    • F02M59/22—Varying quantity or timing by adjusting cylinder-head space
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/04—Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
GB1809372.4A 2018-06-07 2018-06-07 Fuel injection system Active GB2574455B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1809372.4A GB2574455B (en) 2018-06-07 2018-06-07 Fuel injection system
EP19177995.8A EP3578800A3 (en) 2018-06-07 2019-06-03 Fuel injection system, fuel pump and plunger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1809372.4A GB2574455B (en) 2018-06-07 2018-06-07 Fuel injection system

Publications (3)

Publication Number Publication Date
GB201809372D0 GB201809372D0 (en) 2018-07-25
GB2574455A GB2574455A (en) 2019-12-11
GB2574455B true GB2574455B (en) 2021-08-04

Family

ID=62975663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1809372.4A Active GB2574455B (en) 2018-06-07 2018-06-07 Fuel injection system

Country Status (2)

Country Link
EP (1) EP3578800A3 (en)
GB (1) GB2574455B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1573981A (en) * 1976-03-15 1980-09-03 Semt Device for damping pressure waves in an internal combustion engine fuel injection system
WO2008065248A1 (en) * 2006-11-27 2008-06-05 Wärtsilä Finland Oy A piston of a fuel injection pump and a fuel injection pump
EP2339166A1 (en) * 2009-12-23 2011-06-29 Caterpillar Motoren GmbH & Co. KG Purging method and system with scraper or wiper ring for preventing formation of deposits inside fuel pump
EP2669504A1 (en) * 2012-05-30 2013-12-04 Caterpillar Motoren GmbH & Co. KG Plunger for an internal combustion engine fuel pump
WO2013182213A1 (en) * 2012-06-05 2013-12-12 Caterpillar Motoren Gmbh & Co. Kg Fuel guiding component

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036192A (en) * 1974-02-08 1977-07-19 Diesel Kiki Co. Engine fuel injection system
US4163634A (en) * 1977-11-25 1979-08-07 Caterpillar Tractor Co. Fuel pump plunger
DE19630337C2 (en) * 1996-07-26 1999-02-18 Hatz Motoren Fuel injection pump for injection in internal combustion engines, in particular single-cylinder diesel engines
EP1041273A1 (en) * 1997-12-19 2000-10-04 Yanmar Diesel Engine Co. Ltd. Fuel injection pump
JP2016169690A (en) * 2015-03-13 2016-09-23 ヤンマー株式会社 Fuel injection pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1573981A (en) * 1976-03-15 1980-09-03 Semt Device for damping pressure waves in an internal combustion engine fuel injection system
WO2008065248A1 (en) * 2006-11-27 2008-06-05 Wärtsilä Finland Oy A piston of a fuel injection pump and a fuel injection pump
EP2339166A1 (en) * 2009-12-23 2011-06-29 Caterpillar Motoren GmbH & Co. KG Purging method and system with scraper or wiper ring for preventing formation of deposits inside fuel pump
EP2669504A1 (en) * 2012-05-30 2013-12-04 Caterpillar Motoren GmbH & Co. KG Plunger for an internal combustion engine fuel pump
WO2013182213A1 (en) * 2012-06-05 2013-12-12 Caterpillar Motoren Gmbh & Co. Kg Fuel guiding component

Also Published As

Publication number Publication date
EP3578800A2 (en) 2019-12-11
EP3578800A3 (en) 2020-02-26
GB2574455A (en) 2019-12-11
GB201809372D0 (en) 2018-07-25

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