KR100781915B1 - 내연기관의 연료분사펌프 - Google Patents

내연기관의 연료분사펌프 Download PDF

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Publication number
KR100781915B1
KR100781915B1 KR1020067020440A KR20067020440A KR100781915B1 KR 100781915 B1 KR100781915 B1 KR 100781915B1 KR 1020067020440 A KR1020067020440 A KR 1020067020440A KR 20067020440 A KR20067020440 A KR 20067020440A KR 100781915 B1 KR100781915 B1 KR 100781915B1
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KR
South Korea
Prior art keywords
diameter hole
large diameter
small diameter
initial stage
hole
Prior art date
Application number
KR1020067020440A
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English (en)
Korean (ko)
Other versions
KR20060122975A (ko
Inventor
마사아키 오기노
카즈히데 나카야
신고 하야시
히로유키 야노
Original Assignee
봇슈 가부시키가이샤
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.)
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Publication date
Application filed by 봇슈 가부시키가이샤 filed Critical 봇슈 가부시키가이샤
Publication of KR20060122975A publication Critical patent/KR20060122975A/ko
Application granted granted Critical
Publication of KR100781915B1 publication Critical patent/KR100781915B1/ko

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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
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0408—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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
KR1020067020440A 2004-03-05 2005-02-25 내연기관의 연료분사펌프 KR100781915B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2004-00061643 2004-03-05
JP2004061643A JP4098738B2 (ja) 2004-03-05 2004-03-05 内燃機関のための燃料噴射ポンプ

Publications (2)

Publication Number Publication Date
KR20060122975A KR20060122975A (ko) 2006-11-30
KR100781915B1 true KR100781915B1 (ko) 2007-12-04

Family

ID=34918078

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020067020440A KR100781915B1 (ko) 2004-03-05 2005-02-25 내연기관의 연료분사펌프

Country Status (5)

Country Link
EP (1) EP1722098A4 (zh)
JP (1) JP4098738B2 (zh)
KR (1) KR100781915B1 (zh)
CN (1) CN100443715C (zh)
WO (1) WO2005085626A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021207001A1 (de) 2021-07-05 2023-01-05 Robert Bosch Gesellschaft mit beschränkter Haftung Pumpe, insbesondere Kraftstoffeinspritzpumpe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0372211A1 (de) * 1988-11-26 1990-06-13 Robert Bosch Gmbh Kraftstoffeinspritzpumpe für Einspritzbrennkraftmaschinen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1576469C3 (de) * 1967-06-16 1975-06-05 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzpumpe für Brennkraftmaschinen
JPS59184369U (ja) * 1983-05-27 1984-12-07 株式会社ボッシュオートモーティブ　システム 列型燃料噴射ポンプ
JPS62126564U (zh) * 1986-02-03 1987-08-11
DE3902764C2 (de) * 1989-01-31 2002-10-17 Bosch Gmbh Robert Kraftstoffeinspritzpumpe
DK176162B1 (da) * 1997-04-21 2006-10-23 Man B & W Diesel As Brændstofpumpe til forbrændingsmotorer, især store langsomtgående marinedieselmotorer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0372211A1 (de) * 1988-11-26 1990-06-13 Robert Bosch Gmbh Kraftstoffeinspritzpumpe für Einspritzbrennkraftmaschinen

Also Published As

Publication number Publication date
JP4098738B2 (ja) 2008-06-11
JP2005248876A (ja) 2005-09-15
EP1722098A4 (en) 2010-01-20
EP1722098A1 (en) 2006-11-15
KR20060122975A (ko) 2006-11-30
CN100443715C (zh) 2008-12-17
CN1961146A (zh) 2007-05-09
WO2005085626A1 (ja) 2005-09-15

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