FR2624915B1 - Unite d'injection de carburant pour moteurs a combustion interne comprenant sur le piston de fermeture, une des deux surfaces qui est plus petite que l'autre - Google Patents

Unite d'injection de carburant pour moteurs a combustion interne comprenant sur le piston de fermeture, une des deux surfaces qui est plus petite que l'autre

Info

Publication number
FR2624915B1
FR2624915B1 FR8816543A FR8816543A FR2624915B1 FR 2624915 B1 FR2624915 B1 FR 2624915B1 FR 8816543 A FR8816543 A FR 8816543A FR 8816543 A FR8816543 A FR 8816543A FR 2624915 B1 FR2624915 B1 FR 2624915B1
Authority
FR
France
Prior art keywords
smaller
internal combustion
fuel injection
combustion engines
injection unit
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 - Fee Related
Application number
FR8816543A
Other languages
English (en)
Other versions
FR2624915A1 (fr
Inventor
Konrad Eckert
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2624915A1 publication Critical patent/FR2624915A1/fr
Application granted granted Critical
Publication of FR2624915B1 publication Critical patent/FR2624915B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
    • F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
    • F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
    • F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
    • F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
    • F02M41/125—Variably-timed valves controlling fuel passages
    • F02M41/126—Variably-timed valves controlling fuel passages valves being mechanically or electrically adjustable sleeves slidably mounted on rotary 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/06—Pumps peculiar thereto
    • 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
    • F02M2200/24—Fuel-injection apparatus with sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
FR8816543A 1987-12-22 1988-12-15 Unite d'injection de carburant pour moteurs a combustion interne comprenant sur le piston de fermeture, une des deux surfaces qui est plus petite que l'autre Expired - Fee Related FR2624915B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873743532 DE3743532A1 (de) 1987-12-22 1987-12-22 Kraftstoffeinspritzanlage fuer brennkraftmaschinen

Publications (2)

Publication Number Publication Date
FR2624915A1 FR2624915A1 (fr) 1989-06-23
FR2624915B1 true FR2624915B1 (fr) 1993-06-11

Family

ID=6343269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8816543A Expired - Fee Related FR2624915B1 (fr) 1987-12-22 1988-12-15 Unite d'injection de carburant pour moteurs a combustion interne comprenant sur le piston de fermeture, une des deux surfaces qui est plus petite que l'autre

Country Status (5)

Country Link
US (1) US5025768A (fr)
JP (1) JPH01200057A (fr)
DE (1) DE3743532A1 (fr)
FR (1) FR2624915B1 (fr)
GB (1) GB2212225B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339724A (en) * 1991-03-05 1994-08-23 Wartsila Diesel International Ltd. Oy Arrangement for the lubrication of the piston member of a fuel injection pump
US5669355A (en) * 1994-07-29 1997-09-23 Caterpillar Inc. Hydraulically-actuated fuel injector with direct control needle valve
US5954487A (en) * 1995-06-23 1999-09-21 Diesel Technology Company Fuel pump control valve assembly
US5682858A (en) * 1996-10-22 1997-11-04 Caterpillar Inc. Hydraulically-actuated fuel injector with pressure spike relief valve
US6019091A (en) * 1998-08-13 2000-02-01 Diesel Technology Company Control valve
US6158419A (en) * 1999-03-10 2000-12-12 Diesel Technology Company Control valve assembly for pumps and injectors
US6089470A (en) * 1999-03-10 2000-07-18 Diesel Technology Company Control valve assembly for pumps and injectors
DE19928846A1 (de) * 1999-06-24 2001-03-08 Bosch Gmbh Robert Common-Rail-Injektor
US6450778B1 (en) 2000-12-07 2002-09-17 Diesel Technology Company Pump system with high pressure restriction
DE10155718C2 (de) * 2001-11-13 2003-09-18 Hermann Golle Einspritzsystem für Dieselmotoren
DE10222895A1 (de) * 2002-05-23 2003-12-11 Bosch Gmbh Robert Hochdruckspeicher für Kraftstoffeinspritzsysteme mit integriertem Druckregelventil
ITBO20040322A1 (it) * 2004-05-20 2004-08-20 Magneti Marelli Powertrain Spa Metodo ed impianto per l'iniezione diretta di carburante in un motore a combustione interna
US7540271B2 (en) * 2007-04-25 2009-06-02 Advanced Global Equities And Intellectual Properties, Inc. Fuel injection lubrication mechanism for continuous self lubrication of a fuel injector

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB748243A (en) * 1953-12-23 1956-04-25 Cav Ltd Liquid fuel injection pumps for internal combustion engines
FR1495537A (fr) * 1966-08-01 1967-09-22 Peugeot Perfectionnements aux dispositifs d'injection de combustible pour moteurs à combustion interne à allumage par compression
DE3011097A1 (de) * 1980-03-22 1981-10-01 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage fuer selbstzuendende brennkraftmaschinen
JPS58149566U (ja) * 1982-03-31 1983-10-07 株式会社デンソー 分配型燃料噴射ポンプ
JPS5951139A (ja) * 1982-09-17 1984-03-24 Nippon Soken Inc 燃料供給装置
IT1182446B (it) * 1985-02-15 1987-10-05 Weber Spa Azienda Altegna Pompa di iniezione del combustibile per motori a ciclo diesel per autoveicoli con regolazione della portata e dell anticipo di iniezione asservita alla pressione di alimentazione
JPH0692743B2 (ja) * 1985-04-01 1994-11-16 日本電装株式会社 流体制御用電磁弁
DE3602713A1 (de) * 1986-01-30 1987-08-06 Bosch Gmbh Robert Kraftstoffeinspritzpumpe fuer brennkraftmaschinen
JPH07122422B2 (ja) * 1986-05-02 1995-12-25 日本電装株式会社 燃料噴射装置

Also Published As

Publication number Publication date
GB2212225A (en) 1989-07-19
DE3743532A1 (de) 1989-07-06
JPH01200057A (ja) 1989-08-11
US5025768A (en) 1991-06-25
GB2212225B (en) 1992-01-08
FR2624915A1 (fr) 1989-06-23
GB8829582D0 (en) 1989-02-08

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Legal Events

Date Code Title Description
ST Notification of lapse