DE19738804B4 - Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen - Google Patents

Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen Download PDF

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Publication number
DE19738804B4
DE19738804B4 DE1997138804 DE19738804A DE19738804B4 DE 19738804 B4 DE19738804 B4 DE 19738804B4 DE 1997138804 DE1997138804 DE 1997138804 DE 19738804 A DE19738804 A DE 19738804A DE 19738804 B4 DE19738804 B4 DE 19738804B4
Authority
DE
Germany
Prior art keywords
pressure
fuel injection
stepped piston
face
piston
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
DE1997138804
Other languages
German (de)
English (en)
Other versions
DE19738804A1 (de
Inventor
Karl Hofmann
Walter Dr. Egler
Joerg Schmidt
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
Priority to DE1997138804 priority Critical patent/DE19738804B4/de
Priority to GB9817918A priority patent/GB2328984B/en
Priority to FR9810963A priority patent/FR2768185A1/fr
Priority to JP10252479A priority patent/JPH11159413A/ja
Publication of DE19738804A1 publication Critical patent/DE19738804A1/de
Application granted granted Critical
Publication of DE19738804B4 publication Critical patent/DE19738804B4/de
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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • F02M57/026—Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • 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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
    • 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
    • F02M59/32—Varying fuel delivery in quantity or timing fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection
    • 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
    • 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
    • F02M59/46—Valves
    • F02M59/462—Delivery valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE1997138804 1997-09-05 1997-09-05 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen Expired - Fee Related DE19738804B4 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1997138804 DE19738804B4 (de) 1997-09-05 1997-09-05 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
GB9817918A GB2328984B (en) 1997-09-05 1998-08-18 Fuel-injection device for internal combustion engines
FR9810963A FR2768185A1 (fr) 1997-09-05 1998-09-02 Installation d'injection de carburant pour un moteur a combustion interne
JP10252479A JPH11159413A (ja) 1997-09-05 1998-09-07 内燃機関に用いられる燃料噴射装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997138804 DE19738804B4 (de) 1997-09-05 1997-09-05 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen

Publications (2)

Publication Number Publication Date
DE19738804A1 DE19738804A1 (de) 1999-03-11
DE19738804B4 true DE19738804B4 (de) 2004-07-22

Family

ID=7841265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997138804 Expired - Fee Related DE19738804B4 (de) 1997-09-05 1997-09-05 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen

Country Status (4)

Country Link
JP (1) JPH11159413A (fr)
DE (1) DE19738804B4 (fr)
FR (1) FR2768185A1 (fr)
GB (1) GB2328984B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19945785B4 (de) 1999-09-24 2010-10-07 Robert Bosch Gmbh Kraftstoffeinspritzsystem für Brennkraftmaschinen und Verfahren zum Einspritzen von Kraftstoff in den Brennraum einer Brennkraftmaschine
DE19949848A1 (de) * 1999-10-15 2001-04-19 Bosch Gmbh Robert Druckübersetzer für ein Kraftstoffeinspritzsystem für Brennkraftmaschinen
DE10148650C1 (de) * 2001-10-02 2002-12-12 Bosch Gmbh Robert Kraftstoff-Einspritzsystem für eine Brennkraftmaschine mit Direkteinspritzung
DE10239429A1 (de) * 2002-08-28 2004-03-11 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
WO2006091392A1 (fr) * 2005-02-22 2006-08-31 Siemens Vdo Automotive Corporation Systeme a rampe commune avec amplification de pression
AT511715B1 (de) * 2012-01-27 2013-02-15 Bosch Gmbh Robert Berührungsloses füllstück für hinterschnittene hohlräume

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113318A (en) * 1981-12-24 1983-08-03 Lucas Ind Plc Fuel system for compression ignition engine
DE4118237A1 (de) * 1990-06-08 1991-12-12 Avl Verbrennungskraft Messtech Einspritzsystem fuer brennkraftmaschinen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755222A1 (de) * 1977-12-10 1979-06-13 Volkswagenwerk Ag Kraftstoffeinspritzeinrichtung, insbesondere fuer dieselbrennkraftmaschinen
DE3629754C2 (de) * 1986-09-01 1994-07-14 Bosch Gmbh Robert Vorrichtung zur Erzeugung von Voreinspritzungen bei Pumpedüsen
US5181494A (en) * 1991-10-11 1993-01-26 Caterpillar, Inc. Hydraulically-actuated electronically-controlled unit injector having stroke-controlled piston and methods of operation
DE4427607C1 (de) * 1994-08-04 1995-09-14 Mtu Friedrichshafen Gmbh Mengenbegrenzungseinrichtung
AT1628U1 (de) * 1995-03-30 1997-08-25 Avl Verbrennungskraft Messtech Einspritzeinrichtung für eine brennkraftmaschine mit direkteinspritzung
US5655501A (en) * 1996-05-09 1997-08-12 Caterpillar Inc. Rate shaping plunger/piston assembly for a hydraulically actuated fuel injector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113318A (en) * 1981-12-24 1983-08-03 Lucas Ind Plc Fuel system for compression ignition engine
DE4118237A1 (de) * 1990-06-08 1991-12-12 Avl Verbrennungskraft Messtech Einspritzsystem fuer brennkraftmaschinen

Also Published As

Publication number Publication date
GB9817918D0 (en) 1998-10-14
GB2328984A (en) 1999-03-10
GB2328984B (en) 1999-08-18
JPH11159413A (ja) 1999-06-15
DE19738804A1 (de) 1999-03-11
FR2768185A1 (fr) 1999-03-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: F02M 59/16

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee