DE102004002088A1 - Druckgesteuerter CR-Injektor zur Kraftstoff-Einspritzung in Brennräume von Brennkraftmaschinen, insbesondere Dieselmotoren - Google Patents

Druckgesteuerter CR-Injektor zur Kraftstoff-Einspritzung in Brennräume von Brennkraftmaschinen, insbesondere Dieselmotoren Download PDF

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Publication number
DE102004002088A1
DE102004002088A1 DE200410002088 DE102004002088A DE102004002088A1 DE 102004002088 A1 DE102004002088 A1 DE 102004002088A1 DE 200410002088 DE200410002088 DE 200410002088 DE 102004002088 A DE102004002088 A DE 102004002088A DE 102004002088 A1 DE102004002088 A1 DE 102004002088A1
Authority
DE
Germany
Prior art keywords
valve body
pressure
nozzle
injector according
servo 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.)
Withdrawn
Application number
DE200410002088
Other languages
German (de)
English (en)
Inventor
Matthias Eisenmenger
Hans-Christoph Magel
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 DE200410002088 priority Critical patent/DE102004002088A1/de
Priority to ITMI20050025 priority patent/ITMI20050025A1/it
Priority to FR0550121A priority patent/FR2865242A1/fr
Publication of DE102004002088A1 publication Critical patent/DE102004002088A1/de
Withdrawn legal-status Critical Current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
    • 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
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
DE200410002088 2004-01-15 2004-01-15 Druckgesteuerter CR-Injektor zur Kraftstoff-Einspritzung in Brennräume von Brennkraftmaschinen, insbesondere Dieselmotoren Withdrawn DE102004002088A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE200410002088 DE102004002088A1 (de) 2004-01-15 2004-01-15 Druckgesteuerter CR-Injektor zur Kraftstoff-Einspritzung in Brennräume von Brennkraftmaschinen, insbesondere Dieselmotoren
ITMI20050025 ITMI20050025A1 (it) 2004-01-15 2005-01-12 Iniettore common-rail comandato dalla pressione per i iettare carburante in camere di scoppio di motore a combustione interna specialmente di motori diesel
FR0550121A FR2865242A1 (fr) 2004-01-15 2005-01-14 Injecteur de rampe commune commande en pression pour des moteurs a combustion interne, notamment des moteurs diesel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410002088 DE102004002088A1 (de) 2004-01-15 2004-01-15 Druckgesteuerter CR-Injektor zur Kraftstoff-Einspritzung in Brennräume von Brennkraftmaschinen, insbesondere Dieselmotoren

Publications (1)

Publication Number Publication Date
DE102004002088A1 true DE102004002088A1 (de) 2005-08-04

Family

ID=34706803

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200410002088 Withdrawn DE102004002088A1 (de) 2004-01-15 2004-01-15 Druckgesteuerter CR-Injektor zur Kraftstoff-Einspritzung in Brennräume von Brennkraftmaschinen, insbesondere Dieselmotoren

Country Status (3)

Country Link
DE (1) DE102004002088A1 (fr)
FR (1) FR2865242A1 (fr)
IT (1) ITMI20050025A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4406901C2 (de) * 1994-03-03 1998-03-19 Daimler Benz Ag Magnetventilgesteuerter Injektor für eine Brennkraftmaschine
DE19709794A1 (de) * 1997-03-10 1998-09-17 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
US6364282B1 (en) * 1998-12-04 2002-04-02 Caterpillar Inc. Hydraulically actuated fuel injector with seated pin actuator
DE10315016A1 (de) * 2003-04-02 2004-10-28 Robert Bosch Gmbh Kraftstoffinjektor mit leckagefreiem Servoventil

Also Published As

Publication number Publication date
FR2865242A1 (fr) 2005-07-22
ITMI20050025A1 (it) 2005-07-16

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee