IT1308328B1 - Stadio di pressione per regolare la quantita' di carburante dipreiniezione in motori a combustione interna, in particolare in motori - Google Patents

Stadio di pressione per regolare la quantita' di carburante dipreiniezione in motori a combustione interna, in particolare in motori

Info

Publication number
IT1308328B1
IT1308328B1 IT1999RM000621A ITRM990621A IT1308328B1 IT 1308328 B1 IT1308328 B1 IT 1308328B1 IT 1999RM000621 A IT1999RM000621 A IT 1999RM000621A IT RM990621 A ITRM990621 A IT RM990621A IT 1308328 B1 IT1308328 B1 IT 1308328B1
Authority
IT
Italy
Prior art keywords
engines
dipreinjection
fuel
adjust
internal combustion
Prior art date
Application number
IT1999RM000621A
Other languages
English (en)
Inventor
Bernd Niethammer
Steffen Martin
Martin Lenk
Original Assignee
Hydraulik Ring 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 Hydraulik Ring Gmbh filed Critical Hydraulik Ring Gmbh
Publication of ITRM990621A0 publication Critical patent/ITRM990621A0/it
Publication of ITRM990621A1 publication Critical patent/ITRM990621A1/it
Application granted granted Critical
Publication of IT1308328B1 publication Critical patent/IT1308328B1/it

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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • 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
    • F02M45/063—Delivery stroke of piston being divided into two or more parts, e.g. by using specially shaped cams
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
IT1999RM000621A 1998-10-23 1999-10-11 Stadio di pressione per regolare la quantita' di carburante dipreiniezione in motori a combustione interna, in particolare in motori IT1308328B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19848904A DE19848904A1 (de) 1998-10-23 1998-10-23 Druckstufe zur Regulierung einer Voreinspritzmenge von Kraftstoff in Verbrennungsmotoren, vorzugsweise in Dieselmotoren

Publications (3)

Publication Number Publication Date
ITRM990621A0 ITRM990621A0 (it) 1999-10-11
ITRM990621A1 ITRM990621A1 (it) 2001-04-11
IT1308328B1 true IT1308328B1 (it) 2001-12-11

Family

ID=7885402

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999RM000621A IT1308328B1 (it) 1998-10-23 1999-10-11 Stadio di pressione per regolare la quantita' di carburante dipreiniezione in motori a combustione interna, in particolare in motori

Country Status (3)

Country Link
US (1) US6279543B1 (it)
DE (1) DE19848904A1 (it)
IT (1) IT1308328B1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10126685A1 (de) * 2001-06-01 2002-12-19 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckverstärker
DE10159479A1 (de) * 2001-12-04 2003-06-18 Daimler Chrysler Ag Verfahren zum Betrieb einer Brennkraftmaschine
WO2003087566A1 (de) * 2002-04-11 2003-10-23 Siemens Aktiengesellschaft Einspritzeinrichtung für brennkraftmaschinen mit einem steuerventil und ventil zum steuern der kraftstoffzufuhr in einer einspritzeinrichtung
DE10251679A1 (de) * 2002-11-07 2004-05-19 Robert Bosch Gmbh Druckverstärker mit hubabhängiger Bedämpfung
US9016601B2 (en) * 2007-05-18 2015-04-28 Siemens Aktiengesellschaft Fuel distributor
US7707993B2 (en) * 2008-06-24 2010-05-04 Caterpillar Inc. Electronic pressure relief in a mechanically actuated fuel injector
US20120180761A1 (en) * 2009-09-17 2012-07-19 International Engine Intellectual Property Company High-pressure unit fuel injector
JP2014020354A (ja) * 2012-07-24 2014-02-03 Yamaha Motor Co Ltd 燃料供給装置及び船外機

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2885076B2 (ja) * 1994-07-08 1999-04-19 三菱自動車工業株式会社 蓄圧式燃料噴射装置
US5687693A (en) * 1994-07-29 1997-11-18 Caterpillar Inc. Hydraulically-actuated fuel injector with direct control needle valve
US5720261A (en) * 1994-12-01 1998-02-24 Oded E. Sturman Valve controller systems and methods and fuel injection systems utilizing the same
JPH08158981A (ja) * 1994-12-02 1996-06-18 Nippondenso Co Ltd 燃料噴射装置
AT1628U1 (de) * 1995-03-30 1997-08-25 Avl Verbrennungskraft Messtech Einspritzeinrichtung für eine brennkraftmaschine mit direkteinspritzung
US6112721A (en) * 1996-08-29 2000-09-05 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Fuel injection device
US5878720A (en) * 1997-02-26 1999-03-09 Caterpillar Inc. Hydraulically actuated fuel injector with proportional control
US5865156A (en) * 1997-12-03 1999-02-02 Caterpillar Inc. Actuator which uses fluctuating pressure from an oil pump that powers a hydraulically actuated fuel injector

Also Published As

Publication number Publication date
ITRM990621A0 (it) 1999-10-11
ITRM990621A1 (it) 2001-04-11
DE19848904A1 (de) 2000-04-27
US6279543B1 (en) 2001-08-28

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