FR2965862B1 - HIGH PRESSURE INJECTION SYSTEM WITH TWO HIGH PRESSURE ACCUMULATORS - Google Patents

HIGH PRESSURE INJECTION SYSTEM WITH TWO HIGH PRESSURE ACCUMULATORS Download PDF

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Publication number
FR2965862B1
FR2965862B1 FR1158939A FR1158939A FR2965862B1 FR 2965862 B1 FR2965862 B1 FR 2965862B1 FR 1158939 A FR1158939 A FR 1158939A FR 1158939 A FR1158939 A FR 1158939A FR 2965862 B1 FR2965862 B1 FR 2965862B1
Authority
FR
France
Prior art keywords
high pressure
injection system
accumulators
pressure injection
pressure accumulators
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
FR1158939A
Other languages
French (fr)
Other versions
FR2965862A1 (en
Inventor
Francesco Lucarelli
Thomas Koenig
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 FR2965862A1 publication Critical patent/FR2965862A1/en
Application granted granted Critical
Publication of FR2965862B1 publication Critical patent/FR2965862B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F02M63/0275—Arrangement of common rails
    • F02M63/0285—Arrangement of common rails having more than one common rail
    • 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
    • F02M55/025—Common rails
    • 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
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0054—Check valves
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
    • 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
    • F02M2200/60—Fuel-injection apparatus having means for facilitating the starting of engines, e.g. with valves or fuel passages for keeping residual pressure in common rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
FR1158939A 2010-10-06 2011-10-04 HIGH PRESSURE INJECTION SYSTEM WITH TWO HIGH PRESSURE ACCUMULATORS Expired - Fee Related FR2965862B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010042081.6 2010-10-06
DE201010042081 DE102010042081A1 (en) 2010-10-06 2010-10-06 High-pressure injection system is provided with high-pressure accumulator with multiple injector connections and another high-pressure accumulator separated by valve

Publications (2)

Publication Number Publication Date
FR2965862A1 FR2965862A1 (en) 2012-04-13
FR2965862B1 true FR2965862B1 (en) 2018-11-16

Family

ID=45403039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158939A Expired - Fee Related FR2965862B1 (en) 2010-10-06 2011-10-04 HIGH PRESSURE INJECTION SYSTEM WITH TWO HIGH PRESSURE ACCUMULATORS

Country Status (3)

Country Link
CN (1) CN102444514A (en)
DE (1) DE102010042081A1 (en)
FR (1) FR2965862B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776500B (en) * 2022-04-25 2023-10-13 一汽解放汽车有限公司 High-pressure oil rail

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0868368A (en) * 1994-08-29 1996-03-12 Zexel Corp Pressure accumulation type fuel injection device
JP3531896B2 (en) * 1996-11-19 2004-05-31 日産ディーゼル工業株式会社 Common rail fuel injector
DE29814934U1 (en) 1998-08-20 2000-01-05 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
US6234128B1 (en) * 2000-03-13 2001-05-22 General Motors Corporation Fuel accumulator with pressure on demand
DE10114219A1 (en) 2001-03-23 2002-09-26 Bosch Gmbh Robert Fuel injection system has high pressure pump via which fuel injectors are supplied with fuel at high pressure and storage volume arranged immediately before each individual fuel injector
DE10218024A1 (en) * 2002-04-23 2003-11-06 Bosch Gmbh Robert Fuel injection device for an internal combustion engine
FR2878580B1 (en) * 2004-11-29 2009-06-05 Renault Sas COMMON FUEL SUPPLY RAIL WITH VARIABLE VOLUME
DE102006003639A1 (en) 2006-01-26 2007-08-02 Robert Bosch Gmbh Fuel-injection system used in multicylindered internal combustion engines comprises a volume in a high-pressure reservoir for damping pressure pulses between high-pressure reservoirs and between the reservoirs and a high-pressure pump
JP2008163806A (en) * 2006-12-27 2008-07-17 Toyota Motor Corp Fuel pressure accumulating device and fuel injection device
JP5012533B2 (en) * 2008-01-24 2012-08-29 トヨタ自動車株式会社 Control device for internal combustion engine
JP4947026B2 (en) * 2008-10-03 2012-06-06 トヨタ自動車株式会社 Fuel injection control device
DE102009028238A1 (en) 2009-08-05 2011-02-17 Robert Bosch Gmbh Volume reduced high pressure accumulator

Also Published As

Publication number Publication date
CN102444514A (en) 2012-05-09
DE102010042081A1 (en) 2012-01-19
FR2965862A1 (en) 2012-04-13

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