CN111648894A - 压力控制装置 - Google Patents

压力控制装置 Download PDF

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Publication number
CN111648894A
CN111648894A CN202010134223.2A CN202010134223A CN111648894A CN 111648894 A CN111648894 A CN 111648894A CN 202010134223 A CN202010134223 A CN 202010134223A CN 111648894 A CN111648894 A CN 111648894A
Authority
CN
China
Prior art keywords
orifice
passage
pressure
fuel
flow rate
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.)
Pending
Application number
CN202010134223.2A
Other languages
English (en)
Chinese (zh)
Inventor
西胁正
久野耕平
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of CN111648894A publication Critical patent/CN111648894A/zh
Pending legal-status Critical Current

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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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • 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
    • F02M63/005—Pressure relief 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
    • 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
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • 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
    • F02M63/023—Means for varying pressure in common rails
    • F02M63/026—Means for reducing the pressure in common rails at power off
    • 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
    • F02M2200/27—Fuel-injection apparatus with filters
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
CN202010134223.2A 2019-03-04 2020-03-02 压力控制装置 Pending CN111648894A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-038631 2019-03-04
JP2019038631A JP2020143584A (ja) 2019-03-04 2019-03-04 圧力調整装置

Publications (1)

Publication Number Publication Date
CN111648894A true CN111648894A (zh) 2020-09-11

Family

ID=72146780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010134223.2A Pending CN111648894A (zh) 2019-03-04 2020-03-02 压力控制装置

Country Status (3)

Country Link
JP (1) JP2020143584A (de)
CN (1) CN111648894A (de)
DE (1) DE102020103956A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220136473A1 (en) * 2020-10-30 2022-05-05 Caterpillar Inc. Filtration device for a common rail fuel injector
CN114439662B (zh) * 2022-02-22 2023-04-18 一汽解放汽车有限公司 一种切换阀及共轨系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4919167A (en) * 1989-03-17 1990-04-24 Manska Wayne E Check valve
JP2001050615A (ja) * 1999-08-06 2001-02-23 Mitsubishi Electric Corp 絞り装置
US20030010845A1 (en) * 2001-07-13 2003-01-16 Carroll John T. Rate shaping fuel injector with limited throttling
EP1435455A1 (de) * 2002-12-30 2004-07-07 Robert Bosch Gmbh Dämpfungselement für einen Hochdruckspeicher
EP2273099A1 (de) * 2009-06-17 2011-01-12 Delphi Technologies, Inc. Kraftstoffeinspritzer und Spielausgleich
US20120251366A1 (en) * 2011-03-31 2012-10-04 Denso Corporation High-pressure pump
US20120325926A1 (en) * 2011-06-23 2012-12-27 Moore Bryan D Fuel injector having reduced armature cavity pressure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11107884A (ja) * 1997-10-01 1999-04-20 Denso Corp 流量制御装置及びそれを用いた蓄圧式燃料噴射装置
DE19822671A1 (de) * 1998-05-20 1999-11-25 Bosch Gmbh Robert Druckbegrenzungsventil
US6142127A (en) * 1999-01-25 2000-11-07 Siemens Automotive Corporation Restriction structure for reducing gas formation in a high pressure fuel return line
JP2004197834A (ja) * 2002-12-18 2004-07-15 Bosch Automotive Systems Corp 圧力リリーフ装置及びこれを用いた蓄圧式燃料供給システム
DE10328000A1 (de) * 2003-06-21 2005-01-13 Robert Bosch Gmbh Kraftstoffeinspritzanlage mit verringerten Druckschwingungen im Rücklaufrail
JP5282195B2 (ja) * 2008-04-21 2013-09-04 Ｓｍｃ株式会社 流体圧機器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4919167A (en) * 1989-03-17 1990-04-24 Manska Wayne E Check valve
JP2001050615A (ja) * 1999-08-06 2001-02-23 Mitsubishi Electric Corp 絞り装置
US20030010845A1 (en) * 2001-07-13 2003-01-16 Carroll John T. Rate shaping fuel injector with limited throttling
EP1435455A1 (de) * 2002-12-30 2004-07-07 Robert Bosch Gmbh Dämpfungselement für einen Hochdruckspeicher
EP2273099A1 (de) * 2009-06-17 2011-01-12 Delphi Technologies, Inc. Kraftstoffeinspritzer und Spielausgleich
US20120251366A1 (en) * 2011-03-31 2012-10-04 Denso Corporation High-pressure pump
US20120325926A1 (en) * 2011-06-23 2012-12-27 Moore Bryan D Fuel injector having reduced armature cavity pressure

Also Published As

Publication number Publication date
JP2020143584A (ja) 2020-09-10
DE102020103956A1 (de) 2020-09-10

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Effective date of abandoning: 20230929