EP1411236A3 - Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine - Google Patents

Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine Download PDF

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Publication number
EP1411236A3
EP1411236A3 EP03015623A EP03015623A EP1411236A3 EP 1411236 A3 EP1411236 A3 EP 1411236A3 EP 03015623 A EP03015623 A EP 03015623A EP 03015623 A EP03015623 A EP 03015623A EP 1411236 A3 EP1411236 A3 EP 1411236A3
Authority
EP
European Patent Office
Prior art keywords
damping
pressure pulsations
combustion engine
internal combustion
fluid system
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.)
Granted
Application number
EP03015623A
Other languages
German (de)
French (fr)
Other versions
EP1411236A2 (en
EP1411236B1 (en
Inventor
Helmut Rembold
Wolfgang Bueser
Albrecht Baessler
Klaus Lang
Marcus Wuenning
Weidong Qi
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
Priority claimed from DE10327408.1A external-priority patent/DE10327408B4/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to EP10180742.8A priority Critical patent/EP2278151B1/en
Priority to EP10180722A priority patent/EP2278150B1/en
Priority to EP10180727A priority patent/EP2284384B1/en
Publication of EP1411236A2 publication Critical patent/EP1411236A2/en
Publication of EP1411236A3 publication Critical patent/EP1411236A3/en
Application granted granted Critical
Publication of EP1411236B1 publication Critical patent/EP1411236B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0041—Means for damping pressure pulsations
    • 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
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pipe Accessories (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Es wird eine Vorrichtung (36) vorgeschlagen, welche zum Dämpfen von Druckpulsationen in einem Fluidsystem (16) dient. Sie umfasst ein Gehäuse (38, 40) und mindestens einen Arbeitsraum (66), welcher mit dem Fluidsystem (16) kommuniziert. Innerhalb des Arbeitsraums (66) ist mindestens ein durch eine Membran (54a, 54b) dicht abgeschlossenes Gasvolumen (58) vorhanden.

Figure imgaf001
A device (36) is proposed which serves to damp pressure pulsations in a fluid system (16). It comprises a housing (38, 40) and at least one working space (66) which communicates with the fluid system (16). Within the working space (66) at least one through a membrane (54a, 54b) tightly closed gas volume (58) is present.
Figure imgaf001
EP03015623A 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine Expired - Lifetime EP1411236B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10180742.8A EP2278151B1 (en) 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine
EP10180722A EP2278150B1 (en) 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine
EP10180727A EP2284384B1 (en) 2002-10-19 2003-07-16 Device for damping pressure pulses in a fluid system, in particular a fuel system of a combustion engine

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10248822 2002-10-19
DE10248822 2002-10-19
DE10327408 2003-06-18
DE10327408.1A DE10327408B4 (en) 2002-10-19 2003-06-18 Device for damping pressure pulsations in a fuel system of an internal combustion engine

Related Child Applications (6)

Application Number Title Priority Date Filing Date
EP10180722A Division-Into EP2278150B1 (en) 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine
EP10180722A Division EP2278150B1 (en) 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine
EP10180742.8A Division-Into EP2278151B1 (en) 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine
EP10180742.8A Division EP2278151B1 (en) 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine
EP10180727A Division-Into EP2284384B1 (en) 2002-10-19 2003-07-16 Device for damping pressure pulses in a fluid system, in particular a fuel system of a combustion engine
EP10180727A Division EP2284384B1 (en) 2002-10-19 2003-07-16 Device for damping pressure pulses in a fluid system, in particular a fuel system of a combustion engine

Publications (3)

Publication Number Publication Date
EP1411236A2 EP1411236A2 (en) 2004-04-21
EP1411236A3 true EP1411236A3 (en) 2007-04-11
EP1411236B1 EP1411236B1 (en) 2012-10-10

Family

ID=32043977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03015623A Expired - Lifetime EP1411236B1 (en) 2002-10-19 2003-07-16 Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine

Country Status (2)

Country Link
EP (1) EP1411236B1 (en)
JP (1) JP4478431B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101311523B (en) * 2007-05-21 2012-09-05 株式会社日立制作所 Fluid pressure pulsation damper mechanism and high-pressure fuel pump equipped with fluid pressure pulsation damper mechanism

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JP4036153B2 (en) * 2003-07-22 2008-01-23 株式会社日立製作所 Damper mechanism and high-pressure fuel supply pump
DE10345725B4 (en) * 2003-10-01 2017-01-05 Robert Bosch Gmbh High-pressure fuel pump
DE102004034672A1 (en) * 2004-07-17 2006-02-16 Robert Bosch Gmbh Fuel injection device for an internal combustion engine
CH698080B1 (en) * 2004-08-04 2009-05-15 Luca Frediani Pulsation.
JP4650793B2 (en) * 2006-05-16 2011-03-16 株式会社デンソー Pulsation damper
DE102006027780A1 (en) * 2006-06-16 2007-12-20 Robert Bosch Gmbh fuel injector
JP4487265B2 (en) * 2006-07-11 2010-06-23 株式会社デンソー High pressure fuel pump
DE102008047303A1 (en) * 2008-02-18 2009-08-20 Continental Teves Ag & Co. Ohg Pulsationsdämpfungskapsel
JP5002523B2 (en) 2008-04-25 2012-08-15 日立オートモティブシステムズ株式会社 Fuel pressure pulsation reduction mechanism and high-pressure fuel supply pump for internal combustion engine equipped with the same
JP5146825B2 (en) * 2008-06-24 2013-02-20 株式会社デンソー Pulsation damper
DE102008043217A1 (en) * 2008-10-28 2010-04-29 Robert Bosch Gmbh High-pressure fuel pump for an internal combustion engine
JP5402004B2 (en) * 2009-01-14 2014-01-29 トヨタ自動車株式会社 Pulsation damper
JP2010185410A (en) * 2009-02-13 2010-08-26 Denso Corp Damper device and high pressure pump using the same
JP4726262B2 (en) * 2009-02-13 2011-07-20 株式会社デンソー Damper device and high-pressure pump using the same
JP4736142B2 (en) * 2009-02-18 2011-07-27 株式会社デンソー High pressure pump
JP4678065B2 (en) 2009-02-25 2011-04-27 株式会社デンソー Damper device, high-pressure pump using the same, and manufacturing method thereof
WO2010106645A1 (en) 2009-03-17 2010-09-23 トヨタ自動車 株式会社 Pulsation damper
IT1396142B1 (en) * 2009-11-03 2012-11-16 Magneti Marelli Spa FUEL PUMP WITH DAMPENER PERFECTED FOR A DIRECT INJECTION SYSTEM
JP5231380B2 (en) * 2009-11-09 2013-07-10 株式会社デンソー Damper assembly, high-pressure pump using the same, and method for manufacturing high-pressure pump
JP5327071B2 (en) * 2009-11-09 2013-10-30 株式会社デンソー High pressure pump
DE102010030626A1 (en) * 2010-06-29 2011-12-29 Robert Bosch Gmbh Pulsation damper element for a fluid pump and associated fluid pump
JP5445441B2 (en) * 2010-12-23 2014-03-19 株式会社デンソー High pressure pump
CN102619660B (en) 2011-01-28 2015-06-24 株式会社电装 High pressure pump
JP5682335B2 (en) * 2011-01-28 2015-03-11 株式会社デンソー High pressure pump
JP2012184757A (en) * 2011-03-08 2012-09-27 Denso Corp Damper device and high-pressure pump having the same
JP5644615B2 (en) * 2011-03-22 2014-12-24 株式会社デンソー Pulsation damper and high-pressure pump equipped with the same
JP5382551B2 (en) 2011-03-31 2014-01-08 株式会社デンソー High pressure pump
JP5628121B2 (en) * 2011-09-20 2014-11-19 日立オートモティブシステムズ株式会社 High pressure fuel supply pump
JP5821769B2 (en) 2012-04-24 2015-11-24 株式会社デンソー Damper device
JP5979606B2 (en) 2012-10-04 2016-08-24 イーグル工業株式会社 Diaphragm damper
DE102013218878A1 (en) * 2013-09-19 2015-03-19 Robert Bosch Gmbh Fluid delivery system
DE102013219428A1 (en) 2013-09-26 2015-03-26 Continental Automotive Gmbh Damper for a high-pressure pump
DE102014219997A1 (en) 2014-10-02 2016-04-07 Robert Bosch Gmbh Diaphragm can for damping pressure pulsations in a low-pressure region of a piston pump
JP2015017619A (en) * 2014-10-27 2015-01-29 株式会社デンソー High pressure pump
JP5892397B2 (en) * 2014-10-30 2016-03-23 株式会社デンソー Pulsation damper
JP6432441B2 (en) * 2014-11-20 2018-12-05 株式会社デンソー High pressure pump
JP6527689B2 (en) * 2014-12-12 2019-06-05 株式会社不二工機 Diaphragm and pulsation damper using the same
JP6012785B2 (en) * 2015-01-30 2016-10-25 日立オートモティブシステムズ株式会社 Fuel pressure pulsation reduction mechanism and high-pressure fuel supply pump for internal combustion engine equipped with the same
JP6534832B2 (en) 2015-03-06 2019-06-26 株式会社ケーヒン Fuel supply device and bellows type damper
JP6518120B2 (en) * 2015-04-22 2019-05-22 イーグル ジムラックス ベー．フェー． Fuel injection system and damper used therein
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DE102016201082B4 (en) * 2016-01-26 2017-10-05 Continental Automotive Gmbh High-pressure fuel pump
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JP6111358B2 (en) * 2016-03-28 2017-04-05 日立オートモティブシステムズ株式会社 High pressure fuel supply pump
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JP6600410B2 (en) * 2016-05-13 2019-10-30 日立オートモティブシステムズ株式会社 Pressure pulsation reducing device and pulsation damping member for hydraulic system
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NL1016384C2 (en) * 2000-10-11 2002-04-12 Helvoet B V Device for damping pressure fluctuations in fuel flow through conduit comprises housing with space divided by membrane into at least first and second chambers

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DE3152861A1 (en) * 1981-05-14 1983-08-18 Robert Bosch Gmbh, 7000 Stuttgart Damper element
DE19539885A1 (en) * 1995-05-26 1996-11-28 Bosch Gmbh Robert Fuel supply system for IC engine
NL1016384C2 (en) * 2000-10-11 2002-04-12 Helvoet B V Device for damping pressure fluctuations in fuel flow through conduit comprises housing with space divided by membrane into at least first and second chambers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101311523B (en) * 2007-05-21 2012-09-05 株式会社日立制作所 Fluid pressure pulsation damper mechanism and high-pressure fuel pump equipped with fluid pressure pulsation damper mechanism

Also Published As

Publication number Publication date
EP1411236A2 (en) 2004-04-21
JP4478431B2 (en) 2010-06-09
EP1411236B1 (en) 2012-10-10
JP2004138071A (en) 2004-05-13

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