EP2635791A1 - Système d'injection de carburant d'un moteur à combustion interne - Google Patents

Système d'injection de carburant d'un moteur à combustion interne

Info

Publication number
EP2635791A1
EP2635791A1 EP11757896.3A EP11757896A EP2635791A1 EP 2635791 A1 EP2635791 A1 EP 2635791A1 EP 11757896 A EP11757896 A EP 11757896A EP 2635791 A1 EP2635791 A1 EP 2635791A1
Authority
EP
European Patent Office
Prior art keywords
fuel injection
injection system
pump
throttle
valve
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
EP11757896.3A
Other languages
German (de)
English (en)
Other versions
EP2635791B1 (fr
Inventor
Achim Koehler
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 EP2635791A1 publication Critical patent/EP2635791A1/fr
Application granted granted Critical
Publication of EP2635791B1 publication Critical patent/EP2635791B1/fr
Active 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
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/205—Quantity of fuel admitted to pumping elements being metered by an auxiliary metering device
    • 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
    • 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
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
    • 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
    • F02M37/0023—Valves in the fuel supply and return system
    • F02M37/0029—Pressure regulator in the low pressure fuel system

Definitions

  • the single figure shows a schematic representation of the interaction of the essential components of a fuel injection system according to the invention.
  • a pre-pressure pump 1 is from a tank 2 fuel via a filter device in a
  • the amount of fuel to be supplied to the pump working chamber 9 is arbitrarily adjustable, for example, as a function of a pressure in a high-pressure accumulator.
  • the fuel introduced into the pump working chamber is conveyed via a high-pressure line 11 into the high-pressure accumulator. A necessary for this promotion

Abstract

L'invention concerne un système d'injection de carburant d'un moteur à combustion interne, comprenant un réservoir (2) qui est relié à un espace intérieur (3) d'une pompe haute pression (5) par l'intermédiaire d'une pompe de pression préalable (1 ), ledit espace interne (3) étant relié à un espace de travail (9) de la pompe (5) par l'intermédiaire d'une unité de dosage (10); et ledit espace interne (3) étant en liaison hydraulique avec une conduite de débit de retour (7) par l'intermédiaire d'une soupape de trop-plein (16) qui présente un carter de soupape (17), un piston de soupape (18) et un ressort de soupape (19) disposé dans une chambre de ressorts (15). L'invention est caractérisée en ce que la chambre de ressorts (15) est reliée par l'intermédiaire d'un circuit d'étranglement à l'espace hydraulique qui est couplé par l'unité de dosage (10). L'invention propose un système d'injection de carburant dont la pression de remplissage d'un espace de travail (9) de la pompe (5) peut être réglée en fonction du débit d'injection. A cet effet, la chambre de ressorts (15) est reliée, par l'intermédiaire d'un circuit d'étranglement, à l'espace hydraulique qui est couplé par l'unité de dosage (10).
EP11757896.3A 2010-11-05 2011-09-21 Système d'injection de carburant d'un moteur à combustion interne Active EP2635791B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010043439A DE102010043439A1 (de) 2010-11-05 2010-11-05 Kraftstoffeinspritzsystem einer Brennkraftmaschine
PCT/EP2011/066401 WO2012059267A1 (fr) 2010-11-05 2011-09-21 Système d'injection de carburant d'un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP2635791A1 true EP2635791A1 (fr) 2013-09-11
EP2635791B1 EP2635791B1 (fr) 2015-01-07

Family

ID=44653344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11757896.3A Active EP2635791B1 (fr) 2010-11-05 2011-09-21 Système d'injection de carburant d'un moteur à combustion interne

Country Status (7)

Country Link
EP (1) EP2635791B1 (fr)
JP (1) JP5727617B2 (fr)
KR (1) KR101900965B1 (fr)
CN (1) CN103201495B (fr)
DE (1) DE102010043439A1 (fr)
RU (1) RU2573068C2 (fr)
WO (1) WO2012059267A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9599082B2 (en) 2013-02-12 2017-03-21 Ford Global Technologies, Llc Direct injection fuel pump
US9422898B2 (en) 2013-02-12 2016-08-23 Ford Global Technologies, Llc Direct injection fuel pump
US9429124B2 (en) 2013-02-12 2016-08-30 Ford Global Technologies, Llc Direct injection fuel pump
DE102013212145A1 (de) * 2013-06-25 2015-01-08 Robert Bosch Gmbh Pumpe
DE102013226649A1 (de) 2013-12-19 2015-06-25 Robert Bosch Gmbh Kraftstoffversorgungseinrichtung eines Kraftstoffeinspritzsystems einer Brennkraftmaschine sowie Überströmventil dazu
US9683512B2 (en) 2014-05-23 2017-06-20 Ford Global Technologies, Llc Pressure device to reduce ticking noise during engine idling
DE102014223240A1 (de) * 2014-11-14 2016-05-19 Robert Bosch Gmbh Niederdruckregelsystem einer Kraftstofffördereinrichtung eines Kraftstoffeinspritzsystems sowie ein Absteuerventil dazu
DE102014223788A1 (de) * 2014-11-21 2016-05-25 Robert Bosch Gmbh Drucksteuereinrichtung insbesondere für eine ein Fluid fördernde Hochdruckpumpe
DE102018211338A1 (de) * 2018-07-10 2020-01-16 Robert Bosch Gmbh Kraftstofffördereinrichtung für kryogene Kraftstoffe und Verfahren zum Betreiben einer Kraftstofffördereinrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2071572C1 (ru) * 1992-10-15 1997-01-10 Ефим Яковлевич Мошинский Топливный насос высокого давления
DE19846157A1 (de) * 1998-10-07 2000-04-13 Bosch Gmbh Robert Pumpenanordnung zur Kraftstoffhochdruckerzeugung
JP3709755B2 (ja) * 1999-12-08 2005-10-26 日産自動車株式会社 内燃機関の燃料供給装置
DE10100700C1 (de) * 2001-01-10 2002-08-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem mit Druckregelung in der Rücklaufleitung
RU2241850C2 (ru) * 2002-12-31 2004-12-10 Мошинский Ефим Яковлевич Топливная система
WO2005075813A1 (fr) * 2004-02-06 2005-08-18 Bosch Corporation Dispositif d’alimentation en carburant
DE102005033638A1 (de) * 2005-07-19 2007-01-25 Robert Bosch Gmbh Kraftstoff-Fördereinrichtung, insbesondere für eine Brennkraftmaschine
DE102006027486A1 (de) * 2006-06-14 2007-12-20 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE102007052665A1 (de) * 2007-11-05 2009-05-07 Robert Bosch Gmbh Kraftstoffüberströmventil für eine Kraftstoffeinspritzeinrichtung und Kraftstoffeinspritzeinrichtung mit Kraftstoffüberströmventil
US20090211556A1 (en) * 2008-02-25 2009-08-27 Perkins Engines Company Limited System for maintaining a pump inlet pressure
DE102008042089A1 (de) 2008-09-15 2010-03-18 Robert Bosch Gmbh Überströmventil für die Zuleitung des Zumessventils der Einspritzpumpe einer Verbrennungskraftmaschine
DE102009001563A1 (de) * 2009-03-16 2010-09-23 Robert Bosch Gmbh Hochdruckpumpe
JP5464649B2 (ja) * 2009-09-07 2014-04-09 ボッシュ株式会社 内燃機関の制御装置
WO2011048827A1 (fr) 2009-10-23 2011-04-28 ボッシュ株式会社 Dispositif de commande pour moteur à combustion interne

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012059267A1 *

Also Published As

Publication number Publication date
CN103201495B (zh) 2016-08-17
RU2573068C2 (ru) 2016-01-20
CN103201495A (zh) 2013-07-10
DE102010043439A1 (de) 2012-05-10
JP5727617B2 (ja) 2015-06-03
WO2012059267A1 (fr) 2012-05-10
JP2013545015A (ja) 2013-12-19
RU2013125689A (ru) 2014-12-10
KR20130126906A (ko) 2013-11-21
EP2635791B1 (fr) 2015-01-07
KR101900965B1 (ko) 2018-09-20

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