EP2385238A3 - High pressure injector - Google Patents

High pressure injector Download PDF

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Publication number
EP2385238A3
EP2385238A3 EP11003160.6A EP11003160A EP2385238A3 EP 2385238 A3 EP2385238 A3 EP 2385238A3 EP 11003160 A EP11003160 A EP 11003160A EP 2385238 A3 EP2385238 A3 EP 2385238A3
Authority
EP
European Patent Office
Prior art keywords
injector
unit
pressure
high pressure
assemblies
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.)
Withdrawn
Application number
EP11003160.6A
Other languages
German (de)
French (fr)
Other versions
EP2385238A2 (en
Inventor
Richard Pirkl
Edgar Dr. Bignion
Wolfram Klemp
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.)
Liebherr Machines Bulle SA
Original Assignee
Liebherr Machines Bulle SA
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 Liebherr Machines Bulle SA filed Critical Liebherr Machines Bulle SA
Publication of EP2385238A2 publication Critical patent/EP2385238A2/en
Publication of EP2385238A3 publication Critical patent/EP2385238A3/en
Withdrawn legal-status Critical Current

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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • 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
    • F02M55/004—Joints; Sealings
    • F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • 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
    • F02M2200/40—Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/494—Fluidic or fluid actuated device making

Abstract

Die vorliegende Erfindung zeigt einen Hochdruckinjektor mit folgenden Baugruppen: eine Injektoreinheit (1), eine Antriebseinheit (2) zum Antrieb der Injektoreinheit (1), vorzugsweise einer Hochdruckspeichereinheit (3) zur Versorgung der Injektoreinheit (1) mit Kraftstoff und ein Hochdruckanschluß (4). Dabei ist vorgesehen, dass der Hochdruckinjektor ein Gehäuse (5) aufweist, in welchem mehrere der genannten Baugruppen in Längsrichtung des Injektors hintereinander angeordnet sind, wobei das Gehäuse (5) zumindest eine der genannten Baugruppen, insbesondere die Antriebseinheit (2) und/oder die Hochdruckspeichereinheit (3), komplett umhüllt. Der Hochdruckinjektor mit Injektoreinheit kann in allen Arten von Verbrennungsmotoren, vorzugsweise Dieselmotoren verwendet werden.

Figure imgaf001
The present invention shows a high-pressure injector with the following components: an injector unit (1), a drive unit (2) for driving the injector unit (1), preferably a high-pressure storage unit (3) for supplying the injector unit (1) with fuel and a high-pressure connection (4) , It is provided that the Hochdruckinjektor has a housing (5), in which a plurality of said assemblies in the longitudinal direction of the injector are arranged one behind the other, wherein the housing (5) at least one of said assemblies, in particular the drive unit (2) and / or the High-pressure storage unit (3), completely enclosed. The high pressure injector injector unit may be used in all types of internal combustion engines, preferably diesel engines.
Figure imgaf001
EP11003160.6A 2010-05-07 2011-04-14 High pressure injector Withdrawn EP2385238A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00706/10A CH702496B1 (en) 2010-05-07 2010-05-07 Power injector.

Publications (2)

Publication Number Publication Date
EP2385238A2 EP2385238A2 (en) 2011-11-09
EP2385238A3 true EP2385238A3 (en) 2014-11-26

Family

ID=44260966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11003160.6A Withdrawn EP2385238A3 (en) 2010-05-07 2011-04-14 High pressure injector

Country Status (3)

Country Link
US (1) US8939128B2 (en)
EP (1) EP2385238A3 (en)
CH (1) CH702496B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702496B1 (en) * 2010-05-07 2011-07-15 Liebherr Machines Bulle Sa Power injector.
EP2812559B1 (en) * 2012-02-07 2016-05-04 Ganser-Hydromag AG Fuel injector and apparatus to inject fuel
AT512162B1 (en) * 2012-05-08 2013-06-15 Bosch Gmbh Robert Locking pin with flow limiter
AT512960B1 (en) * 2012-05-22 2014-03-15 Bosch Gmbh Robert Injector of a modular common rail fuel injection system
US9803603B2 (en) 2013-03-01 2017-10-31 Ganser-Hydromag Ag Device for injecting fuel into the combustion chamber of an internal combustion engine
DE102018118120A1 (en) * 2018-07-26 2020-01-30 Liebherr-Components Deggendorf Gmbh Connector for fuel injector of an internal combustion engine
DE102020113608A1 (en) * 2020-03-31 2021-09-30 Liebherr-Components Deggendorf Gmbh Fuel injector housing and injector with such a housing
DE102020108816A1 (en) 2020-03-31 2021-09-30 Liebherr-Components Deggendorf Gmbh Fuel injector
CN114837866B (en) * 2022-06-09 2023-04-28 安庆中船柴油机有限公司 Common rail type marine diesel engine fuel injector

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE10210282A1 (en) * 2002-03-08 2003-09-25 Bosch Gmbh Robert Device for injecting fuel into stationary internal combustion engines
DE102005062549A1 (en) * 2005-12-27 2007-07-05 Robert Bosch Gmbh Fuel injector for internal combustion engine has control valve fully integrated into fuel injector, high pressure fuel storage device connected to control chamber and integrated into fuel injector
DE102006027614A1 (en) * 2006-06-13 2007-12-27 L'orange Gmbh Injection injector for internal combustion engines

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US4081140A (en) * 1976-07-19 1978-03-28 Caterpillar Tractor Co. Capsule-type fuel nozzle
US4418671A (en) * 1980-12-17 1983-12-06 The Bendix Corporation Dual solenoid distributor pump
US4426977A (en) * 1980-12-17 1984-01-24 The Bendix Corporation Dual solenoid distributor pump system
AT378242B (en) * 1981-07-31 1985-07-10 Berchtold Max Prof FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES, ESPECIALLY DIESEL ENGINES
DE3440396A1 (en) 1984-11-06 1986-05-07 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
US5467754A (en) * 1988-02-03 1995-11-21 Servojet Electronic Systems, Ltd. Accumulator fuel injection system
US5241935A (en) * 1988-02-03 1993-09-07 Servojet Electronic Systems, Ltd. Accumulator fuel injection system
US5537972A (en) * 1994-07-28 1996-07-23 Servojet Electronics Systems Fuel injection system having a pressure intensifier incorporating an overtravel safety feature
DE4437927C2 (en) 1994-10-24 1996-09-12 Bosch Gmbh Robert Solenoid valve-controlled fuel injection device with an injection nozzle for fuel injection into the combustion chamber of a diesel internal combustion engine
DK174075B1 (en) 1996-06-20 2002-05-21 Man B & W Diesel As Fuel injector for an internal combustion engine
DE19902282A1 (en) 1999-01-21 2000-08-17 Siemens Ag Injector for an injection system of an internal combustion engine
DE19937713C1 (en) * 1999-08-10 2001-03-15 Siemens Ag Control valve arrangement for use in a fuel injector for internal combustion engines
US6420817B1 (en) * 2000-02-11 2002-07-16 Delphi Technologies, Inc. Method for detecting injection events in a piezoelectric actuated fuel injector
JP2002031016A (en) * 2000-07-21 2002-01-31 Toyota Industries Corp Fuel injector
DE10131953A1 (en) * 2001-07-02 2003-01-23 Siemens Ag Control module for an injector of a storage injection system
JP2005069135A (en) * 2003-08-26 2005-03-17 Toyota Motor Corp Fuel injection device
JP4167230B2 (en) * 2004-01-13 2008-10-15 デルファイ・テクノロジーズ・インコーポレイテッド Fuel injection device
ATE488690T1 (en) 2005-07-18 2010-12-15 Ganser Hydromag STORAGE INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINE
DE102005039688A1 (en) * 2005-08-22 2007-03-01 Siemens Ag Nozzle assembly for injection valve, has casing arranged, such that flexural rigidity of casing is varied over axial length of housing and change of gap measure counteracts based on fluid pressure, where is formed between body and needle
JP4609271B2 (en) * 2005-10-12 2011-01-12 株式会社デンソー Fuel injection valve
DE202006002663U1 (en) 2006-02-20 2006-04-13 Robert Bosch Gmbh Fuel injector for internal combustion engines
ATE511014T1 (en) * 2006-03-20 2011-06-15 Delphi Tech Holding Sarl DAMPING ARRANGEMENT FOR AN INJECTION VALVE
AT503660B1 (en) 2006-06-13 2007-12-15 Bosch Gmbh Robert DEVICE FOR INJECTING FUEL IN THE COMBUSTION ENGINE OF AN INTERNAL COMBUSTION ENGINE
US7552717B2 (en) * 2007-08-07 2009-06-30 Delphi Technologies, Inc. Fuel injector and method for controlling fuel injectors
JP4623066B2 (en) * 2007-08-31 2011-02-02 株式会社デンソー Injection control device for internal combustion engine
DE102008015611A1 (en) * 2008-03-26 2009-10-29 Man Diesel Se Common Rail System
JP4798247B2 (en) * 2009-03-31 2011-10-19 株式会社デンソー connector
EP2273097B1 (en) * 2009-06-15 2011-12-14 Delphi Technologies Holding S.à.r.l. Fuel Injector
CH702496B1 (en) * 2010-05-07 2011-07-15 Liebherr Machines Bulle Sa Power injector.
US8596247B2 (en) * 2010-07-13 2013-12-03 Caterpillar Inc. Fuel delivery assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10210282A1 (en) * 2002-03-08 2003-09-25 Bosch Gmbh Robert Device for injecting fuel into stationary internal combustion engines
DE102005062549A1 (en) * 2005-12-27 2007-07-05 Robert Bosch Gmbh Fuel injector for internal combustion engine has control valve fully integrated into fuel injector, high pressure fuel storage device connected to control chamber and integrated into fuel injector
DE102006027614A1 (en) * 2006-06-13 2007-12-27 L'orange Gmbh Injection injector for internal combustion engines

Also Published As

Publication number Publication date
CH702496B1 (en) 2011-07-15
US8939128B2 (en) 2015-01-27
EP2385238A2 (en) 2011-11-09
US20110271935A1 (en) 2011-11-10

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