WO2012084325A1 - Injektoranordnung, insbesondere injektorblock für brennstoffeinspritzanlagen - Google Patents
Injektoranordnung, insbesondere injektorblock für brennstoffeinspritzanlagen Download PDFInfo
- Publication number
- WO2012084325A1 WO2012084325A1 PCT/EP2011/069429 EP2011069429W WO2012084325A1 WO 2012084325 A1 WO2012084325 A1 WO 2012084325A1 EP 2011069429 W EP2011069429 W EP 2011069429W WO 2012084325 A1 WO2012084325 A1 WO 2012084325A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- block element
- block
- face
- injector
- arrangement according
- 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.)
- Ceased
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
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0281—Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
- F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
- F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0209—Hydrocarbon fuels, e.g. methane or acetylene
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/856—Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Definitions
- Injector assembly in particular injector block for fuel injection systems prior art
- the invention relates to an injector arrangement, which is particularly suitable for
- a mixture-compression, spark-ignition internal combustion engine is suitable.
- a mixture-compression, spark-ignition internal combustion engine may be suitable for operation with gasoline and natural gas.
- to provide an original equipment or a retrofit solution for a gasoline-powered internal combustion engine is one
- the injector arrangement according to the invention with the features of claim 1 has the advantage that an improved configuration, in particular a compact and robust design, is made possible. Specifically, an injector assembly having a wide range of applications can be provided which is of high quality.
- the fuel distributor channel of the first block element serves to distribute natural gas to the injection valves.
- the natural gas is stored here preferably as compressed natural gas in a gas storage, for example at pressures of about 20 M Pa (200 bar).
- a compressed natural gas is also called CNG.
- the concept of natural gas is not limited to natural gas, but generally understood.
- the natural gas can also be artificially
- the gas storage in which the natural gas is stored for example, can be connected via a solid casing with the first block element.
- the first block element has an inner end face
- that the second block element has an inner end face, that the inner end face of the first block element of the inner end face of the second
- a seal is arranged between the end face of the first block element and the end face of the second block element and that the first block element abuts with the end face of the first block element via the seal on the end face of the second block element.
- the adjoining block elements can in this case at least substantially surround the injection valves.
- suitable attachment points on the block elements can be chosen largely arbitrarily, in order to fasten the injector arrangement, for example in an engine compartment.
- the seal between the block elements can hereby be elastic
- centering elements are provided which center the block elements to each other.
- the centering elements each engage in sections on the end face of the first block element in the first block element and each engage in sections on the end face of the second block element in the second block element. Due to the centering, in particular as
- Centering pins can be configured, in addition to a positioning of the block elements to each other and the mechanical stability of the injector improved.
- the positioning of the injectors within the block elements is reliably ensured.
- connection means are particularly suitable screws.
- Connecting rods or the like are not for connecting the block elements required. As a result, the number of required components can be reduced.
- Block elements does not occur and thus does not have to be bridged.
- the connecting pieces each have a hose nozzle on their output sides.
- the injector arrangement can thereby be used for a large number of differently configured internal combustion engines.
- a recess is provided on the composite block elements, via which an electrical contacting of the injection valves is made possible.
- electrical plugs of the injection valves may be led through the recess to the outside. In the area of the recess then a mechanical protection of such connector is additionally ensured.
- Fig. 1 is a schematic representation of an injector according to a
- FIG. 2 shows a schematic representation of the injector arrangement shown in FIG. 1 from the viewing direction denoted by II.
- Fig. 1 shows an injector 1 in a schematic representation according to an embodiment of the invention.
- the injector assembly 1 can in particular as Injector block 1 be designed.
- the injector assembly 1 is particularly suitable for fuel injection systems of mixture-compressing, spark-ignited
- the injector 1 is preferably used here for compressed natural gas.
- the injector assembly 1 has a first block element 2 and a second block element 3.
- the first block element 2 has a side (upper side) 4.
- the second block element 3 has a side (underside) 5.
- the upper side 4 of the first block element 2 in this case represents the upper side 4 of the injector arrangement 1.
- the underside 5 of the second block element 3 represents the lower side 5 of the injector arrangement 1
- Block element 2 has a fuel distributor channel 6, which within the first
- Block element 2 is configured. Here is the first block element 2 a
- Connector 7 mounted over which the compressed natural gas in the
- Fuel distribution channel 6 is guided.
- the connector 7 is suitably connected to a fuel tank, in particular gas tank, for this purpose.
- a sensor 8 is mounted with a plug 9 to the first Bockelement 2.
- the sensor 8 is used for example for pressure and temperature measurement of the fuel distribution channel 6 provided in the fuel.
- a connection of the sensor 8 is made possible with a control unit.
- the block elements 2, 3 are connected to one another via one or more connecting means 10.
- a connecting means 10 for example, serve a screw.
- the first block elements 2 has an end face 1 1.
- the second block element 3 has an end face 12. Between the end face 1 1 of the first block member 2 and the end face 12 of the second block member 3 is a
- the seal 13 is arranged.
- the seal 13 is in this case designed as an elastic seal 13 and formed for example of an elastomer.
- the seal 13 also ensures a certain damping between the block elements 2, 3. In particular, a vibration transmission is avoided.
- the first block element 2 is perpendicular from the end face 1 1 in the first
- Block member 2 extending bores 14, 15. Furthermore, the second block element 3 extends perpendicularly from the end face 12 into the second block element 3
- Centering element 18 is arranged. Furthermore, a centering element 19 is arranged in the bores 15, 17 of the block elements 2, 3. The centering elements 18, 19 are in this
- the centering pins 18, 19 engage in each case in sections on the end face 1 1 of the first block element 2 in the first block element 2 a.
- the centering pins 18, 19 each engage in sections on the end face 12 of the second block element 3 in the second block element 3 a.
- the block elements 2, 3 are both positioned to each other as well as reliably connected together in the assembled state together with the connecting means 10.
- injection valves 20, 21, 22, 23 are provided.
- the further injection valves 22, 23 are provided.
- the number of injection valves 20 to 23 is in this case specified in relation to the respective application.
- the number of injectors is not limited to the two injectors 20, 21 and may be greater than 2, in particular greater than 4, be.
- the injection valves 20 to 23 are inserted via elastic sealing rings 24, 25, 26, 27 in the second block element 3. As a result, a vibration damping between the injectors 20 to 23 and the second block element 3 is ensured. In particular, it is avoided that vibrations of the second block element 3 adversely affect the operation of the injectors 20 to 23.
- Block element 3 screwed.
- the connecting pieces 28 to 31 point at their
- Output sides 32 to 35 each have a hose nozzle 36, 37, 38, 39 on.
- Hose nozzles 36 to 39 hoses or the like can be connected to connect the fittings 28 to 31, for example, with intake manifolds of an internal combustion engine.
- the respective amount of the supplied, compressed natural gas can be controlled via the injection valves 20 to 23.
- a recess 40 is provided on the composite block elements 2, 3, a recess 40 is provided.
- the recess 40 is configured in this embodiment as a window-shaped recess 40.
- a first part 41 of the recess 40 is configured on the first block element 2.
- a second part 42 of the recess 40 is configured on the second block element 3.
- the recess 40 It is also possible for the recess 40 to be designed completely on, in particular within, the first block element 2, or on, in particular within, the second block element 3.
- electrical connections 43, 44, 45, 46 of the injectors 20 to 23 are accessible from the outside. In this embodiment, the electrical terminals 43 to 46 protrude through the recess 40 to the outside.
- FIG. 2 shows the injector arrangement 1 shown in FIG. 1 in a schematic
- Block elements 2, 3 have a common side (front side) 50.
- the injection valve 20 is positioned between the fuel distributor passage 6 and the fitting 28. Accordingly, the other injectors 21 to 23 between the
- the electrical connection 43 of the injection valve 20 projects through the recess 40 partially beyond the front side 50. This is the electrical
- Port 43 of the injection valve 20 partially in front of the front side 50, so that a suitable plug can be mounted on the electrical connection 43 of the injection valve 20. Accordingly, also the electrical connections 44 to 46 of the
- Injectors 21 to 23 partially beyond the front 50 addition, so that they can be contacted with suitable plugs. This is a connection of
- Injectors 20 to 23 with the control unit allows.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11778636.8A EP2655858A1 (de) | 2010-12-23 | 2011-11-04 | Injektoranordnung, insbesondere injektorblock für brennstoffeinspritzanlagen |
| CN2011800620935A CN103282646A (zh) | 2010-12-23 | 2011-11-04 | 喷射器组件、尤其用于燃料喷射设备的喷射器块 |
| US13/996,198 US20140366844A1 (en) | 2010-12-23 | 2011-11-04 | Injector system, in particular injector block for fuel injection systems |
| BR112013015372A BR112013015372A2 (pt) | 2010-12-23 | 2011-11-04 | disposição de injetor, especialmente bloco de injetor para instalações de injeção de combustível |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010064137A DE102010064137A1 (de) | 2010-12-23 | 2010-12-23 | Injektoranordnung, insbesondere Injektorblock für Brennstoffeinspritzanlagen |
| DE102010064137.5 | 2010-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012084325A1 true WO2012084325A1 (de) | 2012-06-28 |
Family
ID=44906158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2011/069429 Ceased WO2012084325A1 (de) | 2010-12-23 | 2011-11-04 | Injektoranordnung, insbesondere injektorblock für brennstoffeinspritzanlagen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140366844A1 (de) |
| EP (1) | EP2655858A1 (de) |
| CN (1) | CN103282646A (de) |
| BR (1) | BR112013015372A2 (de) |
| DE (1) | DE102010064137A1 (de) |
| WO (1) | WO2012084325A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470404B (zh) * | 2013-09-24 | 2015-11-11 | 吉林大学 | 燃气喷射位置及喷嘴数可变装置 |
| CN108930612A (zh) * | 2017-05-27 | 2018-12-04 | 罗伯特·博世有限公司 | 燃料喷射装置以及燃料加热方法 |
| DE102018221198A1 (de) * | 2018-12-07 | 2020-06-10 | Robert Bosch Gmbh | Komponente, insbesondere Brennstoffleitung oder Brennstoffverteiler, und Brennstoffeinspritzanlage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117151A1 (en) * | 2001-02-28 | 2002-08-29 | Robert Bosch Corporation | Fuel injector module |
| US20040000290A1 (en) * | 2002-06-28 | 2004-01-01 | Siemens Vdo Automotive, Inc. | Modular fuel injection pack |
| EP1375898A2 (de) * | 2002-06-18 | 2004-01-02 | Siemens VDO Automotive Inc. | Integrierte Verkabelung für ein Brennstoffversorgungsmodul und Trägerdichtung für einen Fahrzeugansaugkrümmer |
| EP1375897A2 (de) * | 2002-06-18 | 2004-01-02 | Siemens VDO Automotive Inc. | Nichtmetallisches Ansaugmodul mit integrierter Brennstoffleitung |
| EP1760304A1 (de) * | 2005-09-02 | 2007-03-07 | Magneti Marelli Powertrain S.p.A. | Integriertes Luft-Kraftstoffansaugmodul für eine Brennkraftmaschine und Verfahren zur Herstellung |
| WO2007077590A1 (en) * | 2006-01-04 | 2007-07-12 | Emer S.P.A. | Electromagnetic injector for gaseous fuels |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528613A (en) * | 1968-01-15 | 1970-09-15 | Hailwood & Ackroyd Ltd | Fuel injector for internal combustion engines |
| US3885895A (en) * | 1971-09-18 | 1975-05-27 | Bosch Gmbh Robert | Fuel injection pump for internal combustion engines |
| US5398656A (en) * | 1994-08-05 | 1995-03-21 | General Motors Corporation | Reversible socket fuel meter body |
| US6505612B1 (en) * | 2001-12-20 | 2003-01-14 | Deere & Company | Natural gas fuel metering assembly and engine with same |
| CN201225208Y (zh) * | 2008-07-28 | 2009-04-22 | 北京沃托玛腾机械制造有限公司 | 车用燃气喷嘴 |
-
2010
- 2010-12-23 DE DE102010064137A patent/DE102010064137A1/de not_active Withdrawn
-
2011
- 2011-11-04 CN CN2011800620935A patent/CN103282646A/zh active Pending
- 2011-11-04 WO PCT/EP2011/069429 patent/WO2012084325A1/de not_active Ceased
- 2011-11-04 EP EP11778636.8A patent/EP2655858A1/de not_active Withdrawn
- 2011-11-04 BR BR112013015372A patent/BR112013015372A2/pt not_active IP Right Cessation
- 2011-11-04 US US13/996,198 patent/US20140366844A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117151A1 (en) * | 2001-02-28 | 2002-08-29 | Robert Bosch Corporation | Fuel injector module |
| EP1375898A2 (de) * | 2002-06-18 | 2004-01-02 | Siemens VDO Automotive Inc. | Integrierte Verkabelung für ein Brennstoffversorgungsmodul und Trägerdichtung für einen Fahrzeugansaugkrümmer |
| EP1375897A2 (de) * | 2002-06-18 | 2004-01-02 | Siemens VDO Automotive Inc. | Nichtmetallisches Ansaugmodul mit integrierter Brennstoffleitung |
| US20040000290A1 (en) * | 2002-06-28 | 2004-01-01 | Siemens Vdo Automotive, Inc. | Modular fuel injection pack |
| EP1760304A1 (de) * | 2005-09-02 | 2007-03-07 | Magneti Marelli Powertrain S.p.A. | Integriertes Luft-Kraftstoffansaugmodul für eine Brennkraftmaschine und Verfahren zur Herstellung |
| WO2007077590A1 (en) * | 2006-01-04 | 2007-07-12 | Emer S.P.A. | Electromagnetic injector for gaseous fuels |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013015372A2 (pt) | 2016-09-20 |
| CN103282646A (zh) | 2013-09-04 |
| EP2655858A1 (de) | 2013-10-30 |
| US20140366844A1 (en) | 2014-12-18 |
| DE102010064137A1 (de) | 2012-06-28 |
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