CN103502623B - Fuel distributor and the system with Fuelinjection nozzle - Google Patents
Fuel distributor and the system with Fuelinjection nozzle Download PDFInfo
- Publication number
- CN103502623B CN103502623B CN201280021114.3A CN201280021114A CN103502623B CN 103502623 B CN103502623 B CN 103502623B CN 201280021114 A CN201280021114 A CN 201280021114A CN 103502623 B CN103502623 B CN 103502623B
- Authority
- CN
- China
- Prior art keywords
- cup shell
- support component
- fuel
- distributor
- fuel distributor
- 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.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 65
- 239000004033 plastic Substances 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- 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
- F02M61/14—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
- 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
- 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
- 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
- F02M2200/853—Mounting of fuel injection apparatus involving use of quick-acting mechanism, e.g. clips
-
- 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
-
- 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
- F02M2200/90—Selection of particular materials
- F02M2200/9015—Elastomeric or plastic materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
A kind of fuel distributor (2), is particularly useful for the fuel injection system of the external source ignition internal combustion engine of mixing compression, and this fuel distributor includes distributor body (10) and support component (4), and fuel chamber (14) is formed in described distributor body (10).Here, arranging at least one cup shell (12) on described distributor body (10), described supporting construction (4) is arranged on described cup shell.Support component (4) forms supporting surface (17) at least in part on an end (18) of described cup shell (12).So, described distributor body (10) and cup shell (12) can be formed with plastics, and preferably metal support element (4) forms the supporting surface (17) being applicable to holddown spring (5).Additionally, the present invention provides one has the system (1) of Fuelinjection nozzle (3), holddown spring (5) and support component (4).
Description
Technical field
The present invention relates to a kind of fuel distributor, be particularly useful for the external source ignition internal combustion engine of mixing compression
Fuel injection system.Present invention relates particularly to be designed to the fuel injection system field of medium voltage network.
Background technology
Under the fuel injection system situation being applicable to automobile, it can be envisaged that use fuel distributor pressing plate,
Described fuel distributor pressing plate is made in steel or aluminum, it is adaptable to high-pressure applications.Thus, such as 20MPa is reached
(200bar) comprcssive strength of pressure.Also can use when 0.5MPa (5bar) and be applicable to low pressure use
The fuel distributor pressing plate on way.The range of application of this fuel distributor pressing plate being applicable to low-pressure applications
Certainly it is limited in this low pressure range.
In order to assemble Fuelinjection nozzle, it is contemplated that using holddown spring, described holddown spring is landed in institute
State between fuel distributor pressing plate and Fuelinjection nozzle.Here, such as will by the retentivity of 500N
Fuelinjection nozzle is pressed in the cylinder cover of internal combustion engine.Thus, described Fuelinjection nozzle reliably positions
On cylinder cover, wherein, described combustion is made by the chamber pressure of combustor also by acceleration of vibration
Material injection valve can remove from desired position.In order to will compress with the hope prestressing force of such as 500N
Spring supporting is on fuel distributor pressing plate, and described fuel distributor pressing plate needs to use metal pattern molding.
Summary of the invention
Fuel distributor and the system according to the present invention according to the present invention this have the advantage that use compresses
Springs etc. reduce the demand at least one material constituted used by fuel distributor.Specifically, it is possible to
Use low cost but limit the material of surface stress applied.
Advantageously, described distributor body and cup shell are made of plastic.Here it is further advantageous that institute
State distributor body and include described cup shell, thus described cup shell is the integrated member of described distributor body.
Such as, the distributor body of concrete multiple cup shell can be embodied as die casting.Made of plastic by making
Configuration can manufacture at low cost.Certainly, plastics are used to there is problems of plastics on high surface
Occur plastic flow and required tolerance no longer can maintain during stress.In order to avoid this situation,
Forming supporting surface by the support component being arranged on cup shell, described supporting surface can support compression bullet
Spring etc..Therefore the surface stress acted on plastics is substantially reduced, thus avoids the plasticity stream of plastics
Become, and required tolerance can be maintained.
In an advantageous manner, described support component is embodied as the support component of annular or part-toroidal,
Wherein, described support component is connected with the end of described cup shell.Specifically, described support component
Loop configurations can make the power of holddown spring be uniformly distributed on the end of described cup shell and simultaneously
Described support component is connected well with the end of described cup shell.
Advantageously, described support component utilizes positive to be connected with the end of described cup shell.Institute
State positive and here can pass through slope, step, formed by dovetail connection etc..Attachment ground
Or alternatively, described support component is also by the end being ejected into described cup shell at least in part
And be connected with the end of described cup shell.Here can form described positive when injection.
Additionally advantageously, described support component has at least one support arm, and described support component utilizes described
At least one support arm is maintained on the end of described cup shell.The most preferably, two or many are arranged
Individual support arm, described support component is securely fixed on the end of described cup shell by described support arm, its
Mode is the retentivity such as relative to each other acted on by the applying of described support arm.
The most advantageously, described straight-arm is utilized respectively prestressing force and is pressed onto on the outside of described cup shell.
Described support arm here can arcuately be constituted, and is perhaps joined on the outside of described cup shell
In recess.
Additionally advantageously, described support arm is respectively provided with a barb, and wherein, each barb acts on from behind
In one outside described cup shell on step is set.Thus may make up a kayser to connect, described card
Lock connection can make described support component be simply assembled on described cup shell, and the most also ensures
Delivery safety.
Additionally advantageously, described support component also has at least one tongue, described tongue at least portion
Ground is divided to coordinate in the recess being arranged on outside described cup shell.Such as, first described support component may be used
Being placed on described cup shell, the most described tongue is pressed into be arranged on described cup shell recessed
In place.Being also possible to ground, described support component has at least one tongue, and described tongue is flexibly
Inwardly place, be acute angle, and promptly in the outside of described cup shell.Therefore, it is thus achieved that certain
Positive.Thus, delivery safety it is obtained in that equally.
Additionally advantageously, arranging holddown spring, described holddown spring is connected with described support component.Such as,
Described support component can be pressed on described holddown spring.
Accompanying drawing explanation
Referring to the drawings, it is set forth in the preferred embodiments of the present invention in the following description, in the accompanying drawings,
Consistent element is provided with identical reference.Shown in the drawings:
Fig. 1 with schematic diagram illustrate corresponding first embodiment of the invention, there is fuel distributor and fuel
The system of injection valve；
Fig. 2 illustrates the supporting member of the system of corresponding second embodiment of the invention with schematic diagram；
Fig. 3 is to illustrate the corresponding present invention's along with the schematic cross-section of the cutting line cutting of III labelling
One may the supporting member shown in configuration, Fig. 2；
Fig. 4 is to illustrate the corresponding present invention's along with the schematic cross-section of the cutting line cutting of III labelling
Another may the supporting member shown in configuration, Fig. 2；
Fig. 5 illustrates the supporting member of the corresponding present invention the 3rd configuration with schematic cross-section；
Fig. 6 illustrates the summary of corresponding fuel distributor shown in fourth embodiment of the invention, Fig. 1
Schematic cross-section；With
Fig. 7 with schematic cross-section illustrate corresponding fifth embodiment of the invention, Fig. 6 summarily illustrates
Fuel distributor.
Detailed description of the invention
Fig. 1 illustrates a system 1 with fuel distributor 2, Fuelinjection nozzle 3 and supporting member 4.
System 1 here includes holddown spring 5.Fuel distributor 2 is not the required component of system 1.Especially
Ground, system 1 can include Fuelinjection nozzle 3, support component 4 and holddown spring 5, but not include fuel
Allotter 2, and be fabricated to system 1 by this way and driven.On the other hand, fuel distributor
2 may also comprise described support component and the most also include described holddown spring 5, and on this circumference
Manufacture and driven.System 1 also constitutes as fuel injection system 1, and described fuel system 1 includes institute
State fuel distributor 2, Fuelinjection nozzle 3, support component 4, holddown spring 5 and perhaps other parts.
Fuel distributor 2 and system 1 are particularly suited for the fuel injection system run with middle pressure.At this
In, fuel is preferably supplied to combustion in the range of 3MPa to 10MPa in other words 30bar to 100bar
In material allotter 2.Especially, medium pressure can be located at 5MPa to 7MPa, and in other words, 50bar is extremely
In the range of 70bar.Fuel distributor 2 and the system according to the present invention 1 according to the present invention are certain the most also
It is applicable to other application scenarios.
The fuel distributor 2 of first embodiment has distributor body 10, and distributor body 10 includes one point
Orchestration pipe 11 and multiple cup shell 12 being arranged side by side on distributor tube 11.Here, cup shell
12 figure 1 illustrates.Middle pressurized fuel can be directed into by joint 13 and be arranged at distributor tube 11
In interior fuel chamber 14, wherein, joint 13 can correspondingly constitute a high pressure connection.Fuel leads to
Cross passage and be directed into the Fuelinjection nozzle 3 being fixed on cup shell 12 from fuel chamber 14.Here,
The inlet-side end portions 15 of Fuelinjection nozzle 3 is joined in cup shell 12 at least in part.It is in operation,
Described fuel is sprayed by one or more nozzle bores on the combustion chamber side end 16 of Fuelinjection nozzle 3
In the combustor of internal combustion engine.
In confined state, fuel distributor 2 is solid with the fixed position relative to unshowned internal combustion engine
Determining deviation exists.Fuelinjection nozzle 3 is here fixed on cup shell 12 and the internal combustion of fuel distributor 2
Between the cylinder-bore of machine.Holddown spring 5 is applied in prestressing force in the assembled condition, thus prestressing force is made
Using on Fuelinjection nozzle 3, prestressing force makes injection valve 3 keep against cylinder cover.Such as, fuel spray
Penetrate valve 3 to be pressed in cylinder cover with the prestressing force of about 500N.
Distributor body 10 and the cup shell 12 of fuel distributor 2 are made of plastics.Here, cup-shaped
Part 12 is the integrated member of distributor body 10.Such as, specifically, the distributor body 10 of cup shell 12
Die casting can be embodied as.Support component 4 is arranged on cup shell 12.Here, support component 4 exists
Supporting surface 17 is formed on the end 18 of cup shell 12.
Under fuel distributor 2 situation of first embodiment, support component 4 be designed as annular or portion
Divide the support component 4 of annular, and be connected with the end 18 of cup shell 12.Support component 4 thus be
The component of the fuel distributor 2 of first embodiment.
When the system 1 of first embodiment, matrix 20 is arranged on the inlet-side end portions of Fuelinjection nozzle 3
On 15, inlet-side end portions 15 receives holddown spring 15.Here, matrix 20 can be by entrance side
End 15 is placed on remaining fuel injection valve 3.Matrix 20 is the most releasable or the most releasable
Ground is connected with the remaining part of Fuelinjection nozzle 3.
Holddown spring 5 has segmental arc 21, and in this embodiment, segmental arc 21 is used as connecing of arc
Touch section 21.Here, between the supporting surface 17 of segmental arc 21 and support component 4, contact is formed.
When assembling, the contact-segment 21 of arc is described herein relative to supporting surface 17 and moves, in order to make compression bullet
Spring 5 can carry out precompressed.
In the assembled condition, thrust is applied on Fuelinjection nozzle 3 by holddown spring 5, is supporting
Sizable counteracting force is caused on element 4.This power is uniformly distributed in cup-shaped by support component 4
On the end 18 of part 12.Therefore the surface stress on the end 18 of cup shell 12 is stoped to exceed fair
The scope permitted, therefore stops plastics plastic flow, and ensures to maintain required tolerance.Plastics exist
Wriggling in contact pad areas thus be prevented from.
Therefore, the prestressing force of holddown spring 5 can be distributed on big surface and described surface stress can
Acutely reduce.Therefore, the plastic flow of plastics is prevented from and cup shell 12 is especially in its end 18
Shape that upper holding is given in advance and the tolerance be given in advance.
When other configuration of fuel distributor 2, holddown spring 5 can be connected with support component 4.Example
As, the support component 4 of annular dish type is directly compressible on holddown spring 5.Before assembly, annular
The support component 4 of dish type is placed on matrix 20 by holddown spring 5.Specifically, support component 4 exists
Here can be fixed on Fuelinjection nozzle 3, and when being assemblied on fuel distributor 2, arrive
On the end 18 of cup shell 12 in position.Freedom of motion required for the prestressing force of holddown spring 5
Here can be obtained by the suitable configuration of the suitable configuration of support component 4 and/or matrix 20.
When another possible configuration, support component 4 is connected with holddown spring 5, and fixes simultaneously
On fuel distributor 2.In this case, holddown spring 5 is located against fuel injection when assembling
Valve 3 Shi Hanzhang.
Fig. 2 illustrates corresponding or combustion allotter 2 with schematic diagram
Support component 4.Support component 4 here include a support ring 23 and multiple support arm 23,24,
25、26.By support arm 23 to 26, support component 4 can be fixed on the outside 27 (figure of cup shell 12
1) on.
The possible configuration of support arm 23 to 26 describes in detail according to Fig. 3 and 4.
Fig. 3 illustrates the corresponding present invention one with the schematic cross-section continuing to use the cutting line cutting shown in III
Support component 4 shown in possible configuration, Fig. 2.The arc of support arm 23,24,26 shown here
Section 28,29,30, they bend in the outside 27 of cup shell 12.It is assemblied at support component 4
Time on cup shell 12, the segmental arc 28,29,30 of support arm 23,24,26 is radially outward applied pre-
Stress.Correspondingly, also arranging support arm 25, support arm 25 has segmental arc equally, is applied in prestressing force.
In the assembled condition, support component 4 thus be maintained on the end 18 of cup shell 12.If desired,
The outside 27 of cup shell 12 arranges recess, rib etc. fixing to improve.
Fig. 4 with the schematic cross-section continuing to use the cutting line cutting shown in III illustrate the corresponding present invention another
Support component 4 shown in possible configuration, Fig. 2.Here in embodiment, at support arm 23 to 26
End on barb 31,32,33 is set, they act on the outside being arranged at cup shell 12 from behind
Step on 27.When assembling, support arm 23 to 26 somewhat opens, until barb 31,32,33
And the barb being arranged on support arm 25 hooks after set step.Therefore, support component 4
It is fixed on fuel distributor 2.
Fig. 5 illustrates corresponding third embodiment of the invention, fuel distribution with the schematic cross-section of summary
The support component 4 of device 2 and cup shell 12.In this embodiment, support component 4 has support ring
22, support ring 22 is formed supporting surface 17.Support component 4 also sets up multiple tongue 40,
41, each tongue 40,41 act on from behind be arranged on outside cup shell 12 on 27 step 42,
43.Step 42,43 in this embodiment by the recess 44 being arranged on outside cup shell 12 on 27,
45 are constituted.Such as, when assembling, first support component 4 is placed on the end 18 of cup shell 12.
Then, tongue 40,41 is radially-inwardly pressed onto in recess 44,45, thus, step 42,43
Obtain back brace.Tongue 40,41 is joined to be arranged at outside cup shell 12 recess 44,45 on 27
In.
In the corresponding way, when according to configuration described in Fig. 4, the barb 32,33 of support arm 24,26
The step 42,43 arranged on the outside of cup shell 12 can be acted on from behind fixing to obtain.
Therefore, support component 4 can be reliably held at the cup-shaped of distributor body 10 by positive
On part 12.Described positive can such as by tongue 40,41 or by barb 31,32,
33 realize.
However, it is possible under conditions of there is no positive, by corresponding prestressing force by support component 4
It is fixed on the cup shell 12 of distributor body 10, according to as described in Fig. 3.
The tongue 40,41 of support component 4 can be such as by perforation 40,41 moulding.Certainly,
It can also be envisaged that use other jaw etc..
Fig. 6 illustrates shown in corresponding fourth embodiment of the invention, Fig. 1 with the schematic cross-section of summary
Fuel distributor 2.In this embodiment, support component 4 be designed as annular or part-toroidal
Support element 4.Support component 4 is provided for the bearing-surface 17 of holddown spring 5.Cup shell 12 exists
On its end 18, there is shoulder 50, otch has the lobe 51,52 being oriented radially outward.
Shoulder 50 support component 4 with correspondingly moulding here forms positive.Additionally, unit is supported
Part 4 is sprayable in the end 18 of cup shell 12.Such as, shoulder 50 can pass through injection method moulding,
Wherein, support component 4 positions on the tip 18 in course of injection.
Fig. 7 illustrates shown in corresponding fifth embodiment of the invention, Fig. 6 with the schematic cross-section of summary
Fuel distributor 2.In this embodiment, the support component 4 of annular or part-toroidal has at least
The cross section of approximate right angle.Here, what support component 4 was joined on the end 18 of cup shell 12 is straight
In angle acceptance division 53.Shoulder 50 is here joined in support component 4 by interior.Support component 4 He
Being fixed on the most such as by support component 4 being ejected into the end of cup shell 12 between cup shell 12
Portion 18 realizes.In this embodiment, described connection realizes without positive.
Sunk in the end 18 of cup shell 12 by the support component 4 of annular or part-toroidal, resistance
Only form sharp edge.Perhaps arrange on the inlet-side end portions 15 of Fuelinjection nozzle 3, introducing
Sealing ring in cup shell 12 can thus be not damaged by.Here by the plastics material of cup shell 12
The shoulder 50 that material is formed provides guidance field, described sealing ring to be incorporated into cup-shaped by described guidance field
In part 12.
Support component 4 is preferably formed by metal material.Thus, compared with general plastics, it is possible to
Basic deformation is avoided during high surface stress.
Therefore, specifically, metal support element 4 can be fixed on the distributor body 10 formed by plastics.
The invention is not restricted to described embodiment.
Claims (7)
1. fuel distributor (2), have distributor body (10) and at least one support component (4),
Fuel chamber (14) is formed in distributor body (10), wherein, and at least one cup shell (12)
Being arranged on distributor body (10), described support component (4) is arranged on this cup shell, and its
In, described support component (4) is at least in part in the upper shape in end (18) of described cup shell (12)
Become supporting surface (17),
It is characterized in that,
Described support component (4) has smooth support ring (22), and described support ring abuts in cup-shaped
On the end (18) of part (12), wherein, stretch out multiple support arm (23,24,25,26) from support ring (22),
The plurality of support arm is provided with the segmental arc (28,29,30) of the elasticity of flexure and to cup shell (12)
Bending in outer circumferential (27), thus can realize described via described support arm (23,24,25,26)
Support element (4) fixing on the outer circumferential (27) of described cup shell (12).
Fuel distributor the most according to claim 1, it is characterised in that described distributor body (10)
Made of plastic with cup shell (12), and, described support component (4) is formed by metal material.
Fuel distributor the most according to claim 1, it is characterised in that described support component (4)
Positive is utilized to be connected and/or described support component (4) with the end of described cup shell (12)
By be ejected into the end (18) of described cup shell (12) at least in part and with described cup shell (12)
End (18) connect.
Fuel distributor the most according to claim 1, it is characterised in that described support arm (23-26)
Prestressing force is utilized to be forced on the outer circumferential (27) of described cup shell (12).
Fuel distributor the most according to claim 4, it is characterised in that described support arm (23-26)
Having barb (31-33), described barb (31-33) acts on from behind and is arranged at described cup shell (12)
Outer circumferential (27) on step (42,43).
Fuel distributor the most according to any one of claim 1 to 5, it is characterised in that set
Putting holddown spring (5), it is connected with described support component (4).
Fuel distributor the most according to claim 1, it is characterised in that described fuel distributor
It is applicable to the fuel injection system of the external source ignition internal combustion engine of mixing compression.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011075057.6 | 2011-05-02 | ||
| DE201110075057 DE102011075057A1 (en) | 2011-05-02 | 2011-05-02 | Fuel distributor and system with a fuel injector |
| PCT/EP2012/054706 WO2012150080A1 (en) | 2011-05-02 | 2012-03-16 | Fuel distributor and system having a fuel injection valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103502623A CN103502623A (en) | 2014-01-08 |
| CN103502623B true CN103502623B (en) | 2016-10-12 |
Family
ID=45875954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280021114.3A Expired - Fee Related CN103502623B (en) | 2011-05-02 | 2012-03-16 | Fuel distributor and the system with Fuelinjection nozzle |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2705245B1 (en) |
| CN (1) | CN103502623B (en) |
| DE (1) | DE102011075057A1 (en) |
| RU (1) | RU2606728C2 (en) |
| WO (1) | WO2012150080A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478176A (en) * | 2001-10-24 | 2004-02-25 | ���ء����߸� | Fixing device |
| EP1998038A1 (en) * | 2007-05-31 | 2008-12-03 | Continental Automotive GmbH | Fixing device for fixing a fuel injector in a cylinder head of a combustion engine |
| CN201347829Y (en) * | 2008-12-09 | 2009-11-18 | 奇瑞汽车股份有限公司 | Engine high pressure oil rail |
| CN101828028A (en) * | 2007-10-15 | 2010-09-08 | 罗伯特·博世有限公司 | Fuel injection device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074269A (en) * | 1991-04-29 | 1991-12-24 | Chrysler Corporation | Anti-rotation fuel injector clip |
| DE10037133A1 (en) * | 2000-07-31 | 2002-02-14 | Volkswagen Ag | Fuel distribution rail for IC engines has cast plastic/metal housing with standardized connectors for random connection of components |
| RU30167U1 (en) * | 2002-12-15 | 2003-06-20 | Открытое акционерное общество "АВТОВАЗ" | The device for fastening the fuel injector on the profile fuel rail of the internal combustion engine |
| JP3948461B2 (en) * | 2004-02-17 | 2007-07-25 | マツダ株式会社 | Engine fuel injection system |
| US7360524B2 (en) * | 2004-12-03 | 2008-04-22 | Millenium Industries, Inc. | Fuel injector retention clip |
| DE502006006106D1 (en) * | 2005-03-03 | 2010-03-25 | Bosch Gmbh Robert | FUEL INJECTION EQUIPMENT |
| DE102005009740A1 (en) * | 2005-03-03 | 2006-09-07 | Robert Bosch Gmbh | Fuel injection device for internal combustion engine, has connecting body arranged so that valve and body are placed at surfaces of hole of cylinder head, and damping plates in connecting area of pipeline for uncoupling valve from head |
| US7810471B2 (en) * | 2008-01-14 | 2010-10-12 | Millennium Industries | Two-piece injector cup and method of manufacturing same |
-
2011
- 2011-05-02 DE DE201110075057 patent/DE102011075057A1/en not_active Withdrawn
-
2012
- 2012-03-16 EP EP12710076.6A patent/EP2705245B1/en not_active Not-in-force
- 2012-03-16 WO PCT/EP2012/054706 patent/WO2012150080A1/en active Application Filing
- 2012-03-16 CN CN201280021114.3A patent/CN103502623B/en not_active Expired - Fee Related
- 2012-03-16 RU RU2013153131A patent/RU2606728C2/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478176A (en) * | 2001-10-24 | 2004-02-25 | ���ء����߸� | Fixing device |
| EP1998038A1 (en) * | 2007-05-31 | 2008-12-03 | Continental Automotive GmbH | Fixing device for fixing a fuel injector in a cylinder head of a combustion engine |
| CN101828028A (en) * | 2007-10-15 | 2010-09-08 | 罗伯特·博世有限公司 | Fuel injection device |
| CN201347829Y (en) * | 2008-12-09 | 2009-11-18 | 奇瑞汽车股份有限公司 | Engine high pressure oil rail |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2606728C2 (en) | 2017-01-10 |
| EP2705245B1 (en) | 2017-06-14 |
| CN103502623A (en) | 2014-01-08 |
| WO2012150080A1 (en) | 2012-11-08 |
| RU2013153131A (en) | 2015-10-27 |
| EP2705245A1 (en) | 2014-03-12 |
| DE102011075057A1 (en) | 2012-11-08 |
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