CN101793214B - Fuel distributor - Google Patents
Fuel distributor Download PDFInfo
- Publication number
- CN101793214B CN101793214B CN2010101078753A CN201010107875A CN101793214B CN 101793214 B CN101793214 B CN 101793214B CN 2010101078753 A CN2010101078753 A CN 2010101078753A CN 201010107875 A CN201010107875 A CN 201010107875A CN 101793214 B CN101793214 B CN 101793214B
- Authority
- CN
- China
- Prior art keywords
- receiving portion
- fixing device
- device receiving
- distribution piping
- 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
Images
Classifications
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- 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
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- 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
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- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
-
- 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
- F02M2200/855—Mounting of fuel injection apparatus using clamp elements or fastening means, e.g. bolts or screws
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- 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
- F02M2200/857—Mounting of fuel injection apparatus characterised by mounting fuel or common rail to engine
Abstract
A fuel distributor for conveying fuel to an injection valve of the internal combustion engine, is provided with a distributing pipe (2) for accommodating fuel at normal voltage and at least one injector accommodating part (4), wherein the distributing pipe has a fuel inlet (3), the injector accommodating part is connected to the distributing pipe through a connecting passage and the distributing pipe can be fixed on the internal combustion engine through at least one fixing element perforating the fixture unit accommodating part (6), the fixture unit accommodating part is connected to the distributing pipe through a brazing interconnecting piece (9) and the injector accommodating part is provided on the lateral surface (11) of the fixture unit accommodating part opposite to the brazing interconnecting piece, the connecting passage perforates the fixture unit accommodating part and the longitudinal axis of the connecting passage is transversal to the longitudinal axis of the perforation hole (7) perforating the fixture unit accommodating part.
Description
Technical field
The present invention relates to a kind of fuel distributor, be used for fuel is delivered to the injection valve of internal-combustion engine.
Background technique
Pressure generation and fuel spray decoupling zero each other in fuel dispensing system.Petrolift produces pressure continuously.This pressure that irrespectively produces with injection sequence provides in being used as the fuel distributor of storage enduringly.Therefore the fuel reservoir that is extruded is in distributor and offer the sparger or the injection valve of cylinder block distributively.
Each fuel distributor is no matter still all must be fixed on internal-combustion engine or its parts for low pressure applications for high-voltage applications equally, and for example cylinder, cylinder head or air inlet are module.Usually this is through the realization that is threaded.Therefore for example holder or analog are fixed on the distribution piping with installation elements usually.
Distribution piping is fixed through rivet is installed in by the US2007/0163545A1 known solutions.
By the known a kind of fuel distributor of DE 102006010244B3, wherein in order to pass for example screw sleeve of injection moulding in the node spare that is made of plastics of fixed element.
DE 10322769A1 describes a kind of device that is used for fuel is delivered to the injection valve of internal-combustion engine, and wherein sparger receiving portion or valve die holder are connected with distribution piping and additionally fix through the bar shaped fixed element that is made up of steel plate.
DE 19953942C2 discloses a kind of distribution piping, and it is surrounded by a plurality of node spares.The fixing adapter is set on node spare is used for passing of mounting screw, can be fixed on the internal-combustion engine by means of this mounting screw distribution piping.Advise that in the scope of DE 10307530A1 the member sum of fuel distributor reduces through the combination of function or member.The sparger receiving portion constitutes integratedly and should be used as fuel distributor tightening a little on cylinder block simultaneously.
The jet pressure that continues to rise causes the high load of fixed block.The power that affacts during work on fuel distributor or the distribution piping is formed through the power that caused by the interior pressure in the jetburner receiving portion with by the impacting force that the spring pretension of the hold down gag of sparger causes.Each power obtains the total power in the system of affacting in the summation of all spargers.
This purpose that fixedly has the fixed fuel distributor.Make every effort at this, fixing device receiving portion and fixed block and sparger receiving portion side by side or as far as possible near-earth are arranged on the distribution piping.Disadvantageous at this is that the power of not optimizing is flowed through and imported some position, fixing device receiving portion and soldering joint arrival distribution piping by the pressure in the sparger receiving portion.The result is the strong load of soldering joint.
Summary of the invention
Therefore be by the existing technology the object of the invention of setting out, realize favourable and fuel distributor that aspect load characteristic, improve on a kind of manufacturing technology as cheapness, brazed assembly closely.
Reach through a kind of burning distributor by this purpose of the present invention; It is used for fuel is delivered to the injection valve of internal-combustion engine; This fuel distributor has and is used to admit the distribution piping that is in the fuel under the pressure and at least one sparger receiving portion; This distribution piping has fuel inlet; Wherein the sparger receiving portion is connected with distribution piping through connecting passage and distribution piping can be fixed on the internal-combustion engine through at least one fixed element that passes the fixing device receiving portion; It is characterized in that: the fixing device receiving portion engages with distribution piping through the soldering joint and the sparger receiving portion is arranged on the side that is opposite to the soldering joint of fixing device receiving portion, and wherein connecting passage passes the longitudinal axis ground setting of the longitudinal axis of fixing device receiving portion and connecting passage transverse to the perforation of passing the fixing device receiving portion.
Engage with distribution piping through the soldering joint and the sparger receiving portion is arranged on the side that is opposite to the soldering joint of fixing device receiving portion by fixing device receiving portion of the present invention, wherein connecting passage passes the longitudinal axis of the longitudinal axis of fixing device receiving portion and connecting passage transverse to the perforation of passing the fixing device receiving portion.
It laterally is to be provided with that the longitudinal axis of the longitudinal axis of perforation and the connecting passage between sparger receiving portion and distribution piping becomes each other angledly.
Realize that in such a way the power of optimizing flows.Soldering joint on distribution piping is loaded hardly.The power transmission of the power that is caused by the pressure pulsation in the sparger receiving portion is almost completely via fixing device receiving portion and fixed block.Usually fixing through the realization that is threaded.Because the leaks that the pressure pulsation that operating load is especially worked causes is lowered.In addition can the excessive demand foozle than great fluctuation process.
Preferably the fixing device receiving portion constitute sleeve shape and longitudinally pass by the perforation that is used for fixing element.Bolt is used as fixed element especially.
For the line of force advantageously, the longitudinal axis of the longitudinal axis of perforation and sparger receiving portion is provided with in parallel with each other, and the longitudinal axis of its middle punch is between the longitudinal axis and distribution piping of sparger receiving portion.Sparger receiving portion and fixing device receiving portion preferably constitute one, for example constitute foundry goods or forging.Connecting passage with respect to the perforation certain distance pass the fixing device receiving portion.
Engage with distribution piping through the soldering joint by fixing device receiving portion and the unit that the injection receiving portion constitutes.The fixing device receiving portion has the mating face that adapts to the distribution piping external frame for this reason.Usually the mating face has profile circular or spill.Through guarantee engaging of tight and working stability at fixing device receiving portion and the soldering joint between the distribution piping.
Each parts by fuel distributor of the present invention are simple and cheap, especially for fixing essential parts.Fuel distributor constitutes through cheap, soldering component sets closely.The last installation of fuel distributor on internal-combustion engine is rational.Fixing realize through screw especially that said screw passes the fixing device receiving portion and is screwed into internal-combustion engine for example in the prefabricated tapped hole of cylinder block through fixed element.
Description of drawings
Specify the present invention by means of the embodiment who is described in the drawings below.Wherein:
Fig. 1 shows the part of fuel distributor of the present invention simplifiedly with the form technology of perspective view;
Fig. 2 shows the part of pressing Fig. 1 with the form of side view;
Fig. 3 shows said part with the form of plan view.
Embodiment
Explain by fuel distributor 1 of the present invention by means of Fig. 1 to 3.This fuel distributor 1 belongs to the storage ejecting system of internal-combustion engine.Pressure produces with fuel and sprays decoupling zero each other in this storage ejecting system.Independent high-pressure service pump produces pressure continuously.The pressure that irrespectively forms with injection sequence provides in fuel distributor lastingly.
That sparger receiving portion 4 and fixing device receiving portion 6 constitute one and be connected to each other through fishplate bar 8.Fixing device receiving portion 6 engages with distribution piping 2 through soldering joint 9.Fixing device receiving portion 6 has the mating face 10 that adapts to distribution piping 2 external frames in the distribution piping side for this reason.Guarantee that the fixing device receiving portion is stable and closely be fixed on the distribution piping 2 through soldering joint 9.Sparger receiving portion 4 is arranged on the side that is opposite to soldering joint 9 11 of fixing device receiving portion 6.Sparger receiving portion 4 is in the connection of guiding fuel through connecting passage 12 and distribution piping 2.Connecting passage 12 passes fixing device receiving portion 6 in the present embodiment point-blank and with perforation 7 with keeping at a certain distance away a.
Impacting force by operating load causes is represented through arrow D1 in Fig. 1 and 2.Power transmission or derivation are almost completely carried out through fixing device receiving portion 6 and fixed block 5.Power is delivered among Fig. 3 to be represented through arrow D2.Realize the line of force of optimizing and the soldering joint 9 on distribution piping 2 is obviously unloaded by such method.Therefore can reaction load the leaks that causes or reduce this leaks owing to work.This structure is keeping allowing bigger foozle under the situation stable and that engage closely through soldering joint 9.
Reference numerals list
1 fuel distributor
2 distribution pipings
3 fuel inlets
4 sparger receiving portions
5 fixed elements
6 fixing device receiving portions
7 perforation
8 fishplate bars
9 soldering joints
10 mating faces
The side of 11 fixing device receiving portions
12 connecting passages
The longitudinal axis of L1 perforation
The longitudinal axis of L2 sparger receiving portion
The longitudinal axis of L3 connecting passage
The D1 impacting force
D2 transmits power
Claims (6)
1. fuel distributor; Be used for fuel is delivered to the injection valve of internal-combustion engine; This fuel distributor has and is used to admit distribution piping (2) and at least one the sparger receiving portion (4) that is in the fuel under the pressure; This distribution piping has fuel inlet (3); Wherein sparger receiving portion (4) is connected with distribution piping (2) through connecting passage (12) and distribution piping (2) can be fixed on the internal-combustion engine through at least one fixed element (5) that passes fixing device receiving portion (6); It is characterized in that: fixing device receiving portion (6) engages with distribution piping (2) through soldering joint (9) and sparger receiving portion (4) is arranged on the side that is opposite to soldering joint (9) (11) of fixing device receiving portion (6), and wherein connecting passage (12) longitudinal axis (L3) that passes fixing device receiving portion (6) and connecting passage (12) is provided with transverse to the longitudinal axis of the perforation of passing fixing device receiving portion (6) (7) (L1).
2. by the described fuel distributor of claim 1, it is characterized in that: fixing device receiving portion (6) formation sleeve shape.
3. by the described fuel distributor of claim 2, it is characterized in that: the longitudinal axis (L1) of perforation (7) is provided with the longitudinal axis (L2) of sparger receiving portion (4) in parallel with each other.
4. by each described fuel distributor of claim 1 to 3, it is characterized in that: sparger receiving portion (4) and fixing device receiving portion (6) formation one.
5. by each described fuel distributor of claim 1 to 3, it is characterized in that: fixing device receiving portion (6) has the mating face (10) that adapts to distribution piping (2) external frame.
6. by the described fuel distributor of claim 4, it is characterized in that: fixing device receiving portion (6) has the mating face (10) that adapts to distribution piping (2) external frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009006607.1A DE102009006607B4 (en) | 2009-01-29 | 2009-01-29 | Fuel distributor |
| DE102009006607.1 | 2009-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101793214A CN101793214A (en) | 2010-08-04 |
| CN101793214B true CN101793214B (en) | 2012-05-23 |
Family
ID=42308824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101078753A Expired - Fee Related CN101793214B (en) | 2009-01-29 | 2010-01-28 | Fuel distributor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101793214B (en) |
| DE (1) | DE102009006607B4 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010018615A1 (en) * | 2010-04-28 | 2011-11-03 | Audi Ag | Fuel supply device and method for producing such a fuel supply device |
| DE102011075052A1 (en) * | 2011-05-02 | 2012-11-08 | Robert Bosch Gmbh | fuel distributor |
| DE102011075058A1 (en) * | 2011-05-02 | 2012-11-08 | Robert Bosch Gmbh | fuel distributor |
| DE102016212936A1 (en) | 2016-07-15 | 2018-01-18 | Robert Bosch Gmbh | Fuel injection system and arrangement for a fuel injection system |
| KR101777062B1 (en) | 2016-10-21 | 2017-09-08 | 주식회사 현대케피코 | Mounting structure of fuel rail |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT3764U1 (en) | 1998-11-12 | 2000-07-25 | Avl List Gmbh | FUEL FEEDING SYSTEM FOR INTERNAL COMBUSTION ENGINES |
| US6640784B1 (en) * | 2002-10-09 | 2003-11-04 | Robert Bosch Corporation | Spark ignition direct injection system |
| DE10307530B4 (en) | 2003-02-21 | 2006-07-27 | Benteler Automobiltechnik Gmbh | Fastening element for a fuel rail for internal combustion engines |
| DE10322769A1 (en) | 2003-05-19 | 2005-03-03 | Winkelmann Palsis Motortechnik Gmbh & Co.Kg | Device for feeding fuel to internal combustion engine fuel injection valves has strip-shaped fixing element to which valve cups are additionally attached arranged on outside of fuel distribution line at least near valve cups |
| JP4199710B2 (en) * | 2004-08-03 | 2008-12-17 | 臼井国際産業株式会社 | Fuel delivery pipe |
| DE102004037787B4 (en) * | 2004-08-03 | 2006-05-18 | Benteler Automobiltechnik Gmbh | Fuel supply for internal combustion engine, has feed line with branch pipes on one side, and diagonal bores provided in connecting consoles of pipes penetrate centering spigot in longitudinal direction to connect blind holes with feed line |
| US7591246B2 (en) | 2006-01-17 | 2009-09-22 | Gm Global Technology Operations, Inc. | Isolated fuel delivery system |
| DE102006010244B3 (en) | 2006-03-02 | 2007-09-06 | Benteler Automobiltechnik Gmbh | Fuel distribution, for an internal combustion motor, has an injection molded plastics shrouding at the junction between the distribution tube and branch connections to the injectors with sleeve sections around them |
-
2009
- 2009-01-29 DE DE102009006607.1A patent/DE102009006607B4/en not_active Expired - Fee Related
-
2010
- 2010-01-28 CN CN2010101078753A patent/CN101793214B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101793214A (en) | 2010-08-04 |
| DE102009006607A1 (en) | 2010-08-05 |
| DE102009006607B4 (en) | 2015-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |