CN102748176A - Apparatus for supplying fuel to oil injection valve of combustion engine - Google Patents
Apparatus for supplying fuel to oil injection valve of combustion engine Download PDFInfo
- Publication number
- CN102748176A CN102748176A CN2011104528817A CN201110452881A CN102748176A CN 102748176 A CN102748176 A CN 102748176A CN 2011104528817 A CN2011104528817 A CN 2011104528817A CN 201110452881 A CN201110452881 A CN 201110452881A CN 102748176 A CN102748176 A CN 102748176A
- Authority
- CN
- China
- Prior art keywords
- semicanal
- piping element
- shapes
- piping
- injection 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.)
- Pending
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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
- 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
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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
-
- 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
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
The present invention relates to an apparatus for supplying fuel to an oil injection valve of a combustion engine, provided with a tubular high pressure distribution pipe and a containing sleeve used for an oil injection valve, and also provided with connection and fixing components when necessary, wherein the apparatus can be manufactured with a low cost, but is simultaneously used for high pressure. The apparatus is formed as follows: the high pressure distribution pipe is formed by two mutually-connected semi-tubular pipe components (2, 3) which are sealed through pressure and fluid, the pipe components are manufactured through deformation or formation, and the containing sleeve and the connection and fixing components (5) when necessary are integrally molded on the arranged semi-tubular pipe components (2, 3).
Description
Technical field
The present invention relates to a kind of device that is used to supply fuel to the injection valve of internal-combustion engine, this device has tubular high pressure distribution duct and is used for the cover that holds of injection valve, and has in case of necessity and connect and fixed element.
Background technique
This high pressure pipe line that uses in the internal-combustion engine is in modern times processed by the pipe of seamless drawing usually, in these pipes, introduces connection opening, can hold the cover that holds that is used for injection valve.The cover and realize the wiper seal and being connected of fluid-tight of body by means of high-temperature soldering.This high pressure pipe line just successfully uses in motor is made for a long time, and to for example in DENG, using up to the pressure range of 2000bar.This high pressure requirement pipe has suitable wall thickness and only can make relatively costlyly.
By the injection pipe that vertically separates that becomes known for low pressure range among DE 40 39 118 A1 and the US 4,457,280, yet these injection pipes obviously are inappropriate for as high pressure pipe line.
By DE 196 47 049 A1 and the known binary high pressure accumulator of DE 199 48 257 A1, it is configured to hemisphere and is inappropriate for as pipeline.
Summary of the invention
The object of the present invention is to provide such device that is used to supply fuel to the injection valve of internal-combustion engine, it can make with low costly, but is applicable to high pressure applications simultaneously.
According to the present invention; This purpose realizes through following mode in the device of aforementioned type; Being the high pressure distribution duct is formed by the piping element of two wiper seals and fluid-tight ground semicanal shape connected to one another; Said piping element is made through distortion (Umformung) or (originally) shaping (Urformung), wherein holds cover and connection in case of necessity and fixed element and is molded into integratedly on the piping element of the semicanal shape that sets.
Therefore, according to the present invention, the body of this device is not made up of the pipe of seamless drawing, but is made up of the piping element of two semicanal shapes, and said piping element is through being out of shape or being shaped with essential wall thickness manufacturing.In manufacture process, simultaneously, it is together molded integratedly that all hold cover and other connection in case of necessity and fixed element.The piping element of the semicanal shape of making like this is connected to each other with then also only needing wiper seal and fluid-tight, preferably through high-temperature soldering wiper seal and fluid-tight be connected to each other.
Set in particularly preferred embodiments, the longitudinal edge of the piping element of two semicanal shapes is constructed so complimentary to one anotherly, make two semicanal shapes piping element each other shape connect sealedly.Therefore, the piping element with two semicanal shapes forms the sealed connection of shape when fitting together; This connection is used for fixing this two parts on the one hand; Be used for follow-up connection procedure (preferred high-temperature soldering), (welding) that form thus to high pressure pipe line connects off-load on the other hand.
Additionally or alternately preferably further set, the longitudinal edge of the piping element of two semicanal shapes is constructed so complimentary to one anotherly, make two semicanal shapes piping element area of contact greater than with the pipe cross sectional area of this longitudinal edge adjacency.Have or do not have the area of contact of the sealed structure of additional shape through increase, guaranteed the better wiper seal of two members and being connected of fluid-tight.
Set according to first preferred embodiment, the piping element of two semicanal shapes is made through the plate distortion.
Particularly preferably set at this, the piping element of two semicanal shapes is through the deep-draw manufacturing.In the deep-draw process, the preferred interaction simultaneously of connection that all are required and fixed element and connecting sleeve.
Alternately can also set, the piping element of two semicanal shapes is through die casting or forge manufacturing.
Description of drawings
Hereinafter with reference to the present invention exemplarily is described in the accompanying drawing in more detail.In the accompanying drawings:
Fig. 1 illustrates the perspective view according to the simplification of device of the present invention; And
Fig. 2 to 7 illustrates the cross section of the different form of implementation of said device respectively.
Embodiment
The device of injection valve that is used for supplying fuel to internal-combustion engine is whole by reference character 1 expression in Fig. 1.Device 1 has the tubular high pressure distribution duct that only partly illustrates.This high pressure distribution duct is formed by the piping element 2,3 of two wiper seals and fluid-tight ground semicanal shape connected to one another.
The piping element 2,3 of each semicanal shape preferred through deep-draw by sheet metal manufacturing with the plate thickness that is suitable for high-voltage applications.At this preferably, in a unique deep-draw process, connecting sleeve 4 and other connection and fixed element, for example fixed tabs 5 are together molded integratedly.In the embodiment shown, connecting sleeve 4 and fixed tabs 5 are constituent elements of one of the piping element 3 of semicanal shape.Certainly in principle, also can other connection and the fixed element of an interaction on second half tubular piping element 2, this is not shown in figures.
The piping element 2,3 of two semicanal shapes also can be made through other deformation processes or through be shaped (for example through die casting or forging).
In order to form high pressure pipe line, the piping element 2 and 3 of two semicanal shapes be fixed to go up each other and on surface of contact preferably through sealing of high pressure welding pressure and fluid-tight be connected to each other.
At this, as shown in Figure 1, particularly preferably set, the longitudinal edge 2a or the 3a of the piping element 2,3 of two semicanal shapes construct so complimentary to one anotherly, make piping element 2,3 shapes of two semicanal shapes be connected to each other sealedly.For this reason; In the embodiment in figure 1; Structure outside tab 6 on the longitudinal edge 2a of piping element 2, and on the longitudinal edge 3a of piping element 3 the complementary interior side tabs 7 of structure, wherein contact pin 6,7 sealed kayser each other of shape when two piping elements 2,3 are fitted together.
Before fitting together; For example utilize soldering paste to apply two piping elements 2, the surface of contact between 3; Then two piping elements 2,3 are connected to each other; And these two piping elements are fixed to each other through the sealed connection of shape automatically go up, thereby do not need other fixing for follow-up welding process.
Alternately, longitudinal edge 2a, the 3a of the piping element 2,3 of two semicanal shapes also construct so complimentary to one anotherly, make two semicanal shapes piping element area of contact greater than with the pipe cross sectional area of longitudinal edge 2a, 3a adjacency.This means that in the embodiment in figure 1 contact pin 6 and 7 is not kayser ground, but overlap each other with a gap.
In the other embodiment of this device shown in Fig. 2 to 7, wherein use the reference character identical with Fig. 1.
These embodiments only relate to the longitudinal edge 2a of two piping elements 2 and 3, the expansion scheme of 2b respectively.Therefore connecting sleeve and other molded elements are not shown.
The difference of the form of implementation of Fig. 2 and the form of implementation of Fig. 1 is, contact pin 6,7 transposings, and promptly piping element 2 has interior side tabs 6 in this embodiment, and another piping element 3 has outside tab 7. Contact pin 6,7 is constructed again so complimentary to one anotherly, makes when two piping elements 2,3 are connected to each other, to exist kayser to connect, and perhaps contact pin designs so complimentary to one anotherly, makes them have the gap.No longer form kayser thus and connect, but two piping elements 2, the area of contact between 3 increase with respect to routine pipe cross sectional area.
Fig. 3 illustrates the cross section of the device that does not have connecting sleeve and fixed element.Device shown in Figure 3 is corresponding to the device of Fig. 1.
In Fig. 4, several embodiments shown in 5 and 6, wherein two piping elements 2, do not have the sealed connection of shape between 3.The longitudinal edge of the piping element 2,3 of two semicanal shapes is constructed respectively so complimentary to one anotherly in these forms of implementation, make two semicanal shapes piping element 2,3 surface of contact greater than with the pipe cross section of longitudinal edge 2a, 3a adjacency.
In the embodiment of Fig. 4, longitudinal edge 2a, 3a are outside like this to be widened, and makes the width of surface of contact increase.In the embodiment of Fig. 5, longitudinal edge 2a, 3a inwardly widen.
In contrast to this, in the embodiment of Fig. 6, longitudinal edge 2a, 3a outwards and inwardly widen respectively with respect to conventional cross section, thereby form wide especially surface of contact.At last, in a form of implementation shown in Fig. 7, wherein the piping element 3 of semicanal shape has the semicanal shape, and piping element 2 has the contact pin to interior orientation on longitudinal edge 2a, and the inside of induction element 3 is rabbeted in this contact pin.
Certainly, the invention is not restricted to illustrated embodiment.Under the situation that does not deviate from basic design, other embodiments also are fine.Therefore, longitudinal edge 2a, 3a can also other modes design, to realize that kayser connects and/or the increase of area of contact.
Claims (6)
1. be used to supply fuel to the device of the injection valve of internal-combustion engine, have tubular high pressure distribution duct and be used for the cover that holds of injection valve, and have in case of necessity and connect and fixed element,
It is characterized in that; Said high pressure distribution duct is by the piping element (2 of two wiper seals and fluid-tight ground semicanal shape connected to one another; 3) form; Said piping element is through distortion or be shaped to make, and wherein holds on the piping element (2,3) that cover (4) and connection in case of necessity and fixed element (5) be molded into the semicanal shape that sets integratedly.
2. according to the described device of claim 1, it is characterized in that (2a 3a) constructs the longitudinal edge of the piping element of said two semicanal shapes (2,3) so complimentary to one anotherly, makes piping element (2, the 3) shape of two semicanal shapes be connected to each other sealedly.
3. according to claim 1 or 2 described devices; It is characterized in that the longitudinal edge (2a of the piping element of said two semicanal shapes (2,3); 3a) construct so complimentary to one anotherly; Make two semicanal shapes piping element (2,3) area of contact greater than with longitudinal edge (2a, 3a) the pipe cross sectional area of adjacency.
4. according to claim 1,2 or 3 described devices, it is characterized in that the piping element of said two semicanal shapes (2,3) is through the sheet deformation manufacturing.
5. according to the described device of claim 4, it is characterized in that the piping element of said two semicanal shapes (2,3) is through the deep-draw manufacturing.
6. according to claim 1,2 or 3 described devices, it is characterized in that the piping element of said two semicanal shapes (2,3) is through die casting or forge manufacturing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011018429A DE102011018429A1 (en) | 2011-04-21 | 2011-04-21 | Device for supplying fuel to injection valves of an internal combustion engine |
| DE102011018429.5 | 2011-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102748176A true CN102748176A (en) | 2012-10-24 |
Family
ID=45992238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104528817A Pending CN102748176A (en) | 2011-04-21 | 2011-12-30 | Apparatus for supplying fuel to oil injection valve of combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102748176A (en) |
| DE (1) | DE102011018429A1 (en) |
| WO (1) | WO2012143282A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443439A (en) * | 2019-09-04 | 2021-03-05 | 本特勒尔汽车技术有限公司 | Fuel distributor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020116532B3 (en) | 2020-06-23 | 2021-12-23 | Benteler Automobiltechnik Gmbh | Fuel rail |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4457280A (en) | 1982-05-04 | 1984-07-03 | Sharon Manufacturing Company | Fuel injection rail assembly |
| JP2789481B2 (en) | 1989-12-08 | 1998-08-20 | 臼井国際産業株式会社 | Fuel delivery pipe |
| US5924457A (en) * | 1995-06-28 | 1999-07-20 | Calsonic Corporation | Pipe and method for producing the same |
| DE19647049A1 (en) | 1996-11-14 | 1998-05-20 | Bosch Gmbh Robert | Fuel injection system |
| JP2001020824A (en) * | 1999-07-02 | 2001-01-23 | Keihin Corp | Fuel distribution pipe in fuel injection system |
| DE19948257A1 (en) | 1999-10-07 | 2001-04-12 | Bosch Gmbh Robert | High pressure fuel reservoir for common-rail fuel injection system for autombile engine has spherical base body formed in 2 or more parts welded together and secured by mechanical fixings |
| JP4133467B2 (en) * | 2003-03-11 | 2008-08-13 | 三桜工業株式会社 | Delivery pipe for fuel injector |
| JP4149365B2 (en) * | 2003-11-20 | 2008-09-10 | 三桜工業株式会社 | Fuel injection rail |
| JP2006316650A (en) * | 2005-05-11 | 2006-11-24 | Usui Kokusai Sangyo Kaisha Ltd | Fuel delivery pipe |
| DE102006061563A1 (en) * | 2006-12-27 | 2008-07-03 | Robert Bosch Gmbh | Fuel distributor for fuel injection system, has retainer formed in single-piece with one housing shell, and connecting piece for fuel line formed with one of two housing shells, where each shell is made of rustproof steel sheet metal |
-
2011
- 2011-04-21 DE DE102011018429A patent/DE102011018429A1/en not_active Withdrawn
- 2011-12-30 CN CN2011104528817A patent/CN102748176A/en active Pending
-
2012
- 2012-04-12 WO PCT/EP2012/056622 patent/WO2012143282A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443439A (en) * | 2019-09-04 | 2021-03-05 | 本特勒尔汽车技术有限公司 | Fuel distributor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012143282A1 (en) | 2012-10-26 |
| DE102011018429A1 (en) | 2012-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121024 |