CN1898467A - Method for production of a fuel injection valve and fuel injection valve - Google Patents
Method for production of a fuel injection valve and fuel injection valve Download PDFInfo
- Publication number
- CN1898467A CN1898467A CNA2004800384947A CN200480038494A CN1898467A CN 1898467 A CN1898467 A CN 1898467A CN A2004800384947 A CNA2004800384947 A CN A2004800384947A CN 200480038494 A CN200480038494 A CN 200480038494A CN 1898467 A CN1898467 A CN 1898467A
- Authority
- CN
- China
- Prior art keywords
- valve
- fuel inlet
- longitudinal axis
- fuelinjection nozzle
- taken over
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 62
- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000005452 bending Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 241001672694 Citrus reticulata Species 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
-
- 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
- F02M61/166—Selection of particular materials
-
- 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
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
- F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
-
- 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
- F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
- F02M2200/505—Adjusting spring tension by sliding spring seats
-
- 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)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a fuel injection valve with a valve longitudinal axis (10), a fuel inlet nozzle (41), a valve closing body which moves axially along the valve longitudinal axis (10) and cooperates with a valve seat, provided on a valve seat body and at least one spray opening, downstream of the valve seat. The fuel inlet nozzle (41), made from a thin-walled tube (44), runs, starting at an inlet opening (60), with an upstream section (62) at an angle (alpha) to the valve longitudinal axis (10) which is larger than 0 DEG and less than or equal to 90 DEG. The fuel inlet nozzle (41) finally terminates at the downstream section (63) thereof on the valve longitudinal axis (10). The fuel injection valve is particularly suitable for application in fuel injection units in mixture-compressing, spark-ignited, internal combustion engines.
Description
Prior art
A kind of a kind of Fuelinjection nozzle that is used to make the method and the described type of claim 5 of Fuelinjection nozzle that the present invention relates to the described type of claim 1.
Shown in Figure 1 one from Fuelinjection nozzle commonly known in the art, it has a traditional top feeding structure, this structure is characterised in that, whole diversion components of injection valve extend along valve longitudinal axis alignment ground, wherein, go into head piece and be connected, go out head piece and point in the pumping tube in the sealing seat downstream or directly point in the firing chamber of internal-combustion engine with the interface short tube of fuel distributor.
Know a kind of Fuelinjection nozzle from DE 21 53 286 A1, it can be operated by traditional approach.This injection valve has an entry port to be taken over, and it is arranged in valve longitudinal axis next door.This injection valve also has a housing, constitutes all the other valve members in this housing, and like this, delivery is to valve seat under pressure between entry port adapter and fuel outlet for fuel, and valve closure body and this valve seat act synergistically.This housing is hidden by the closure of a lid formula in the side that becomes a mandarin, this housing except that entry port is taken over, also have one with the outlet short tube valve longitudinal axis alignment, that be used for excess fuel and some electrical connectors.The rollover edge of holding closure by a bag of housing is fixed on closure on the housing.Also be provided with a seal ring in the join domain between closure and housing.
Advantage of the present invention
Having the advantage that the inventive method feature, that be used to make Fuelinjection nozzle of claim 1 characteristic has is, can with simple especially and cheaply mode manufacturing have the minor structure height, be used for the Fuelinjection nozzle of narrow environment, for example be used on the motorcycle.Particularly advantageously be, but the Fuelinjection nozzle of the present invention with claim 5 characteristic feature has been finished the adjusting about the stroke of the valve member of axial motion and dynamic and quiescent flow fully in the real funtion part of injection valve, like this, then can no problem ground will in addition angled injection valve entry port devious with longitudinal axis, crooked take over by fixedlying connected and be assemblied in the injection valve link on the funtion part.
Can have the Fuelinjection nozzle that fuel inlet is taken over particularly advantageous mode manufacturing, the angle that these fuel inlets are taken over respect to the valve longitudinal axis can change between 0 ° to 90 °.
In addition, the entry port adapter of coming out in a side bending that constitutes like this makes that can accurately locate injection valve or simplification very simply reverses fixing.
Can advantageously further construct and improve the Fuelinjection nozzle that provides in the method that provides in the claim 1 and the claim 5 by the measure that provides in the dependent claims.
Fuel inlet is taken over the type exterior feature that a sawtooth like is set on the end at its upstream by desirable mode, makes it possible to be connected with hose clip with the flexible pipe of delivery fuel simply, and this hose proof is contained on the type exterior feature of this similar sawtooth.Can save other seal approach in this way, enclose as O shape.
Accompanying drawing
Simplify that in the accompanying drawings one embodiment of the present of invention being shown, explain in detail in the following description.Accompanying drawing illustrates:
Fig. 1 has the top fuel supplying device that extends with longitudinal axis alignment ground according to the Fuelinjection nozzle of prior art,
Fuel inlet of Fig. 2 is taken over, and have the flexible pipe connection possibility and also be input into inlet with the fuel of valve longitudinal axis alignment,
Fuel inlet of Fig. 3 is taken over, and has the flexible pipe connection possibility and is input into inlet with respect to the about 90 ° fuel of valve longitudinal axis bending.
Embodiment's explanation
Before the steps of a method in accordance with the invention of the method that is used to make Fuelinjection nozzle by Fig. 2 and 3 explanations, explain the basic structure of the Fuelinjection nozzle of prior art in detail by Fig. 1, it constitutes with so-called top feed injection valve.
Be used for mixing the fuel injection system of compression, forced-ignition internal combustion engine at Fig. 1 Electromagnetically activated valve that is the injection valve form shown in the example of passing the imperial examinations at the provincial level, it have 1 that center on by electromagnetic coil, as the interior utmost point and partly as fuel channel, in a tubular form iron core 2 largely.Electromagnetic coil 1 is surrounded by for example ferromagnetic valve outer cover 5 sleeve shape of an outside and terrace structure in a circumferential direction, and this valve outer cover is a magnetic circuit member as the outside of the outer utmost point.But electromagnetic coil 1, iron core 2 and the valve outer cover 5 common operating elements that constitute an electric excitation.
The electromagnetic coil 1 that embeds in the coil carrier 3 surrounds a valve sleeve 6 from the outside, and iron core 2 is placed in the hole 11 inside, that extend with one heart with valve longitudinal axis 10 of valve sleeve 6.For example ferritic valve sleeve 6 lengthwises stretch and thin-walled ground structure.Hole 11 is also as can be along the pilot hole of the needle 14 of valve longitudinal axis 10 axial motions.Valve sleeve 6 in the axial direction for example the pact of the whole axial length of extend through Fuelinjection nozzle half.
Also settled a valve body 15 except that iron core 2 and needle 14 in hole 11, it for example is fixed on the valve sleeve 6 by weld seam 8.Valve body 15 has a fixing valve seat surface 16 as valve seat.Needle 14 for example is made of the armature section 17 of a tubulose, a pin section 18 and a spherical valve closure body 19 equally in a tubular form, and wherein, valve closure body 19 is for example fixedlyed connected with pin section 18 by a weld seam.Distolaterally in the downstream of valve body 15 settled a for example injection porose disc 21 of jar shape, it twist and on circumference around built-in edge 20 be directed upwards towards against flow direction.Valve body 15 and spray porose disc 21 for example fixedly connected by one around, the weld seam of sealing realizes.In the pin section 18 of needle 14, be provided with one or more transverse holes 22, make the fuel that in inner longitudinal opening 23, flows through armature section 17 outwards can be squeezed and for example flow to valve seat surface 16 always along plat part 24 along valve closure body 19.
The operation of injection valve is carried out with the known manner electromagnetic type.Thereby the electromagnetic circuit with electromagnetic coil 1, inner iron core 2, outside valve outer cover 5 and armature section 17 is used for the axial motion of needle 14 and is used for opening injection valve or closing injection valve against the spring force that acts on the Returnning spring 25 on the needle 14.Armature section 17 is to deviate from the end alignment iron core 2 of valve closure body 19.
Spherical valve closure body 19 acts synergistically with the valve seat surface 16 that the truncated cone shape on flow direction of valve body 15 shrinks, and this valve seat surface downstream of the pilot hole in valve body 15 in the axial direction constitutes.Spray orifice plate 21 have at least one, four spray-holes 27 that go out by burn into laser beam drilling or piercing and shaping die for example.
The insertion depth of iron core 2 in injection valve also has decisive action for the stroke of needle 14.At this, the limit position of needle 14 when electromagnetic coil 1 is unexcited rests on by valve closure body 19 on the valve seat surface 16 of valve body 15 to be determined, needle 14 another limit position when electromagnetic coil 1 is energized rests on by armature section 17 on the core ends in downstream and obtains.Stroke adjustment is by the realization that moves axially of the iron core 2 for example made with cutting method such as turning, and this iron core 2 is fixedlyed connected with valve sleeve 6 then corresponding to the position of hope.
A through flow hole 28 that extends with one heart with longitudinal axis 10 of iron core 2 is used for to valve seat surface 16 direction transfer the fuels, in this through flow hole, and the regulating element that is adjustment sleeve 29 forms of except that Returnning spring 25, also packing into.This adjustment sleeve 29 is used to regulate the pre-pressure of the spring of the Returnning spring 25 that rests on the adjustment sleeve 29, and this Returnning spring is supported on the needle 14 with its relative the other end, and wherein, dynamically the adjusting of emitted dose is also undertaken by this adjustment sleeve 29.A fuel filter 32 is arranged in these adjustment sleeve 29 tops in the valve sleeve 6.
So far the characteristics of the injection valve of illustrated mistake are its special compact structure.These members constitute a preassembled individual components, and these parts are known as funtion part 30 below.That is, funtion part 30 mainly comprises as 1,2,5 and seal valves of electromagnetic circuit (valve closure body 19, valve body 15) of actuator and prepares element (spraying orifice plate 21) together with ensuing beam and as the valve sleeve 6 of matrix.
Be independent of funtion part 30 and produce one second parts, it is known as attachment portion 40 below.The characteristics of attachment portion 40 mainly are, it comprises being connected of electric and hydraulic pressure of Fuelinjection nozzle.Utilize the inventive method step should particularly further improve the compactedness of whole Fuelinjection nozzle by the attachment portion 40 that on purpose is shaped, its mode is to reduce the structure height of Fuelinjection nozzle.
Partly the fuel inlet of the attachment portion 40 of implementing as working of plastics with a metal taken over 41 and firm, protections and taken over the matrix 42 of the tubulose that 41 plastics make around this fuel inlet.The through flow hole 43 that extends with one heart with valve longitudinal axis 10 that fuel inlet is taken over 41 pipe 44 is used as the fuel entry port and is flow through by the side end that becomes a mandarin of fuel from Fuelinjection nozzle in the axial direction.
The hydraulic pressure of attachment portion 40 and funtion part 30 is connected and reaches thus after Fuelinjection nozzle assembles fully: the through flow hole 43 and 28 of two parts is placed in such correlation, makes to guarantee that fuel flows through in the clear.When being assembled to attachment portion 40 on the funtion part 30, the underpart 47 of pipe 44 is stretched in the hole 11 of valve sleeve 6 in order to improve connective stability.Plastic matrix 42 can be injected on the funtion part 30, and like this, these plastics directly surround the part of valve sleeve 6 and valve outer cover 5.Reliable sealing between the matrix 42 of funtion part 30 and attachment portion 40 for example reaches by the labyrinth sealing on the circumference of valve outer cover 5 46.
One also belongs to matrix 42 in company with the Electric plug with shutter in the injection moulding 56.Contact member is electrically connected with electromagnetic coil 1 on their the other end relative with attachment plug 56.
Two attachment portions 40 that have fuel inlet adapter 41 partly are shown, to illustrate the present invention in Fig. 2 and 3.At this, in Fig. 2, express once more, in known traditional fuel injection valve, must and be disposed aligned fuel inlet and take over 41, so that regulate the access hole that measure has corresponding adjustment means at any time for the necessity in the valve with valve longitudinal axis 10 parallel axes.
The feature that is used to make the inventive method of Fuelinjection nozzle is, a fuel inlet can be set on Fuelinjection nozzle take over 41, it extends with valve longitudinal axis 10 at an angle alpha from entry port 60 beginning of upstream, this angle greater than 0 ° and less than/equal 90 °.An embodiment shown in Figure 3, wherein fuel inlet is taken over 41 and is extended in first bending section 62 with the angle [alpha] of 10 one-tenth one 90 ° of valve longitudinal axis.Entry port 60 launches a plane that is parallel to 10 extensions of valve longitudinal axis in this case.At last, fuel inlet is taken over 41 and is stopped on valve longitudinal axis 10 with second section 63 of paralleling to the axis.Thereby fuel inlet is taken over 41 section 63 extension with one heart of aliging with valve longitudinal axis 10 in the ideal case.
The manufacturing of this Fuelinjection nozzle is carried out by this way: at first make the funtion part 30 of valve, it mainly comprises actuator 1,2,5 and seal valve 15,19.As matrix valve sleeve 6 for example is set.Then be an adjustment process after this manufacture process, in this process, carry out the adjusting and dynamically and the adjusting of quiescent flow of stroke of the valve member (needle 14, valve closure body 19) of axial motion fully.Then fuel inlet is taken over 41 and firmly is connected, make fuel inlet adapter 41 termination on valve longitudinal axis 10 with funtion part 30.At this, the end 47 that fuel inlet is taken over its section 63 that parallels to the axis of 41 usefulness is for example inserted in the hole 11 of valve sleeve 6 and then by welding, particularly laser bonding is fixed on the valve sleeve 6 of funtion part 30.Except that welding, can also use other connecting means such as soldering, bonding or kayser.
Take over 41 for stable and protection bending fuel inlet that come out, metal, it for example is the pipe 44 of a thin-walled, then for example seals fuel inlet by matrix 42 injection mouldings of plastic tubulose and takes over 41.At this, one together the attachment plug 56 in the injection moulding can belong to this matrix 42.Take over 41 the section 63 that parallels to the axis and manage section 62 angle [alpha] that 44 bending comes out when being in free state when matrix 42 only surrounds fuel inlet largely, obtained fuel inlet and taken over enough stable and excellent protection of 41 promptly not by plastic encapsulation with its hope.
Fuel inlet is taken over 41 and is provided with the type exterior feature 61 of sawtooth like at its upstream on the end by desirable mode in the zone of the section 62 that bending is come out, can simply be connected with hose clip with the flexible pipe of unshowned delivery fuel like this, this hose proof is on the type exterior feature of this similar sawtooth.Can save other seal approach such as O shape circle in this way.
Claims (10)
1. be used to make the method for Fuelinjection nozzle, this Fuelinjection nozzle has a valve longitudinal axis (10), a fuel inlet is taken over (41), a valve closure body (19), this valve closure body can be in the axial direction along valve longitudinal axis (10) motion and this valve closure body and valve seat (a 16) synergy that is arranged on the valve body (15), also has at least one spray-hole (27) in valve seat (16) downstream, it is characterized in that
Make the funtion part (30) of valve, this funtion part comprises actuator (1,2,5) and seal valve (15,19),
Regulating this funtion part (30) aspect stroke and the flow,
Prepare fuel inlet therewith dividually and take over (41), this fuel inlet take over from entry port (60) beginning and valve longitudinal axis (10) at an angle (α) extend, this angle greater than 0 ° and less than/equal 90 °,
Fuel inlet is taken over (41) firmly be connected, make fuel inlet take over (41) and go up termination at valve longitudinal axis (10) with funtion part (30).
2. according to the method for claim 1, it is characterized in that fuel inlet is taken over (41) and is fixed on the valve sleeve (6) of funtion part (30).
3. according to the method for claim 2, it is characterized in that it is fixing by welding, especially laser bonding is carried out that fuel inlet is taken over (41).
4. according to the method for one of claim 1 to 3, it is characterized in that, fuel inlet take over (41) after fixing at least in part by plastic matrix (42) jacket.
5. the Fuelinjection nozzle that is used for the fuel injection system of internal-combustion engine, has a valve longitudinal axis (10), a fuel inlet is taken over (41), a valve closure body (19), this valve closure body can be in the axial direction along valve longitudinal axis (10) motion and this valve closure body and valve seat (a 16) synergy that is arranged on the valve body (15), also has at least one spray-hole (27) in valve seat (16) downstream, it is characterized in that, fuel inlet take over (41) from entry port (60) beginning become with valve longitudinal axis (10) one greater than 0 ° and less than/equaling 90 ° angle extends (α) and finally stops at valve longitudinal axis (10).
6. according to the Fuelinjection nozzle of claim 5, it is characterized in that entry port (60) launches a plane, this plane parallel is extended in valve longitudinal axis (10).
7. according to the Fuelinjection nozzle of claim 5 or 6, it is characterized in that fuel inlet is taken over (41) pipe (44) formation by thin-walled, this pipe embeds in the matrix (42) at least in part.
8. according to the Fuelinjection nozzle of claim 7, it is characterized in that matrix (42) is made of plastic.
9. according to the Fuelinjection nozzle of claim 7 or 8, it is characterized in that matrix (42) only encases the section (63) that parallels to the axis and extend that fuel inlet is taken over (41) largely.
10. according to the Fuelinjection nozzle of one of claim 5 to 9, it is characterized in that fuel inlet is taken over (41) and is provided with the type exterior feature (61) of sawtooth like in the end at its upstream.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2003160774 DE10360774A1 (en) | 2003-12-23 | 2003-12-23 | Method of manufacturing a fuel injector and fuel injector |
| DE10360774.9 | 2003-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1898467A true CN1898467A (en) | 2007-01-17 |
| CN100449141C CN100449141C (en) | 2009-01-07 |
Family
ID=34706488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800384947A Expired - Fee Related CN100449141C (en) | 2003-12-23 | 2004-11-10 | Method for production of a fuel injection valve and fuel injection valve |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1706634B1 (en) |
| JP (1) | JP4096008B2 (en) |
| CN (1) | CN100449141C (en) |
| BR (1) | BRPI0406513A (en) |
| DE (2) | DE10360774A1 (en) |
| WO (1) | WO2005064148A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4177775B2 (en) | 2004-03-16 | 2008-11-05 | 株式会社東芝 | Semiconductor substrate, manufacturing method thereof, and semiconductor device |
| DE102005037953B4 (en) * | 2005-08-11 | 2016-12-08 | Robert Bosch Gmbh | Fuel injector |
| DE102005061424A1 (en) * | 2005-12-22 | 2007-07-05 | Robert Bosch Gmbh | Fuel injection valve for internal combustion engine, has movable actuating part with valve seat body including saw-tooth structure at outer periphery to provide firm connection with valve seat carrier |
| DE102005061410A1 (en) * | 2005-12-22 | 2007-06-28 | Robert Bosch Gmbh | Electromagnetically operated valve comprises axle together with core and plastic coil body in which coil is wound |
| DE102005061408A1 (en) | 2005-12-22 | 2007-06-28 | Robert Bosch Gmbh | Combined plastic and metal component e.g. automotive fuel injection valve has serrated metal edge to plastic interface |
| JOP20190060A1 (en) * | 2016-09-26 | 2019-03-26 | Chugai Pharmaceutical Co Ltd | Pyrazolopyridine derivative having glp-1 receptor agonist effect |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2127146A5 (en) | 1971-02-25 | 1972-10-13 | Brev Etudes Sibe | |
| GB8709712D0 (en) * | 1987-04-24 | 1987-05-28 | Lucas Ind Plc | Fuel injection nozzle |
| JP2508776B2 (en) * | 1987-12-21 | 1996-06-19 | いすゞ自動車株式会社 | Fuel injection nozzle for direct injection diesel engine |
| DE19829380A1 (en) * | 1998-07-01 | 2000-01-05 | Bosch Gmbh Robert | Fuel injection valve for IC engines |
| DE10008554A1 (en) * | 2000-02-24 | 2001-08-30 | Bosch Gmbh Robert | Fuel injection valve for internal combustion engines |
| JP3829704B2 (en) * | 2001-11-30 | 2006-10-04 | 株式会社デンソー | Fuel injection valve |
| JP3884310B2 (en) * | 2002-03-22 | 2007-02-21 | 愛三工業株式会社 | Electromagnetic fuel injection valve |
| JP4082929B2 (en) * | 2002-05-21 | 2008-04-30 | 株式会社日立製作所 | Fuel injection valve |
-
2003
- 2003-12-23 DE DE2003160774 patent/DE10360774A1/en not_active Withdrawn
-
2004
- 2004-11-10 DE DE502004009983T patent/DE502004009983D1/en active Active
- 2004-11-10 WO PCT/EP2004/052904 patent/WO2005064148A1/en active Application Filing
- 2004-11-10 EP EP04801921A patent/EP1706634B1/en not_active Expired - Fee Related
- 2004-11-10 CN CNB2004800384947A patent/CN100449141C/en not_active Expired - Fee Related
- 2004-11-10 JP JP2005518317A patent/JP4096008B2/en not_active Expired - Fee Related
- 2004-11-10 BR BR0406513-1A patent/BRPI0406513A/en active Search and Examination
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006510852A (en) | 2006-03-30 |
| WO2005064148A1 (en) | 2005-07-14 |
| CN100449141C (en) | 2009-01-07 |
| EP1706634B1 (en) | 2009-08-26 |
| DE502004009983D1 (en) | 2009-10-08 |
| JP4096008B2 (en) | 2008-06-04 |
| BRPI0406513A (en) | 2005-12-20 |
| EP1706634A1 (en) | 2006-10-04 |
| DE10360774A1 (en) | 2005-07-28 |
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