CN100359157C - Fuel shooting valve - Google Patents

Fuel shooting valve Download PDF

Info

Publication number
CN100359157C
CN100359157C CNB2004100833238A CN200410083323A CN100359157C CN 100359157 C CN100359157 C CN 100359157C CN B2004100833238 A CNB2004100833238 A CN B2004100833238A CN 200410083323 A CN200410083323 A CN 200410083323A CN 100359157 C CN100359157 C CN 100359157C
Authority
CN
China
Prior art keywords
mentioned
valve
body component
nozzle
periphery
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
Application number
CNB2004100833238A
Other languages
Chinese (zh)
Other versions
CN1626789A (en
Inventor
新井淳
三泽智一
山田博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN1626789A publication Critical patent/CN1626789A/en
Application granted granted Critical
Publication of CN100359157C publication Critical patent/CN100359157C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fuel-Injection Apparatus (AREA)

Abstract

The object of invention is to provide a fuel injection valve for preventing dew condensation/freezing of a nozzle plate by using a protector.The fuel injection valve comprises: a valve body 21 having a valve seat surface 20 formed to a wall face of a fuel passage 2; a valve element 22 disposed in the fuel passage 2; the nozzle plate 23 attached to a tip face of the valve body 21 and having a plurality of nozzle holes 23a; and the protector 24 attached to an outer periphery of the valve body 21 and arranged to surround an outer periphery of the nozzle plate 23. The protector 24 is constituted of a resin protector member 26 and a metal protector member 27. The resin protector member 26 is press-fitted into the outer periphery of the valve body 21, and its inner peripheral locking projection 26a is locked into a locking groove part 21a of the valve body 21. The metal protector member 27 is press-fitted in the outer periphery of the resin protector 26, an outer peripheral locking projection 26b is locked into its locking groove part 27c, and is provided with a protecting part 27b surrounding the outer periphery of the nozzle plate 23.

Description

Fuelinjection nozzle
Technical field
The present invention relates to suction side at internal-combustion engine with scheduled time and spray the Fuelinjection nozzle of desirable amount.
Background technique
Various Fuelinjection nozzles are proposed in the prior art.Patent documentation 1 discloses the wherein Fuelinjection nozzle of an example of conduct.
The Fuelinjection nozzle 100 of above-mentioned document, possess as shown in Figure 6, form the housing 102 of the upper portion 101a of fuel flow path 101 in inside, be fixed on the bottom of this housing 102 and open and close the valve system 103 of the following quadrate part 101b of fuel flow path 101, and make this valve system 103 drive valve position and close the electromagnetic driver (figure is expression) that moves between the valve position.
Valve system 103 possesses, form the following quadrate part 101b of fuel flow path 101 and form the valve body 105 of valve seat surface 104 at the wall of the following quadrate part 101b of this fuel flow path 101, be configured in the following quadrate part 101b of fuel flow path 101 and be close to valve seat surface 104 close valve position and the face of lifting off a seat open the valve plug 106 that moves between the valve position, be installed on the front-end face of following quadrate part 101b opening of fuel flow path 101 of valve body 105 and have the spray nozzle board 107 that is communicated with fuel flow path 101 and outside a plurality of nozzle bore 107a and dispose and be installed in protective body 108 on the valve body 105 in the mode of the periphery of surrounding this spray nozzle board 107.
Protective body 108 dispose by mode with the periphery of surrounding spray nozzle board 107 and have outer circumferential face fastening projection 109a metal metal protection body component 109 and be pressed into the periphery of valve body 105 and the fastening end difference 110a fastening of inner peripheral surface constitutes at the resinous resin protective body component 110 of the fastening projection 109a of metal protection body component 109.
Secondly, the effect of Fuelinjection nozzle 100 is described.Valve plug 106 is positioned to close valve position, and the fuel of pressurization is flowed into.In this state, if electromagnetic driver is energized, then valve plug 106 is displaced to out valve position from closing valve position, and the fuel in the fuel flow path 101 sprays from a plurality of nozzle bore 107a of spray nozzle board 107.If the energising of electromagnetic driver is stopped, then valve plug 106 turns back to and closes valve position, stops the injection of fuel.Like this, by the energising no electric circuit of electromagnetic driver, fuel is in sucking pipe (figure expression), with scheduled time and spray desirable amount.
But, in engine start,,, to compare with spray nozzle board 107 so pass through the latent heat of vaporization of the fuel of injection owing to dispose the higher metal protection body component 109 of pyroconductivity in the periphery of spray nozzle board 107, metal protection body component 109 is cooled to more low temperature.Therefore, the airborne moisture of spray nozzle board 107 peripheries freezes in metal protection body component 109 dewfall, can prevent to freeze to the dewfall of spray nozzle board 107.
In addition, after motor stops, if below the air cooling to 0 in the sucking pipe ℃, then pass through the air cooling valve system 103 of cooling, but resin protective body component 110 is owing to cover the periphery of metal protection body component 109, so suppress metal protection body component 109, and then cooling of spray nozzle board 107.Suppose at metal protection body component 109 and spray nozzle board 107 and be cooled under the situation of degree of dewfall, for the above reasons, the airborne moisture of spray nozzle board 107 peripheries freezes in metal protection body component 109 dewfall, can prevent to freeze to the dewfall of spray nozzle board 107.
Whenever according to the above, in engine start,, can prevent to freeze by the dewfall of spray nozzle board 107 made nozzle bore 107a obturation after motor stopped.
Patent documentation 1: the spy opens the 2003-214288 communique
But, in the Fuelinjection nozzle 100 of above-mentioned conventional example, be pressed into valve body 105 by the resiliently deformable of utilizing resin protective body component 110 protective body 108 be installed.That is, because the fixing elastic restoring force that only exists with ... resin protective body component 110 to valve body 105 of protective body 108, so if because then there is the problem that comes off from valve body 105 at an easy rate in resin protective body component 110 hole enlargements laterally such as thermal expansion.The protective body 108 that has come off exists and enters into in-engine problem, if enter in the motor, then can destroy the thing of motor etc.
Summary of the invention
The present invention makes in view of above-mentioned thing, and goal of the invention is to provide a kind of Fuelinjection nozzle, and it can prevent that by protective body the dewfall of spray nozzle board from freezing, and its protective body can not come off from valve body owing to thermal expansion etc.
For achieving the above object, the Fuelinjection nozzle of the 1st aspect of the present invention record, it possesses, have fuel flow path in inside and form the valve body of valve seat surface at the wall of this fuel flow path, configuration and be close to closing valve position and opening between the valve position valve plug that moves of above-mentioned valve seat surface in above-mentioned fuel flow path from what valve seat surface left, be installed on the front-end face of above-mentioned fuel flow path opening of above-mentioned valve body and have the spray nozzle board of a plurality of nozzle bores that are communicated with above-mentioned fuel flow path, with periphery that is installed in above-mentioned valve body and the protective body that disposes in the mode of the periphery of surrounding the said nozzle plate, it is characterized in that, above-mentioned protective body by the periphery that is pressed into above-mentioned valve body and the fastening of interior Zhou Kading projection at the resinous resin protective body component of the fastening slot part of above-mentioned valve body be pressed into the periphery of this resin protective body component and constitute in the periphery fastening projection of this resin protective body component of interior Zhou Kading slot part fastening and metal metal protection body component with protection body of the periphery of surrounding the said nozzle plate.
In addition, constituting of the 2nd aspect record of the present invention, in the Fuelinjection nozzle of record, the protection body of metal protection body component has the opening portion that above-mentioned a plurality of nozzle bore is exposed aspect the 1st, and this opening portion is set at the size that above-mentioned a plurality of nozzle bore is all exposed.
In addition, what the 3rd aspect of the present invention was put down in writing constitutes, and in the Fuelinjection nozzle of record, the opening portion of above-mentioned metal protection body component forms the shape of hole enlargement gradually along with the fuel injection direction towards above-mentioned a plurality of nozzle bores aspect the 2nd.
According to the 1st aspect of the present invention, though since the resin protective body component because thermal expansion etc. laterally will resiliently deformable, also can stop, so protective body can not come off from valve body by the metal protection body component.In addition, owing to dispose metal protection body, freeze in protection body dewfall not at spray nozzle board in the periphery of spray nozzle board.Thus, can prevent that by protective body the dewfall of spray nozzle board from freezing, and its protective body can not come off owing to thermal expansion etc. from valve body.
According to the 2nd aspect of the present invention, because fuel is sprayed from whole nozzle bores reliably, so can realize the injection of established amount.
According to the 3rd aspect of the present invention, owing to the fuel that sprays radially from nozzle bore is not interfered the ground injection of protection body, so can realize spraying smoothly.
Description of drawings
Fig. 1 represents one embodiment of the invention, is the whole sectional drawing of Fuelinjection nozzle;
Fig. 2 represents one embodiment of the invention, is the sectional drawing of valve system;
Fig. 3 represents one embodiment of the invention, is the expansion sectional drawing of wanting portion of valve system;
Fig. 4 represents one embodiment of the invention, is the sectional drawing of resin protective body component;
Fig. 5 represents one embodiment of the invention, is the sectional drawing of metal protection body component;
Fig. 6 represents conventional example, is the sectional drawing of the valve system of Fuelinjection nozzle.
Embodiment
Below, with reference to the relevant one embodiment of the invention that embody of description of drawings.
Fig. 1～Fig. 5 represents one embodiment of the invention, Fig. 1 is the whole sectional drawing of Fuelinjection nozzle, and Fig. 2 is the sectional drawing of valve system, and Fig. 3 is the expansion sectional drawing of wanting portion of valve system, Fig. 4 is the sectional drawing of resin protective body component, and Fig. 5 is the sectional drawing of metal protection body component.
In Fig. 1, Fuelinjection nozzle 1 possesses the housing 3 that forms the upper portion 2a of fuel flow path 2 in inside, opens and closes the valve system 4 of fuel flow path 2, and makes this valve system 4 drive valve position and close the electromagnetic driver 5 that moves between the valve position.
Housing 3 by the pipe part 6 of the upper portion 2a that forms fuel flow path 2 in inside and be configured in this pipe part 6 periphery a plurality of component-assembled such as resin module 7 and constitute.
Electromagnetic driver 5 possesses, be fixed on the interior fixed iron core 10 of upper portion 2a of fuel flow path 2, be configured in the interior movable core 11 of upper portion 2a of equal fuel circulation flow path 2 with moving freely, spring 12 this movable core 11 application of force of (closing the valve position side) downwards is contained in the electromagnetic coil portion 13 in the housing 3 in the circumferential position of fixed iron core 10 and movable core 11.Fixed iron core 10 and movable core 11 form the shape that the fuel in the fuel flow path 2 can be circulated.
Valve system 4, possess as shown in Figure 2, form the following quadrate part 2b of fuel flow path 2 in inside and form the valve body 21 of valve seat surface 20 at the wall of the following quadrate part 2b of this fuel flow path 2, be configured in the interior valve plug 22 of following quadrate part 2a of fuel flow path 2 with moving freely, be installed in the spray nozzle board 23 on the front-end face of following quadrate part 2b opening of fuel flow path 2 and dispose and be installed in protective body 24 on the valve body 21 in the mode of the periphery of surrounding this spray nozzle board 23.
Valve body 21 has the general cylindrical shape shape, forms fastening slot part 21a on the outer circumferential face of forward end.
Valve plug 22 links movable cores 11 by connecting rod 25, by moving of movable core 11, is being close to closing valve position and moving from opening between the valve position of leaving upward of valve seat surface 20 of valve seat surface 20.Valve plug 22 and connecting rod 25 form the shape that the fuel that makes in the fuel flow path 2 can circulate opening of valve plug 22 under the valve state.
Spray nozzle board 23 has roughly discoideus, forms a plurality of nozzle bore 23a that are communicated with fuel flow path 2 in the central on the position.Spray nozzle board 23 is for example fixing by welding on the front-end face of valve body 21.
Protective body 24 is made of resinous resin protective body component 26 and the metal protection body component 27 that formed by the high metal of pyroconductivity.In this embodiment, metal protection body component 27 is formed by the very high aluminium of pyroconductivity.
Resin protective body component 26 as shown in Figure 4, has roughly ring-type, and interior Zhou Jing directly compares microrelief one-tenth slightly with the periphery of valve body 21.In resin protective body component 26, on the side face interior Zhou Kading projection 26a is set within it respectively, periphery fastening projection 26b is set on outer circumferential face.In addition, form the locator protrusions 26c that is darted at periphery, form slit 26d along axle direction appropriate intervals ground inserting rear end side in the insertion forward end of resin protective body component 26.
Zhou Kading projection 26a compressive strain in resin protective body component 26 makes on one side is Yi Bian be pressed into the periphery of the forward end of valve body 21, the fastening slot part 21a of interior Zhou Kading projection 26a fastening valve body 21.
Metal protection body component 27, as shown in Figure 5, by the fixedly ring portion 27a of ring-type and be arranged on this fixedly the protection body 27b of the below of ring portion 27a constitute.Fixedly the interior Zhou Jing of ring portion 27a directly compares microrelief one-tenth slightly with the periphery of resin protective body component 26, forms fastening slot part 27c within it on the side face.Protection body 27b has the opening portion 27d that connects on above-below direction.
Metal protection body component 27 makes the periphery fastening projection 26b compressive strain of resin protective body component 26 on one side, Yi Bian be pressed into the periphery of resin protective body component 26, the periphery fastening projection 26b fastening fastening slot part 27c of resin protective body component 26.Protection body 27b disposes in the mode of the periphery of encirclement spray nozzle board 23, by opening portion 27d a plurality of nozzle bore 23a of spray nozzle board 23 is exposed to the outside simultaneously.Opening portion 27d is set at the size that a plurality of nozzle bore 23a are all exposed.In addition, opening portion 27d is along with the shape that forms hole enlargement gradually towards the fuel injection direction (at the accompanying drawing lower direction) of a plurality of nozzle bore 23a.
Upper end side and the chimeric packing ring 30 of lower end side in the periphery of housing 3.These packing rings 30 are used for the Fuelinjection nozzle 1 that is tightly connected on sucking pipe (figure is expression not).
Secondly, the effect of Fuelinjection nozzle 1 is described.Valve plug 22 is positioned at and closes valve position, and the fuel of pressurization is flowed into.In this state, if electromagnetic driver 5 is energized, then valve plug 22 is displaced to out valve position from closing valve position, and the fuel in the fuel flow path 2 sprays from a plurality of nozzle bore 23a of spray nozzle board 23.If the energising of electromagnetic driver 5 is stopped, then valve plug 22 turns back to and closes valve position, stops the injection of fuel.Like this, by the energising no electric circuit of electromagnetic driver 5, fuel is in sucking pipe, with scheduled time and spray desirable amount.
In above-mentioned Fuelinjection nozzle 1, protective body 24 is made of resinous resin protective body component 26 and metal protection body component 27.Even because resin protective body component 26 also can stop by metal protection body component 27, so protective body 24 can not come off from valve body 21 because thermal expansion etc. laterally will resiliently deformable.In addition, owing to dispose metal protection body 27b in the periphery of spray nozzle board 23, so not at spray nozzle board 23, and freeze in protection body 27b dewfall.
That is, in engine start,,, compare protection body 27b with spray nozzle board 23 and be cooled to more low temperature so pass through the latent heat of vaporization of the fuel of injection owing to dispose the higher protection body 27b of pyroconductivity in the periphery of spray nozzle board 107.Therefore, the airborne moisture of spray nozzle board 23 peripheries freezes in protection body 27b dewfall, can prevent to freeze to the dewfall of spray nozzle board 23.
In addition, after motor stops, if below the air cooling to 0 in the sucking pipe ℃, then pass through the air cooling valve system 4 of cooling, but, for the above reasons, the airborne moisture of spray nozzle board 23 peripheries freezes in the protection body 27b of metal protection body component 27 dewfall, can prevent to freeze to the dewfall of spray nozzle board 23.Thus, can prevent that by protective body 24 dewfall of spray nozzle board 23 from freezing, and its protective body 24 can not come off owing to thermal expansion etc. from valve body 21.
In addition, Gu be installed on the valve body 21 for metal protection body component 27 is pressed into by the resiliently deformable of utilizing resin protective body component 26, so when the installation of protective body 24, owing to do not act on the external force that makes valve body 21 deformation extents, because the valve seat surface 20 of valve body 21 can be kept circularity, so can prevent the reduction of oil density indeformablely.
In the above-described embodiments, because the protection body 27b of metal protection body component 27 has the opening portion 27d that a plurality of nozzle bore 23a are exposed, this opening portion 27d is set at the size that a plurality of nozzle bore 23a are all exposed, fuel is sprayed reliably, so can realize the injection of established amount from whole nozzle bore 23a.
In the above-described embodiments, because the opening portion 27d of metal protection body component 27 forms the shape of hole enlargement gradually along with the fuel injection direction towards a plurality of nozzle bore 23a, do not interfere protection body 27b ground to spray from the fuel that nozzle bore 23a sprays radially, so can realize spraying smoothly.
In the above-described embodiments, because insertion rear end side at resin protective body component 26, form slit 26d along axle direction, when the periphery of resin protective body component 26 is pressed into metal protection body component 27, by slit 26d, resin protective body component 26 is to the easy resiliently deformable of undergauge direction, so being pressed into operation and can easily carrying out of metal protection body component 27.
In the above-described embodiments, because metal protection body component 27 is formed by aluminium, so the probability that freezes in the protection body 27b of the high metal protection body component 27 of pyroconductivity dewfall is improved more.
For other technological thought that can obtain from the foregoing description, its effect is as described below.
(1) aspect the 1st～Fuelinjection nozzle of the 3rd aspect record in, in the insertion rear end side of resin protective body component, form slit along axle direction.
According to such structure, because when the periphery of resin protective body component is pressed into the metal protection body component, by slit, the resin protective body component is to the easy resiliently deformable of undergauge direction, so being pressed into operation and can easily carrying out of metal protection body component.
(2) aspect the 1st～Fuelinjection nozzle of the 3rd aspect, above-mentioned (1) record in, the metal protection body component is formed by aluminium.
According to such structure, the probability that freezes in the high metal protection body component dewfall of pyroconductivity is improved more.

Claims (5)

1, a kind of Fuelinjection nozzle; It possesses; Have fuel flow path in inside and form the valve body of valve seat at the wall of this fuel flow path; In above-mentioned fuel flow path, dispose and be close to the valve plug of opening movement between the valve position that closes valve position and leave from valve seat of above-mentioned valve seat; Be installed on the front end face of above-mentioned fuel flow path opening of above-mentioned valve body and have the nozzle plate of a plurality of nozzle bores that are communicated with above-mentioned fuel flow path; With the periphery that is installed in above-mentioned valve body and the protection body that disposes in the mode of the periphery of surrounding the said nozzle plate; It is characterized in that
Above-mentioned protective body by the periphery that is pressed into above-mentioned valve body and the fastening of interior Zhou Kading projection at the resinous resin protective body component of the fastening slot part of above-mentioned valve body be pressed into the periphery of this resin protective body component and constitute in the periphery fastening projection of this resin protective body component of interior Zhou Kading slot part fastening and metal metal protection body component with protection body of the periphery of surrounding the said nozzle plate.
2, Fuelinjection nozzle as claimed in claim 1 is characterized in that, the protection body of above-mentioned metal protection body component has the opening portion that above-mentioned a plurality of nozzle bore is exposed, and this opening portion is set at the size that above-mentioned a plurality of nozzle bore is all exposed.
3, Fuelinjection nozzle as claimed in claim 2 is characterized in that, the opening portion of above-mentioned metal protection body component forms the shape of hole enlargement gradually along with the fuel injection direction towards above-mentioned a plurality of nozzle bores.
4, Fuelinjection nozzle as claimed in claim 1 is characterized in that, in the insertion rear end side of above-mentioned resin protective body component, forms slit along axle direction.
5, Fuelinjection nozzle as claimed in claim 1 is characterized in that, above-mentioned metal protection body component is formed by aluminium.
CNB2004100833238A 2003-12-10 2004-09-29 Fuel shooting valve Expired - Fee Related CN100359157C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003411963A JP4021405B2 (en) 2003-12-10 2003-12-10 Fuel injection valve
JP411963/2003 2003-12-10

Publications (2)

Publication Number Publication Date
CN1626789A CN1626789A (en) 2005-06-15
CN100359157C true CN100359157C (en) 2008-01-02

Family

ID=34732550

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100833238A Expired - Fee Related CN100359157C (en) 2003-12-10 2004-09-29 Fuel shooting valve

Country Status (2)

Country Link
JP (1) JP4021405B2 (en)
CN (1) CN100359157C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101016874B (en) * 2007-03-13 2011-08-03 中国计量学院 Fuel-saving injection apparatus used in vehicles
JP4881883B2 (en) * 2008-01-25 2012-02-22 日立オートモティブシステムズ株式会社 Fuel injection valve
JP5321473B2 (en) * 2010-01-13 2013-10-23 株式会社デンソー Fuel injection valve
CN105579699B (en) * 2013-09-26 2018-11-06 恩普乐斯股份有限公司 The installation constitution of fuel injection device nozzle plate
JP6311472B2 (en) * 2014-06-16 2018-04-18 株式会社デンソー Fuel injection valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1118181A (en) * 1993-12-21 1996-03-06 罗伯特·博施有限公司 Venturi filter and fuel injection valve with a venturi filter
JP2000234578A (en) * 1999-02-16 2000-08-29 Denso Corp Nozzle hole deicer for fuel injection valve
US6155302A (en) * 1996-01-27 2000-12-05 Robert Bosch Gmbh Fastening device for attaching a fuel line to a connecting piece
JP2003214288A (en) * 2002-01-18 2003-07-30 Denso Corp Fuel injection valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1118181A (en) * 1993-12-21 1996-03-06 罗伯特·博施有限公司 Venturi filter and fuel injection valve with a venturi filter
US6155302A (en) * 1996-01-27 2000-12-05 Robert Bosch Gmbh Fastening device for attaching a fuel line to a connecting piece
JP2000234578A (en) * 1999-02-16 2000-08-29 Denso Corp Nozzle hole deicer for fuel injection valve
JP2003214288A (en) * 2002-01-18 2003-07-30 Denso Corp Fuel injection valve

Also Published As

Publication number Publication date
CN1626789A (en) 2005-06-15
JP2005171850A (en) 2005-06-30
JP4021405B2 (en) 2007-12-12

Similar Documents

Publication Publication Date Title
JP3151793B2 (en) Solenoid operated flow control valve assembly
CN106062356B (en) Fuel injection assembly
CN100359157C (en) Fuel shooting valve
US20040237939A1 (en) Fuel injection device
US7063279B2 (en) Fuel injection valve
US20180291851A1 (en) Fuel Injection Valve With An Anti Bounce Device
JP2000517024A (en) Fixing device for holding the unit in the body part of the fuel supply device
JPS6367479A (en) Electromagnetically operable valve
US6427674B1 (en) Socket coil-on-plug retainer
JP3161282B2 (en) Internal combustion engine piston cooling system
US20090108107A1 (en) Fuel injection valve and manufacturing method thereof
CN102108929A (en) Improved fuel injection system and armature housing
US6553969B1 (en) Device for assembling and dismantling a fuel injection valve
CN104675595A (en) Fuel jet device using fuel pelletizing technology
EP1088987B1 (en) Fuel injector of an improved type
EP3032089B1 (en) Roller tappet arrangement of a high pressure fuel pump, arrangement of a high pressure fuel pump and an engine block of a combustion engine and engine box of a combustion engine
EP1706621B1 (en) Fuel injector connector
US20030172974A1 (en) Valve comprising a filter
CN111344512B (en) Locking device
JP2005171845A (en) Electromagnetic drive device and fuel injection valve using the same
US7815131B2 (en) Injector with improved connection geometry
US6848634B1 (en) Fuel injector with thermally isolated seat
JP7397787B2 (en) Diesel engine and its manufacturing method
CN102052503B (en) Electromagnetic type safety valve
KR200186388Y1 (en) Structure for assembling abs/tcs modulator

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: 20080102

Termination date: 20150929

EXPY Termination of patent right or utility model