WO2005124147A1 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- WO2005124147A1 WO2005124147A1 PCT/JP2005/010653 JP2005010653W WO2005124147A1 WO 2005124147 A1 WO2005124147 A1 WO 2005124147A1 JP 2005010653 W JP2005010653 W JP 2005010653W WO 2005124147 A1 WO2005124147 A1 WO 2005124147A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel
- valve seat
- valve
- fuel injection
- outlet hole
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 172
- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- 238000009792 diffusion process Methods 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 37
- 238000000889 atomisation Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 239000011493 spray foam Substances 0.000 description 2
- 101700004678 SLIT3 Proteins 0.000 description 1
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- 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
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1853—Orifice plates
Definitions
- the present invention relates to a fuel injector mainly used for a fuel supply system of an internal combustion engine
- a valve seat member having at one end an outlet hole passing through the valve seat and the center thereof, a valve body housed in the valve seat member to open and close the valve seat, and joined to one end surface of the valve seat member.
- an injector plate having a plurality of fuel injection holes arranged radially outward from the outlet hole.
- the outlet hole is formed between the valve seat and the outlet hole by collecting fuel passing through the valve seat. The fuel passing through the outlet hole is diffused radially outward between the opposing surfaces of the valve seat member and the injector plate, and the fuel is guided to the multiple fuel injection holes.
- the present invention relates to an improvement provided with a flat fuel diffusion chamber.
- a fuel injection valve is already known as disclosed in Patent Document 1 below.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-97129
- the inner peripheral surface of the outlet hole is cylindrical, and between the bottom surface of the fuel collecting recess and the inner peripheral surface of the outlet hole, and the inner peripheral surface of the outlet hole. Since a right angle or an angle close to the right angle is formed between the fuel diffusion chamber and the ceiling surface, when the fuel flow reverses at the exit hole, a number of vortices are generated inside the reversing interior. Such vortices may cause an increase in fuel pressure loss to reduce the injection amount, hinder atomization of the injected fuel from the fuel injection hole cap, or cause the direction and shape of the spray foam to become unstable. It becomes.
- the present invention has been made in view of the above circumstances, and the vortex generated at the time of fuel reversal at the outlet hole is considered. It is an object of the present invention to provide a fuel injection valve capable of preventing generation of the fuel, reducing the pressure loss of the fuel, suppressing the decrease in the injected fuel, promoting the atomization of the injected fuel, and stabilizing the spray form.
- the present invention provides a valve seat member having at one end an outlet hole passing through a valve seat and a center portion thereof, and an opening and closing operation for the valve seat housed in the valve seat member. And an injector plate having a plurality of fuel injection holes that are joined to one end surface of the valve seat member and that are disposed radially outwardly apart from each other, between the valve seat and the outlet hole.
- a funnel-shaped fuel collecting recess that guides the fuel that has passed through the valve seat to the outlet hole is provided, and the fuel that has passed through the outlet hole is located between the facing surfaces of the valve seat member and the injector plate.
- the inner peripheral surface of the outlet hole is connected to the bottom surface of the fuel collecting recess and the ceiling surface of the fuel diffusion chamber. Formed along the inner circumferential surface of the virtual torus This is the first feature.
- the present invention provides the virtual torus, wherein a center of a circular generatrix is a bisector of an angle formed between a bottom surface of the fuel collecting recess and a ceiling surface of the fuel diffusion chamber.
- the second feature is that the setting is made so that
- a third feature is that a height of the fuel diffusion chamber is set to 1Z2 or less of a radius of a circular bus of the virtual torus.
- a seat portion of the valve body which is seated on the valve seat, is formed in a spherical shape, and an outlet hole of the fuel collecting recessed cap is provided.
- a fourth feature is that each of the leading ends facing toward is formed in a protruding conical shape.
- the inner peripheral surface of the outlet hole is in contact with the inner peripheral side curved surface of the virtual torus, and the conical angle is different.
- a fifth feature is that a plurality of conical surfaces are connected in series, or a plurality of conical surfaces with different cone angles are connected to a cylindrical surface located in between.
- the inner peripheral surface of the outlet hole of the valve seat member is Since the virtual torus is formed along the curved surface on the inner circumference side so as to be continuous with the bottom surface of the fuel diffusion chamber and the ceiling surface of the fuel diffusion chamber, the reversal of the fuel flow in the outlet hole is extremely smooth due to the inner circumference surface. To prevent the formation of vortices inside the flow, thereby reducing the pressure loss of the fuel and reducing the fine particles of the injected fuel without reducing the fuel injection amount from each fuel injection hole of the injector plate. As a result, it is possible to improve the fuel efficiency and output performance of the engine.
- the virtual torus is divided into two equal parts at the center of the circular generatrix formed by the bottom surface of the funnel-shaped fuel collecting recess and the ceiling surface of the fuel diffusion chamber.
- the connection between the bottom surface of the fuel collecting recess, the ceiling surface of the fuel diffusion chamber, and the inner peripheral surface of the outlet hole can be made smooth, and the flow of fuel in the outlet hole can be smooth. This makes it possible to make the reversal of the flow smoother and to reliably prevent the generation of vortices inside the flow.
- the fuel diffusion speed in the fuel diffusion chamber is increased.
- the separation of fuel at the opening edge of each fuel injection hole is promoted, and the fineness of the injected fuel can be effectively reduced.
- the fuel also remains in the fuel diffusion chamber due to the capillary phenomenon after the fuel injection. The fuel can be reliably retained, preventing fuel drooping at the fuel injection holes and contributing to a reduction in emissions.
- the tip of the valve portion facing the fuel collecting concave portion and the outlet hole is formed in a protruding conical shape.
- the tip reduces the dead volume at the center of the fuel collecting recess and the outlet hole, and also has a rectifying effect to promote the fuel collection to the fuel collecting recess cap and the outlet hole, reducing the fuel pressure loss. Reduction can be achieved.
- the inner peripheral surface of the outlet hole is formed by connecting a plurality of conical surfaces having different conical angles in contact with the inner peripheral side curved surface of the virtual torus, or a conical angle.
- the inner surface along the inner curved surface of the virtual torus is relatively easily cut by cutting, etc. Can be done.
- FIG. 1 is a longitudinal sectional view of an electromagnetic fuel injection valve for an internal combustion engine according to an embodiment of the present invention. (First embodiment)
- FIG. 2 is an enlarged view of a part of FIG. 1; (First embodiment)
- FIG. 3 is an enlarged view showing part 3 of FIG. 2 in a valve-open state.
- a valve housing 2 of an electromagnetic fuel injection valve I for an internal combustion engine has a valve seat 8 at a front end.
- a magnetic cylinder 4 coaxially connected to the rear end of the valve seat 3
- a non-magnetic cylinder coaxially connected to the rear end of the magnetic cylinder 4.
- Consists of body 6 [0020]
- the valve seat member 3 has a connecting tube portion 3a at the rear end protruding toward the magnetic cylinder 4 with an annular shoulder portion 3b at its rear end.
- valve seat member 3 and the magnetic cylinder 4 are coaxially and liquid-tightly connected to each other by press-fitting the inner peripheral surface of the front end of the magnetic cylinder 4 and bringing the front end surface of the magnetic cylinder 4 into contact with the annular shoulder 3b. Is done.
- the magnetic cylinder 4 and the non-magnetic cylinder 6 are coaxially and liquid-tightly joined to each other by laser beam welding over the entire circumference with their facing end faces abutting.
- the valve seat member 3 includes a cylindrical guide hole 9, a conical valve seat 8 connected to the front end of the guide hole 9, and an outlet hole 7 penetrating through the center of the valve seat 8. I have.
- An injector plate 10 made of a steel plate and having a plurality of fuel injection holes 11 communicating with the outlet hole 7 is liquid-tightly welded to the front end surface of the valve seat member 3 over the entire circumference.
- a hollow cylindrical fixed core 5 with a rear end side force is also press-fitted and fixed to the inner peripheral surface of the non-magnetic cylindrical body 6 in a liquid-tight manner. At this time, a portion that does not fit with the fixed core 5 is left at the front end of the non-magnetic cylindrical body 6, and the valve assembly V is housed in the valve housing 2 that reaches the partial force valve seat member 3.
- the valve assembly V includes a valve body 18 including a valve portion 16 that opens and closes with respect to the valve seat 8 and a valve rod portion 17 that supports the valve portion.
- the force also straddles the non-magnetic cylinder 6, and the force is applied to the movable core 12 inserted into them and coaxially opposed to the fixed core 5.
- the valve rod portion 17 is formed to have a smaller diameter than the guide hole 9, and has a pair of front and rear protruding radially outward on the outer periphery thereof and slidably supported on the inner peripheral surface of the guide hole 9. Formed in the body 17a, 17a. At this time, the two jar nano-holes 17a, 17a are arranged with a space between them in the axial direction as much as possible.
- a vertical hole 19 ending from the rear end face of the movable core 12 to a position before the valve portion 16 and a plurality of first horizontal holes 20a communicating with the outer peripheral surface of the movable core 12 are formed.
- a third lateral hole 20c is provided.
- an annular spring seat 24 facing the fixed core 5 is formed in the middle of the vertical hole 19.
- the fixed core 5 has a vertical hole 21 communicating with the vertical hole 19 of the movable core 12, and a fuel inlet cylinder 26 having an interior communicating with the vertical hole 21 is integrally connected to the rear end of the fixed core 5. Is done.
- Fuel inlet tube 26 Is composed of a reduced diameter portion 26a connected to the rear end of the fixed core 5 and a subsequent enlarged diameter portion 26b. From the reduced diameter portion 26a, a pipe is inserted into the vertical hole 21 and fixed by caulking.
- a valve spring 22 for urging the movable core 12 toward the valve closing side of the valve body 18 is contracted between the retainer 23 and the spring seat 24.
- the set load of the valve spring 22 is adjusted by the fitting depth of the retainer 23 into the vertical hole 21, and after the adjustment, the outer peripheral wall of the reduced diameter portion 26a is partially pressed inward to thereby retain the retainer. 23 is fixed to the reduced diameter portion 26a.
- a fuel filter 27 is mounted on the enlarged diameter part 26b.
- the fixed core 5 is made of a ferrite-based high hardness magnetic material.
- a collar-shaped stopper element 14 surrounding the valve spring 22 is embedded on a suction surface facing the suction surface of the fixed core 5.
- the stopper element 14 has its outer end slightly projecting the suction surface force of the movable core 12, and usually has a gap corresponding to the valve-opening stroke of the valve element 18 and the suction surface of the fixed core 5. Confronted.
- a coil assembly 28 is fitted around the outer periphery of the valve housing 2 in correspondence with the fixed core 5 and the movable core 12.
- This coil assembly 28 is composed of a bobbin 29 fitted on the outer peripheral surface of the magnetic cylinder 4 from the rear end to the entire non-magnetic cylinder 6, and a coil 30 wound on the bobbin 29.
- the front end of the coil nosing 31 surrounding the coil assembly 28 is welded to the outer peripheral surface of the magnetic cylinder 4, and the rear end of the outer surface of the yoke 5 b protruding like a flange from the outer periphery of the rear end of the fixed core 5.
- the coil housing 31 has a cylindrical shape, and has a slit 31a extending in the axial direction on one side.
- the coil housing 31, the coil assembly 28, the fixed core 5, and the front half of the fuel inlet tube 26 are embedded in a synthetic resin covering 32 formed by injection molding. At this time, the covering 32 is filled into the coil housing 31 through the slit 3 la. In the middle of the covering 32, a force bra 34 for accommodating the connection terminal 33 connected to the coil 30 is connected to the body.
- valve seat 8 of the valve seat member 3 is formed in a conical shape. Between the valve seat 8 and the outlet hole 7, a funnel that collects the fuel passing through the valve seat 8 and guides the fuel to the outlet hole 7 is provided. Shaped fuel assembly recess 35 Is done.
- valve portion 16 of the valve element 18 has a spherical seat portion 16a seated on the valve seat 8 and a protruding conical tip portion 16b facing from the fuel collecting recess 35 to the outlet hole 7. Provided.
- the spherical seat portion 16a is centered on the axis of the valve element 18.
- the flattening extends radially outward from the outlet hole 7 and diffuses the fuel passing through the outlet hole 7 radially outward.
- the fuel diffusion chamber 36 is formed.
- the fuel diffusion chamber 36 is formed as a recess in the front end face of the valve seat member 3 in the illustrated example.
- the injector plate 10 is provided with a plurality of fuel injection holes 11, 11,... That open into the fuel diffusion chamber 36 at positions radially outward from the outlet hole 7. Therefore, the outlet hole 7 and each fuel injection hole 11 communicate with each other through the fuel diffusion chamber 36.
- the inner peripheral surface 7 A of the outlet hole 7 is formed along the inner peripheral curved surface of the virtual torus T so as to be continuous with the bottom surface of the fuel collecting recess 35 and the ceiling surface of the fuel diffusion chamber 36.
- the virtual torus T is located on a bisector L at an angle formed by the center To of the circular bus Ta and the bottom surface of the funnel-shaped fuel collecting recess 35 and the ceiling surface of the fuel diffusion chamber 36.
- a plurality of conical surfaces 7a, 7b with different cone angles in contact with the inner peripheral curved surface of this virtual torus are connected, or a plurality of conical surfaces 7a, 7b with different cone angles are set
- the inner peripheral surface 7A of the outlet hole 7 is formed by connecting the cylindrical surface 7c located at the portion.
- the flow is reversed at the outlet hole 7, moves to the fuel diffusion chamber 36, diffuses outward in the radial direction, and is injected from the plurality of fuel injection holes 11, 11,... Of the injector plate 10.
- a plurality of spray forms F, F... are formed.
- the inner peripheral surface 7A of the outlet hole 7 is formed on the inner peripheral curved surface of the virtual torus T so as to be continuous with the bottom surface of the fuel collecting recess 35 and the ceiling surface of the fuel diffusion chamber 36. Therefore, the reversal of the fuel flow in the outlet hole 7 is guided very smoothly by the inner peripheral surface 7A, and the generation of a vortex inside the flow can be prevented. As a result, it is possible to reduce the fuel pressure loss, promote the atomization of the injected fuel, and stabilize the spray form F without reducing the fuel injection amount from each fuel injection hole 11. This can contribute to improved fuel efficiency and output performance of the engine.
- the virtual torus T is such that the center To of the circular bus Ta is located on a bisector L at an angle formed between the bottom surface of the funnel-shaped fuel collecting recess 35 and the ceiling surface of the fuel diffusion chamber 36. Therefore, the connection between the bottom surface of the fuel collecting recess 35 and the ceiling surface of the fuel diffusion chamber 36 and the inner peripheral surface of the outlet hole 7 can be made smooth, and the flow of fuel in the outlet hole 7 is reversed. Can be made smoother and the generation of vortices inside the flow can be reliably prevented.
- the inner peripheral surface 7A of the outlet hole 7 is formed by connecting a plurality of conical surfaces 7a and 7b having different conical angles in contact with the inner peripheral side curved surface of the virtual torus T, or a plurality of conical surfaces having different conical angles.
- the inner peripheral surface 7A of the outlet hole 7 along the inner peripheral curved surface of the virtual torus T is cut by cutting or the like. It can be processed relatively easily.
- the seat portion 16a of the valve portion 16 of the valve body 18, which is seated on the conical valve seat 8, is formed in a spherical band shape. The state can be secured. Further, following the seat 16a, the tip 16b of the valve portion 16 facing the fuel collecting recess 35 and the outlet hole 7 is formed in a protruding conical shape, so that the fuel collecting recess 35 and the outlet hole 7 are formed by the tip 16b. In addition to reducing the dead volume at the center of the fuel cell, the rectification effect is exerted to promote the fuel collection from the fuel collecting recess 35 to the outlet hole 7, and the fuel pressure drop Loss can be reduced.
- the height t of the fuel diffusion chamber 36 is set to 1Z2 or less of the radius!: Of the circular bus Ta of the virtual torus T, the fuel diffusion speed in the fuel diffusion chamber 36 is increased. The separation of the fuel at the opening edge of each fuel injection hole 11 is promoted, and the fineness of the injected fuel can be effectively reduced. Further, after the fuel injection, the residual fuel in the fuel diffusion chamber 36 is surely formed by the capillary phenomenon. This can prevent fuel dripping from each fuel injection hole 11 and contribute to reduction of emissions. In particular, if the height t of the fuel diffusion chamber 36 is set to 20 to L: 10 m or less, the dead volume of the fuel diffusion chamber 36 can be reduced and the above effect can be enhanced. In this case, it becomes difficult to secure the required amount of injected fuel due to an increase in flow path resistance.
- the present invention is not limited to the above embodiment, and various design changes can be made without departing from the gist of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/579,315 US7464884B2 (en) | 2004-06-21 | 2005-06-10 | Fuel injection valve |
EP05748707.6A EP1760307B1 (en) | 2004-06-21 | 2005-06-10 | Fuel injection valve |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-182306 | 2004-06-21 | ||
JP2004182306A JP4030529B2 (ja) | 2004-06-21 | 2004-06-21 | 燃料噴射弁 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005124147A1 true WO2005124147A1 (ja) | 2005-12-29 |
Family
ID=35509746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/010653 WO2005124147A1 (ja) | 2004-06-21 | 2005-06-10 | 燃料噴射弁 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7464884B2 (ja) |
EP (1) | EP1760307B1 (ja) |
JP (1) | JP4030529B2 (ja) |
CN (1) | CN100432422C (ja) |
WO (1) | WO2005124147A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008028786A1 (de) * | 2006-09-05 | 2008-03-13 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5955198B2 (ja) * | 2012-11-02 | 2016-07-20 | 株式会社ケーヒン | 直噴式燃料噴射弁の支持構造 |
DE102013009418A1 (de) * | 2013-06-05 | 2014-12-24 | Man Diesel & Turbo Se | Kraftstoffeinspritzdüse |
FR3055370B1 (fr) * | 2016-09-01 | 2020-05-01 | Delphi Technologies Ip Limited | Ensemble de bobine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07332201A (ja) * | 1994-06-03 | 1995-12-22 | Toyota Motor Corp | 燃料噴射弁 |
JP2002130074A (ja) * | 2000-10-24 | 2002-05-09 | Keihin Corp | 燃料噴射弁 |
JP2004019610A (ja) * | 2002-06-19 | 2004-01-22 | Keihin Corp | 燃料噴射弁 |
JP2004169571A (ja) * | 2002-11-18 | 2004-06-17 | Mitsubishi Electric Corp | 燃料噴射弁 |
JP2004169572A (ja) * | 2002-11-18 | 2004-06-17 | Mitsubishi Electric Corp | 燃料噴射弁 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19609218B4 (de) * | 1996-03-09 | 2007-08-23 | Robert Bosch Gmbh | Kraftstoffeinspritzventil für Brennkraftmaschinen |
JP3777259B2 (ja) | 1998-09-24 | 2006-05-24 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP3837282B2 (ja) * | 2000-10-24 | 2006-10-25 | 株式会社ケーヒン | 燃料噴射弁 |
DE10118164B4 (de) * | 2001-04-11 | 2007-02-08 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP2005113815A (ja) * | 2003-10-08 | 2005-04-28 | Keihin Corp | 燃料噴射弁 |
JP4025768B2 (ja) * | 2004-09-27 | 2007-12-26 | 株式会社ケーヒン | 燃料噴射弁 |
-
2004
- 2004-06-21 JP JP2004182306A patent/JP4030529B2/ja not_active Expired - Lifetime
-
2005
- 2005-06-10 US US11/579,315 patent/US7464884B2/en not_active Expired - Fee Related
- 2005-06-10 EP EP05748707.6A patent/EP1760307B1/en not_active Not-in-force
- 2005-06-10 WO PCT/JP2005/010653 patent/WO2005124147A1/ja not_active Application Discontinuation
- 2005-06-10 CN CNB2005800206198A patent/CN100432422C/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07332201A (ja) * | 1994-06-03 | 1995-12-22 | Toyota Motor Corp | 燃料噴射弁 |
JP2002130074A (ja) * | 2000-10-24 | 2002-05-09 | Keihin Corp | 燃料噴射弁 |
JP2004019610A (ja) * | 2002-06-19 | 2004-01-22 | Keihin Corp | 燃料噴射弁 |
JP2004169571A (ja) * | 2002-11-18 | 2004-06-17 | Mitsubishi Electric Corp | 燃料噴射弁 |
JP2004169572A (ja) * | 2002-11-18 | 2004-06-17 | Mitsubishi Electric Corp | 燃料噴射弁 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008028786A1 (de) * | 2006-09-05 | 2008-03-13 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
Also Published As
Publication number | Publication date |
---|---|
JP4030529B2 (ja) | 2008-01-09 |
US20070215114A1 (en) | 2007-09-20 |
CN100432422C (zh) | 2008-11-12 |
JP2006002723A (ja) | 2006-01-05 |
US7464884B2 (en) | 2008-12-16 |
CN1973127A (zh) | 2007-05-30 |
EP1760307B1 (en) | 2016-04-20 |
EP1760307A1 (en) | 2007-03-07 |
EP1760307A4 (en) | 2010-01-20 |
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