CN103423049B - Injector assembly - Google Patents
Injector assembly Download PDFInfo
- Publication number
- CN103423049B CN103423049B CN201310402964.4A CN201310402964A CN103423049B CN 103423049 B CN103423049 B CN 103423049B CN 201310402964 A CN201310402964 A CN 201310402964A CN 103423049 B CN103423049 B CN 103423049B
- Authority
- CN
- China
- Prior art keywords
- armature
- injector
- oil
- control valve
- injector body
- 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.)
- Active
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to injector assembly, comprise control valve assembly, electromagnet, electromagnet spring, the very tight cap of electromagnetism, steel ball, restricting orifice, oil injector body, control piston, push rod, the spring seat of honour, pressure adjusting spring, injector nozzle matching parts and nozzle cap nut, it is characterized in that: described armature and armature lever are split-type structural, armature movable set is on armature lever, be provided with damping spring between armature lower end surface and control valve seat upper-end surface, the limiting stopper that armature upper-end surface is provided with by armature lever is connected with armature lever.Control valve assembly of the present invention is by being designed to split-type structural by armature lever and armature, greatly reduce the impact force of taking a seat of movement parts when control valve assembly is closed, improve stability and the reliability of control valve closing process, reduce movement parts to take a seat and impact the rebound phenomenon that causes, reduce the wearing and tearing in closing process, thus improve the performance of motor and extend common rail system working life within the engine, be more conducive to the accurate control of course of injection.
Description
Technical field
The present invention relates to a kind of injector assembly, specifically a kind of injector assembly applying Novel control valve assembly, belongs to engine fuel injection technical field.
Background technique
Control valve assembly is the important composition parts in oil sprayer.In prior art, armature in control valve assembly and armature lever are all-in-one-piece, undamped below armature, movement parts in the control valve assembly of this structure is taken a seat and is impacted greatly, component abrasion is severe, also there will be rebound phenomenon, and it is bad that control valve closes stability, have wearing and tearing, affect the conformity of fuel injection quantity.
For reducing the impact of taking a seat of movement parts in control valve, some technological scheme is below armature, set up mechanical damping (i.e. damping spring) or hydraulic damping (i.e. hydraulic pressure cavity damping) now, although these technological schemes can play a role, but still there is the deficiency of self, effectively can not reduce movement parts to take a seat impact, very large on the reliable life impact of steel ball, restricting orifice; Effectively can not weaken the knock-on of movement parts after taking a seat simultaneously, stability contorting course of injection is had a great impact.
Be " WO2010009925A1 " at a publication number, name is called in the international application of " ARMATURE PIN FOR SOLENOID VALVE ", disclose a kind of control valve structure, its emphasis is to devise damping cavity (56,58), when armature pin (26) forms sealing surface (52) with armature (28), damping cavity (56) and damping cavity (58) are in isolation; When armature lever (26) leaves sealing surface (52), damping cavity (56) is connected with damping cavity (58).Oil mass conformity under the control valve mainly useful for oil sprayer part-lift (ballistic region) of this structure.But still do not solve the common fault of existing control valve assembly completely.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of injector assembly is provided, the Novel control valve assembly that it applies, the performance of motor can be improved and extend common rail system working life within the engine, more be conducive to the accurate control of course of injection, make fuel injection quantity conformity better.
According to technological scheme provided by the invention: injector assembly, comprise control valve assembly, electromagnet, electromagnet spring, the very tight cap of electromagnetism, steel ball, restricting orifice, oil injector body, control piston, push rod, the spring seat of honour, pressure adjusting spring, injector nozzle matching parts and nozzle cap nut, described control valve assembly is arranged in the cavity on oil injector body top, control valve assembly comprises control valve seat, armature and armature lever, described control valve seat center is provided with valve seat orifice, and armature lever lower end is placed in valve seat orifice and also can moves axially; Described electromagnet is arranged on above control valve assembly, and electromagnet is connected with oil injector body upper end by the very tight cap of electromagnetism, and the electromagnet spring in electromagnet is connected with the armature lever upper end in control valve assembly; Described control valve seat is installed in the cavity of oil injector body upper end, and restricting orifice is arranged on bottom control valve seat, and restricting orifice filler opening is communicated with the high-pressure oil duct on oil injector body, and restricting orifice oil outlet arranges steel ball; Control piston is arranged in the axial piston chamber on oil injector body, and restricting orifice filler opening is communicated with the space above the control piston in axial piston chamber with restricting orifice oil outlet simultaneously; Pressure regulating cavity is provided with in described oil injector body bottom, push rod and pressure adjusting spring are contained in pressure regulating cavity, and under push rod upper end and control piston, end in contact offsets, and pressure adjusting spring is sleeved on push rod, pressure adjusting spring lower end is connected with the lower end of push rod, and pressure adjusting spring upper end is connected with oil injector body by the spring seat of honour; Injector nozzle matching parts is arranged on oil injector body lower end by nozzle cap nut, and the nozzle opening in injector nozzle matching parts is communicated with the internal galleries of oil injector body; It is characterized in that: described armature and armature lever are split-type structural, armature movable set, on armature lever, is provided with damping spring between armature lower end surface and control valve seat upper-end surface, and the limiting stopper that armature upper-end surface is provided with by armature lever is connected with armature lever.
As a further improvement on the present invention, be provided with the damping gasket detachably changed between limiting stopper on described armature and armature lever, described damping gasket is used for making after control valve assembly is closed, to leave armature damping clearance between armature lower end surface and control valve seat upper-end surface.
As a further improvement on the present invention, be Spielpassung between described armature and armature lever, their matching gap is 0.002mm to 0.010mm, and length of thread engagement is 5mm to 7mm; Be Spielpassung between described armature lever and control valve seat, their matching gap is 0.002mm to 0.010mm, and length of thread engagement is 5mm to 8mm.
As a further improvement on the present invention, described control valve seat upper-end surface is provided with the valve seat platform of epirelief, and described armature lower end surface is provided with lower convex armature platform, and described damping spring is enclosed within described valve seat platform and armature platform.
As a further improvement on the present invention, between described electromagnet spring upper end and electromagnet, electromagnet pad is set.
As a further improvement on the present invention, adjustment ring is provided with between described electromagnet lower end surface and oil injector body upper-end surface.
As a further improvement on the present invention, described armature lever lower end is provided with the half steel ball recess suitable with steel ball shape.
As a further improvement on the present invention, adjustment pad is provided with between the described spring seat of honour and pressure adjusting spring.
As a further improvement on the present invention, described injector nozzle matching parts comprises injector body and injector valve, injector body is arranged on oil injector body lower end by nozzle cap nut, the axial centre of injector body is provided with nozzle opening, the mouth body internal oil channel departing from injector body axial centre is provided with in injector body top, mouth body internal oil channel upper end is communicated with the internal galleries lower end of oil injector body, and mouth body internal oil channel lower end is connected with nozzle opening by small oil cavity; Described injector valve is arranged in the nozzle opening in oil injector body, and under injector valve upper end and push rod, end in contact offsets, and part injector valve being positioned at small oil cavity is provided with step.
As a further improvement on the present invention, add transition block between described oil injector body and injector body, transition block is provided with the transition oil duct be communicated with the mouth body internal oil channel of injector body by the internal galleries of oil injector body.
compared with prior art, advantage is in the present invention:the Novel control valve assembly that the present invention applies, described control valve assembly is by being designed to split-type structural by armature lever and armature, greatly can reduce the impact force of taking a seat of movement parts when control valve assembly is closed, improve stability and the reliability of control valve closing process, reduce movement parts to take a seat and impact the rebound phenomenon that causes, reduce in closing process because of wearing and tearing that impact force causes, thus improve the performance of motor and extend common rail system working life within the engine, more be conducive to the accurate control of course of injection (especially multi-injection), make fuel injection quantity conformity better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structure enlarged diagram of control valve assembly in Fig. 1.
Description of reference numerals: 1-control valve seat, 1a-valve seat platform, 2-armature, 2a-armature platform, 3-damping spring, 4-armature lever, 4a-limiting stopper, 5-damping gasket, 6-armature damping clearance, 7-electromagnet, 8-electromagnet spring, the very tight cap of 9-electromagnetism, 10-electromagnet pad, 11-adjustment ring, 12-steel ball, 13-restricting orifice, 13a-restricting orifice filler opening, 13b-restricting orifice oil outlet, 14-oil injector body, 14a-high-pressure oil duct, 14b-internal galleries, the import of 15-high pressure oil, 16-control piston, 17-push rod, the 18-spring seat of honour, 19-adjusts pad, 20-pressure adjusting spring, 21-transition block, 21a-transition oil duct, 22-injector body, 22a-mouth body internal oil channel, 22b-small oil cavity, 23-injector valve, 24-nozzle cap nut.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the injector assembly in embodiment is primarily of control valve seat 1, armature 2, damping spring 3, armature lever 4, damping gasket 5, armature damping clearance 6, electromagnet 7, electromagnet spring 8, the very tight cap 9 of electromagnetism, electromagnet pad 10, adjustment ring 11, steel ball 12, restricting orifice 13, oil injector body 14, control piston 16, push rod 17, the spring seat of honour 18, adjustment pad 19, pressure adjusting spring 20, transition block 21, injector body 22, the component compositions such as injector valve 23 and nozzle cap nut 24.
As shown in Figure 1 and Figure 2, in the cavity on described oil injector body 14 top, control valve assembly is installed, control valve assembly forms primarily of control valve seat 1, armature 2 and armature lever 4, and described control valve seat 1 center is provided with valve seat orifice, and armature lever 4 lower end is placed in valve seat orifice and also can moves axially; Described control valve seat 1 center is provided with valve seat orifice, and armature lever 4 lower end is placed in valve seat orifice and also can moves axially, and be Spielpassung between described armature lever 4 and control valve seat 1, their matching gap is 0.002mm to 0.010mm, and length of thread engagement is 5mm to 7mm; Described armature 2 is split-type structural with armature lever 4, and armature 2 movable set, on armature lever 4, is Spielpassung between described armature 2 and armature lever 4, and their matching gap is 0.002mm to 0.010mm, and length of thread engagement is 5mm to 8mm; Be provided with damping spring 3 between armature 2 lower end surface and control valve seat 1 upper-end surface, the limiting stopper 4a that armature 2 upper-end surface is provided with by armature lever 4 is connected with armature lever 4.The present invention, by the split-type design of armature lever 4 with armature 2, greatly reduces the couple matching gap requirement between armature lever 4 and control valve seat 1, between armature lever 4 and armature 2, significantly reduces manufacturing assembly cost.
As shown in Figure 2, be provided with the damping gasket 5 detachably changed between limiting stopper 4a on described armature 2 and armature lever 4, described damping gasket 5 leaves armature damping clearance 6 for making between armature 2 lower end surface and control valve seat 1 upper-end surface after control valve assembly is closed.
As shown in Figure 2, described control valve seat 1 upper-end surface is provided with the valve seat platform 1a of epirelief, and described armature 2 lower end surface is provided with lower convex armature 2 2a, and described damping spring 3 is enclosed within described valve seat platform 1a and armature 2 2a.Be provided with the damping gasket 5 detachably changed between limiting stopper on described armature 2 and armature lever 4, described damping gasket 5 leaves armature damping clearance 6 for making between armature 2 lower end surface and control valve seat 1 upper-end surface after control valve assembly is closed.
As shown in Figure 1, described electromagnet 7 is arranged on above control valve assembly, and electromagnet 7 is connected with oil injector body 14 upper end by the very tight cap 9 of electromagnetism, and the electromagnet spring 8 in electromagnet 7 is connected with armature lever 4 upper end in control valve assembly.For the ease of the suction of armature 2 in adjustment electromagnet 7 pairs of control valves, between described electromagnet spring 8 upper end and electromagnet 7, electromagnet pad 10 is set, between described electromagnet 7 lower end surface and oil injector body 14 upper-end surface, is provided with adjustment ring 11.
As shown in Figure 1, described control valve seat 1 is installed in the cavity of oil injector body 14 upper end, restricting orifice 13 is arranged on bottom control valve seat 1, and restricting orifice filler opening 13a is communicated with the high-pressure oil duct 14a on oil injector body 14, and restricting orifice oil outlet 13b arranges steel ball 12; Control piston 16 is arranged in the axial piston chamber on oil injector body 14, and restricting orifice filler opening 13a is communicated with the space above the control piston 16 in axial piston chamber with restricting orifice oil outlet 13b simultaneously; Pressure regulating cavity is provided with in described oil injector body 14 bottom, push rod 17 and pressure adjusting spring 20 are contained in pressure regulating cavity, push rod 17 upper end and control piston 16 times end in contact offset, pressure adjusting spring 20 is sleeved on push rod 17, pressure adjusting spring 20 lower end is connected with the lower end of push rod 17, and pressure adjusting spring 20 upper end is connected with oil injector body 14 with adjustment pad 19 by the spring seat of honour 18.
In order to prevent steel ball 12 from offseting when moving, described armature lever 4 lower end is provided with half steel ball 12 connected in star suitable with steel ball 12 shape.
As shown in Figure 1, injector nozzle matching parts is arranged on oil injector body 14 lower end by nozzle cap nut 24, and the nozzle opening in injector nozzle matching parts is communicated with the internal galleries 14b of oil injector body 14.Injector nozzle matching parts in embodiment forms primarily of injector body 22 and injector valve 23, injector body 22 is arranged on oil injector body 14 lower end by nozzle cap nut 24, the axial centre of injector body 22 is provided with nozzle opening, the mouth body internal oil channel 22a departing from injector body 22 axial centre is provided with in injector body 22 top, mouth body internal oil channel 22a upper end is communicated with the internal galleries 14b lower end of oil injector body 14, and mouth body internal oil channel 22a lower end is connected with nozzle opening by small oil cavity 22b; Described injector valve 23 is arranged in the nozzle opening in oil injector body 14, and injector valve 23 upper end and push rod 17 times end in contact offset, and part injector valve 23 being positioned at small oil cavity 22b is provided with step.
For convenience of Installation and adjustment, add transition block 21 between described oil injector body 14 and injector body 22, transition block 21 is provided with the transition oil duct 21a be communicated with the mouth body internal oil channel 22a of injector body 22 by the internal galleries 14b of oil injector body 14.
Working principle of the present invention and working procedure as follows:
During work, external high pressure oil enters from the high pressure oil import 15 oil injector body 14, and a part enters restricting orifice filler opening 13a by the high-pressure oil duct 14a of oil injector body 14 inside, is full of restricting orifice oil outlet 13b simultaneously; Another part is by internal galleries 14b, and the oil duct in transition block 21 enters in mouth body internal oil channel 22a in injector body 22 and nozzle opening.
When electromagnet 7 is not energized, armature lever 4 compresses steel ball 12 downwards under the effect of electromagnet spring 8, restricting orifice oil outlet 13b blocked by steel ball 12, thus certain high pressure is set up below restricting orifice oil outlet 13b, the control piston 16 of below is made to be subject to downward hydraulic coupling and to pass to push rod 17, push rod 17 coordinates with pressure adjusting spring 20, produce the downward active force of push rod 17, the downward force transmission of push rod 17 is to injector valve 23, injector valve 23 is made to be in closed condition, oil sprayer not oil spout.
When electromagnet 7 is energized, produce electromagnetic force, adhesive armature 2 is up moved, owing to being connected by damping gasket 5 between armature 2 with armature lever 4, armature 2 moves upward and armature lever 4 can be driven thereupon also to move upward, and up lifts, high pressure is released under steel ball 12 high pressure effect thereunder, thus the control piston 16 of below, push rod 17 and injector valve 23 can up lift, namely oil sprayer completes normal injection.
When after electromagnet 7 power-off, electromagnetic force is eliminated, then armature 2 and armature lever 4 are taken a seat under electromagnet spring 8 acts on, owing to being provided with a damping spring 3 between armature 2 lower end surface and control valve seat 1 upper-end surface, this damping spring 3 carries the quality of armature 2, damping spring 3 is in its pre-compressed state, namely takes a seat in closing process at armature 2, and damping spring 3 can continue to slow down armature 2 and to take a seat impact force, and owing to being provided with damping gasket 5 between armature 2 and armature lever 4, after armature lever 4 is closed and is put in place under the effect of electromagnet spring 8, certain gap is left between armature 2 lower end surface and control valve seat 1 upper-end surface, now, armature 2 and armature lever 4 take a seat impact force just under the effect of damping spring 3, movement process in amplitude fading, substantially reduce the impact force of taking a seat of armature 2 when control valve assembly is closed, improve stability and the reliability of control valve closing process, reduce movement parts to take a seat and impact the rebound phenomenon that causes, reduce in closing process because of wearing and tearing that impact force causes, thus improve the performance of motor and extend common rail system working life within the engine, more be conducive to the accurate control of course of injection especially multi-injection, make fuel injection quantity conformity better.
Claims (10)
1. injector assembly, comprise control valve assembly, electromagnet (7), electromagnet spring (8), the very tight cap of electromagnetism (9), steel ball (12), restricting orifice (13), oil injector body (14), control piston (16), push rod (17), the spring seat of honour (18), pressure adjusting spring (20), injector nozzle matching parts and nozzle cap nut (24), described control valve assembly is arranged in the cavity on oil injector body (14) top, control valve assembly comprises control valve seat (1), armature (2) and armature lever (4), described control valve seat (1) center is provided with valve seat orifice, armature lever (4) lower end is placed in valve seat orifice and also can moves axially, described electromagnet (7) is arranged on above control valve assembly, and electromagnet (7) is connected with oil injector body (14) upper end by the very tight cap of electromagnetism (9), and the electromagnet spring (8) in electromagnet (7) is connected with armature lever (4) upper end in control valve assembly, described control valve seat (1) is installed in the cavity of oil injector body (14) upper end, restricting orifice (13) is arranged on control valve seat (1) bottom, restricting orifice filler opening (13a) is communicated with the high-pressure oil duct (14a) on oil injector body (14), restricting orifice oil outlet (13b) is arranged steel ball (12), control piston (16) is arranged in the axial piston chamber on oil injector body (14), and restricting orifice filler opening (13a) and restricting orifice oil outlet (13b) are communicated with the space of control piston (16) top in axial piston chamber simultaneously, pressure regulating cavity is provided with in described oil injector body (14) bottom, push rod (17) and pressure adjusting spring (20) are contained in pressure regulating cavity, under push rod (17) upper end and control piston (16), end in contact offsets, pressure adjusting spring (20) is sleeved on push rod (17), pressure adjusting spring (20) lower end is connected with the lower end of push rod (17), and pressure adjusting spring (20) upper end is connected with oil injector body (14) by the spring seat of honour (18), injector nozzle matching parts is arranged on oil injector body (14) lower end by nozzle cap nut (24), and the nozzle opening in injector nozzle matching parts is communicated with the internal galleries (14b) of oil injector body (14), it is characterized in that: described armature (2) and armature lever (4) are split-type structural, armature (2) movable set is on armature lever (4), be provided with damping spring (3) between armature (2) lower end surface and control valve seat (1) upper-end surface, the limiting stopper (4a) that armature (2) upper-end surface is provided with by armature lever (4) is connected with armature lever (4).
2. injector assembly as claimed in claim 1, it is characterized in that: be provided with the damping gasket (5) detachably changed between the limiting stopper on described armature (2) and armature lever (4), described damping gasket (5) leaves armature damping clearance (6) for making between armature (2) lower end surface and control valve seat (1) upper-end surface after control valve assembly is closed.
3. injector assembly as claimed in claim 1, is characterized in that: be Spielpassung between described armature (2) and armature lever (4), their matching gap is 0.002mm to 0.010mm, and length of thread engagement is 5mm to 7mm; Be Spielpassung between described armature lever (4) and control valve seat (1), their matching gap is 0.002mm to 0.010mm, and length of thread engagement is 5mm to 8mm.
4. injector assembly as claimed in claim 1, it is characterized in that: described control valve seat (1) upper-end surface is provided with the valve seat platform of epirelief, described armature (2) lower end surface is provided with lower convex armature (2) platform, and described damping spring (3) is enclosed within described valve seat platform and armature (2) platform.
5. injector assembly as claimed in claim 1, is characterized in that: arrange electromagnet pad (10) between described electromagnet spring (8) upper end and electromagnet (7).
6. injector assembly as claimed in claim 1, is characterized in that: be provided with adjustment ring (11) between described electromagnet (7) lower end surface and oil injector body (14) upper-end surface.
7. injector assembly as claimed in claim 1, is characterized in that: described armature lever (4) lower end is provided with half steel ball (12) connected in star suitable with steel ball (12) shape.
8. injector assembly as claimed in claim 1, is characterized in that: be provided with between the described spring seat of honour (18) and pressure adjusting spring (20) and adjust pad (19).
9. injector assembly as claimed in claim 1, it is characterized in that: described injector nozzle matching parts comprises injector body (22) and injector valve (23), injector body (22) is arranged on oil injector body (14) lower end by nozzle cap nut (24), the axial centre of injector body (22) is provided with nozzle opening, the mouth body internal oil channel (22a) departing from injector body (22) axial centre is provided with in injector body (22) top, mouth body internal oil channel (22a) upper end is communicated with internal galleries (14b) lower end of oil injector body (14), mouth body internal oil channel (22a) lower end is connected with nozzle opening by small oil cavity (22b), described injector valve (23) is arranged in the nozzle opening in oil injector body (14), and under injector valve (23) upper end and push rod (17), end in contact offsets, and part injector valve (23) being positioned at small oil cavity (22b) is provided with step.
10. injector assembly as claimed in claim 1, it is characterized in that: add transition block (21) between described oil injector body (14) and injector body (22), transition block (21) is provided with the transition oil duct (21a) be communicated with the mouth body internal oil channel (22a) of injector body (22) by the internal galleries of oil injector body (14) (14a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402964.4A CN103423049B (en) | 2013-09-06 | 2013-09-06 | Injector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402964.4A CN103423049B (en) | 2013-09-06 | 2013-09-06 | Injector assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423049A CN103423049A (en) | 2013-12-04 |
| CN103423049B true CN103423049B (en) | 2015-10-28 |
Family
ID=49648307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310402964.4A Active CN103423049B (en) | 2013-09-06 | 2013-09-06 | Injector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103423049B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644056B (en) * | 2013-12-05 | 2015-09-02 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | A kind of common rail system oil atomizer |
| CN104018965B (en) * | 2014-05-29 | 2016-03-09 | 哈尔滨工程大学 | Electromagnetic Control pressure accumulation constant-voltage type oil sprayer |
| CN105305141B (en) * | 2014-06-13 | 2018-10-19 | 宏达国际电子股份有限公司 | Conductive structure and electronic building brick |
| CN104074655B (en) * | 2014-06-19 | 2016-06-15 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | A kind of common-rail injector oil-in |
| CN104454275B (en) * | 2014-12-22 | 2019-08-02 | 常州博瑞油泵油嘴有限公司 | A kind of synchronous fuel feeding of high pressure common rail injector on-line checking and pressing device and its application method |
| CN106762302A (en) * | 2015-11-19 | 2017-05-31 | 联合汽车电子有限公司 | The needle component and armature of fuel injector |
| CN105673287A (en) * | 2016-04-07 | 2016-06-15 | 宁波舜田良源油嘴油泵有限公司 | High-voltage common-rail electrically-controlled oil sprayer |
| CN105952559A (en) * | 2016-05-23 | 2016-09-21 | 中国第汽车股份有限公司无锡油泵油嘴研究所 | Double-oil-circuit electronic-controlled oil injector |
| CN106870234B (en) * | 2017-01-25 | 2019-06-07 | 中国第一汽车股份有限公司 | Control valve for automatically controlled fuel injection valve |
| CN106837640B (en) * | 2017-01-25 | 2019-04-26 | 中国第一汽车股份有限公司 | The controllable common-rail injector of needle valve movement speed |
| CN107100771B (en) * | 2017-05-15 | 2023-06-23 | 重庆红江机械有限责任公司 | Micro-injection common rail oil sprayer |
| CN113357066B (en) * | 2021-07-29 | 2022-06-28 | 一汽解放汽车有限公司 | Common rail oil sprayer |
| CN114017230A (en) * | 2021-12-10 | 2022-02-08 | 北油电控燃油喷射***(天津)有限公司 | Armature separated fuel oil injector for fuel oil vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210575A (en) * | 1996-12-07 | 1999-03-10 | 罗伯特·博施有限公司 | Electromagnetic valve |
| CN1969120A (en) * | 2004-06-03 | 2007-05-23 | 博世株式会社 | Fuel injection valve |
| CN101251068A (en) * | 2008-03-21 | 2008-08-27 | 北京理工大学 | Valve core type high pressure co-rail electric-controlled oil ejector |
| CN101397963A (en) * | 2008-11-07 | 2009-04-01 | 清华大学 | High voltage common rail electronic control injector |
| CN103104391A (en) * | 2013-02-05 | 2013-05-15 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Electronic control diesel engine fuel injector with control valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010174849A (en) * | 2009-02-02 | 2010-08-12 | Denso Corp | Solenoid valve and fuel injection valve |
-
2013
- 2013-09-06 CN CN201310402964.4A patent/CN103423049B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210575A (en) * | 1996-12-07 | 1999-03-10 | 罗伯特·博施有限公司 | Electromagnetic valve |
| CN1969120A (en) * | 2004-06-03 | 2007-05-23 | 博世株式会社 | Fuel injection valve |
| CN101251068A (en) * | 2008-03-21 | 2008-08-27 | 北京理工大学 | Valve core type high pressure co-rail electric-controlled oil ejector |
| CN101397963A (en) * | 2008-11-07 | 2009-04-01 | 清华大学 | High voltage common rail electronic control injector |
| CN103104391A (en) * | 2013-02-05 | 2013-05-15 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Electronic control diesel engine fuel injector with control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103423049A (en) | 2013-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103423049B (en) | Injector assembly | |
| CN103437928A (en) | Control valve assembly for electromagnetic valve type oil sprayer | |
| CN103644056B (en) | A kind of common rail system oil atomizer | |
| CN101251068B (en) | Valve core type high pressure co-rail electric-controlled oil ejector | |
| CN204458154U (en) | A kind of pressure balance type common-rail injector | |
| CN114151255B (en) | Electromagnetic valve direct-drive oil injection-pressurization double-acting oil injector | |
| CN101498263B (en) | High pressure common rail injector of direct control nozzle switch | |
| CN104728002A (en) | High pressure common rail oil sprayer without static leakage | |
| CN105673282A (en) | Pressure-balanced valve type common-rail fuel injector | |
| CN103498743B (en) | A kind of control valve of high pressure common rail electric control fuel injector | |
| CN103104391A (en) | Electronic control diesel engine fuel injector with control valve | |
| CN104196665B (en) | A kind of high pressure common rail injector | |
| CN105402452A (en) | Pressure relief valve | |
| CN106704067B (en) | The weak anti-oil return fuel injection device of leakage | |
| CN104747334A (en) | Electromagnetic jet control valve of low-inertia common-rail oil injector | |
| CN203867753U (en) | Oil sprayer | |
| CN108798956B (en) | Control oil way structure of common rail oil injector | |
| CN103925136A (en) | Fuel injector with solenoid valve mounted on side | |
| CN214577485U (en) | Valve rod assembly and high-pressure fuel injection valve | |
| CN215979654U (en) | Metering valve assembly for dual fuel injector | |
| GB2360349A (en) | Control valve for a fuel-injection nozzle | |
| CN204511735U (en) | A kind of high pressure common rail injector without static leakage | |
| CN211370597U (en) | Novel high-pressure common rail pump one-way oil outlet valve | |
| CN114017230A (en) | Armature separated fuel oil injector for fuel oil vehicle | |
| CN107917030B (en) | Control valve of common rail oil injector |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170718 Address after: 214063 Jiangsu province Binhu District of Wuxi City Qian Rong Lu No. 15 Patentee after: China FAW Group Corporation Address before: 214063 Jiangsu province Binhu District of Wuxi City Qian Rong Lu No. 15 Patentee before: Wuxi Oil Pump Nozzle Institute of First Automobile Works |