CN107100771A - A kind of new micro- spray common-rail injector - Google Patents
A kind of new micro- spray common-rail injector Download PDFInfo
- Publication number
- CN107100771A CN107100771A CN201710339139.2A CN201710339139A CN107100771A CN 107100771 A CN107100771 A CN 107100771A CN 201710339139 A CN201710339139 A CN 201710339139A CN 107100771 A CN107100771 A CN 107100771A
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- valve
- control
- valve element
- needle
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention discloses the new micro- spray common-rail injector of one kind, including fuel injector main body, orifice, control piston couple, needle valve assembly and electromagnetic valve component, the fuel injector main body is made up of fuel injector upper body and fuel injector lower body, the orifice is located on fuel injector, between lower body, fuel injector lower body and orifice are pressed on fuel injector upper body by the first tight cap, the electromagnetic valve component is pressed on the control valve intracavitary of fuel injector upper body by the second tight cap level, the control piston couple is arranged in the bottom mesopore of fuel injector lower body, the needle valve assembly is pressed on the lower end of fuel injector lower body by the 3rd tight cap.The present invention can improve the response speed of common-rail injector, and be easy to processing and manufacturing and assembling and setting.
Description
Technical field
The invention belongs to the fueling injection equipment technical field of internal combustion engine, and in particular to a kind of new micro- spray common-rail injector.
Background technology
Increasingly sharpen with the increasingly strict and energy crisis of Abgasgesetz, requirement of the internal combustion engine to fuel system is increasingly
Improve.Micro- electric-controlled fuel injector that sprays is as the critical component of dual fuel engine, and there is micro- spray electric-controlled fuel injector circulating fuel injection quantity to need
Ask small, the features such as small oil mass stability is high, installing space is narrow and small, the small and small oil mass stability height of circulating fuel injection quantity demand causes micro-
The parts required precision of injection injector is high, and production cost is accordingly higher；On the other hand, installing space is narrow and small causes micro- spray automatically controlled
The appearance and size of fuel injector is extremely restricted, while arranging compacter between requiring the parts of system.In addition, for ship
With engine, cylinder head thickness is big, it is desirable to which the axial height size of micro- injection injector is bigger than normal, has micro- injection injector " elongated
The feature of type ".In view of the foregoing, a kind of structure of exploitation is relatively easy, and radial dimension is smaller, with good process, may be used also
With improve micro- spray electric-controlled fuel injector of response speed undoubtedly have to the economy and emission performance for improving diesel engine it is highly important
Meaning.
The content of the invention
In order to overcome the problem of prior art is present, develop a kind of simple in construction, be easy to processing and manufacturing and assembling and setting,
The high pressure common rail electric control fuel injector of electric-controlled fuel injector response speed can also be improved.This fuel injector can effectively reduce high-pressure common rail
The processing cost of electric-controlled fuel injector, improves the response speed of fuel injector, is conducive to the multi-injection of common-rail injector, reduces diesel oil
The oil consumption of machine, improves the discharge of diesel engine.
The technical solution adopted in the present invention is：
A kind of new micro- spray common-rail injector, including fuel injector main body, orifice, control piston couple, needle valve assembly and
Electromagnetic valve component, the fuel injector main body is made up of fuel injector upper body and fuel injector lower body, the orifice be located at fuel injector on,
Between lower body, fuel injector lower body and orifice are pressed on fuel injector upper body by the first tight cap, and the electromagnetic valve component passes through
Second tight cap level is pressed on the control valve intracavitary of fuel injector upper body, and the control piston couple is arranged under fuel injector lower body
In portion's mesopore, the needle valve assembly is pressed on the lower end of fuel injector lower body by the 3rd tight cap.
Further, the electromagnetic valve component includes magnetic valve, control valve element, collar, armature, sleeve, magnetic valve spring, branch
Spring and support plate are supportted, the control valve element is close to inner position and control valve pocket conical surface seal, the outer end of the control valve element
Close to magnetic valve, magnetic valve is with controlling the distance between valve element outer end to be used as the lift of control valve element, the armature, support bullet
Spring, support plate and magnetic valve spring are sleeved on control valve element successively along control valve element outer end to interior extreme direction, outside the armature
Hold by collar with control poppet shaft to positioning, its inner is pressed in support plate by support spring, and controls the outer of valve element
End face protrudes from the outer face of armature, controls the axial distance of the outer face and armature outer face of valve element to be used as the most stingy of armature
Gap；The sleeve is arranged between magnetic valve and support plate, and the two ends of sleeve are born against on magnetic valve and support plate, with
Adjust the maximum air gap of armature；The magnetic valve spring is fitted between the omoplate at support plate and control valve in-core end.
Further, the control valve in-core end is provided with dummy piston along its axis direction, the dummy piston and control valve
Cavity wall is slidably matched, to be guided to the direction of motion for controlling valve element, and the conical seal (contact) face for controlling valve element is born
Hydraulic coupling be balanced.
Further, the needle valve assembly includes pressure spring, pressure spring seat, needle-valve and needle-valve body, in needle-valve body and spray
Transition block is provided between oily device lower body, pressure spring and pressure spring seat are all located in the mesopore of transition block；The control is lived
Filling in couple includes piston bush and control piston, and pressure spring is fitted on the lower end of pressure spring seat by piston bush, pressure regulation bullet
The upper end of spring abutment is contacted with control piston, and the lower end of pressure spring seat is pressed on needle-valve upper end.
Further, adjust pad, the pressure spring and pressure regulation bullet are installed between the magnetic valve spring and support plate
Pressure regulation pad is installed between spring abutment.
Beneficial effect produced by the present invention：
1st, by being moved up electromagnetic valve component and being arranged horizontally in the top of fuel injector, the radial dimension of fuel injector bottom is made
Reduce, fuel injector has the feature of " slender type ", meets the narrow and small requirement of the injection system installing space of dual fuel engine.
2nd, the support plate in electromagnetic valve component is simultaneously as the shared spring base of support spring and magnetic valve spring, by electromagnetism
Valve spring is arranged between the omoplate of control valve element and support plate, can avoid opening up spring mounting hole on magnetic valve, is reduced
The design difficulty of magnetic valve, while the demand of electromagnetic force can be met with the major and minor magnetic pole area of flexible design magnetic valve, changes
The response characteristic and jet performance of kind fuel injector.
3rd, by setting transition block between needle-valve body and fuel injector lower body, the structure of the parts such as needle-valve body is simplified,
Reduce difficulty when parts machining and assembling.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is Fig. 1 upper position enlarged drawing.
Fig. 3 is Fig. 1 medium position enlarged drawing.
Fig. 4 is Fig. 1 lower position enlarged drawing.
In figure：1-fuel injector upper body, 2-orifice, 3-fuel injector lower body, 4-control piston, 5-pressure spring,
It is 6-needle-valve body, 7-needle-valve, 8-the three tight caps, 9-pressure spring seat, 10-transition block, 11-piston bush, 12-the first tight
Cap, 13-armature, 14-control valve element, 15-magnetic valve, 16-the second tight caps, 17-support plate, 18-sleeve, 19-card
Circle, 20-support spring, 21-adjust pad, 22-magnetic valve spring, 23-pressure regulation pad；
1a-high-pressure oil duct, 1b-control oil duct, 1c-oil return oil duct, 1d-hydraulic oil oil-feed interface, 1f-oil return connect
Mouthful；
2a-meter in hole, 2b-fuel-displaced throttle orifice；6a-oil holding slot.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
New micro- spray common-rail injector shown in Figure 1, including fuel injector main body, orifice 2, control piston 4 couple,
Needle valve assembly and electromagnetic valve component.
As shown in figures 1 and 3, the fuel injector main body is made up of fuel injector upper body 1 and fuel injector lower body 3, the metering-orifice
Plate 2 is located between fuel injector upper and lower body 1,3, and fuel injector lower body 3 and orifice 2 are pressed on fuel injector by the first tight cap 12
On body 1.
As shown in Fig. 2 the electromagnetic valve component is pressed on the control valve pocket of fuel injector upper body 1 by the second tight level of cap 16
Interior, it includes magnetic valve 15, control valve element 14, collar 19, armature 13, sleeve 18, magnetic valve spring 22, support spring 20 and branch
Support plate 17, the control valve element 14 is close to inner position and control valve pocket conical surface seal, and the outer end of the control valve element 14 is close
Magnetic valve 15, the distance between outer end of magnetic valve 15 and control valve element 14 as the lift for controlling valve element 14, the armature 13,
Support spring 20, support plate 17 and magnetic valve spring 22 are sleeved on control valve element successively along the control outer end of valve element 14 to interior extreme direction
On 14, the outer end of armature 13 is pressed on by collar 19 and the control axially position of valve element 14, its inner by support spring 20
In support plate 17, and control the outer face of valve element 14 to protrude from the outer face of armature 13, control outer face and the armature of valve element 14
The axial distance of 13 outer faces as armature 13 minimal air gap；The sleeve 18 be arranged on magnetic valve 15 and support plate 17 it
Between, and the two ends of sleeve 18 are born against on magnetic valve 15 and support plate 17, by changing the length of sleeve 18, to adjust rank
The maximum air gap of iron 13；The magnetic valve spring 22 is fitted between support plate 17 and the inner omoplate of control valve element 14.It is above-mentioned
Structure not only increases the response speed of fuel injector, is conducive to the multi-injection of common-rail injector, and reduces magnetic valve 15
Design difficulty.
It is inner along its axle in control valve element 14 in order to be guided to the direction of motion for controlling valve element 14 in the present embodiment
Line direction is provided with dummy piston, and the dummy piston is slidably matched with control valve cavity wall, and the dummy piston can also be to control
The hydraulic coupling that the conical seal (contact) face of valve element 14 is born is balanced.
As shown in figure 4, the needle valve assembly includes pressure spring 5, pressure spring seat 9, needle-valve 7 and needle-valve body 6, in order to just
In installing and adjusting, transition block 10, pressure spring 5 and pressure spring seat 9 are provided between fuel injector lower body 3 and needle-valve body 6
In the mesopore for being all located at transition block 10, and offered in transition block 10 for connecting the high-pressure oil duct on fuel injector lower body 3
The passage of high-pressure oil duct 1a on 1a and needle-valve body 6；The control piston couple includes piston bush 11 and control piston 4, piston
11 interference are covered in the bottom mesopore of fuel injector lower body 3, and control piston 4 is located to slide with piston bush 11 in piston bush 11 and matched somebody with somebody
Close, pressure spring 5 is fitted on the lower end of pressure spring seat 9 by piston bush 11, upper end and the control piston of pressure spring seat 9
4 times end in contact, the lower end of pressure spring seat 9 is pressed on the upper end of needle-valve 7.
In the present embodiment, pressure regulation pad 23 is installed between pressure spring 5 and the pressure spring seat 9, changes pressure regulation
The pretightning force of pressure spring 5 can be adjusted flexibly in the thickness of pad 23.Likewise, the magnetic valve spring 22 and support plate 17 it
Between adjust pad 21 is installed, the pretightning force of magnetic valve spring 22 is can adjust by changing the thickness of adjust pad 21, and
It can compensate for the cumulative errors of parts machining and assembling.
The operation principle of the present invention：High pressure fuel enters fuel injector upper body 1 from hydraulic oil oil-feed interface 1d, is then divided into two
Road：Enter all the way through the meter in hole 2a on orifice 2 in the control chamber on fuel injector lower body 3, another road sequentially passes through spray
High-pressure oil duct 1a on oily device lower body 3, transition block 10 and needle-valve body 6 enters in the oil holding slot 6a of needle-valve body 6, and full of needle-valve body
6 inner chamber.Magnetic valve 15 is connected with electronic control system (abbreviation ECU), and ECU controls magnetic valve 15 according to diesel engine operating condition
Work, ECU do not sent before oil spout instruction, and magnetic valve 15 is powered off, and the control valve pocket in control valve element 14 and fuel injector upper body 1 is bored
Face is sealed, and control piston 4 is compressed downwards needle-valve 7 by the action of hydraulic force in control chamber, and needle-valve 7 is closed.
When ECU sends oil spout instruction, magnetic valve 15 is powered, and armature 13 overcomes spring force rapid to electricity under electromagnetic force
Magnet valve 15 is close, and control valve element 14 is opened under electromagnetic force, and the high pressure fuel in control chamber is successively through going out on orifice 2
Control oil duct 1b, control valve pocket and oil return oil duct 1c on oily throttle orifice 2b, fuel injector upper body 1 are discharged from oil return interface 1f, control
Cavity pressure processed declines, and when controlling cavity pressure to drop to certain value, control piston 4 and needle-valve 7 are up, the lower end of needle-valve body 6
Commencement of fuel injection, according to the duty requirements of engine, the power on duration of accurate control magnetic valve 15, so that accurately control circulation
Distributive value, it is ensured that engine work.
In the present embodiment, between the gap between control piston 4 and piston bush 11 and needle-valve 7 and needle-valve body 6
Clearance flow enters the fuel oil in the mesopore of transition block 10, passes sequentially through the oil return oil of fuel injector lower body 3, orifice 2 and fuel injector upper body 1
Road 1c is discharged from oil return interface 1f.
Claims (5)
1. a kind of new micro- spray common-rail injector, including fuel injector main body, orifice (2), control piston couple, needle valve assembly and
Electromagnetic valve component, it is characterised in that：The fuel injector main body is made up of fuel injector upper body (1) and fuel injector lower body (3), the amount
Orifice plate is located between fuel injector upper and lower body, and fuel injector lower body and orifice are pressed on fuel injector upper body by the first tight cap (12)
On, the electromagnetic valve component is pressed on the control valve intracavitary of fuel injector upper body by the second tight cap (16) level, and the control is lived
Fill in couple to be arranged in the bottom mesopore of fuel injector lower body, the needle valve assembly is pressed under fuel injector by the 3rd tight cap (8)
The lower end of body.
2. new micro- spray common-rail injector according to claim 1, it is characterised in that：The electromagnetic valve component includes electromagnetism
Valve (15), control valve element (14), collar (19), armature (13), sleeve (18), magnetic valve spring (22), support spring (20) and
Support plate (17), the control valve element is close to inner position and control valve pocket conical surface seal, and the outer end of the control valve element is close
Magnetic valve, magnetic valve is with controlling the distance between valve element outer end to be used as the lift of control valve element, the armature, support spring, branch
Support plate and magnetic valve spring are sleeved on control valve element successively along control valve element outer end to interior extreme direction, and the armature outer end passes through
Collar is with control poppet shaft to positioning, and its inner is pressed in support plate by support spring, and the outer face of control valve element is dashed forward
For the outer face of armature, the outer face of valve element and minimal air gap of the axial distance of armature outer face as armature are controlled；Institute
Sleeve is stated to be arranged between magnetic valve and support plate, and the two ends of sleeve are born against on magnetic valve and support plate, to adjust
The maximum air gap of armature；The magnetic valve spring is fitted between the omoplate at support plate and control valve in-core end.
3. new micro- spray common-rail injector according to claim 2, it is characterised in that：The inner edge of control valve element (14)
Its axis direction is provided with dummy piston, and the dummy piston is slidably matched with control valve cavity wall, with the motion to controlling valve element
Direction is guided, and the hydraulic coupling for controlling the conical seal (contact) face of valve element to be born is balanced.
4. new micro- spray common-rail injector according to claim 1, it is characterised in that：The needle valve assembly includes pressure regulation bullet
Spring (5), pressure spring seat (9), needle-valve (7) and needle-valve body (6), transition block is provided between needle-valve body and fuel injector lower body
(10), pressure spring and pressure spring seat are all located in the mesopore of transition block；The control piston couple includes piston bush (11)
With control piston (4), pressure spring is fitted on the lower end of pressure spring seat by piston bush, the upper end of pressure spring seat and control
Piston contact processed, the lower end of pressure spring seat is pressed on needle-valve upper end.
5. new micro- spray common-rail injector according to claim 2 or 4, it is characterised in that：The magnetic valve spring (22)
Adjust pad (21) is installed between support plate (17), tune is installed between the pressure spring (5) and pressure spring seat (9)
Pressure pad piece (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339139.2A CN107100771B (en) | 2017-05-15 | 2017-05-15 | Micro-injection common rail oil sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339139.2A CN107100771B (en) | 2017-05-15 | 2017-05-15 | Micro-injection common rail oil sprayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107100771A true CN107100771A (en) | 2017-08-29 |
| CN107100771B CN107100771B (en) | 2023-06-23 |
Family
ID=59669751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710339139.2A Active CN107100771B (en) | 2017-05-15 | 2017-05-15 | Micro-injection common rail oil sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107100771B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514328A (en) * | 2017-09-27 | 2017-12-26 | 重庆红江机械有限责任公司 | A kind of micro- spray electric-controlled fuel injector for dual fuel engine |
| CN107524551A (en) * | 2017-08-31 | 2017-12-29 | 重庆红江机械有限责任公司 | A kind of micro- spray electric-controlled fuel injector with pressure-maintaining structure |
| CN109162848A (en) * | 2018-10-30 | 2019-01-08 | 中船动力研究院有限公司 | A kind of electric-controlled fuel injector system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423049A (en) * | 2013-09-06 | 2013-12-04 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Fuel injector assembly |
| CN204299753U (en) * | 2014-11-27 | 2015-04-29 | 重庆红江机械有限责任公司 | A kind of high pressure common rail electric control fuel injector |
| CN204299754U (en) * | 2014-12-03 | 2015-04-29 | 重庆红江机械有限责任公司 | A kind of electric-controlled fuel injector of radial oil-feed |
| CN105840379A (en) * | 2016-03-24 | 2016-08-10 | 中国北方发动机研究所(天津) | L-shaped common-rail fuel injector |
| CN106089523A (en) * | 2016-08-16 | 2016-11-09 | 重庆红江机械有限责任公司 | A kind of high pressure common rail electric control fuel injector |
| CN106438545A (en) * | 2016-10-17 | 2017-02-22 | 浙江华益精密机械股份有限公司 | Load sensing type balance valve |
| CN207004700U (en) * | 2017-05-15 | 2018-02-13 | 重庆红江机械有限责任公司 | A kind of new micro- spray common-rail injector |
-
2017
- 2017-05-15 CN CN201710339139.2A patent/CN107100771B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423049A (en) * | 2013-09-06 | 2013-12-04 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Fuel injector assembly |
| CN204299753U (en) * | 2014-11-27 | 2015-04-29 | 重庆红江机械有限责任公司 | A kind of high pressure common rail electric control fuel injector |
| CN204299754U (en) * | 2014-12-03 | 2015-04-29 | 重庆红江机械有限责任公司 | A kind of electric-controlled fuel injector of radial oil-feed |
| CN105840379A (en) * | 2016-03-24 | 2016-08-10 | 中国北方发动机研究所(天津) | L-shaped common-rail fuel injector |
| CN106089523A (en) * | 2016-08-16 | 2016-11-09 | 重庆红江机械有限责任公司 | A kind of high pressure common rail electric control fuel injector |
| CN106438545A (en) * | 2016-10-17 | 2017-02-22 | 浙江华益精密机械股份有限公司 | Load sensing type balance valve |
| CN207004700U (en) * | 2017-05-15 | 2018-02-13 | 重庆红江机械有限责任公司 | A kind of new micro- spray common-rail injector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524551A (en) * | 2017-08-31 | 2017-12-29 | 重庆红江机械有限责任公司 | A kind of micro- spray electric-controlled fuel injector with pressure-maintaining structure |
| CN107514328A (en) * | 2017-09-27 | 2017-12-26 | 重庆红江机械有限责任公司 | A kind of micro- spray electric-controlled fuel injector for dual fuel engine |
| CN107514328B (en) * | 2017-09-27 | 2023-12-08 | 重庆红江机械有限责任公司 | Micro-injection electric control fuel injector for dual-fuel engine |
| CN109162848A (en) * | 2018-10-30 | 2019-01-08 | 中船动力研究院有限公司 | A kind of electric-controlled fuel injector system |
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| Publication number | Publication date |
|---|---|
| CN107100771B (en) | 2023-06-23 |
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