CN109578175A - With metered injection, the high pressure gas rail of automatic protection functions and its working method - Google Patents
With metered injection, the high pressure gas rail of automatic protection functions and its working method Download PDFInfo
- Publication number
- CN109578175A CN109578175A CN201811230964.XA CN201811230964A CN109578175A CN 109578175 A CN109578175 A CN 109578175A CN 201811230964 A CN201811230964 A CN 201811230964A CN 109578175 A CN109578175 A CN 109578175A
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- partition
- high pressure
- piston
- gas
- pressure gas
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- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 87
- 238000005192 partition Methods 0.000 claims abstract description 72
- 239000000567 combustion gas Substances 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005507 spraying Methods 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/025—Failure diagnosis or prevention; Safety measures; Testing
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Technical solution of the present invention discloses a kind of with metered injection, the high pressure gas rail of automatic protection functions and its working method; including common rail body, it is installed on first partition and second partition in common rail body, is installed in first partition and the movable piston back and forth between first partition, second partition; air cavity is formed in common rail body between first partition and second partition; air cavity is separated into left chamber body, right chamber body by piston; for left chamber body through there is gas inlet hole, gas inlet hole connects gas inlet pipe；Through gas outlet hole is equipped in right chamber body, gas outlet hole connects solenoid valve.The present invention installs piston by the way that at least two partitions are arranged in common rail body wherein, realizes the purpose that combustion gas accurately controls, and avoids safety problem caused by excessive combustion gas sprays into.The structure of high pressure gas rail of the invention is simple, and functional integration is high.The amount of parts of high pressure gas rail of the invention is greatly decreased compared with existing structure, saves manufacturing cost.
Description
Technical field
The present invention relates to high pressure gas rail technical fields, more particularly, to a kind of height with metered injection, automatic protection functions
It calms the anger rail and its working method.
Background technique
With the sustainable development of global economy, people are still being constantly increasing energy demand, and at present in world wide
Oil shortage and global problem of environmental pollution become increasingly conspicuous so that various countries one after another by sight turn to using gas as fuel
Gas machine and double fuel machine.And control that combustion gas common rail is sprayed as gaseous fuel and executive component are just unquestionable becomes gas
Body machine and most crucial one of the part of double fuel machine.Widely used combustion gas distribution block only has single pressure accumulation currently on the market
Function, another other component of installing play certain safeguard protection, it may be assumed that are equipped with window valve and double electromagnetism on combustion gas distribution block
Valve, before gas injection, solenoid valve is in closed state before solenoid valve and fuel gas injection valve before window valve, window valve, works as combustion gas
Injection valve opens front window valve and needs to open, and solenoid valve powers on before control unit sends instruction control window valve, high pressure servo oil
Enter window valve all the way, driving window valve is opened, and combustion gas enters that fuel gas injection valve air inlet etc. is to be sprayed, and high pressure is watched in window valve
It takes oily another way and enters solenoid valve before fuel gas injection valve, it is to be driven at oil inlet etc.；When fuel gas injection valve needs to open, control
Solenoid valve powers on before unit processed sends instruction control fuel gas injection valve, waits the height before staying in fuel gas injection valve at solenoid valve oil inlet
Pressure servo oil enters fuel gas injection valve, and driving valve inner needle valve overcomes the spring resistance of fuel gas injection valve to move upwards, fuel gas injection
Valve is opened and jet；When fuel gas injection valve needs to close, solenoid valve is disconnected before control unit sends instruction control fuel gas injection valve
Electricity, the cutting of high pressure servo oil, needle-valve moves downward until taking a seat under spring force and needle-valve gravity, and fuel gas injection valve closes
It closes；After fuel gas injection valve is closed, according to setting time, window valve is closed, and control unit sends electromagnetism before instruction control window valve
Valve power-off, the cutting of high pressure servo oil, window valve is closed under spring force, the fuel gas path cutting of fuel gas injection valve.Due to
The accidental situation of control system, window valve, solenoid valve and each section part, when lacking combustion gas excessive protective device automatically on
The system of stating will lead to excessive combustion gas and spray into cylinder and cause the safety problems such as detonation.Moreover, widely used combustion currently on the market
Gas jet system is to control fuel gas injection valve needle-valve by time for powering on of solenoid valve before control fuel gas injection valve to open and spray
The time of gas, so that control sprays into the combustion gas volume in cylinder every time.Since what control system, solenoid valve and driving structure generated prolongs
Late and error, such control mode can not accomplish accurately to control for the injection of combustion gas.
Summary of the invention
The purpose of the present invention is to provide a kind of more simple and safety high-pressure gas common rail, realize combustion gas it is accurate,
While metered injection, the peace such as avoid when control system, solenoid valve or spring failure excess combustion gas from spraying into cylinder and cause detonation
Full problem.
To achieve the above object, technical solution of the present invention provides a kind of high pressure gas with metered injection, automatic protection functions
Rail, wherein include:
Common rail body；
It is installed on first partition and second partition in the common rail body；
It is installed in the first partition and the movable piston back and forth between the first partition, the second partition,
Wherein；
Form air cavity between the first partition and the second partition in the common rail body, the piston is by the gas
Chamber is separated into left chamber body, right chamber body, and:
For the left chamber body through there is gas inlet hole, the gas inlet hole connects gas inlet pipe；
Through gas outlet hole is equipped in the right chamber body, the gas outlet hole connects solenoid valve.
Optionally, the first partition is being equipped with pillar with the piston installation place, and the piston is telescopically installed on
In the pillar.
Optionally, the piston has the boss for limit towards one end of the second partition.
Optionally, in the longitudinal direction through the through-hole being equipped with for installing the piston in the pillar.
Optionally, when the piston extend out to the boss and is butted on the second partition, the piston is by the combustion gas
Venthole covering.
Optionally, sealing ring is installed between the piston and the common rail body.
In order to solve the above technical problems, technical solution of the present invention also provides a kind of band metered injection, automatic protection functions
High pressure gas rail working method, wherein the working method is as follows:
When high pressure gas rail is in non-ejection state, the solenoid valve power-off, the gas outlet hole closing, the piston pressure
Tightly in the first partition；
When high pressure gas rail is in spray regime, the solenoid valves, the gas outlet hole conducting, the gas inlet
Pipe is filled with combustion gas into the left chamber body and forces the piston mobile towards the second partition；
When high pressure gas rail is in the amount of injection upper limit, the piston contacts with the second partition and blocks the gas outlet
Hole.
The beneficial effect of technical solution of the present invention is:
The present invention installs piston by the way that at least two partitions are arranged in common rail body wherein, and it is accurate to realize combustion gas
The purpose of control avoids safety problem caused by excessive combustion gas sprays into.The structure of high pressure gas rail of the invention is simple, function collection
It is high at degree.The amount of parts of high pressure gas rail of the invention is greatly decreased compared with existing structure, saves manufacturing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mesohigh of embodiment of the present invention gas rail；
Fig. 2 is structural schematic diagram when mesohigh of embodiment of the present invention gas rail works；
Fig. 3 is the structural schematic diagram of high pressure gas rail when piston reaches the limit of position in the embodiment of the present invention.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature right above second feature and oblique upper, or be merely representative of
First feature horizontal height is less than second feature.
It is shown in Figure 1, a kind of high pressure gas rail with metered injection, automatic protection functions of embodiment is shown,
In, including common rail body 1, it is installed on first partition 2 and second partition 3 in common rail body 1, is installed in first partition 2 and first
Movable piston 4 back and forth between partition 2, second partition 3, wherein between first partition 2 and second partition 3 in common rail body 1 shape
At air cavity 5, air cavity 5 is separated into left chamber body 51, right chamber body 52 by piston 4, left chamber body 51 through there is a gas inlet hole 6, combustion gas into
Stomata 6 connects gas inlet pipe 7, runs through in right chamber body 52 and is equipped with gas outlet hole 8, and gas outlet hole 8 connects solenoid valve 9.
In the present embodiment, first partition 2 is being equipped with pillar 21 with 4 installation place of piston, and piston 4 is telescopically installed on pillar
In 21, piston 4 has the boss 42 for limit towards one end of second partition 3, runs through in the longitudinal direction in pillar 21 and sets
There is the through-hole for installing piston, piston 4 extend out to boss 42 when being butted on second partition 3, and piston 4 covers gas outlet hole 8
Lid, is equipped with sealing ring (not shown) between piston 4 and common rail body 1.
Pass through the following characteristic and function for illustrating that further insight is of the invention.
A kind of working method with metered injection, the high pressure gas rail of automatic protection functions is also provided in the present embodiment, wherein
Working method is as follows:
When high pressure gas rail is in non-ejection state, solenoid valve 9 is powered off, and gas outlet hole 8 is closed, and piston 4 is pressed on first
On partition 2；
When high pressure gas rail is in spray regime, solenoid valve 9 is powered, and gas outlet hole 8 is connected, and gas inlet pipe 7 is to left chamber
It is filled with combustion gas in body 51 and forces piston 4 mobile towards second partition 3；
When high pressure gas rail is in the amount of injection upper limit, piston 4 contacts with second partition 3 and blocks gas outlet hole 8.
It is described in further detail below:
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of mesohigh gas rail of the embodiment of the present invention.High pressure gas rail includes common rail body
1, first partition 2, second partition 3, piston 4, gas inlet pipe 7, solenoid valve 8 and throttle orifice 10.First partition 2, second partition
3, piston 4, gas inlet pipe 7, solenoid valve 9 and throttle orifice 10 are set on common rail body 1.
First partition 2, second partition 3 are installed among common rail body 1 by fixed range, and by fixed between common rail body 1
Position pin (not shown) connection positioning, is separated into each independent air cavity 5 for 1 cavity of common rail body.In first partition 2, second partition 3
Portion has pillar 21 outstanding to cooperatively form couple with piston 4.The throttling of circumferential array is equipped in first partition 2, second partition 3
Hole 10 (quantity of throttle orifice 10 is preferably four).
Piston 4 is located among 1 air cavity 5 of common rail body, and is respectively formed and exists respectively between first partition 2, second partition 3
Relative motion.41 fronts of piston head of piston 4 are provided with boss 42 to carry out the reset of mechanical position limitation and piston 4.
It is respectively formed that one closed, volume can become with piston motion between piston 4 and first partition 2, second partition 3
The left chamber body 51 and right chamber body 52 of change.The left chamber body 51 formed between piston 4 and first partition 2 passes through gas inlet hole 6 and combustion
Gas air inlet pipe 7 communicates.
Solenoid valve 9 is installed on common rail body 1, and the fuel gas inlet of solenoid valve 9 is located at the gas outlet hole 8 of common rail body 1, is led to
It crosses solenoid valve 9 and is powered and powers off the opening and closing for directly controlling fuel gas injection.
It is provided with radial direction seal ring (not shown) between first partition 2, second partition 3 and the contact surface of common rail body 1, uses
In preventing the combustion gas of gap location from leaking.Piston head 41 of piston 4 are provided with radial direction seal ring (not shown), for preventing gap
The combustion gas at place leaks.
The present embodiment avoids single fuel gas injection process by using partition 2,3 and piston 4 is installed in combustion gas common rail
Middle excess combustion gas sprays into cylinder, and the specific working principle is as follows for the high pressure gas rail of the present embodiment:
When the combustion gas common rail section corresponding to a certain cylinder is in non-ejection state, as shown in Figure 1, solenoid valve 9 powers off,
The left chamber body 51 being made of piston 4, first partition 2 is connected to by the throttle orifice 10 on second partition 3 with gas inlet pipe 7, left
Pressure is the gas supply pressure that gas inlet pipe 7 provides in cavity 51.The right chamber body 52 that piston 4 and second partition 3 are formed with
Gas inlet pipe 5 is directly connected to, and pressure is also gas supply pressure, but due to the presence of piston rod, is fired on the left of piston head 41
Gas active area is less than right side, and piston 4 is moved downward and is finally pressed on the pillar 21 of first partition 2.
When common rail section is in spray regime, as shown in Fig. 2, solenoid valve 9 be powered, high-pressure gas by piston 4, second every
Plate 3 form right chamber body 52 enter fuel gas injection valve spray into cylinder in, since 10 circulation area of throttle orifice is small, combustion gas can not quickly into
Enter right chamber body 52, therefore the pressure decline of right chamber body 52.Piston 4 is transported to the right by the combustion gas promotion of the high pressure in left chamber body 51
It is dynamic, guarantee that the gaseous-pressure in right chamber body 52 is stablized.
When fuel gas injection amount reaches the upper limit, as shown in figure 3,41 right boss 42 of piston head operation on piston 4 is to the
At the mechanical position limitation of two partitions 3, gas outlet hole 8 is blocked by piston, and fuel gas injection stops, and realizes safeguard protection effect.
In conclusion the present invention is in common rail body by being arranged at least two partitions, and installs piston wherein, realize
The purpose that combustion gas accurately controls avoids safety problem caused by excessive combustion gas sprays into.The structure letter of high pressure gas rail of the invention
Single, functional integration is high.The amount of parts of high pressure gas rail of the invention is greatly decreased compared with existing structure, save manufacture at
This.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention, right
For those skilled in the art, it should can appreciate that and all replace with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (7)
1. a kind of high pressure gas rail with metered injection, automatic protection functions characterized by comprising
Common rail body；
It is installed on first partition and second partition in the common rail body；
It is installed in the first partition and the movable piston back and forth between the first partition, the second partition, wherein；
Air cavity is formed between the first partition and the second partition in the common rail body, the piston divides the air cavity
It is divided into left chamber body, right chamber body, and:
For the left chamber body through there is gas inlet hole, the gas inlet hole connects gas inlet pipe；
Through gas outlet hole is equipped in the right chamber body, the gas outlet hole connects solenoid valve.
2. the high pressure gas rail according to claim 1 with metered injection, automatic protection functions, which is characterized in that described
One partition is being equipped with pillar with the piston installation place, and the piston is telescopically installed in the pillar.
3. the high pressure gas rail according to claim 2 with metered injection, automatic protection functions, which is characterized in that the work
Fill in the boss having towards one end of the second partition for limit.
4. the high pressure gas rail according to claim 2 with metered injection, automatic protection functions, which is characterized in that described convex
In the longitudinal direction through the through-hole being equipped with for installing the piston in column.
5. the high pressure gas rail according to claim 3 with metered injection, automatic protection functions, which is characterized in that the work
When plug extend out to the boss and is butted on the second partition, the piston covers the gas outlet hole.
6. the high pressure gas rail according to claim 1 with metered injection, automatic protection functions, which is characterized in that the work
Sealing ring is installed between plug and the common rail body.
7. a kind of working method with metered injection, the high pressure gas rail of automatic protection functions, which is characterized in that the working method
It is as follows:
When high pressure gas rail is in non-ejection state, the solenoid valve power-off, the gas outlet hole is closed, and the piston is pressed on
In the first partition；
When high pressure gas rail is in spray regime, the solenoid valves, gas outlet hole conducting, the gas inlet pipe to
It is filled with combustion gas in the left chamber body and forces the piston mobile towards the second partition；
When high pressure gas rail is in the amount of injection upper limit, the piston contacts with the second partition and blocks the gas outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230964.XA CN109578175A (en) | 2018-10-22 | 2018-10-22 | With metered injection, the high pressure gas rail of automatic protection functions and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230964.XA CN109578175A (en) | 2018-10-22 | 2018-10-22 | With metered injection, the high pressure gas rail of automatic protection functions and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578175A true CN109578175A (en) | 2019-04-05 |
Family
ID=65920387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811230964.XA Pending CN109578175A (en) | 2018-10-22 | 2018-10-22 | With metered injection, the high pressure gas rail of automatic protection functions and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578175A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257773A1 (en) * | 2004-05-20 | 2005-11-24 | Magneti Marelli Powertrain S.P.A. | Method and system for the direct injection of fuel into an internal combustion engine |
| JP2006233805A (en) * | 2005-02-23 | 2006-09-07 | Toyota Motor Corp | Fuel injection device |
| CN202402173U (en) * | 2011-12-31 | 2012-08-29 | 深圳市华江科技有限公司 | Injection valve |
| CN102828857A (en) * | 2011-06-14 | 2012-12-19 | 株式会社电装 | Fuel injection device |
| CN209179905U (en) * | 2018-10-22 | 2019-07-30 | 中船动力研究院有限公司 | High pressure gas rail with metered injection and automatic protection functions |
-
2018
- 2018-10-22 CN CN201811230964.XA patent/CN109578175A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257773A1 (en) * | 2004-05-20 | 2005-11-24 | Magneti Marelli Powertrain S.P.A. | Method and system for the direct injection of fuel into an internal combustion engine |
| JP2006233805A (en) * | 2005-02-23 | 2006-09-07 | Toyota Motor Corp | Fuel injection device |
| CN102828857A (en) * | 2011-06-14 | 2012-12-19 | 株式会社电装 | Fuel injection device |
| CN202402173U (en) * | 2011-12-31 | 2012-08-29 | 深圳市华江科技有限公司 | Injection valve |
| CN209179905U (en) * | 2018-10-22 | 2019-07-30 | 中船动力研究院有限公司 | High pressure gas rail with metered injection and automatic protection functions |
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| PB01 | Publication | ||
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Application publication date: 20190405 |