CN110118138A - A kind of gaseous-fuel injector - Google Patents
A kind of gaseous-fuel injector Download PDFInfo
- Publication number
- CN110118138A CN110118138A CN201910332486.1A CN201910332486A CN110118138A CN 110118138 A CN110118138 A CN 110118138A CN 201910332486 A CN201910332486 A CN 201910332486A CN 110118138 A CN110118138 A CN 110118138A
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- China
- Prior art keywords
- valve
- needle
- fuel
- gaseous
- valve 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000003345 natural gas Substances 0.000 claims abstract description 29
- 239000002828 fuel tank Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 18
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 abstract description 15
- 239000007924 injection Substances 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000543 intermediate Substances 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000002283 diesel fuel Substances 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- 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
- F02M21/0248—Injectors
- F02M21/0251—Details of actuators therefor
-
- 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
- F02M21/0248—Injectors
- F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
- F02M21/026—Lift valves, i.e. stem operated valves
- F02M21/0263—Inwardly opening single or multi nozzle valves, e.g. needle valves
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention belongs to fuel injection system for IC engine technical fields, and in particular to a kind of gaseous-fuel injector.The gaseous-fuel injector, including valve body, fuel tank, gas rail and Hydraulic Common Rail, stomata on the valve body is connected to gas rail, there are needle control chambers between the intracorporal needle-valve of valve and intermediate, needle control chamber is connected to by the fuel feed hole on intermediate with Hydraulic Common Rail, and is connected to by communicating valve with fuel tank.The beneficial effect is that: for ejector applications in the direct injection technology of compressed natural gas, engine compression ratio is high, and the thermal efficiency is high, and fuel consumption is low, and is able to satisfy the requirement of higher and higher discharge standard；Injector controls the open and close of needle-valve by 2/2-way valve or two-position three-way valve, so that the injecting time and the amount of injection that control natural gas are, it can be achieved that the timing of compressed natural gas, quantitative, multiple accurate injection；Continuing common rail direct injection, structure is simple, and it is easy to process, reduce production cost.
Description
Technical field
The invention belongs to fuel injection system for IC engine technical fields, and in particular to a kind of gaseous-fuel injector.
Background technique
Traditional automotive power, it is most of using the liquid fuels such as gasoline and diesel oil as combustion medium, partially with day
Right gas is as fuel.
Diesel engine is needed using newest high-pressure common rail spraying technique, and the diesel oil of ejection is with molecule state quilt
Being injected directly into burning, molecule in engine chamber cannot be completely burned, and part PM particle can be discharged into air.
Diesel engine can also discharge a large amount of NOx in burning, and COx, SOx etc. pollute the gas of environment.For reduce polluted gas and
The discharge of PM particle is needed using DOC, and a variety of post processing modes such as SCR, DPF, structure is complicated, and cost is very high.Realize state
Six discharge standards, have reached the limit of diesel emission, and diesel engine has been difficult to meet the requirement of more maximum discharge standard again.And
Diesel oil is non-renewable resources, not can guarantee the sustainable supply of the energy.
Gasoline engine can not carry out high pressure and directly spray in burning, can only carry out fuel and air pre-mixing conjunction is laggard
Row low-pressure combustion, compression ratio is low, and the thermal efficiency is low, and along with the burning of gasoline, also has a large amount of NOx, the pollution such as COx, SOx
Environment is polluted in the discharge of the gas and PM particle of environment.Gasoline is also non-renewable resources, not can guarantee the sustainable confession of the energy
It answers.
Existing a small amount of natural gas internal combustion engine in the market, is gas-duct jetting, and firing device pair is used at inlet manifold
Natural gas igniting, engine compression ratio is low, and the thermal efficiency is relatively low, and natural gas can enter cylinder with air, in compression process into
Enter in the gap of cylinder, the natural gas (CH4) in gap cannot be burned off, and be expelled directly out, be will form the pollution to air.
With the development of science and technology, having had already appeared natural gas internal combustion engine direct injection technology at present, internal combustion engine at work, is being pressed
The near top dead center of contracting sprays into compressed natural gas, by firing device ignite natural gas carry out work by combustion.Compressed natural gas
Direct injection technology, has high compression ratio, high thermal efficiency, and low fuel consumption amount is able to satisfy the demand of power and energy consumption.Natural gas
Main component be methane (CH4), the product of burning is mainly carbon dioxide and water, can be significantly reduced NOx, COx, SOx etc.
Pollute the discharge of the gas and PM particle of environment.Natural gas can be produced by artificial mode, be renewable resource, be can guarantee
The sustainable supply of the energy.The development of compressed natural gas direct spraying technology has obtained the attention of countries in the world.Germany volkswagen group is
Start to greatly develop compressed natural gas direct spraying technology, by 2025, about 2000 CNG gas stations will be built up in Germany, and make to supply
Amount is increased to be used for million automobile with compressed natural gas.
Natural gas straight injection internal combustion engine is also in the research and development test stage currently on the market, does not form mature technology path.
The structure design of natural gas injector is complex, and the cost of production is very high, and injector is in the injection of control compressed natural gas
When amount, there are bigger fluctuations.
Summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of fuel consumption is low, gas combustion easy to process
Material ejector.
The present invention is achieved through the following technical solutions:
A kind of gaseous-fuel injector, including valve body, fuel tank, gas rail and Hydraulic Common Rail, stomata and gas rail on the valve body connect
Logical, there are needle control chamber between the intracorporal needle-valve of valve and intermediate, needle control chamber passes through the fuel feed hole and liquid on intermediate
Common rail connection is pressed, and is connected to by 2/2-way valve with fuel tank.
Further, it is equipped with sealing ring between the valve body inner needle valve and valve body, effectively realizes that compression is natural by sealing ring
Sealing between gas and hydraulic oil.
Further, the valve end is equipped with spray orifice, and there are spray chamber between valve body inner needle valve and spray orifice, needle-valve is located at needle
It is equipped with needle-valve set at valve control chamber, is cased with needle valve spring between needle-valve set and needle-valve.
Further, the intermediate is equipped with fuel feed hole and oil outlet, fuel feed hole and oil outlet respectively with needle control chamber
Connection, oil outlet are connected to by 2/2-way valve with fuel tank.
Further, the intermediate is equipped with fuel feed hole, and fuel feed hole is connected by two-position three-way valve and Hydraulic Common Rail and fuel tank
It is logical.
The beneficial effects of the present invention are: ejector applications are in the direct injection technology of compressed natural gas, engine compression ratio is high, heat
High-efficient, fuel consumption is low, and is able to satisfy the requirement of higher and higher discharge standard；Injector passes through 2/2-way valve or two
Position three-way valve controls the open and close of needle-valve, so that the injecting time and the amount of injection that control natural gas are, it can be achieved that compression is natural
The timing of gas, quantitative, multiple accurate injection；Continuing common rail direct injection, structure is simple, and it is easy to process, reduce production
Cost.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Attached drawing 1 is gas ejector structural schematic diagram of the present invention；
Attached drawing 2 is the structural schematic diagram of the embodiment of the present invention 2；
Attached drawing 3 is gas ejector needleless housing configuration schematic diagram of the present invention.
In figure, 1 valve body, 2 needle-valves, 3 intermediates, 4 needle valve springs, 5 needle-valve sets, 6 gas rails, 7 Hydraulic Common Rails, 8 fuel tanks, 9 liang
Position two-way valve, 10 spray chambers, 11 stomatas, 12 fuel feed holes, 13 oil outlets, 14 needle control chambers, 15 sealing rings, 16 spray orifices, 17 liang
Position three-way valve, 18 first passages, 19 second channels, 20 third channels.
Specific embodiment
The present invention will be further described below in conjunction with the embodiments.
Embodiment 1
Attached drawing 1 is a kind of specific embodiment of the invention.A kind of gaseous-fuel injector of the invention, including valve body 1, fuel tank 8, gas
Rail 6 and Hydraulic Common Rail 7, the stomata 11 on the valve body 1 are connected to gas rail 6, between the needle-valve 2 in valve body 1 and intermediate 3 there are
Needle control chamber 14, needle control chamber 14 are connected to by the fuel feed hole 12 on intermediate 3 with Hydraulic Common Rail 7, and pass through two two
Port valve 9 is connected to fuel tank 8.
Further, it is equipped with sealing ring 15 between 1 inner needle valve 2 of valve body and valve body 1, pressure is effectively realized by sealing ring 15
Sealing between contracting natural gas and hydraulic oil.
Further, 1 end of valve body is equipped with spray orifice 16, there are spray chamber 10 between 1 inner needle valve 2 of valve body and spray orifice 16,
Needle-valve 2, which is located at needle control chamber 14, is equipped with needle-valve set 5, is cased with needle valve spring 4 between needle-valve set 5 and needle-valve 2.
Further, the intermediate 3 is equipped with fuel feed hole 12 and oil outlet 13, fuel feed hole 12 and oil outlet 13 respectively with needle
Valve control chamber 14 is connected to, and oil outlet 13 is connected to by 2/2-way valve 9 with fuel tank 8.
In injector, stomata 11 is arranged in a kind of gaseous-fuel injector of the invention on valve body 1, on stomata 11 and intermediate 3
Stomata communicate, 11 lower end of stomata is communicated with spray chamber 10.1 lower end of valve body be arranged spray orifice 16, needle-valve 2 open when, spray orifice 16 with
Spray chamber 10 communicates.
In injector, fuel feed hole 12 and oil outlet 13 are set, and it is straight that 12 diameter of fuel feed hole is less than oil outlet 13 on intermediate 3
Diameter, fuel feed hole 12 and 7 piping connection of Hydraulic Common Rail, oil outlet 13 pass through 2/2-way valve 9 and 8 piping connection of fuel tank.Fuel feed hole
12 and 13 lower end of oil outlet communicated with needle control chamber 14.Hydraulic Common Rail 7, needle control chamber 14, the liquid in fuel tank 8, can
Think diesel oil, machine oil, hydraulic oil and other can control the liquid of pressure.
In injector, sealing ring 15 is set, sealing ring 15 can effectively realize compressed natural gas between valve body 1 and needle-valve 2
Sealing between hydraulic oil.
In injector, needle valve spring 4 is installed between 2 top of needle-valve and valve body 1, and needle-valve 2 is pressed in valve by needle valve spring 4
On sealing cone inside body 1, spray chamber 10 is isolated with spray orifice 16.
In injector work, Hydraulic Common Rail 7 is always maintained at unimpeded, gas rail 11 and spray chamber 10 1 with needle control chamber 14
Directly keep unimpeded.When 2/2-way valve 9 is closed, the resultant force of needle-valve 2 top hydraulic coupling and spring force, greater than 2 lower part of needle-valve
Atmospheric pressure, needle-valve 2 are pressed on the sealing cone inside valve body 1, and spray chamber 10 is isolated with spray orifice 16.In 2/2-way valve
9 open when, needle control chamber 14 is communicated with fuel tank 8, because 13 diameter of oil outlet be greater than 12 diameter of fuel feed hole, out oil stream amount greater than into
Oil stream amount, the pressure reduction of needle control chamber 14, hydraulic coupling suffered by 2 upper end of needle-valve reduce, and the atmospheric pressure of 2 lower end of needle-valve is greater than
When the resultant force of needle, 2 upper end hydraulic couplings and spring force, needle-valve 2 is detached from the sealing cone inside valve body 1, moves upwards, spray chamber 10
It is communicated with spray orifice 16, compressed natural gas sprays into combustion chamber by spray orifice 16, is ignited after device lights, engine combustion acting.
When 2/2-way valve 9 is closed, the access between needle control chamber 14 and fuel tank 8 is cut off, and the pressure of needle control chamber 14 is fast
Speed increases, the resultant force of hydraulic coupling and spring force suffered by 2 upper end of needle-valve, and greater than the atmospheric pressure of 2 lower part of needle-valve, needle-valve 2 is transported downwards
Dynamic, until needle-valve 2 is pressed on the sealing cone inside valve body 1, spray chamber 10 is isolated with spray orifice 16, and compressed natural gas stops spray
It penetrates.
Embodiment 2
Attached drawing 2 is a kind of specific embodiment of the invention.A kind of gaseous-fuel injector of the invention, including valve body 1, fuel tank 8, gas
Rail 6 and Hydraulic Common Rail 7, the stomata 11 on the valve body 1 are connected to gas rail 6, between the needle-valve 2 in valve body 1 and intermediate 3 there are
Needle control chamber 14, needle control chamber 14 are connected to by the fuel feed hole 12 on intermediate 3 with Hydraulic Common Rail 7, and pass through two three
Port valve 17 is connected to fuel tank 8.
Further, it is equipped with sealing ring 15 between 1 inner needle valve 2 of valve body and valve body 1, pressure is effectively realized by sealing ring 15
Sealing between contracting natural gas and hydraulic oil.
Further, 1 end of valve body is equipped with spray orifice 16, there are spray chamber 10 between 1 inner needle valve 2 of valve body and spray orifice 16,
Needle-valve 2, which is located at needle control chamber 14, is equipped with needle-valve set 5, is cased with needle valve spring 4 between needle-valve set 5 and needle-valve 2.
Further, the intermediate 3 is equipped with fuel feed hole 12, and fuel feed hole 12 passes through two-position three-way valve 17 and Hydraulic Common Rail 7
It is connected to fuel tank 8.
The open and close of a kind of gaseous-fuel injector of the invention, needle-valve 2 are controlled by two-position three-way valve 17, at two
When triple valve 17 powers off, first passage 18 is connected with third channel 20, the resultant force of needle-valve 2 top hydraulic coupling and spring force, greatly
Atmospheric pressure in 2 lower part of needle-valve, needle-valve 2 are pressed on the sealing cone inside valve body 1, and spray chamber 10 is separated by with spray orifice 16
From.When two-position three-way valve 17 is powered, second channel 19 is connected with third channel 20, and needle control chamber 14 is communicated with fuel tank 8,
The pressure reduction of needle control chamber 14, hydraulic coupling suffered by 2 upper end of needle-valve reduce, and the atmospheric pressure of 2 lower end of needle-valve is greater than on needle-valve 2
When holding hydraulic coupling and the resultant force of spring force, needle-valve 2 is detached from the sealing cone inside valve body 1, moves upwards, spray chamber 10 and spray orifice
16 communicate, and compressed natural gas sprays into combustion chamber by spray orifice 16, are ignited after device lights, engine combustion acting.At two
When triple valve 17 powers off, first passage 18 is connected with third channel 20, and the access between needle control chamber 14 and fuel tank 8 is cut
Disconnected, the pressure of needle control chamber 14 increases rapidly, the resultant force of hydraulic coupling and spring force suffered by 2 upper end of needle-valve, is greater than under needle-valve 2
The atmospheric pressure in portion, needle-valve 2 move downward, until needle-valve 2 is pressed on the sealing cone inside valve body 1, spray chamber 10 and spray orifice
16 isolation, compressed natural gas stop injection.
A kind of gaseous-fuel injector of the present invention can be by the needle-valve in injector when being applied to lower pressure system
Set 5 is cancelled, as shown in Fig. 3, to reduce the cost of production and processing.
The present invention is not limited to the above-described embodiments, anyone should learn make under the inspiration of the present invention with the present invention
With same or similar technical solution, fall within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (5)
1. a kind of gaseous-fuel injector, including valve body, fuel tank, gas rail and Hydraulic Common Rail, which is characterized in that on the valve body
Stomata is connected to gas rail, and there are needle control chamber between the intracorporal needle-valve of valve and intermediate, needle control chamber passes through on intermediate
Fuel feed hole be connected to Hydraulic Common Rail, and be connected to fuel tank by communicating valve.
2. a kind of gaseous-fuel injector according to claim 1, it is characterised in that: the valve body inner needle valve and valve body it
Between be equipped with sealing ring, the sealing between compressed natural gas and hydraulic oil is effectively realized by sealing ring.
3. a kind of gaseous-fuel injector according to claim 1 or 2, it is characterised in that: the valve end is equipped with spray
Hole, there are spray chamber between valve body inner needle valve and spray orifice, needle-valve, which is located at needle control chamber, is equipped with needle-valve set, needle-valve set and needle-valve
Between be cased with needle valve spring.
4. a kind of gaseous-fuel injector according to claim 1, it is characterised in that: the intermediate is equipped with fuel feed hole
And oil outlet, fuel feed hole and oil outlet are connected to needle control chamber respectively, oil outlet is connected to by 2/2-way valve with fuel tank.
5. a kind of gaseous-fuel injector according to claim 1, it is characterised in that: the intermediate is equipped with oil inlet
Hole, fuel feed hole are connected to by two-position three-way valve with Hydraulic Common Rail and fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332486.1A CN110118138A (en) | 2019-04-24 | 2019-04-24 | A kind of gaseous-fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332486.1A CN110118138A (en) | 2019-04-24 | 2019-04-24 | A kind of gaseous-fuel injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110118138A true CN110118138A (en) | 2019-08-13 |
Family
ID=67521317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910332486.1A Pending CN110118138A (en) | 2019-04-24 | 2019-04-24 | A kind of gaseous-fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118138A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109682A (en) * | 2021-11-02 | 2022-03-01 | 上海中船三井造船柴油机有限公司 | Multifunctional oil sprayer of marine dual-fuel host |
| CN114294138A (en) * | 2022-01-25 | 2022-04-08 | 无锡威孚高科技集团股份有限公司 | Dual-fuel injection valve |
| CN114483383A (en) * | 2022-01-28 | 2022-05-13 | 刘义亭 | Gas fuel injector |
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| CN1425107A (en) * | 2000-04-18 | 2003-06-18 | 韦斯特波特研究公司 | Gaseous and liquid fuel injector with two-way hydraulic fluid control valve |
| CN101705871A (en) * | 2009-11-20 | 2010-05-12 | 株洲南方燃气轮机成套制造安装有限公司 | Gas fuel regulating valve of combustion gas turbine |
| US20120325350A1 (en) * | 2011-06-24 | 2012-12-27 | Caterpilla Inc. | Dual fuel injector for a common rail system |
| DE102013009303A1 (en) * | 2012-06-04 | 2013-12-05 | Caterpillar Inc. | Two-fuel injector and fuel system |
| CN104612872A (en) * | 2014-12-29 | 2015-05-13 | 沪东重机有限公司 | Heavy-oil high pressure common rail fuel injection system for marine low-speed diesel engine |
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-
2019
- 2019-04-24 CN CN201910332486.1A patent/CN110118138A/en active Pending
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| CN1425107A (en) * | 2000-04-18 | 2003-06-18 | 韦斯特波特研究公司 | Gaseous and liquid fuel injector with two-way hydraulic fluid control valve |
| CN101705871A (en) * | 2009-11-20 | 2010-05-12 | 株洲南方燃气轮机成套制造安装有限公司 | Gas fuel regulating valve of combustion gas turbine |
| US20120325350A1 (en) * | 2011-06-24 | 2012-12-27 | Caterpilla Inc. | Dual fuel injector for a common rail system |
| DE102013009303A1 (en) * | 2012-06-04 | 2013-12-05 | Caterpillar Inc. | Two-fuel injector and fuel system |
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| Title |
|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109682A (en) * | 2021-11-02 | 2022-03-01 | 上海中船三井造船柴油机有限公司 | Multifunctional oil sprayer of marine dual-fuel host |
| CN114109682B (en) * | 2021-11-02 | 2024-02-02 | 上海中船三井造船柴油机有限公司 | Multifunctional fuel injector of marine dual-fuel host |
| CN114294138A (en) * | 2022-01-25 | 2022-04-08 | 无锡威孚高科技集团股份有限公司 | Dual-fuel injection valve |
| CN114483383A (en) * | 2022-01-28 | 2022-05-13 | 刘义亭 | Gas fuel injector |
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