CN107956604A - Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device - Google Patents
Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device Download PDFInfo
- Publication number
- CN107956604A CN107956604A CN201711452407.8A CN201711452407A CN107956604A CN 107956604 A CN107956604 A CN 107956604A CN 201711452407 A CN201711452407 A CN 201711452407A CN 107956604 A CN107956604 A CN 107956604A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- methane
- gas
- inlet pipe
- air
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 226
- 239000002737 fuel gas Substances 0.000 title claims abstract description 37
- 239000007789 gas Substances 0.000 title claims abstract description 24
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 230000009977 dual effect Effects 0.000 title claims abstract description 16
- 239000003345 natural gas Substances 0.000 claims abstract description 52
- 239000007924 injection Substances 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims abstract description 33
- 238000010348 incorporation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- F02M21/0209—Hydrocarbon fuels, e.g. methane or acetylene
-
- 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
-
- 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
-
- 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
- F02M21/0281—Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
-
- 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
- F02M21/04—Gas-air mixing apparatus
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10019—Means upstream of the fuel injection system, carburettor or plenum chamber
-
- 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)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
A kind of gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, including housing, fuel gas injection electromagnetic valve and methane air inlet pipe；The housing is equipped with natural gas air inlet, air inlet, cylinder head interface and spaced walls, wherein, the inner cavity of housing is divided into free-air diffuser and methane air intake duct by spaced walls, free-air diffuser connects air inlet and cylinder head interface, fuel gas injection electromagnetic valve is hermetically installed on the outer wall of housing and gos deep into methane air intake duct, the fuel gas injection electromagnetic valve side connects natural gas air inlet, opposite side connects methane air intake duct, methane air inlet pipe connects methane air intake duct through spaced walls and one end, the other end connects free-air diffuser, stretch on the tube wall of the part of free-air diffuser and offer two rectangular channels；Natural gas shifts to an earlier date the incorporation time of natural gas and inlet air along the opening direction of rectangular channel towards both sides loss in injection.The present invention is suitable for all kinds of gas/dual fuel engines, can improve natural gas and air mixing quality, reduces methane residual volume, optimizes the combustion process of engine.
Description
Technical field
The present invention relates to a kind of fuel gas ejecting device of engine, and in particular to a kind of gas/dual fuel engine one
Formula methane air inlet pipe fuel gas ejecting device, belongs to technical field of engines.
Background technology
In recent years, with the getting worse of chemical petroleum fuel energy crisis, engine emission regulation is more and more tight, naturally
Gas engine occurs gradually over everybody visual field, is favored be subject to vast ship user.Natural gas have calorific value height, large storage capacity, clearly
The characteristics of clean burning, can be divided into pure gas engine and dual fuel engine according to its combustion system.At present for natural gas
Supply, gas injector outside by the way of low-pressure fuel injection, is installed on inlet manifold or inlet manifold using cylinder mostly in the industry,
Injection to natural gas under different operating modes is controlled.But inlet manifold's spray regime can not carry out anti-with regard to operating mode change in time
Feedback, be easy to cause pollutant emission height, and thermic load is big；And although manifold injection mode can be individually to each natural gas injection
Valve is controlled, but since inlet manifold is nearer away from inlet valve, the time that natural gas is mixed with air is shorter, can cause mixing not
Uniformly, and natural gas density is smaller than air, is unfavorable for the diffusion of natural gas, so that easily generation intake uniformity is bad, cylinder
The problems such as interior concentration distribution is uneven, and burning deteriorates.
The content of the invention
The problem of cannot being sufficiently mixed the purpose of the present invention is to solve natural gas in course of injection with air, there is provided
A kind of gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, extends the incorporation time of natural gas and air,
Improve the mixing quality of natural gas and air, reduce the methane residual volume in air intake duct, optimize the combustion process of engine.
The present invention adopts the following technical scheme that realization：
A kind of gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, it includes housing, fuel gas injection
Solenoid valve and methane air inlet pipe；The housing upper is equipped with the natural gas air inlet being connected with natural gas supply pipeline, and lower part is equipped with
The air inlet being connected with inlet manifold, sidepiece is equipped with the cylinder head interface being connected with cylinder, between being provided with the housing
The inner cavity of the housing is divided into free-air diffuser and methane air intake duct, the free-air diffuser connection by next door, the spaced walls
The air inlet and cylinder head interface, the fuel gas injection electromagnetic valve is hermetically installed on the outer wall of the housing and depth
Enter the methane air intake duct, which connects the natural gas air inlet, and opposite side connects the methane
Air intake duct, the methane air inlet pipe sealingly extend through the spaced walls and stretch into the free-air diffuser, the methane air inlet pipe one
End connects the methane air intake duct, and the other end connects the free-air diffuser, stretches into the tube wall of the part of the free-air diffuser
On offer two rectangular channels for extending to the methane air inlet pipe end；
Natural gas in course of injection along described two rectangular channels opening direction towards both sides loss, while air inlet
By the notch of two rectangular channels with natural gas momentum-exchange occurs for air-flow so that the incorporation time of natural gas and inlet air
In advance, to improve the mixability of natural gas and air.
Further, two rectangular channels are symmetric and two rectangular channels along methane air inlet pipe center line
Plane where center line is vertical plane.
Further, the angle of the methane air inlet pipe and horizontal plane is 35 °.
Further, pilot hole is offered on the housing, the fuel gas injection electromagnetic valve is fixed in the pilot hole,
And the fuel gas injection electromagnetic valve on the contact surface of the housing with being provided with sealing ring.
Further, the cylinder head interface and contact surface of cylinder head, the air inlet and inlet manifold
Contact surface and the natural gas air inlet on the contact surface of natural gas supply pipeline with being both provided with sealing ring.
Further, through hole is offered in the spaced walls, is matched somebody with somebody between the methane air inlet pipe and the through hole by interference
The methane air inlet pipe is fixed in the spaced walls by conjunction.
Further, the identical venthole of some diameters is distributed with the fuel gas injection electromagnetic valve.
Compared with prior art, the beneficial effects of the invention are as follows：
The integral type methane air inlet pipe fuel gas ejecting device causes natural gas can be along opening direction in course of injection
Towards both sides loss, while by notch and natural gas momentum-exchange can occur for charge air flow so that it is empty with air inlet to spray into natural gas
The incorporation time of gas shifts to an earlier date, and improves natural gas and air mixability.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the structure sectional view of the present invention.
Fig. 3 is the structure diagram of the methane air inlet pipe of the present invention.
In figure：
1-housing, 2-fuel gas injection electromagnetic valve, 3-methane air inlet pipe, 4-natural gas air inlet, 5-cylinder head connect
Mouthful, 6-air inlet, 11-spaced walls, 12-free-air diffuser, 13-methane air intake duct, 31-rectangular channel.
Embodiment
The invention will be further elaborated with reference to the accompanying drawings and examples, but the guarantor of the present invention cannot be limited with this
Protect scope.
With reference to Fig. 1~2, it is illustrated that gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device includes housing
1st, fuel gas injection electromagnetic valve 2 and methane air inlet pipe 3.
1 top of housing is equipped with the natural gas air inlet 4 being connected with natural gas supply pipeline, and lower part is equipped with and air inlet discrimination
The air inlet 6 of pipe connection, sidepiece are equipped with the cylinder head interface 5 being connected with cylinder, the cylinder head interface 5 and cylinder head
Contact surface, the contact surface and the natural gas air inlet 4 and natural gas supply pipe of the air inlet 6 and inlet manifold
Sealing ring is both provided with the contact surface on road, prevents gas leakage.
Spaced walls 11 are provided with the housing 1, which is divided into free-air diffuser by the inner cavity of the housing 1
12 and methane air intake duct 13.The free-air diffuser 12 connects the air inlet 6 and cylinder head interface 5.
Pilot hole is offered on the outer wall of the housing 1, the fuel gas injection electromagnetic valve 2 is secured by bolts in the dress
In distribution, and the fuel gas injection electromagnetic valve 2 on the contact surface of the housing 1 with being provided with sealing ring.The fuel gas injection
The methane air intake duct 13 is goed deep into the front end of solenoid valve 2；The identical outlet of some diameters is distributed with the fuel gas injection electromagnetic valve 2
Hole, side connect the natural gas air inlet 4, and opposite side connects the methane air intake duct 13.
Through hole is offered in the spaced walls 11, interference fit is formed between the methane air inlet pipe 3 and the through hole, so that
The methane air inlet pipe 3 is fixed in the spaced walls 11.The methane air inlet pipe 3 sealingly extends through the interval of the housing 1
Wall 11, and the free-air diffuser 12 is stretched into, which connects the methane air intake duct 13, and the other end connects
Lead to the free-air diffuser 12；The methane air inlet pipe 3 and the angle of horizontal plane are 35 °, the folder with air intake duct axis direction
Angle is 4 °.The methane air inlet pipe 3, which is stretched on the tube wall of the part of the free-air diffuser 12, offers two rectangular channels 31, ginseng
See Fig. 3, which extends to the end of the methane air inlet pipe 3, and described two rectangular channels 31 are along methane air inlet
The center line of pipe 3 is symmetric, and plane where the center line of two rectangular channels 31 is vertical plane.
With reference to Fig. 2, natural gas is sprayed into by top natural gas air inlet 4, by fuel gas injection electromagnetic valve 2, then to methane into
Tracheae 3, air are entered by lower air air inlet 6, through free-air diffuser in fuel gas ejecting device 12, are mixed with the natural gas of penetrating
Close, connecting cylinder head by cylinder head interface 5 enters in cylinder.In course of injection, natural gas is along described two rectangular channels
31 opening direction is towards both sides loss, while air inlet air-flow occurs to move by the notch of two rectangular channels 31 with natural gas
Amount exchanges so that the incorporation time of natural gas and inlet air shifts to an earlier date, and improves the mixability of natural gas and air.
The present invention can extend natural gas and air mixture time, improve natural gas and air mixing quality, reduce air intake duct
Middle methane residual volume, optimizes the combustion process of engine.
The protection domain of application claims is not limited only to above-described embodiment, to those skilled in the art,
In the case of not departing from the principle of the present invention and spirit, made any modification, equivalent substitution, obvious modification and change
Into being within the scope of protection of the invention.
Claims (7)
- A kind of 1. gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, it is characterised in that：The gas injection Injection device includes housing, fuel gas injection electromagnetic valve and methane air inlet pipe；The housing upper is equipped with and is connected with natural gas supply pipeline Natural gas air inlet, lower part is equipped with the air inlet that be connected with inlet manifold, and sidepiece is equipped with the cylinder head being connected with cylinder Interface, is provided with spaced walls in the housing, the spaced walls by the inner cavity of the housing be divided into free-air diffuser and methane into Air flue, the free-air diffuser, which connects the air inlet and cylinder head interface, the fuel gas injection electromagnetic valve, hermetically pacifies On outer wall loaded on the housing and go deep into the methane air intake duct, the fuel gas injection electromagnetic valve side connect the natural gas into Gas port, opposite side connect the methane air intake duct, and the methane air inlet pipe sealingly extends through the spaced walls and stretches into the sky Gas air intake duct, the methane air inlet pipe one end connect the methane air intake duct, and the other end connects the free-air diffuser, stretch into described Two rectangular channels for extending to the methane air inlet pipe end are offered on the tube wall of the part of free-air diffuser；Natural gas in course of injection along described two rectangular channels opening direction towards both sides loss, while air inlet air-flow Momentum-exchange is occurred by the notch and natural gas of two rectangular channels so that the incorporation time of natural gas and inlet air carries Before, to improve the mixability of natural gas and air.
- 2. gas according to claim 1/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, its feature It is：Two rectangular channels are symmetric along methane air inlet pipe center line and are put down where the center line of two rectangular channels Face is vertical plane.
- 3. gas according to claim 1/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, its feature It is：The methane air inlet pipe and the angle of horizontal plane are 35 °.
- 4. gas according to claim 1/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, its feature It is：Pilot hole is offered on the housing, the fuel gas injection electromagnetic valve is fixed in the pilot hole, and the gas injection Radio magnet valve on the contact surface of the housing with being provided with sealing ring.
- 5. gas according to claim 1/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, its feature It is：The cylinder head interface and contact surface of cylinder head, the contact surface of the air inlet and inlet manifold and institute Natural gas air inlet is stated with being both provided with sealing ring on the contact surface of natural gas supply pipeline.
- 6. gas according to claim 1/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, its feature It is：Through hole is offered in the spaced walls, between the methane air inlet pipe and the through hole by interference fit by the methane into Tracheae is fixed in the spaced walls.
- 7. gas according to claim 1/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device, its feature It is：The identical venthole of some diameters is distributed with the fuel gas injection electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711452407.8A CN107956604A (en) | 2017-12-28 | 2017-12-28 | Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711452407.8A CN107956604A (en) | 2017-12-28 | 2017-12-28 | Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107956604A true CN107956604A (en) | 2018-04-24 |
Family
ID=61956520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711452407.8A Pending CN107956604A (en) | 2017-12-28 | 2017-12-28 | Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956604A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268923A (en) * | 1996-04-01 | 1997-10-14 | Mitsubishi Motors Corp | Fuel supplying device of gas engine |
| US20020148451A1 (en) * | 2001-04-13 | 2002-10-17 | Takayuki Yamamoto | Gas injection device of gas engine |
| CN203463202U (en) * | 2010-12-06 | 2014-03-05 | 斗山英维高株式会社 | Engine mixing device of exhaust gas recirculation gas and inlet gas |
| CN104564431A (en) * | 2015-01-30 | 2015-04-29 | 重庆科克发动机技术有限公司 | Gas mixer of double-fuel engine |
| CN105179111A (en) * | 2015-09-09 | 2015-12-23 | 哈尔滨工程大学 | Gas/dual-fuel engine intake manifold gas injection device |
| CN107061061A (en) * | 2017-06-28 | 2017-08-18 | 哈尔滨工程大学 | A kind of integrated form of mixed admission intersects annular groove gaseous fuel jet mixing device |
| CN207761828U (en) * | 2017-12-28 | 2018-08-24 | 中船动力研究院有限公司 | Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device |
-
2017
- 2017-12-28 CN CN201711452407.8A patent/CN107956604A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268923A (en) * | 1996-04-01 | 1997-10-14 | Mitsubishi Motors Corp | Fuel supplying device of gas engine |
| US20020148451A1 (en) * | 2001-04-13 | 2002-10-17 | Takayuki Yamamoto | Gas injection device of gas engine |
| CN203463202U (en) * | 2010-12-06 | 2014-03-05 | 斗山英维高株式会社 | Engine mixing device of exhaust gas recirculation gas and inlet gas |
| CN104564431A (en) * | 2015-01-30 | 2015-04-29 | 重庆科克发动机技术有限公司 | Gas mixer of double-fuel engine |
| CN105179111A (en) * | 2015-09-09 | 2015-12-23 | 哈尔滨工程大学 | Gas/dual-fuel engine intake manifold gas injection device |
| CN107061061A (en) * | 2017-06-28 | 2017-08-18 | 哈尔滨工程大学 | A kind of integrated form of mixed admission intersects annular groove gaseous fuel jet mixing device |
| CN207761828U (en) * | 2017-12-28 | 2018-08-24 | 中船动力研究院有限公司 | Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180424 |
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