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 PDF

Info

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
Application number
CN201711452407.8A
Other languages
Chinese (zh)
Inventor
李磊
夏倩
曹尔明
刘腾
田新娜
吕秉琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Shipbuilding Power Engineering Institute Co Ltd
Original Assignee
China Shipbuilding Power Engineering Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Shipbuilding Power Engineering Institute Co Ltd filed Critical China Shipbuilding Power Engineering Institute Co Ltd
Priority to CN201711452407.8A priority Critical patent/CN107956604A/en
Publication of CN107956604A publication Critical patent/CN107956604A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203Apparatus 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
    • F02M21/0209Hydrocarbon fuels, e.g. methane or acetylene
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203Apparatus 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
    • F02M21/0215Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0257Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0281Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/04Gas-air mixing apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10006Air 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
    • F02M35/10019Means upstream of the fuel injection system, carburettor or plenum chamber
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use 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

Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device
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)

  1. 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. 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. 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. 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. 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. 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. 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.
CN201711452407.8A 2017-12-28 2017-12-28 Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device Pending CN107956604A (en)

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240247622A1 (en) * 2023-01-23 2024-07-25 Caterpillar Inc. Intake runner for gaseous fuel engine, system, and method

Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240247622A1 (en) * 2023-01-23 2024-07-25 Caterpillar Inc. Intake runner for gaseous fuel engine, system, and method
US12065992B2 (en) * 2023-01-23 2024-08-20 Caterpillar Inc. Intake runner for gaseous fuel engine, system, and method

Similar Documents

Publication Publication Date Title
US9702327B2 (en) System and method for introducing gas into engine cylinder
CN211623564U (en) High-pressure gas injection structure
CN210033667U (en) Marine dual-fuel engine gas rail
KR102086885B1 (en) Pipe Structure for Easily Detection Fuel Gas Leak of Dual Fuel Engine
CN115419501A (en) Engine combustion system with air inlet channel, cylinder cover and combustion chamber in cooperation
CN207761828U (en) Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device
CN107956604A (en) Gas/dual fuel engine integral type methane air inlet pipe fuel gas ejecting device
CN205908388U (en) A double -deck common rail pipe for multi -point injection
CN105179111A (en) Gas/dual-fuel engine intake manifold gas injection device
CN201714522U (en) Multistage parallel-connection type Venturi pipe air inlet system for diesel engine
CN205908390U (en) Venturi type gas blender
CN209308866U (en) A kind of new inlet manifold assembly
CN203685406U (en) Air cylinder cover of diesel engine
CN103790718B (en) A kind of double fuel peculiar to vessel/gas engine combustion gas multiple spot multi-stage jet system
CN106762236A (en) A kind of gas/intake manifold of dual-fuel engine eddy flow accelerates mixing arrangement
CN203051865U (en) Multipurpose combustion gas pressure-reducing valve
CN202746000U (en) Jet flow mixing supercharged engine
CN106979098B (en) The air inlet pipe assembly of gas engine
KR0173355B1 (en) Intake manifold unit of an internal combustion engine
CN111577494B (en) Intake manifold with waste gas inlet hole
CN210460898U (en) High-pressure gas injection control driving valve, gas injection system and engine
CN209340068U (en) A kind of high-performance air passage structure
CN207454129U (en) A kind of fuel gas injection valve mounting structure of engine
CN206175167U (en) Resonant cavity of air compressor of engine
CN215444260U (en) Throttle valve connecting pipe based on EGR, engine and vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180424

WD01 Invention patent application deemed withdrawn after publication