CN107035577A - The air supply system of gas engine peculiar to vessel - Google Patents
The air supply system of gas engine peculiar to vessel Download PDFInfo
- Publication number
- CN107035577A CN107035577A CN201710408958.8A CN201710408958A CN107035577A CN 107035577 A CN107035577 A CN 107035577A CN 201710408958 A CN201710408958 A CN 201710408958A CN 107035577 A CN107035577 A CN 107035577A
- Authority
- CN
- China
- Prior art keywords
- adapter
- blender
- air
- paragraph
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
-
- 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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0614—Actual fuel mass or fuel injection amount
-
- 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)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a kind of air supply system of gas engine peculiar to vessel, including:Air cleaner, it is arranged on support;Blender, its one end is connected by cleaner adapter with air cleaner, and the other end of blender is connected with booster, and booster is connected with charge air cooler, is provided with the side wall of blender in gas inlet pipe, gas inlet pipe and is connected to injection metering valve;And inlet manifold, it is connected by air inlet tube with charge air cooler, and air inlet tube includes:Explosion-proof valve is provided with the outside of first bend pipe, its curved wall;First paragraph is taken over, and air inlet spark arrester is connected between first paragraph adapter and the first bend pipe;And second segment adapter, second segment is taken over and first paragraph adapter is parallel with inlet manifold, and electronic throttle is connected between first paragraph adapter and second segment adapter, and second segment adapter is connected by the second bend pipe with charge air cooler.The system can provide fuel using combustion gas for marine engine.
Description
Technical field
The present invention relates to marine engine field, more particularly to a kind of air supply system of gas engine peculiar to vessel.
Background technology
Existing marine engine uses diesel engine, and marine diesel includes fuel injection system and the igniting of diesel engine
System.Fuel injection system includes oil pump and fuel injector, and oil pump is arranged on body, and fuel injector is arranged on the fuel injector on cylinder cap
In hole.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of air supply system of gas engine peculiar to vessel, it is possible to use combustion gas is hair peculiar to vessel
Motivation provides fuel.
To achieve the above object, the invention provides a kind of air supply system of gas engine peculiar to vessel, including:Air-filtering
Device, it is arranged on support;Blender, its one end is connected by cleaner adapter with air cleaner, the other end of blender
It is connected with booster, booster is connected with charge air cooler, is provided with gas inlet pipe, gas inlet pipe and connects on the side wall of blender
There is injection metering valve;And inlet manifold, it is connected by air inlet tube with charge air cooler, and air inlet tube includes:First bend pipe, its
It is connected with inlet manifold, explosion-proof valve is provided with the outside of the curved wall of the first bend pipe;First paragraph is taken over, and the first paragraph is taken over and first is curved
Pipe is connected, and air inlet spark arrester is connected between first paragraph adapter and the first bend pipe;And second segment adapter, second segment adapter and the
One section of adapter connection, second segment adapter and first paragraph adapter are parallel with inlet manifold, between first paragraph adapter and second segment adapter
Electronic throttle is connected to, second segment adapter is connected by the second bend pipe with charge air cooler.
Preferably, cleaner adapter and the connection end of blender are provided with the first mounting flange, the other end of blender with
Booster is connected by connector, and connector includes the second mounting flange and be welded on the second mounting flange to be used for and increasing
The adapter of depressor connection, the first mounting flange and the second mounting flange are docked at the two ends of blender by studs,
The end face at the two ends of blender is provided with sealing ring between the card of the first mounting flange and the second mounting flange respectively.
Preferably, the side wall of gas inlet pipe and blender is connected by flange.
Preferably, injection metering valve is connected with gas inlet pipe by flange.
Preferably, injection metering valve and electronic throttle are controlled by the electronic control unit ECU of engine.
Compared with prior art, the present invention has the advantages that:Sprayed by the fuel oil for cancelling existing diesel engine
The related parts of system, by setting fuel gas injection metering valve, blender, electronic throttle related components, are being eliminated
After original fuel injector, make the oil injector hole on former cylinder cap into spark-plug hole and the purpose of the present invention can be achieved, and pass through
The air inflow of Electronic Throttle Control engine mixed gas and then the size for controlling engine output loading, by spraying metering valve
Combustion gas input quantity is controlled, engine is reached reasonable air-fuel ratio, promotes burning, engine efficiency is improved, blender, which is arranged on, to be increased
It can ensure that combustion gas and fresh air are mixed before depressor, form homogeneous mixture.
Brief description of the drawings
Fig. 1 is the schematic diagram of the air supply system of the gas engine peculiar to vessel according to the present invention;
Fig. 2 is part-structure schematic diagram in the air supply system according to the gas engine peculiar to vessel of the present invention;
Fig. 3 is the structural representation of air inlet assembly in the air supply system according to the gas engine peculiar to vessel of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in Figure 1 to Figure 3, according to a kind of air supply system of gas engine peculiar to vessel of the specific embodiment of the invention,
Including air cleaner 101, blender 102, inlet manifold 106 and booster 103, the charge air cooler being connected with blender 102
104th, metering valve 109 is sprayed.Specifically, air cleaner 101 is arranged on support 5, and one end of blender 102 passes through cleaner
Adapter 3 is connected with air cleaner 101, and the other end of blender 102 is connected with booster 103, booster 103 and charge air cooler
It is provided with 104 connections, the side wall of blender 102 in gas inlet pipe, the present embodiment, gas inlet pipe includes combustion gas adapter 1
With connecting tube 4, connecting tube 4 can be fixed on support 5 by U bolt 6, and injection is connected between combustion gas adapter 1 and connecting tube 4
Metering valve 3, connecting tube 4 is connected metering valve 3 is sprayed with the side wall of blender 102, and inlet manifold 106 is by air inlet tube with
Cooler 104 is connected.In the present embodiment, air inlet tube includes the first bend pipe 12, first paragraph adapter 20 and second segment adapter 25, its
In the first bend pipe 12 be connected with inlet manifold 106, explosion-proof valve 14, first paragraph adapter are provided with the outside of the curved wall of the first bend pipe 12
20 are connected with the first bend pipe 12, and air inlet spark arrester 19 is connected between the bend pipe 12 of first paragraph adapter 20 and first, second segment adapter
25 are connected with first paragraph adapter 20, and second segment adapter 25 and first paragraph adapter 20 are parallel with inlet manifold 106, it is preferred that entering
The upside of gas manifold 106 is fixed with support frame 22 and is used for supporting second segment adapter 25 and first paragraph adapter 20, first paragraph adapter 20
Electronic throttle 105 is connected between second segment adapter 25, second segment adapter 25 is connected by the second bend pipe 23 and charge air cooler 104
Connect.
In such scheme, the effect of electronic throttle 105 is to control engine mixed gas to enter entering for engine cylinder-body 107
Tolerance and then the size for controlling engine output loading, injection metering valve can control combustion gas input quantity by gas valve, make hair
Motivation reaches reasonable air-fuel ratio, promotes burning, improves engine efficiency, and blender is arranged on before booster, and it is to ensure that it, which is acted on,
Combustion gas and fresh air are mixed, and form homogeneous mixture.
As a kind of preferred embodiment, cleaner adapter 3 and the connection end of blender 103 are provided with the first mounting flange 7,
The other end of blender 103 is connected with booster by connector, and connector includes the second mounting flange 8 and is welded on second
It is used for the adapter 9 being connected with booster on mounting flange 8, the first mounting flange 7 and the second mounting flange 8 pass through double end
Stud is docked at the two ends of blender 103, and the end face at the two ends of blender 103 connects with the first mounting flange 7 and second respectively
Sealing ring is provided between the card of acting flange disk 8.
As a kind of preferred embodiment, gas inlet pipe is connected with the side wall of blender 103 by flange, and flange passes through spiral shell
Bolt is fixedly connected, and blender pad is provided between flange.
As a kind of preferred embodiment, injection metering valve 3 is connected with gas inlet pipe by flange, in this programme, combustion gas
Air inlet pipe includes combustion gas adapter 1 and connecting tube 4, connection injection metering valve 3, the He of connecting tube 4 between combustion gas adapter 1 and connecting tube 4
Metering valve gasket 2 is equipped between combustion gas adapter 1 and the ring flange for spraying metering valve 3.
As a kind of preferred embodiment, the electronic control unit of metering valve 3 and electronic throttle 105 by engine is sprayed
ECU is controlled, in this programme, carries out the control of air inflow by ECU according to the operating mode of engine, combustion gas in blender with from air
The air that cleaner is come in enters the electronic throttle controlled through ECU after being mixed after charger boost, charge air cooler cooling
Into in engine cylinder, burnt through spark ignitor, the time of ignition of spark plug is by ECU controls, and electronic throttle 105 is controlled
The amount for the gaseous mixture that system enters in cylinder, so as to control the rotating speed and load of engine, driver is passed power demand by throttle
ECU is given, ECU is received after accelerator pedal signal, electronic throttle aperture is controlled according to engine operation condition, pass through control
Butterfly valve opening, control idling speed and speed regulation characteristic.The oxygen concentration of tail gas after the burning of lambda sensor immediately monitoring, is calculated
Go out air-fuel ratio, ECU corrects fuel gas supply amount in time according to the feedback signal of lambda sensor.
To sum up, the air supply system of the gas engine peculiar to vessel of the present embodiment, is sprayed by the fuel oil for cancelling existing diesel engine
The related parts of system are penetrated, by setting fuel gas injection metering valve, blender, electronic throttle related components, are being cancelled
After original fuel injector, by oil injector hole on former cylinder cap make into spark-plug hole can be achieved the purpose of the present invention (in Fig. 1,
Ignition system 108 includes spark plug), and started by the air inflow and then control of Electronic Throttle Control engine mixed gas
The size of machine output loading, controls combustion gas input quantity by spraying metering valve, engine is reached reasonable air-fuel ratio, promote combustion
Burn, improve engine efficiency, blender can ensure that combustion gas and fresh air are uniformly mixed before being arranged on booster, form uniform
Gaseous mixture.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of air supply system of gas engine peculiar to vessel, it is characterised in that including:
Air cleaner, it is arranged on support;
Blender, its one end is connected by cleaner adapter with the air cleaner, the other end of the blender and supercharging
Device is connected, and the booster is connected with charge air cooler, and gas inlet pipe, the gas inlet are provided with the side wall of the blender
Injection metering valve is connected in pipe;And
Inlet manifold, it is connected by air inlet tube with the charge air cooler, and the air inlet tube includes:
First bend pipe, it is connected with the inlet manifold, and explosion-proof valve is provided with the outside of the curved wall of first bend pipe;
First paragraph is taken over, and the first paragraph adapter be connected with first bend pipe, the first paragraph take over and first bend pipe it
Between be connected to air inlet spark arrester;And
Second segment is taken over, and second segment adapter is connected with first paragraph adapter, and the second segment adapter and the first paragraph connect
Pipe is parallel with the inlet manifold, and first paragraph adapter and the second segment are connected to electronic throttle between taking over, and described the
Two sections of adapters are connected by the second bend pipe with the charge air cooler.
2. the air supply system of gas engine peculiar to vessel according to claim 1, it is characterised in that the cleaner adapter with
The connection end of the blender is provided with the first mounting flange, and the other end of the blender passes through connector with the booster
Connection, the connector includes the second mounting flange and is welded on second mounting flange to be used for and the booster
The adapter of connection, first mounting flange and second mounting flange are docked at the blender by studs
Two ends, the end face at the two ends of the blender respectively with first mounting flange and the disk of second mounting flange
Sealing ring is provided between face.
3. the air supply system of gas engine peculiar to vessel according to claim 2, it is characterised in that the gas inlet pipe with
The side wall of the blender is connected by flange.
4. the air supply system of gas engine peculiar to vessel according to claim 1, it is characterised in that the injection metering valve with
The gas inlet pipe is connected by flange.
5. the air supply system of gas engine peculiar to vessel according to claim 1, it is characterised in that the injection metering valve and
The electronic throttle is controlled by the electronic control unit ECU of engine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710408958.8A CN107035577B (en) | 2017-06-02 | 2017-06-02 | The air supply system of gas engine peculiar to vessel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710408958.8A CN107035577B (en) | 2017-06-02 | 2017-06-02 | The air supply system of gas engine peculiar to vessel |
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CN107035577A true CN107035577A (en) | 2017-08-11 |
CN107035577B CN107035577B (en) | 2018-05-11 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107559104A (en) * | 2017-09-13 | 2018-01-09 | 第拖拉机股份有限公司 | A kind of air inlet tube device of natural gas engine |
CN107806375A (en) * | 2017-10-25 | 2018-03-16 | 四川中车玉柴发动机股份有限公司 | A kind of gas engine pressure charging system and gas engine |
CN109763917A (en) * | 2019-03-19 | 2019-05-17 | 重庆喜恩动力机械有限公司 | A kind of energy-saving diesel engine |
CN109908747A (en) * | 2019-02-18 | 2019-06-21 | 中国舰船研究设计中心 | A kind of wall-attachment integration filter ventilation device |
Citations (8)
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JPS61185669A (en) * | 1985-02-09 | 1986-08-19 | Yamaha Motor Co Ltd | Mixture supply device of gas engine |
JP2000027710A (en) * | 1998-07-08 | 2000-01-25 | Yanmar Diesel Engine Co Ltd | Excess air ratio control device for internal combustion engine |
CN103061883A (en) * | 2013-01-19 | 2013-04-24 | 昆山允可精密工业技术有限公司 | Anti-explosion valve for engines |
CN103437916A (en) * | 2013-08-30 | 2013-12-11 | 东风商用车有限公司 | Anti-backfire safety valve of engine |
CN203769978U (en) * | 2014-04-02 | 2014-08-13 | 广西玉柴机器股份有限公司 | Gas engine gas supply pipe |
CN104500278A (en) * | 2014-12-20 | 2015-04-08 | 玉柴联合动力股份有限公司 | Explosion-proof mixer for natural gas engine |
CN105909396A (en) * | 2016-06-23 | 2016-08-31 | 襄阳美标朗源动力实业有限公司 | Energy-saving gas engine |
CN206206016U (en) * | 2016-11-21 | 2017-05-31 | 潍柴西港新能源动力有限公司 | Gas metering valve and blender integral structure |
-
2017
- 2017-06-02 CN CN201710408958.8A patent/CN107035577B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61185669A (en) * | 1985-02-09 | 1986-08-19 | Yamaha Motor Co Ltd | Mixture supply device of gas engine |
JP2000027710A (en) * | 1998-07-08 | 2000-01-25 | Yanmar Diesel Engine Co Ltd | Excess air ratio control device for internal combustion engine |
CN103061883A (en) * | 2013-01-19 | 2013-04-24 | 昆山允可精密工业技术有限公司 | Anti-explosion valve for engines |
CN103437916A (en) * | 2013-08-30 | 2013-12-11 | 东风商用车有限公司 | Anti-backfire safety valve of engine |
CN203769978U (en) * | 2014-04-02 | 2014-08-13 | 广西玉柴机器股份有限公司 | Gas engine gas supply pipe |
CN104500278A (en) * | 2014-12-20 | 2015-04-08 | 玉柴联合动力股份有限公司 | Explosion-proof mixer for natural gas engine |
CN105909396A (en) * | 2016-06-23 | 2016-08-31 | 襄阳美标朗源动力实业有限公司 | Energy-saving gas engine |
CN206206016U (en) * | 2016-11-21 | 2017-05-31 | 潍柴西港新能源动力有限公司 | Gas metering valve and blender integral structure |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107559104A (en) * | 2017-09-13 | 2018-01-09 | 第拖拉机股份有限公司 | A kind of air inlet tube device of natural gas engine |
CN107806375A (en) * | 2017-10-25 | 2018-03-16 | 四川中车玉柴发动机股份有限公司 | A kind of gas engine pressure charging system and gas engine |
CN109908747A (en) * | 2019-02-18 | 2019-06-21 | 中国舰船研究设计中心 | A kind of wall-attachment integration filter ventilation device |
CN109763917A (en) * | 2019-03-19 | 2019-05-17 | 重庆喜恩动力机械有限公司 | A kind of energy-saving diesel engine |
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Effective date of registration: 20230117 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |