CN105909396A - Energy-saving gas engine - Google Patents
Energy-saving gas engine Download PDFInfo
- Publication number
- CN105909396A CN105909396A CN201610472555.5A CN201610472555A CN105909396A CN 105909396 A CN105909396 A CN 105909396A CN 201610472555 A CN201610472555 A CN 201610472555A CN 105909396 A CN105909396 A CN 105909396A
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- Prior art keywords
- pressure
- engine
- gaseous
- control unit
- oxygen concentration
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/024—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
-
- 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
- F02D41/30—Controlling fuel injection
-
- 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
-
- 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
- F02D2200/0602—Fuel pressure
-
- 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
- F02D2200/0606—Fuel temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/31—Control of the fuel pressure
-
- 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)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The invention provides an energy-saving gas engine. A pressure stabilizer, a gas pressure control valve, an electronic control unit, a temperature sensor and an oxygen concentration detecting sensor are arranged, the concentration of input air and oxygen can be controlled in real time according to exhaust port temperature data and oxygen concentration data, and therefore closed-loop control can be achieved, and more intelligent control is achieved. Sufficient combustion of gas is guaranteed, pollution caused by insufficient combustion is prevented or insufficient output power caused by excessive combustion is prevented. A phase sensor is further arranged, it can be guaranteed that ignition is conducted when a piston of the engine reaches the maximum compression point, insufficient combustion is prevented, and fuel is saved. A load detection module is further arranged, the pressure of mixed gas is adjusted in real time according to the load situation, closed-loop control is achieved, the energy-saving gas engine is more intelligent, and output power is guaranteed.
Description
Technical field
The present invention relates to gas engine, particularly relate to a kind of energy-saving gas engine.
Background technology
Gas families mainly has CNG compressed natural gas, LNG liquefied natural gas, pipe natural gas, biogas
With LPG liquefied petroleum gas.Natural gas main component is methane, possibly together with a small amount of ethane, butane, pentane,
Carbon dioxide, carbon monoxide, hydrogen sulfide etc..Biogas is debirs in uniform temperature, acid-base value and airtight
Under the conditions of Deng, a kind of fuel gas based on methane produced through microbiological anaerobic fermentation.It generally contains
Methane 45～70%, is a kind of good gaseous fuel, gasoline or diesel oil can be replaced completely to boot up and send out
Electricity.
Current gas engine, the input control for air and combustion gas is the most accurate, it is difficult to according to negative
Carry regulation air and the mixing ratio of combustion gas in real time, cause fuel gas reforming rate relatively low, for air pollution degree also
The highest.
Summary of the invention
In view of this, the present invention proposes a kind of energy real-time and precise control air and the energy-conservation combustion of combustion gas mixing ratio
Gas engine.
The technical scheme is that and be achieved in that: a kind of energy-saving gas engine, including intake valve, filter
Core device, pressure regulator, blender, air filter, turbocharger, electronic throttle, engine, disappear
Sound device and exhaust outlet, wherein, intake valve, filtering core device, pressure regulator and blender pipeline successively connects, air
Cleaner is connected with blender pipeline, blender and turbocharger, electronic throttle, engine, noise reduction
Device and exhaust outlet pipeline successively connect, turbocharger be connected with driving engine and with muffler and exhaust outlet
Pipeline connects successively, also includes voltage-stablizer, gaseous-pressure control valve, electronic control unit, temperature sensor
With oxygen concentration detect sensor, described voltage-stablizer be arranged between pressure regulator, blender and respectively with the two
Pipeline connects, wherein,
Temperature sensor, detection exhaust port temperatures data also pass to electronic control unit；
Oxygen concentration detection sensor, detection exhaust outlet oxygen concentration data also pass to electronic control unit；
Electronic control unit, controls with temperature sensor, oxygen concentration detection sensor and gaseous-pressure respectively
Valve signal connects, and detects sensor feedback according to the temperature data of temperature sensor feedback with oxygen concentration
Oxygen concentration data send Stress control instruction；
Gaseous-pressure control valve, connects blender, voltage-stablizer and electronic throttle respectively, and according to pressure control
It is defeated that system instruction regulation enters the air pressure of blender, the gaseous-pressure of voltage-stablizer output and electronic throttle
The air gone out and combustion gas mixing gas pressure.
Basis in above technical scheme, it is preferred that described combustion gas includes natural gas or biogas.
Basis in above technical scheme, it is preferred that the temperature detected when temperature sensor is higher than setting value,
And the oxygen concentration detection oxygen concentration that detects of sensor less than setting value time, electronic control unit is by combustion
Atmospheric pressure control valve and blender improve the air pressure entering blender, by gaseous-pressure control valve with steady
Depressor reduces the gaseous-pressure of voltage-stablizer output；When the temperature detected when temperature sensor is less than setting value,
And the oxygen concentration detection oxygen concentration that detects of sensor higher than setting value time, electronic control unit is by combustion
Atmospheric pressure control valve and blender are lowered into the air pressure of blender, by gaseous-pressure control valve with steady
Depressor improves the gaseous-pressure of voltage-stablizer output.
Basis in above technical scheme, it is preferred that also include the phase place being connected with electronic control unit signal
Sensor, phase detector detection engine output gear rotation phase data also pass to electronic control unit,
Electronic control unit is connected with engine signal, the Electronic Control list when engine piston reaches maximum compression point
Unit sends ignition signal to engine.
Basis in above technical scheme, it is preferred that also include the load being connected with electronic control unit signal
Detection module, described load detecting module detection engine load data also passes to electronic control unit, when
When load exceedes setting value, electronic control unit improves electronic throttle output by gaseous-pressure control valve
Air and combustion gas mixing gas pressure；When load is less than setting value, electronic control unit passes through gaseous-pressure
Control valve reduces air and the combustion gas mixing gas pressure of electronic throttle output.
Basis in above technical scheme, it is preferred that also include that charge air cooler, described charge air cooler are arranged at turbine
It is connected between booster with electronic throttle and with the two pipeline, charge air cooler regulation air and combustion gas mixing gas
Temperature.
Basis in above technical scheme, it is preferred that the rated power under described engine 50HZ is
45～176KW, can mate the power of the assembling unit is 30～160KW, and compression ratio is 10.5:1, and discharge capacity is 3.9～8.9,
100% load gas consumption 10～53m3/h。
The energy-saving gas engine of the present invention has the advantages that relative to prior art
(1) by arranging voltage-stablizer, gaseous-pressure control valve, electronic control unit, temperature sensor and oxygen
Gas concentration detection sensor, can control in real time according to exhaust port temperatures and oxygen concentration data input air and
Oxygen concentration, thus realize closed-loop control, more Based Intelligent Control, it is ensured that combustion gas is fully burnt, prevent from not filling
The pollution that divided combustion causes, or the power output that overfire causes is not enough；
(2) phase detector is set further, it is ensured that light a fire when engine piston reaches maximum compression point,
Prevent from burning insufficient, save fuel；
(3) load detecting module is set further, regulates mixture pressure according to loading condition in real time, real
Existing closed-loop control, more intelligent, it is ensured that power output.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the annexation schematic diagram of energy-saving gas engine of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into the model of present invention protection
Enclose.
With reference to Fig. 1, the energy-saving gas engine of the present invention, including intake valve 1, filtering core device 2, pressure regulator 3,
Blender 4, air filter 5, turbocharger 6, electronic throttle 7, engine 8, muffler 9 and
Exhaust outlet 10.In the present invention, described combustion gas includes natural gas or biogas.
Wherein, intake valve 1, control input and the closedown of combustion gas.Manual ball valve or magnetic valve can be used, also
Can the two comprehensive use.
Filtering core device 2, removes the granule foreign in combustion gas, prevents from blocking energy-saving gas engine pipeline and internal zero
Parts, improve service life.
Pressure regulator 3, is depressured the combustion gas supplied materials of high pressure.Intake valve 1, filtering core device 2 and pressure regulator 3 depend on
Secondary pipeline connects.
Air filter 5, removes the granule foreign in air, prevents from blocking energy-saving gas engine pipeline and interior
Portion's parts, improve service life.
Blender 4, exports after mixing air and combustion gas, controls the pressure of input air simultaneously.For reaching
To object above, blender 4 is set to three-port structure, input respectively with pressure regulator 3 and air filter 5
Pipeline connects, and output is connected with turbocharger 6 pipeline.
Electronic throttle 7, controls to enter the amount of the mixed gas of engine 8.
Engine 8,
Turbocharger 6, electronic throttle 7, engine 8, muffler 9 and exhaust outlet 10 pipeline successively are even
Connect, additionally, turbocharger 6 is in transmission connection with engine 8 and manages successively with muffler 9 and exhaust outlet 10
Road connects.
Make the part of improvement as the present invention, also include voltage-stablizer 11, gaseous-pressure control valve 12 and electronics
Control unit 13, temperature sensor 14 detect sensor 15 with oxygen concentration.
Voltage-stablizer 11, regulation is stablized combustion gas and is entered the pressure of blender, is arranged at pressure regulator 3, blender 4
Between and be connected with the two pipeline respectively.
Temperature sensor 14, detection exhaust outlet 10 temperature data also passes to electronic control unit 13；
Oxygen concentration detection sensor 15, detection exhaust outlet 10 oxygen concentration data also pass to Electronic Control list
Unit 13；
Electronic control unit 13, respectively with temperature sensor 14, oxygen concentration detection sensor 15 and combustion gas
Pressure-control valve 12 signal connects, and examines with oxygen concentration according to the temperature data of temperature sensor 14 feedback
The oxygen concentration data surveying sensor 15 feedback send Stress control instruction；
Gaseous-pressure control valve 12, connects blender 4, voltage-stablizer 11 and electronic throttle 7, and root respectively
According to Stress control instruction regulation enter the air pressure of blender 4, voltage-stablizer 11 output gaseous-pressure and
The air of electronic throttle 7 output and combustion gas mixing gas pressure.
Concrete, the temperature detected when temperature sensor 14 is higher than setting value, and oxygen concentration detection sensing
When the oxygen concentration that device 15 detects is less than setting value, electronic control unit 13 is by gaseous-pressure control valve
12 and blender 4 improve enter blender 4 air pressure, by gaseous-pressure control valve 12 and voltage-stablizer
11 gaseous-pressures reducing voltage-stablizer 11 output；When the temperature detected when temperature sensor 14 is less than setting
Value, and the oxygen concentration detection oxygen concentration that detects of sensor 15 higher than setting value time, electronic control unit
13 are lowered into the air pressure of blender 4 by gaseous-pressure control valve 12 and blender 4, pass through combustion gas
Pressure-control valve 12 and voltage-stablizer 11 improve the gaseous-pressure of voltage-stablizer 11 output.So, Electronic Control list
Unit 13 can be dense by temperature sensor 14 and the temperature data of oxygen concentration detection sensor 15 feedback and oxygen
Degrees of data, is sent signal control to gaseous-pressure control valve 12, is adjusted by gaseous-pressure control valve 12 simultaneously
Joint enters the air pressure of blender 4, the gaseous-pressure of voltage-stablizer 11 output and electronic throttle 7 and exports
Air and combustion gas mixing gas pressure, it is achieved closed-loop control.
Further, also including the phase detector 16 being connected with electronic control unit 13 signal, phase place senses
Device 16 detects engine output gear rotation phase data and passes to electronic control unit 13, Electronic Control list
Unit 13 is connected with engine 8 signal, the electronic control unit 13 when engine piston reaches maximum compression point
Ignition signal is sent to engine 8.By arranging phase detector, it is ensured that reach at engine piston
Igniting during big compression point, prevents from burning insufficient, saves fuel
Further, also include the load detecting module 17 being connected with electronic control unit 13 signal, described negative
Carry detection module 17 detect engine 8 load data and pass to electronic control unit 13, set when load exceedes
During definite value, electronic control unit 13 improves the sky of electronic throttle 7 output by gaseous-pressure control valve 12
Gas and combustion gas mixing gas pressure；When load is less than setting value, electronic control unit 13 passes through gaseous-pressure
Control valve 12 reduces air and the combustion gas mixing gas pressure of electronic throttle 7 output.Real according to loading condition
Time regulation mixture pressure, it is achieved closed-loop control, more intelligent, it is ensured that power output.
Also include that charge air cooler 18, described charge air cooler 18 are arranged between turbocharger 6 and electronic throttle 7
And be connected with the two pipeline, charge air cooler 18 regulates air and combustion gas mixing gas temperature.
The energy-saving gas engine of the present invention, the rated power under 50HZ is 45～176KW, can mate unit
Power is 30～160KW, and compression ratio is 10.5:1, and discharge capacity is 3.9～8.9,100% load gas consumption 10～53m3/h。
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within the protection domain of invention.
Claims (7)
1. an energy-saving gas engine, including intake valve (1), filtering core device (2), pressure regulator (3), mixes
Clutch (4), air filter (5), turbocharger (6), electronic throttle (7), engine (8),
Muffler (9) and exhaust outlet (10), wherein, intake valve (1), filtering core device (2), pressure regulator (3) and
Blender (4) pipeline successively connects, and air filter (5) is connected with blender (4) pipeline, blender
(4) with turbocharger (6), electronic throttle (7), engine (8), muffler (9) and exhaust
Mouth (10) pipeline successively connects, and turbocharger (6) and engine (8) are in transmission connection and and muffler
(9) connect with exhaust outlet (10) pipeline successively, it is characterised in that:
Also include that voltage-stablizer (11), gaseous-pressure control valve (12), electronic control unit (13), temperature pass
Sensor (14) and oxygen concentration detection sensor (15), described voltage-stablizer (11) be arranged at pressure regulator (3),
Between blender (4) and it is connected with the two pipeline respectively, wherein,
Temperature sensor (14), detection exhaust outlet (10) temperature data also passes to electronic control unit (13)；
Oxygen concentration detection sensor (15), detection exhaust outlet (10) oxygen concentration data also pass to electronics
Control unit (13)；
Electronic control unit (13), respectively with temperature sensor (14), oxygen concentration detection sensor (15)
Connect with gaseous-pressure control valve (12) signal, and the temperature data fed back according to temperature sensor (14)
The oxygen concentration data fed back with oxygen concentration detection sensor (15) send Stress control instruction；
Gaseous-pressure control valve (12), connects blender (4), voltage-stablizer (11) and electronic throttle respectively
(7) air pressure, voltage-stablizer (11), and according to Stress control instruction regulation entrance blender (4) are defeated
The air that the gaseous-pressure gone out and electronic throttle (7) export and combustion gas mixing gas pressure.
2. energy-saving gas engine as claimed in claim 1, it is characterised in that: described combustion gas includes natural
Gas or biogas.
3. energy-saving gas engine as claimed in claim 1, it is characterised in that: when temperature sensor (14)
The temperature detected is higher than setting value, and the oxygen concentration that oxygen concentration detection sensor (15) detects is low
When setting value, electronic control unit (13) is carried by gaseous-pressure control valve (12) and blender (4)
The high air pressure entering blender (4), is dropped by gaseous-pressure control valve (12) and voltage-stablizer (11)
The gaseous-pressure that low voltage-stablizer (11) exports；When the temperature detected when temperature sensor (14) is less than setting
Definite value, and oxygen concentration detection sensor (15) oxygen concentration that detects higher than setting value time, electronics control
Unit processed (13) is lowered into blender (4) by gaseous-pressure control valve (12) and blender (4)
Air pressure, improve voltage-stablizer (11) by gaseous-pressure control valve (12) and voltage-stablizer (11) defeated
The gaseous-pressure gone out.
4. energy-saving gas engine as claimed in claim 1, it is characterised in that: also include and Electronic Control
The phase detector (16) that unit (13) signal connects, phase detector (16) detection engine output gear
Wheel rotates phase data and passes to electronic control unit (13), electronic control unit (13) and engine (8)
Signal connects, and when engine piston reaches maximum compression point, electronic control unit (13) is to engine (8)
Send ignition signal.
5. energy-saving gas engine as claimed in claim 1, it is characterised in that: also include and Electronic Control
The load detecting module (17) that unit (13) signal connects, the detection of described load detecting module (17) is started
Machine (8) load data also passes to electronic control unit (13), when load exceedes setting value, electronics control
Unit processed (13) improves, by gaseous-pressure control valve (12), air and the combustion that electronic throttle (7) exports
Oxygen mixture pressure；When load is less than setting value, electronic control unit (13) passes through gaseous-pressure control
Valve processed (12) reduces air and the combustion gas mixing gas pressure that electronic throttle (7) exports.
6. energy-saving gas engine as claimed in claim 1, it is characterised in that: also include charge air cooler (18),
Described charge air cooler (18) is arranged between turbocharger (6) and electronic throttle (7) and manages with the two
Road connects, charge air cooler (18) regulation air and combustion gas mixing gas temperature.
7. energy-saving gas engine as claimed in claim 1, it is characterised in that: described engine (8) 50HZ
Under rated power be 45～176KW, can mate the power of the assembling unit is 30～160KW, and compression ratio is 10.5:1,
Discharge capacity is 3.9～8.9,100% load gas consumption 10～53m3/h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472555.5A CN105909396A (en) | 2016-06-23 | 2016-06-23 | Energy-saving gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472555.5A CN105909396A (en) | 2016-06-23 | 2016-06-23 | Energy-saving gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105909396A true CN105909396A (en) | 2016-08-31 |
Family
ID=56759372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610472555.5A Pending CN105909396A (en) | 2016-06-23 | 2016-06-23 | Energy-saving gas engine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988932A (en) * | 2017-06-02 | 2017-07-28 | 广西玉柴机器股份有限公司 | The gas supply system of CNG natural gas engines |
| CN107035577A (en) * | 2017-06-02 | 2017-08-11 | 广西玉柴机器股份有限公司 | The air supply system of gas engine peculiar to vessel |
| CN107061054A (en) * | 2017-06-02 | 2017-08-18 | 广西玉柴机器股份有限公司 | The gas supply device of gas engine |
| CN107061074A (en) * | 2017-06-02 | 2017-08-18 | 广西玉柴机器股份有限公司 | The gas handling system of CNG natural gas engines |
| CN109057955A (en) * | 2018-07-28 | 2018-12-21 | 襄阳美标朗源动力实业有限公司 | Non- automobile-used methane power generating system |
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| CN109057955A (en) * | 2018-07-28 | 2018-12-21 | 襄阳美标朗源动力实业有限公司 | Non- automobile-used methane power generating system |
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Application publication date: 20160831 |