CN209671096U - A kind of internal-combustion engine system of compression-ignited double fuel - Google Patents
A kind of internal-combustion engine system of compression-ignited double fuel Download PDFInfo
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- CN209671096U CN209671096U CN201920205538.4U CN201920205538U CN209671096U CN 209671096 U CN209671096 U CN 209671096U CN 201920205538 U CN201920205538 U CN 201920205538U CN 209671096 U CN209671096 U CN 209671096U
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- 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
Abstract
The utility model belongs to compression ignition engine technical field, and in particular to a kind of internal-combustion engine system of compression-ignited double fuel.The internal-combustion engine system of the compression-ignited double fuel, including internal combustion engine assembly, the internal combustion engine assembly is connected with high-pressure diesel transport subsystem, compressed fuel gas transport subsystem, pressure release gas collection processing subsystem, double fuel high-pressure injection subsystem and post-processing subsystem, double fuel high-pressure injection subsystem includes that dual fuel injector and combustion chamber are constituted, post-processing subsystem includes EGR module, SCR module and DPF module, high-pressure diesel transport subsystem, compressed fuel gas transport subsystem, pressure release gas collection processing subsystem, double fuel high-pressure injection subsystem and post-processing subsystem pass through ECU and are controlled.The beneficial effect is that: processing application can be collected to the gaseous fuel of low-pressure channel, avoided directly arranging into atmosphere, polluted and endanger with other, improve the utilization rate of gaseous fuel.
Description
Technical field
The utility model belongs to compression ignition engine technical field, and in particular to a kind of internal combustion engine system of compression-ignited double fuel
System.
Background technique
Currently marketed medium-weight vehicle mainly uses diesel oil as fuel, this kind of burning efficiency of internal combustion engine is substantially low
High pressure direct injection natural gas in cylinder technology (i.e. high-pressure common rail in 39%, with the publication of six discharge standard of state, using diesel oil as single-fuel
System) matching cost and technical difficulty gradually increase, while the growth in cost is also brought, with the tune of national energy structure
It is whole, and the promotion to emission request, it is traditional to be gradually decreased using gasoline and diesel oil as the internal combustion engine of combustion medium.Natural gas
It is abundant in china natural resources, gradually start to be applied to automobile market as the alternative fuel of diesel oil.The natural big portion of gas internal combustion engine at present
It is divided into gas-duct jetting, is lighted by spark plug, efficiency of combustion is lower than 39%, and discharges to be difficult to meet and gradually be promoted
Emission request.
It is current in the market, there are no mature, the in-cylinder direct-jet bifuel system internal combustion engine of mass production, big portions
Product is divided still to be in sample and verification experimental verification stage.In the internal combustion engine product of in-cylinder direct-jet bifuel system currently on the market
In, there are compressed natural gas pressure oscillation is big, structure is complicated for key components and parts, and processing cost is high, can not mass production the problem of.And
Current bifuel system internal combustion engine exists when adjusting the pressure of compressed fuel gas, directly fires the gas of pressure release passage
Material arranges the problem of Xiang great Qi or surrounding enviroment.It at present in the world, can only be direct there are no the effective ways of processing pressure release gas
It is discharged into air.Discharges gas fuel will cause air pollution into air, if largely gathered in a small range flammable
Gas, it is also possible to the burning of gas, or even explosion are caused, harmfulness is very big, also deviate from bifuel system cleaning, energy conservation, ring
The objective of guarantor.
In conclusion need to develop a kind of completely new, perfect internal combustion engine in-cylinder direct-jet bifuel system, meet market and
The demand of social development.
Utility model content
In order to make up for the defects of the prior art, the utility model provides a kind of internal-combustion engine systems of compression-ignited double fuel.
The utility model is achieved by the following technical solution:
A kind of internal-combustion engine system of compression-ignited double fuel, including internal combustion engine assembly, the internal combustion engine assembly are connected with high pressure
Diesel oil transport subsystem, compressed fuel gas transport subsystem, pressure release gas collection processing subsystem, double fuel high-pressure injection
System and post-processing subsystem, double fuel high-pressure injection subsystem include that dual fuel injector and combustion chamber are constituted, post-processing
System includes EGR module, SCR module and DPF module, and high-pressure diesel transport subsystem, is let out at compressed fuel gas transport subsystem
Pressure gas collection processing subsystem, double fuel high-pressure injection subsystem and post-processing subsystem pass through ECU and are controlled.
Further, the compressed fuel gas transport subsystem includes liquified-gas storing pot, cryogenic pump, gasifier, pressure
Power buffer, the first filter, the gentle rail of pressure-regulating valve system, liquified-gas storing pot are conveyed by cryogenic pump and gasifier
To pressure buffer, gasifier passes through the engine coolant entrance and engine cool of connecting line Yu internal combustion engine assembly respectively
Liquid outlet, pressure buffer are delivered to pressure-regulating valve system through the first filter, and after the filtering of the first filter,
It is delivered to gas rail, gas rail is connect by connecting pipe with the dual fuel injector of internal combustion engine assembly.
Further, the high-pressure diesel transport subsystem include fuel tank, final cleaner, oil transfer pump, high voltage common rail pump and
Diesel common rail, oil transfer pump filter the diesel oil in fuel tank by final cleaner, are delivered to high voltage common rail pump, high voltage common rail pump pair
After diesel oil is pressurizeed, it is delivered to diesel common rail, diesel common rail is connect by interface channel with dual fuel injector, in double fuel
Injector receives the instruction of ECU, and after internal needle valve structure is opened, high-pressure diesel in diesel common rail is sprayed by double fuel
The oil duct of emitter, is injected directly into the combustion chamber of internal combustion engine, so that ignition combustion chamber, drives gas fuel combustion acting.
Further, the pressure release gas collection processing subsystem includes pressure-regulating valve system, gas collection processing system
And enmgine exhaust, the compressed natural gas in gas rail are injected directly into the combustion of internal combustion engine by the air flue of dual fuel injector
It burns in room, and gas collection processing system is delivered to by the pressure release passage of pressure-regulating valve system.
Further, the gas collection processing system is connect with motor intake manifold by connecting pipe, gas collection
After the gas fuel pressure that processing system is collected reaches setting value, signal is passed to ECU by pressure sensor, and ECU is in internal combustion engine
Setting operating condition under, the switch valve of control gas collection processing system is opened, and low-pressure gas fuel can lead to by connecting pipe
Motor intake manifold is mixed with inlet air, and hence into combustion chamber, the burning enriching of setting ratio is carried out to setting operating condition,
Low-pressure gas fuel should repeatedly carry out, at gas collection the burning enriching of internal combustion engine setting operating condition in batches according to combustion case
When managing system pressure lower than setting value, switch valve is closed, and burning enriching stops.
Further, the ECU by monitoring crankshaft rotational speed sensor, camshaft phase sensor, accelerator pedal sensor,
Rail pressure sensor, water temperature sensor, boost-pressure sensor and the signal of intake air temperature sensor transmitting are to dual fuel injector
Command signal is sent, the open and close of needle valve structure and air valve structure in solenoid valve control dual fuel injector are passed through.
The beneficial effects of the utility model are: greatly reducing PM value and the NOx value in engine exhaust, compressed gas
Fuel delivery subsystem is provided with pressure buffer, keeps the adjusting of compressed natural gas, control more quick and accurate；Pressure release gas
Body collects processing subsystem, and processing application can be collected to the gaseous fuel of low-pressure channel, avoids directly arranging into atmosphere, cause
Pollution and other harm, improve the utilization rate of gaseous fuel, have filled up the blank that low-pressure combustible gas recycles in the world；Make
Product is easier to batch productionization, has greatly pushed technological progress and the batch of the dual fuel injection system internal combustion engine of diesel oil gaseous fuel
Change process.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Attached drawing 1 is the utility model bi-fuel internal combustion engine system layout figure；
Attached drawing 2 is the utility model bi-fuel internal combustion engine burning operation schematic diagram.
In figure, 01 liquified-gas storing pot, 02 cryogenic pump, 03 gasifier, 04 pressure buffer, 05 first filter, 06
Pressure-regulating valve system, 07 gas collection processing system, 08 filter, 09 gas rail, 10 ECU, 11 diesel common rails, 12 EGR, 13
Enmgine exhaust, 14 high voltage common rail pumps, 15 oil transfer pumps, 16 final cleaners, 17 fuel tanks, 18 SCR, 19 DPF, 20 start
Machine cooling liquid outlet, 21 dual fuel injectors, 22 engine coolant entrances, 23 internal combustion engine assemblies, round engine inlet manifold,
25 connecting rods, 26 pistons, 27 combustion chambers, 28 exhaust valves, 29 inlet valves, 30 crankshaft rotational speed sensors, 31 camshaft phase sensors,
32 accelerator pedal sensors, 33 rail pressure sensors, 34 water temperature sensors, 35 boost-pressure sensors, 36 intake air temperature sensor.
Specific embodiment
It is further described below with reference to the internal-combustion engine system of embodiment compression-ignited double fuel a kind of to the utility model.
Attached drawing 1,2 is a kind of specific embodiment of the utility model.A kind of internal combustion of compression-ignited double fuel of the utility model
Machine system, including internal combustion engine assembly 23, the internal combustion engine assembly 23 are connected with high-pressure diesel transport subsystem, compressed fuel gas
Transport subsystem, pressure release gas collection processing subsystem, double fuel high-pressure injection subsystem and post-processing subsystem, double fuel are high
Pressure injection subsystem includes that dual fuel injector 21 and combustion chamber 27 are constituted, and post-processing subsystem includes 12 module of EGR, SCR
19 module of 18 modules and DPF, high-pressure diesel transport subsystem, compressed fuel gas transport subsystem, the processing of pressure release gas collection
Subsystem, double fuel high-pressure injection subsystem and post-processing subsystem pass through ECU 10 and are controlled.
Further, the compressed fuel gas transport subsystem includes liquified-gas storing pot 01, cryogenic pump 02, gasifier
03, pressure buffer 04, the first filter 05, the gentle rail 09 of pressure-regulating valve system 06, liquified-gas storing pot 01 pass through low
Temperature pump 02 and gasifier 03 are delivered to pressure buffer 04, and gasifier 03 passes through the hair of connecting line and internal combustion engine assembly 23 respectively
Motivation coolant inlet 22 is connected to engine coolant outlet 20, and pressure buffer 04 is delivered to pressure through the first filter 05
Regulating valve system 06, and after the filtering of the first filter 05, it is delivered to gas rail 09, gas rail 09 passes through connecting pipe and internal combustion engine
The dual fuel injector 21 of assembly 23 connects.
Further, the high-pressure diesel transport subsystem includes that fuel tank 17, final cleaner 16, oil transfer pump 15, high pressure are total
Rail pump 14 and diesel common rail 11, oil transfer pump 15 filter the diesel oil in fuel tank 17 by final cleaner 16, and it is total to be delivered to high pressure
Rail pump 14, after high voltage common rail pump 14 pressurizes to diesel oil, is delivered to diesel common rail 11, diesel common rail 11 by interface channel with
Dual fuel injector 21 connects, and receives the instruction of ECU 10 in dual fuel injector 21, after internal needle valve structure is opened, bavin
High-pressure diesel in oily common rail 11 is injected directly into the combustion chamber 27 of internal combustion engine by the oil duct of dual fuel injector 21, thus
Ignition combustion chamber 27 drives gas fuel combustion acting.
Further, the pressure release gas collection processing subsystem includes pressure-regulating valve system 06, gas collection processing system
System 07 and enmgine exhaust 13, the compressed natural gas in gas rail 09 are injected directly by the air flue of dual fuel injector 21
In the combustion chamber 27 of internal combustion engine, and gas collection processing system 07 is delivered to by the pressure release passage of pressure-regulating valve system 06.
Further, the gas collection processing system 07 is connect with motor intake manifold 24 by connecting pipe, gas
After the gas fuel pressure that collection processing system implementing 07 is collected reaches setting value, signal is passed to ECU 10, ECU by pressure sensor
10 under the setting operating condition of internal combustion engine, and the switch valve of control gas collection processing system 07 is opened, and low-pressure gas fuel can pass through
Connecting pipe is led to motor intake manifold 24 and is mixed with inlet air, hence into combustion chamber 27, sets to setting operating condition
The burning enriching of certainty ratio, low-pressure gas fuel, should be in batches more according to combustion case to the burning enriching of internal combustion engine setting operating condition
Secondary progress, when 07 pressure of gas collection processing system is lower than setting value, switch valve is closed, and burning enriching stops.
Further, the ECU 10 passes through monitoring crankshaft rotational speed sensor 30, camshaft phase sensor 31, gas pedal
The letter that sensor 32, rail pressure sensor 33, water temperature sensor 34, boost-pressure sensor 35 and intake air temperature sensor 36 are transmitted
Number to dual fuel injector 21 send command signal, pass through needle valve structure in solenoid valve control dual fuel injector 21 and air valve knot
The open and close of structure.
A kind of internal-combustion engine system of compression-ignited double fuel of the utility model, liquified-gas storing pot 01, cryogenic pump 02, gasification
Device 03, pressure buffer 04, the first filter 05, pressure-regulating valve system 06, gas rail 09 and connecting pipe, constitute compressed gas
Fluid fuel transport subsystem；Liquefied gas can be liquefied natural gas, the fuel gas liquefaction such as liquefied petroleum gas, pressure tune
Valve system 06, gas collection processing system 07, enmgine exhaust 13 and connecting pipe are saved, is constituted at pressure release gas collection
Subsystem is managed, fuel tank 17, filter 16, oil transfer pump 15, high voltage common rail pump 14, diesel common rail 11 and connecting pipe constitute height
Diesel oil transport subsystem is pressed, dual fuel injector 21, combustion chamber 27 and connecting pipe constitute double fuel high-pressure injection subsystem
System, makes the PM value of engine exhaust and NOx value obtain significantly improving, but issuing with the emission regulation being increasingly stringenter
Cloth, internal combustion engine post-processing subsystem can according to need selection 12 module of EGR, 18 module of SCR, 19 module of DPF and other after
Processing module to meet the requirement of emission limit to the greatest extent, can carry to make vehicle in use enough
Fuel, gaseous fuel are added in liquid form, are carried, and gaseous fuel is stored in liquified-gas storing pot 01 with liquefied form,
In internal combustion engine, cryogenic pump 02 pumps out liquid gas fuel from liquified-gas storing pot 01, is delivered to gasifier 03.
When internal combustion engine just starts, the heating device of gasifier 03 gasifies liquid gas fuel, and is delivered to pressure buffer 04, hair
Motivation coolant inlet 22 and engine coolant outlet 20 are connected by pipeline with gasifier 03 respectively, internal combustion engine operation
Afterwards, engine coolant has reached the temperature of setting, and ECU 10 controls the heater stop work of gasifier 03, subsequently through
The temperature of engine coolant is by gasifying liquefied gas.
The present invention relates to bi-fuel internal combustion engine in, be provided with pressure buffer 04, from gasifier 03 export gas
Pressure oscillation is larger, and pressure buffer 04 can weaken gas pressure fluctuation, and pressure sensor, pressure are equipped in pressure buffer 04
Pressure signal transmission is significantly fluctuated situation, or and target value deviation according to pressure to ECU 10, ECU 10 by force snesor
Situation controls to adjust the liquid gas fuel pump output of cryogenic pump 02, thus the pressure of rough adjusting control compressed fuel gas
Power is stablized in a certain range.Compressed gas in pressure buffer 04 is delivered to pressure-regulating valve through cleaner 05
System 06.
The present invention relates to bi-fuel internal combustion engine in, be provided with pressure-regulating valve system 06, pressure-regulating valve system 06
In, one-way valve structures are provided with, switch valve structure, pressure-relief valve structure, piston structure etc., pressure-regulating valve system 06 passes through diesel oil
Pressure accurately to control the pressure of compressed gas, and pressure adjusts accurate and quick compressed fuel gas after accurate adjusting, passes through
After filter 08 filters, it is delivered to gas rail 09, gas rail 09 is connect, in double fuel by connecting pipe with dual fuel injector 21
Injector 21 is connected to the instruction of ECU 10, and after internal air valve structure is opened, compressed natural gas in gas rail 09 passes through double combustions
The air flue of material ejector 21 is injected directly into the combustion chamber 27 of internal combustion engine, thus work by combustion.It is pressed in pressure-regulating valve system 06
When fluctuation is larger or engine shutdown, to avoid system pressure excessive or system is chronically at high pressure conditions, pressure is adjusted
The pressure release passage of valve system 06 can be opened, and the low-pressure gas fuel of pressure release passage is delivered to gas collection processing system 07, internal combustion
When machine is shut down, the compressing inflammable gas in gas rail 09 and filter 08 can also be delivered to gas collection processing system 07.
The present invention relates to bi-fuel internal combustion engine in, be provided with gas collection processing system 07.Gas collection processing system
System 07 in, be provided with one-way valve structures, switch valve structure, pressure sensor etc., gas collection processing system 07 and engine into
Gas manifold 24 is connected by connecting pipe.After the gas fuel pressure that gas collection processing system 07 is collected reaches setting value, pressure
Signal is passed to ECU 10 by force snesor, and ECU 10 controls gas collection processing system 07 under the setting operating condition of internal combustion engine
Switch valve open, low-pressure gas fuel can lead to motor intake manifold 24 by connecting pipe, mixed with inlet air, from
And enter combustion chamber 27, the burning enriching of setting ratio is carried out to setting operating condition.Low-pressure gas fuel sets operating condition to internal combustion engine
Burning enriching, should repeatedly be carried out in batches according to combustion case, 07 pressure of gas collection processing system be lower than setting value when, switch
Valve is closed, and burning enriching stops.
The present invention relates to bi-fuel internal combustion engine in, the oil transfer pump 15 in high-pressure diesel transport subsystem will be in fuel tank 17
Diesel oil, filtered through cleaner 16, be delivered to high voltage common rail pump 14, after high voltage common rail pump 14 pressurizes to diesel oil, conveying
To diesel common rail 11, diesel common rail 11 is connect by interface channel with dual fuel injector 21, is connected in dual fuel injector 21
The instruction of ECU 10, after internal needle valve structure is opened, high-pressure diesel in diesel common rail 11 passes through dual fuel injector 21
Oil duct, be injected directly into the combustion chamber 27 of internal combustion engine, thus ignition combustion chamber, drive gas fuel combustion acting.
Meanwhile ECU by monitoring crankshaft rotational speed sensor 30, camshaft phase sensor 31, accelerator pedal sensor 32,
A variety of monitoring internal combustion engines such as rail pressure sensor 33, water temperature sensor 34, boost-pressure sensor 35 and intake air temperature sensor 36
The sensor of parameter, the signal of the comprehensive various kinds of sensors transmitting of ECU 10, sends command signal to dual fuel injector 21, passes through
The open and close of needle valve structure and air valve structure in solenoid valve control dual fuel injector 21 are being pressed in internal combustion engine
Contracting stroke TDC first sprays a small amount of diesel oil into combustion chamber 27, and diesel oil is compression-ignited, ignition combustion chamber, then into combustion chamber
Quantitative compressed fuel gas is sprayed, to carry out work by combustion.
The present invention relates to bi-fuel internal combustion engine, can be single cylinder engine, or Multi-Cylinder Diesel Engine.
The utility model is not limited to above embodiment, anyone, which should learn, makes under the enlightenment of the utility model
There is same or similar technical solution with the utility model, each fall within the protection scope of the utility model.
Technology that the utility model is not described in detail, shape, construction portion are well-known technique.
Claims (6)
1. a kind of internal-combustion engine system of compression-ignited double fuel, including internal combustion engine assembly, which is characterized in that the internal combustion engine assembly connects
It is high to be connected to high-pressure diesel transport subsystem, compressed fuel gas transport subsystem, pressure release gas collection processing subsystem, double fuel
Injection subsystem and post-processing subsystem are pressed, double fuel high-pressure injection subsystem includes that dual fuel injector and combustion chamber are constituted,
Post-processing subsystem includes EGR module, SCR module and DPF module, high-pressure diesel transport subsystem, compressed fuel gas conveying
Subsystem, pressure release gas collection processing subsystem, double fuel high-pressure injection subsystem and post-processing subsystem are carried out by ECU
Control.
2. a kind of internal-combustion engine system of compression-ignited double fuel according to claim 1, it is characterised in that: the compressed gas
Fuel delivery subsystem includes liquified-gas storing pot, cryogenic pump, gasifier, pressure buffer, the first filter, pressure adjusting
The gentle rail of valve system, liquified-gas storing pot are delivered to pressure buffer by cryogenic pump and gasifier, and gasifier passes through respectively
The engine coolant entrance and engine coolant outlet of connecting line and internal combustion engine assembly, pressure buffer is through first
Filter is delivered to pressure-regulating valve system, and after the filtering of the first filter, is delivered to gas rail, gas rail passes through connecting pipe
It is connect with the dual fuel injector of internal combustion engine assembly.
3. a kind of internal-combustion engine system of compression-ignited double fuel according to claim 1, it is characterised in that: the high-pressure diesel
Transport subsystem includes fuel tank, final cleaner, oil transfer pump, high voltage common rail pump and diesel common rail, and oil transfer pump is by the bavin in fuel tank
Oil is filtered by final cleaner, is delivered to high voltage common rail pump, and after high voltage common rail pump pressurizes to diesel oil, it is total to be delivered to diesel oil
Rail, diesel common rail are connect by interface channel with dual fuel injector, receive the instruction of ECU in dual fuel injector, will be internal
Needle valve structure open after, the high-pressure diesel in diesel common rail is injected directly into internal combustion engine by the oil duct of dual fuel injector
In combustion chamber, so that ignition combustion chamber, drives gas fuel combustion acting.
4. a kind of internal-combustion engine system of compression-ignited double fuel according to claim 1, it is characterised in that: the pressure release gas
Collecting processing subsystem includes pressure-regulating valve system, gas collection processing system and enmgine exhaust, the pressure in gas rail
Contracting natural gas is injected directly into the combustion chamber of internal combustion engine by the air flue of dual fuel injector, and passes through pressure-regulating valve system
Pressure release passage be delivered to gas collection processing system.
5. a kind of internal-combustion engine system of compression-ignited double fuel according to claim 4, it is characterised in that: the gas collection
Processing system is connect with motor intake manifold by connecting pipe, and the gas fuel pressure that gas collection processing system is collected reaches
To after setting value, signal is passed to ECU by pressure sensor, and ECU is under the setting operating condition of internal combustion engine, control gas collection processing
The switch valve of system is opened, and low-pressure gas fuel can lead to motor intake manifold by connecting pipe and mix with inlet air,
Hence into combustion chamber, the burning enriching of setting ratio is carried out to setting operating condition, low-pressure gas fuel sets operating condition to internal combustion engine
Burning enriching, should repeatedly be carried out in batches according to combustion case, gas collection processing system pressure be lower than setting value when, switch valve
It closes, burning enriching stops.
6. a kind of internal-combustion engine system of compression-ignited double fuel according to claim 1, it is characterised in that: the ECU passes through
Monitor crankshaft rotational speed sensor, camshaft phase sensor, accelerator pedal sensor, rail pressure sensor, water temperature sensor, pressurization
Pressure sensor and the signal of intake air temperature sensor transmitting send command signal to dual fuel injector, pass through solenoid valve control
The open and close of needle valve structure and air valve structure in dual fuel injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920205538.4U CN209671096U (en) | 2019-02-18 | 2019-02-18 | A kind of internal-combustion engine system of compression-ignited double fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920205538.4U CN209671096U (en) | 2019-02-18 | 2019-02-18 | A kind of internal-combustion engine system of compression-ignited double fuel |
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| CN209671096U true CN209671096U (en) | 2019-11-22 |
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ID=68568931
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920205538.4U Active CN209671096U (en) | 2019-02-18 | 2019-02-18 | A kind of internal-combustion engine system of compression-ignited double fuel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931188A (en) * | 2019-02-18 | 2019-06-25 | 英嘉动力科技无锡有限公司 | A kind of internal-combustion engine system of compression-ignited double fuel |
| CN114439658A (en) * | 2020-10-30 | 2022-05-06 | 英嘉动力科技无锡有限公司 | Fuel supply system of dual-fuel direct injection system engine |
-
2019
- 2019-02-18 CN CN201920205538.4U patent/CN209671096U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931188A (en) * | 2019-02-18 | 2019-06-25 | 英嘉动力科技无锡有限公司 | A kind of internal-combustion engine system of compression-ignited double fuel |
| CN114439658A (en) * | 2020-10-30 | 2022-05-06 | 英嘉动力科技无锡有限公司 | Fuel supply system of dual-fuel direct injection system engine |
| CN114439658B (en) * | 2020-10-30 | 2023-06-06 | 英嘉动力科技无锡有限公司 | Fuel supply system of dual-fuel direct injection system engine |
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