CN110939525A - Four-cylinder diesel engine - Google Patents
Four-cylinder diesel engine Download PDFInfo
- Publication number
- CN110939525A CN110939525A CN201911356625.0A CN201911356625A CN110939525A CN 110939525 A CN110939525 A CN 110939525A CN 201911356625 A CN201911356625 A CN 201911356625A CN 110939525 A CN110939525 A CN 110939525A
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- engine
- egr valve
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- 239000000446 fuel Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000009838 combustion analysis Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/52—Systems for actuating EGR valves
- F02M26/53—Systems for actuating EGR valves using electric actuators, e.g. solenoids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/0091—Oilsumps characterised by used materials
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention discloses a four-cylinder diesel engine, which comprises an engine body, a high-pressure common rail electric control system, an air inlet system, an exhaust system and a post-treatment device, wherein the engine body comprises a cylinder body and a cylinder cover, the cylinder body is a cylinder body without a cylinder sleeve, the cylinder body is made of cast iron materials, and the cylinder cover is made of aluminum alloy materials. The four-cylinder diesel engine of the invention reduces the fuel economy and the weight of the engine while ensuring high-efficiency dynamic performance.
Description
Technical Field
The invention belongs to the technical field of internal combustion engines, and particularly relates to a four-cylinder diesel engine.
Background
In order to control air pollution, the nation limits the pollutant discharge amount of power machinery in different fields. In the non-road field, the implementation of the emission of the national three causes the emission of nitrogen oxides (NOx) to be reduced by about 50 percent. The national fourth standard mainly imposes the restriction requirements of NOx and particulate matters, and particularly, the restriction range of the particulate matters is larger. The domestic non-road machinery industry lacks a new generation diesel engine which has advanced technology, light weight, high fuel economy and low vibration noise and can meet the stricter regulations in the future. Therefore, it is desirable to provide a diesel engine with more advanced technology, lighter weight, lower fuel consumption and better emissions.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a four-cylinder diesel engine with light weight and low oil consumption.
In order to achieve the purpose, the invention adopts the technical scheme that: the four-cylinder diesel engine comprises an engine body, a high-pressure common-rail electric control system, an air inlet system, an exhaust system and a post-treatment device, wherein the engine body comprises a cylinder body and a cylinder cover, the cylinder body is a cylinder body without a cylinder sleeve, the cylinder body is made of cast iron materials, and the cylinder cover is made of aluminum alloy materials.
The high-pressure common rail electric control system comprises a high-pressure fuel pump, an oil sprayer and a high-pressure oil rail connected with the high-pressure fuel pump and the oil sprayer, and the oil sprayer is installed on the cylinder cover in an angle of 90 degrees.
The air inlet system comprises an air inlet manifold, a throttle valve body is installed at a pipe orifice of the air inlet manifold, and the throttle valve body is used for adjusting the vacuum degree of air inlet.
The exhaust gas recirculation system comprises an EGR valve and an ERG cooler, the EGR valve is an electric EGR valve, and the EGR valve is connected with a water inlet and a water return port of the ERG cooler.
The EGR valve drive is in the form of a 24V/12V current drive.
The engine body still include with the oil pan that the cylinder body is connected, the oil pan adopts cast aluminium material to make.
The post-treatment device comprises a diesel oxidation catalyst, a diesel particle catcher connected with the diesel oxidation catalyst and an exhaust pipe connected with the diesel particle catcher, wherein a sensor is arranged on the diesel particle catcher.
The four-cylinder diesel engine of the invention reduces the fuel economy and the weight of the engine while ensuring high-efficiency dynamic performance.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic view of a four cylinder diesel engine of the present invention at 45 from the fan end;
FIG. 2 is a schematic view of a four cylinder diesel engine of the present invention at 45 from the flywheel end;
FIG. 3 is a right side view of the four cylinder diesel engine of the present invention;
FIG. 4 is a top view of the four cylinder diesel engine of the present invention;
FIG. 5 is a front end schematic view of a four cylinder diesel engine of the present invention;
FIG. 6 is a rear end schematic view of a four cylinder diesel engine of the present invention;
labeled as:
1. a cylinder body; 2. a machine filter module; 3. a throttle body; 4. an EGR valve; 5. an EGR cooler; 6. a fan; 7. a gear cover cap; 8. an oil pan; 9. a cylinder cover; 10. an oil injector; 11. a supercharger; 12. a supercharger outlet; 13. a starter; 14. a flywheel housing; 15. a flywheel; 16. a high pressure oil rail; 17. a high pressure fuel pump; 18. an engine intake; 19. a water outlet of the engine; 20. a belt; 21. an aftertreatment device interface flange; 22. a diesel oxidation catalyst; 23. a diesel particulate trap; 24. a sensor; 25. and (4) exhausting the gas.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 6, the present invention provides a four-cylinder diesel engine, which includes an engine body, a high-pressure common rail electric control system, an intake system, an exhaust system, and an aftertreatment device. The engine body comprises a cylinder body and a cylinder cover connected with the cylinder body, the cylinder body is a cylinder body without a cylinder sleeve, the cylinder body is made of cast iron materials, and the cylinder cover is made of aluminum alloy materials.
Specifically, as shown in fig. 1 to 5, the engine body further includes a filter module 2, a fan 6, a gear cover 7, an oil pan 8, a flywheel housing 14, and a flywheel 15. The cylinder body 1 is of an integral structure without a cylinder sleeve and made of cast iron materials, the cylinder body 1 comprises an upper cylinder body and a frame which are connected, and the upper cylinder body adopts a cylinder sleeve-free structure in a wet cooling mode. The front end of the cylinder body 1 is provided with a gear cover 7, and the gear cover 7 is used for wrapping and protecting a gear transmission system of the whole machine. The gear cover 7 is made of cast iron materials, and two power output ports (PTO for short) are arranged on the side face of the gear cover 7 and used for meeting the power requirements of the whole vehicle, such as driving a hydraulic pump, a lifting mechanism of the whole vehicle and the like. The front end of the cylinder body 1 is simultaneously provided with a fan 6, the fan 6 is driven by a belt 20, and the gear cover 7 is positioned between the fan 6 and the cylinder body 1. The rear end of the cylinder body 1 is provided with a flywheel shell 14, a flywheel 15 is arranged in the flywheel shell 14, the flywheel 15 is installed on a crankshaft, the flywheel 15 is used for rear-end output of an engine, and a starter 13 is installed on the side face of the flywheel shell 12. The exhaust side of the cylinder body 1 is provided with a supercharger 11, wherein the supercharger 11 is of a downward hanging type structure. The machine of admitting air side-mounting of cylinder body 1 strains module 2, and the machine is strained module 2 and is adopted modular design, integrated oil cooler, oil cleaner, oil relief valve and relevant machine oil circuit and cooling water route etc..
As shown in fig. 1 to 5, an oil pan 8 is disposed at the lower end of the cylinder block 1, and the oil pan 8 is made of cast aluminum, so as to meet the inclination requirements of multiple postures, such as horizontal, longitudinal and mixed directions, in the non-road field on the premise of ensuring the volume of the engine lubricating oil. The oil sump 8 can be made of different materials and have different structural designs according to different requirements of the customer application field.
As shown in fig. 1 to 5, the cylinder head 9 has an integral structure and is made of an aluminum alloy material. The upper end of the cylinder cover 9 is provided with a high-pressure common rail electric control system which comprises a high-pressure fuel pump, an oil injector and a high-pressure oil rail connected with the high-pressure fuel pump and the oil injector. The high-pressure fuel pump 17 is arranged on the side surface of the gear cover 7 and adopts gear transmission. The fuel injector 10 is arranged right above the cylinder cover, the fuel injector 10 is connected to a high-pressure fuel rail 16 through a fuel pipe, and the high-pressure fuel rail 16 is connected with a high-pressure fuel pump 17. The number of the spray holes of the oil sprayer 10 is 7, the oil beam cone angle combustion analysis and the electric control calibration of the oil sprayer 10 are carried out, the oil sprayer is installed on the cylinder cover in an angle of 90 degrees, and the axis of the oil sprayer 10 is parallel to the axis of the cylinder hole.
As shown in fig. 1 to 5, an engine water inlet 18 is located on the exhaust side of the cylinder block 1, an engine water outlet 19 is located on the cylinder head 2, an engine air inlet is located at the throttle body 3, and an engine air outlet is the supercharger outlet 12. The air inlet system comprises an air inlet manifold, a throttle valve body 3 is installed at a pipe orifice of the air inlet manifold, and the throttle valve body is used for adjusting the vacuum degree of air inlet. The exhaust gas recirculation system includes an EGR valve (exhaust gas recirculation control valve) which is an electric EGR valve, and an ERG cooler (exhaust gas recirculation cooler) which is connected to a water inlet and a water return port of the ERG cooler.
The throttle body 3 is an air inlet of the engine and is arranged at the pipe orifice of the air inlet manifold, and the rear end of the throttle body 3 is connected with the EGR valve 4. EGR valve 4 is electronic hot junction structure, and EGR valve 4 passes through the pipeline and is connected with EGR cooler 5's water inlet, and EGR valve 4 passes through the return water pipeline and is connected with EGR cooler 5's return water mouth. The ERG cooler 5 is a cooling system in which air and water are exchanged, and is connected to a water path of the cylinder 1 through a pipe.
The EGR valve 4 is driven in the form of 24V/12V current drive. According to the use requirements of users and the environmental requirements, different power supply systems can be selected and matched, the applicability is stronger, and meanwhile, the cost can be considered.
As shown in fig. 1 to 5, the charge intercooling system includes a supercharger 1, an EGR control system, and the like. The supercharger 1 mainly functions to drive the compressor end of the supercharger 1 to compress more fresh air into the engine by utilizing the operation of the exhaust turbine end, and the supercharger is connected with the post-processing device.
The waste gas branch comprises two branches in total;
specifically, the first branch is to reduce pollutants by controlling the opening degree of the EGR cooler 5 through the electric EGR valve 4 to allow exhaust gas to participate in combustion. The throttle valve body 3 is used for adjusting the vacuum degree of the intake air and is matched with the EGR valve 4 for use.
The second branch is where exhaust gas enters the aftertreatment device through the supercharger outlet flange 12. Wherein the booster outlet flange 12 is connected with the after-treatment device interface flange 21, and the exhaust gas passes through the diesel oxidation catalyst 22 and the diesel particulate trap 23, reduces pollutants in the exhaust gas, and is finally discharged through the exhaust pipe 25. Wherein the diesel oxidation catalyst 22 and the diesel particulate trap 23 are connected in series, and have a structure of a "straight" shape, and are provided with sensors 24 for monitoring and controlling relevant parameters of the exhaust gas.
As shown in fig. 6, the aftertreatment device includes a diesel oxidation catalyst, a diesel particulate trap connected to the diesel oxidation catalyst, and an exhaust pipe connected to the diesel particulate trap, and a sensor is provided on the diesel particulate trap.
The post-processing technical route of the engine is as follows: the high-pressure common rail electric control system, the EGR valve 4, the diesel oxidation catalyst 22 and the DPF particle catcher device 23 are used for reducing exhaust emission of the engine, and the engine is ensured to have higher fuel economy while meeting the emission regulation requirements.
As shown in fig. 1 to 5, the valve train of the engine is a four-valve lower single camshaft system, which includes a single camshaft mounted on the cylinder block 1, a mechanical push rod, and a mechanical rocker arm assembly mounted on the cylinder head. The camshaft is driven by straight gears and drives a mechanical rocker arm through a cam push rod to drive a valve mechanism to move.
The cylinder diameter of the engine is 102mm, the stroke is 122mm, and the basic parameters (the ratio of the cylinder diameter to the stroke) are in a reasonable interval, so that the requirements of dynamic property and the space size of the whole engine can be met; meanwhile, the engine can be used as an original engine of the same family system engine, different versions and family system products are derived based on market demands, the development period is shortened, and the development risk is reduced.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (7)
1. Four jar diesel engine, including engine body, high pressure common rail electrical system, air intake system, exhaust system and aftertreatment device, the engine body includes cylinder body and cylinder cap, its characterized in that: the cylinder body is a cylinder liner-free cylinder body, the cylinder body is made of cast iron materials, and the cylinder cover is made of aluminum alloy materials.
2. The four-cylinder diesel engine according to claim 1, characterized in that: the high-pressure common rail electric control system comprises a high-pressure fuel pump, an oil sprayer and a high-pressure oil rail connected with the high-pressure fuel pump and the oil sprayer, and the oil sprayer is installed on the cylinder cover in an angle of 90 degrees.
3. The four-cylinder diesel engine according to claim 1 or 2, characterized in that: the air inlet system comprises an air inlet manifold, a throttle valve body is installed at a pipe orifice of the air inlet manifold, and the throttle valve body is used for adjusting the vacuum degree of air inlet.
4. The four-cylinder diesel engine according to claim 3, characterized in that: the exhaust gas recirculation system comprises an EGR valve and an ERG cooler, the EGR valve is an electric EGR valve, and the EGR valve is connected with a water inlet and a water return port of the ERG cooler.
5. The four-cylinder diesel engine according to claim 4, characterized in that: the EGR valve drive is in the form of a 24V/12V current drive.
6. The four-cylinder diesel engine according to any one of claims 1 to 5, characterized in that: the engine body further comprises an oil pan connected with the cylinder body, and the oil pan is made of cast aluminum.
7. The four-cylinder diesel engine according to any one of claims 1 to 5, characterized in that: the post-treatment device comprises a diesel oxidation catalyst, a diesel particle catcher connected with the diesel oxidation catalyst and an exhaust pipe connected with the diesel particle catcher, wherein a sensor is arranged on the diesel particle catcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356625.0A CN110939525A (en) | 2019-12-25 | 2019-12-25 | Four-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356625.0A CN110939525A (en) | 2019-12-25 | 2019-12-25 | Four-cylinder diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110939525A true CN110939525A (en) | 2020-03-31 |
Family
ID=69913443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911356625.0A Pending CN110939525A (en) | 2019-12-25 | 2019-12-25 | Four-cylinder diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110939525A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121059A (en) * | 2014-08-12 | 2014-10-29 | 广西玉柴机器股份有限公司 | Cast aluminum oil pan |
| CN205841007U (en) * | 2016-07-08 | 2016-12-28 | 昆明云内动力股份有限公司 | A kind of non-road four cylinder Diesel engines |
| CN211950683U (en) * | 2019-12-25 | 2020-11-17 | 安徽航瑞航空动力装备有限公司 | Four-cylinder diesel engine |
-
2019
- 2019-12-25 CN CN201911356625.0A patent/CN110939525A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121059A (en) * | 2014-08-12 | 2014-10-29 | 广西玉柴机器股份有限公司 | Cast aluminum oil pan |
| CN205841007U (en) * | 2016-07-08 | 2016-12-28 | 昆明云内动力股份有限公司 | A kind of non-road four cylinder Diesel engines |
| CN211950683U (en) * | 2019-12-25 | 2020-11-17 | 安徽航瑞航空动力装备有限公司 | Four-cylinder diesel engine |
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