CN206608235U - Two-stroke in-cylinder direct-jet piston engine - Google Patents

Two-stroke in-cylinder direct-jet piston engine Download PDF

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Publication number
CN206608235U
CN206608235U CN201720119996.7U CN201720119996U CN206608235U CN 206608235 U CN206608235 U CN 206608235U CN 201720119996 U CN201720119996 U CN 201720119996U CN 206608235 U CN206608235 U CN 206608235U
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China
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cylinder
combustion chamber
stroke
piston
chamber
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CN201720119996.7U
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胡春明
刘娜
宋玺娟
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Tianjin Internal Combustion Engine Research Institute (tianjin Motorcycle Technology Center)
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Tianjin Internal Combustion Engine Research Institute (tianjin Motorcycle Technology Center)
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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Abstract

A kind of two-stroke in-cylinder direct-jet piston engine, including cylinder body, cylinder head, piston, fuel injector, spark plug, air intake duct, exhaust duct, scavenging air belt and crankcase, combustion chamber include interconnected main combustion chamber, precombustion chamber and the dimpled piston of top tape;Precombustion chamber is hemispherical configuration, the top positioned at combustion chamber, and main combustion chamber is inverted disc structure, the bottom positioned at combustion chamber;The front end of fuel injector and spark plug is separately positioned in precombustion chamber.During work, fuel injector pre- spray first in main chamber forms thin gaseous mixture, then the denseer gaseous mixture of secondary fuel injection formation into precombustion chamber, and spark plug is lighted a fire in precombustion chamber, and burning completely is completed in main combustion chamber.Composite injection control strategy, forms the gaseous mixture of layering air-fuel ratio combination in main combustion chamber and precombustion chamber, so as to form stratified combustion, improves the cold-start performance and the high temperature capability of antidetonance of engine by the combustion chamber of composite construction and twice.

Description

Two-stroke in-cylinder direct-jet piston engine
Technical field
The utility model is related to the technical field of two-stroke piston type engine, specifically a kind of to have composite combustion chamber Realize the two-stroke in-cylinder direct-jet piston engine of stratified combustion.
Background technology
Two-stroke gasoline engine is since the appearance, because it has the advantages that simple in construction, power per liter is high, with low cost and wide It is general to be applied to the fields such as motorcycle, unmanned plane, shipboard and hay mover.Traditional non-direct injection two-stroke engine is in structure There is inherent shortcoming:Waste gas during ventilation in cylinder is difficult emptying, while a part of combustion mixture can simultaneously be discharged with waste gas, So as to be difficult to the requirement for meeting dynamic property and endurance.Two-stroke in-cylinder direct-jet piston engine is only carried out using fresh air Scavenging, and mixed combustion will be carried out in fuel direct injection to combustion chamber, different mixture combustion patterns is used under different operating modes: Homogeneous equivalent proportion mixture combustion pattern is used under middle and high load working condition, to meet engine load requirement;In underload and cold Start operating performance is then using layering lean-burn mixture combustion pattern, to improve the fuel economy under the operating mode.Two stroke engine In-cylinder direct-jet technical field in sprayed with the mechanical two-stroke fuel oils of the ET2 of SEFIS, PIAGGIO company of Orbital companies The IAPAC systems that system and IFP are developed are representative.
Existing two-stroke in-cylinder direct-jet piston engine typically all includes cylinder body, cylinder head, piston, fuel injector, spark Plug, air intake duct, exhaust duct, scavenging air belt and crankcase, wherein cylinder block and head are combined to form cylinder, and piston is arranged on gas Cylinder interior simultaneously connects bent axle, and combustion chamber is formed between cylinder head and piston, and the front end insertion of fuel injector and spark plug is arranged on combustion Burn indoor, air intake duct is arranged on cylinder body with exhaust duct, scavenging air belt connection cylinder and crankcase.Formed in common cylinder head Combustion chamber is divided into hemispherical, wedge shape, basin shape etc., and wherein the transfer fire of hemispherical combustion chamber is apart from short but be difficult to form scavenging whirlpool Rotation, the transfer fire distance detonation tendency of wedge-section combustion chamber is larger, and detonation inclines during radiation loss Datong District of bowl combustion chamber To also larger, traditionally shaped combustion chamber is all difficult to realize stratified combustion in the prior art.
Other existing two-stroke gasoline engine all has the shortcomings that common, an i.e. lubrication for part especially piston portion Poor, conventional lubrication mode one kind is to mix fuel oil with machine oil, by fuel oil supply system filling engine oil, and machine oil is directly in burning During directly burn up, the oil consumption of such a mode is big, and cylinder sleeve of engine is adhered to due to machine oil when high engine speeds are run Occur to lubricate insufficient pull-cylinder phenomena less and easily;Another is to use independent lubricating structure, and it is each to use independent lubricating oil pump Part supplies machine oil, and the rotating speed of lubricating oil pump is associated with engine speed, and its typical case is the distinctive CCI lubrication technologies of Suzuki, but It is not high using the efficiency of independent lubricating mechanism during horizontally-opposed multicylinder engine.
Utility model content
The technical problems to be solved in the utility model is to provide specifically one kind and realizes that gradient air-fuel ratio and layering are mixed The two-stroke in-cylinder direct-jet piston engine of gas burning.
The utility model is adopted the technical scheme that to solve technical problem present in known technology:
Two-stroke in-cylinder direct-jet piston engine of the present utility model, including cylinder body, cylinder head, piston, fuel injector, spark Plug, air intake duct, exhaust duct, scavenging air belt and crankcase, wherein cylinder block and head are combined to form cylinder, and piston is arranged on gas Cylinder interior simultaneously connects bent axle, forms combustion chamber between cylinder head and piston, and the front end of fuel injector and spark plug is mounted on combustion Burn indoor, air intake duct is arranged on cylinder body with exhaust duct, scavenging air belt connection cylinder and crankcase, combustion chamber is composite construction, bag Include interconnected main combustion chamber, precombustion chamber, and the dimpled piston of top tape;Precombustion chamber is hemispherical configuration, positioned at burning The top of room, main combustion chamber is inverted disc structure, the bottom positioned at combustion chamber;The front end of fuel injector and spark plug is set respectively In precombustion chamber.
The utility model can also use following technical measures:
Pit in described precombustion chamber and piston is coaxially disposed, and main combustion chamber is set with cylinder coaxial, the inwall of precombustion chamber Seamlessly transitted between the inwall of main combustion chamber;Cooling jacket is set outside main combustion chamber and precombustion chamber.
The central shaft of described precombustion chamber is eccentric relative to the axial scavenging air belt side of cylinder, and the pit on piston is relative to work It is eccentric pit to fill in central shaft.
Described fuel injector is installed vertically on precombustion chamber middle position, and the spark plug installed in precombustion chamber is arranged in pairs, and two Axially symmetric setting of the spark plug along fuel injector.
Described fuel injector is that low-pressure compressed air aids in setting outside direct-injection nozzle, the compressed air hose of fuel injector connection Put the heating external member of temperature-controllable and the cooling jacket of embedded cylinder body.
The heating component of temperature-controllable is installed in two described spark plugs under at least one spark plug.
The heating component of temperature-controllable is installed at the crankcase of described engine.
Described crankcase porch sets lube spray, and the injection direction of lube spray is towards crankcase.
Multiple tooth target flywheel is installed, by the sensing that setting is symmetrically installed on crankcase body on described engine crankshaft Device detects engine rotational speed signal and top stopping point Angle Position.
Described two-stroke in-cylinder direct-jet piston engine is cylinder straight engine or cylinder pancake engine.
The utility model has the advantages and positive effects of:
In two-stroke in-cylinder direct-jet piston engine of the present utility model, combustion chamber is composite construction, and it includes mutually interconnecting The main combustion chamber that connects, precombustion chamber, and the dimpled piston of top tape, during work, fuel injector pre- spray shape first in main chamber Into thin gaseous mixture, then secondary into precombustion chamber to spray into the denseer gaseous mixture of fuel oil formation, spark plug is at precombustion chamber midpoint Fire, completely burning are completed in main combustion chamber.Combustion chamber and twice composite injection control plan of the utility model by composite construction Slightly, the fuel concentration formed in main combustion chamber and precombustion chamber in the combustion mixture of layering air-fuel ratio combination, precombustion chamber is more than master Indoor fuel concentration is fired, so as to form stratified combustion in combustion chamber, the cold-start performance and high temperature work of engine is improved The capability of antidetonance under the conditions of work.In addition, the utility model improves the lubricating efficiency of engine by changing lubrication system.
Brief description of the drawings
Fig. 1 is the section of cylinder portion in the piston-engined first embodiment of two-stroke in-cylinder direct-jet of the present utility model Schematic diagram;
Fig. 2 is the burning in cylinder head in the piston-engined first embodiment of two-stroke in-cylinder direct-jet of the present utility model The schematic diagram of room;
Fig. 3 is the external structure schematic diagram of the piston-engined cylinder portion of two-stroke in-cylinder direct-jet of the present utility model;
Fig. 4 is the section of cylinder portion in the piston-engined second embodiment of two-stroke in-cylinder direct-jet of the present utility model Schematic diagram;
Fig. 5 is the burning in cylinder head in the piston-engined second embodiment of two-stroke in-cylinder direct-jet of the present utility model The schematic diagram of room;
Fig. 6 is schematic diagram when two-stroke in-cylinder direct-jet piston engine of the present utility model is horizontally-opposed structure.Tool Body embodiment.
Embodiment
The utility model is described in detail based on the following the drawings and specific embodiments.
Embodiment one:
As shown in Figure 1 to Figure 3, two-stroke in-cylinder direct-jet piston engine of the present utility model, including cylinder body 1, cylinder head 2nd, piston 3, fuel injector 4, spark plug 5, air intake duct(It is not shown), exhaust duct(It is not shown), scavenging air belt 6 and crankcase, wherein gas Cylinder body and cylinder head are combined to form cylinder, and piston is arranged on cylinder interior and connects bent axle, are formed between cylinder head and piston The front end of combustion chamber, fuel injector and spark plug is mounted in combustion chamber, and air intake duct is arranged on cylinder body with exhaust duct, scavenging Road connects cylinder and crankcase, and combustion chamber includes interconnected main combustion chamber 7, precombustion chamber 8, and top carries the work of pit 9 Plug 3;Precombustion chamber is hemispherical configuration, the top positioned at combustion chamber, and main combustion chamber is inverted disc structure, the bottom positioned at combustion chamber Portion;The front end of fuel injector 4 and spark plug 5 is separately positioned in precombustion chamber.
Pit on precombustion chamber, main combustion chamber, cylinder, piston and piston is coaxially disposed, the inwall of precombustion chamber and main combustion chamber Seamlessly transitted between inwall, wedge angle can not be formed between main combustion chamber and precombustion chamber;Cooling jacket 10 is set outside main combustion chamber and precombustion chamber, Cooled down for cylinder.
Fuel injector 4 is installed vertically on precombustion chamber middle position, and spark plug can also be arranged in pairs to be single, be installed in figure It is arranged in pairs in the spark plug of precombustion chamber, axially symmetric setting of two spark plugs along fuel injector.
Fuel injector is that low-pressure compressed air aids in direct-injection nozzle, and the outside of compressed air hose 11 of fuel injector connection sets temperature Cooling jacket 10 is also provided with the controllable heating external member 12 of degree, cylinder body, compressed air hose is embedded in the cooling jacket of cylinder body 1.Cold Heat external member during starting to preheat the compressed air for entering combustion chamber, heating mantle can be from PTC heating tubes, temperature-sensitive electricity Hinder the conventional Electric heatings such as heating tube.Work as engine work, when the temperature of cooling jacket rises, cooling water can be passed through Set carries out heat exchange with compressed air inner air tube and heated.
The heating component 13 of temperature-controllable is installed, to ensure that engine is in two spark plugs 5 under at least one spark plug Normal ignition under cold starting environment.Heating component can be all installed under two spark plugs according to actual conditions, heated Component is conventional electric heating device.
Operationally, fuel injector is pre- first in main chamber for two-stroke in-cylinder direct-jet piston engine of the present utility model Spray forms thin gaseous mixture, and then secondary into precombustion chamber to spray into the denseer gaseous mixture of fuel oil formation, spark plug is in precombustion chamber Middle igniting, completely burning are completed in main combustion chamber.Combustion chamber and twice composite injection control of the utility model by composite construction System strategy, the fuel concentration formed in main combustion chamber and precombustion chamber in the combustion mixture of layering air-fuel ratio combination, precombustion chamber is big In the fuel concentration in main combustion chamber, so as to form stratified combustion in combustion chamber, the cold-start performance and height of engine are improved The capability of antidetonance under warm condition of work.
Two-stroke in-cylinder direct-jet piston engine for can array be set to cylinder straight engine, or be horizontally disposed with into For cylinder pancake engine, and the different application occasion applied to single cylinder or multi-cylinder can be corresponded to as needed respectively.This hair Bright two-stroke in-cylinder direct fuel-injection engine can also need to be set to different angle arrangements according to concrete application.
Embodiment two:
As shown in Figure 4, Figure 5, two-stroke in-cylinder direct-jet piston engine of the present utility model, including cylinder body 1, cylinder head 2, Piston 3, fuel injector 4, spark plug 5, air intake duct, exhaust duct, scavenging air belt 6 and crankcase, wherein cylinder block and head are combined Cylinder is formed, piston is arranged on cylinder interior and connects bent axle, and combustion chamber, fuel injector and spark are formed between cylinder head and piston The front end of plug is mounted in combustion chamber, and air intake duct is arranged on cylinder body with exhaust duct, scavenging air belt connection cylinder and crankcase, Combustion chamber includes interconnected main combustion chamber 7, precombustion chamber 8, and top carries the piston of pit 9;Precombustion chamber is hemispherical knot Structure, the top positioned at combustion chamber, main combustion chamber is inverted disc structure, the bottom positioned at combustion chamber;Fuel injector and spark plug Front end is separately positioned in precombustion chamber.
Precombustion chamber is coaxially disposed with the pit on piston, and main combustion chamber is set with cylinder coaxial, the inwall of precombustion chamber and main combustion Wedge angle can not be formed by being seamlessly transitted between the inwall of room between main combustion chamber and precombustion chamber;Cooling jacket is set outside main combustion chamber and precombustion chamber 10, it is that cylinder is cooled down.
The central shaft of precombustion chamber is eccentric relative to the axial scavenging air belt side of cylinder, and the pit on piston is relative to piston centre Axle is eccentric pit, and the central shaft of eccentric pit and precombustion chamber is still to be coaxially disposed.
Fuel injector 4 is installed vertically on the middle position of precombustion chamber 8, and spark plug can also be arranged in pairs to be single, pacify in figure Spark plug 5 mounted in precombustion chamber is arranged in pairs, axially symmetric setting of two spark plugs along fuel injector.
Fuel injector is that low-pressure compressed air aids in direct-injection nozzle, and the outside of compressed air hose 11 of fuel injector connection sets temperature The cooling jacket of the controllable heating external member of degree and embedded cylinder body.External member is heated in cold start to the compressed air into combustion chamber Preheated, heating mantle can be from conventional Electric heatings such as PTC heating tubes, thermistor heating tubes.When engine just Often work, when the temperature of cooling jacket rises, can carry out heat exchange with compressed air inner air tube by cooling jacket and enter Row heating.
The heating component 13 of temperature-controllable is installed, to ensure that it is low that engine is in two spark plugs under at least one spark plug Normal ignition under warm cold start environment.Heating component, heating group can be all installed under two spark plugs according to actual conditions Part is conventional electric heating device.
Operationally, fuel injector is pre- first in main chamber for two-stroke in-cylinder direct-jet piston engine of the present utility model Spray forms thin gaseous mixture, and then secondary into precombustion chamber to spray into the denseer gaseous mixture of fuel oil formation, spark plug is in precombustion chamber Middle igniting, completely burning are completed in main combustion chamber.Combustion chamber and twice composite injection control of the utility model by composite construction System strategy, the fuel concentration formed in main combustion chamber and precombustion chamber in the combustion mixture of layering air-fuel ratio combination, precombustion chamber is big In the fuel concentration in main combustion chamber, so as to form stratified combustion in combustion chamber, the cold-start performance and height of engine are improved The capability of antidetonance under warm condition of work.
Two-stroke in-cylinder direct-jet piston engine for can array be set to cylinder straight engine, or be horizontally disposed with into For cylinder pancake engine, and the different application occasion applied to single cylinder or multi-cylinder can be corresponded to as needed respectively.This hair Bright two-stroke in-cylinder direct fuel-injection engine can also need to be set to different angle arrangements according to concrete application.
In the horizontally-opposed two-stroke in-cylinder direct-jet piston engine of cylinder as shown in Figure 6, opposed point of row of two cylinders Left and right, respectively including cylinder body 1, cylinder head 2, piston 3, fuel injector(Block not shown), spark plug 5, air intake duct, exhaust duct and sweep Air flue 6, the common mechanism that crankcase 14 is put in being, wherein each cylinder block and head is combined to form cylinder, piston is arranged on Each cylinder interior simultaneously connects bent axle 16 by connecting rod 15, forms combustion chamber between cylinder head and piston, fuel injector and spark plug 5 Front end is mounted in combustion chamber, and air intake duct is arranged on cylinder body with exhaust duct, and the scavenging air belt of each cylinder is positioned at horizontally-opposed Cylinder upper end, connection cylinder and crankcase, combustion chamber includes interconnected main combustion chamber 7, precombustion chamber 8, and top is carried The piston 3 of pit 9;Precombustion chamber is hemispherical configuration, the top positioned at combustion chamber, and main combustion chamber is inverted disc structure, is located at The bottom of combustion chamber;The front end of fuel injector and spark plug is separately positioned in precombustion chamber;The central shaft of precombustion chamber is relative to cylinder Axial scavenging air belt side is eccentric, i.e., eccentric to the surface of cylinder axis, makes mixing for fuel injector deviation top injection fuel oil and machine oil Oil is closed, to improve the attachment thickness of machine oil on cylinder liner, and then is lifted recessed on the degree of lubrication between piston and cylinder sleeve, piston Hole is eccentric pit relative to piston middle spindle, and the central shaft of eccentric pit and precombustion chamber is is coaxially disposed.
Precombustion chamber is coaxially disposed with the pit on piston, and main combustion chamber is set with cylinder coaxial, the inwall of precombustion chamber and main combustion Wedge angle can not be formed by being seamlessly transitted between the inwall of room between main combustion chamber and precombustion chamber;Cooling jacket is set outside main combustion chamber and precombustion chamber 10, it is that cylinder is cooled down.
Fuel injector is installed vertically on each precombustion chamber middle position, and fuel injector is coaxially disposed with precombustion chamber and eccentric pit, fire Flower plug be able to can be also arranged in pairs to be single, and the spark plug in figure installed in same precombustion chamber is arranged in pairs, the spray of two spark plugs edge The axially symmetric setting of oily device.
The heating component of temperature-controllable is installed, to ensure in two spark plugs in same precombustion chamber under at least one spark plug Engine is in the normal ignition under cold starting environment.
The heating component 13 of temperature-controllable is installed, to ensure that engine is just under low-temperature condition at the crankcase 14 of engine Often operating.Heating component is conventional electric heating device.
Crankcase porch 23 set lube spray 17, the injection direction of lube spray towards crankcase 14, Lube spray is connected with fuel tank, the miscella of injection fuel oil and machine oil, during work, and lube spray will be mixed Oil is injected directly into crankcase, so that all parts such as bent axle for engine are lubricated.
Lube spray 17 is connected with oily rail 18, and the two ends of oily rail connect oil pressure regulator 19 and oil pump 20 respectively, Oil pressure in oil pump connection fuel tank and fuel feeding, the oily rail of oil pressure regulator regulation, so as to adjust lube spray ejection Machine oil hydraulic, is easy to control the spray pattern of machine oil.
Multiple tooth target flywheel 21 is installed, target flywheel is rotated with crankshaft-synchronous, by crankcase body on engine crankshaft On be symmetrically installed the detection engine rotational speed signal and top stopping point Angle Position of sensor 22 of setting.Sensor is magnetic-electric sensing Device or Hall sensor.
It is described above, only it is preferred embodiment of the present utility model, not makees any formal to the utility model Limitation, although the utility model is disclosed as above with preferred embodiment, however, be not limited to the utility model, any Those skilled in the art, are not departing from the range of technical solutions of the utility model, certainly can be using in the technology disclosed Appearance makes a little change or modification, the equivalent embodiment as equivalent variations, as long as being without departing from technical solutions of the utility model Content, any simple modification, equivalent variations and the modification made according to technical spirit of the present utility model to above example, Belong in the range of technical solutions of the utility model.

Claims (10)

1. a kind of two-stroke in-cylinder direct-jet piston engine, including cylinder body, cylinder head, piston, fuel injector, spark plug, air intake duct, Exhaust duct, scavenging air belt and crankcase, wherein cylinder block and head are combined to form cylinder, and piston is arranged on cylinder interior and company Bent axle is connect, combustion chamber is formed between cylinder head and piston, the front end of fuel injector and spark plug is mounted in combustion chamber, air inlet Road is arranged on cylinder body with exhaust duct, scavenging air belt connection cylinder and crankcase, it is characterised in that:Combustion chamber is composite construction, bag Include interconnected main combustion chamber, precombustion chamber, and the dimpled piston of top tape;Precombustion chamber is hemispherical configuration, positioned at burning The top of room, main combustion chamber is inverted disc structure, the bottom positioned at combustion chamber;The front end of fuel injector and spark plug is set respectively In precombustion chamber.
2. two-stroke in-cylinder direct-jet piston engine according to claim 1, it is characterised in that:In precombustion chamber and piston Pit is coaxially disposed, and main combustion chamber is set with cylinder coaxial, is seamlessly transitted between the inwall of precombustion chamber and the inwall of main combustion chamber;Main combustion chamber With cooling jacket is set outside precombustion chamber.
3. two-stroke in-cylinder direct-jet piston engine according to claim 2, it is characterised in that:The central shaft phase of precombustion chamber Eccentric for the axial scavenging air belt side of cylinder, pit on piston is eccentric pit relative to piston middle spindle.
4. the two-stroke in-cylinder direct-jet piston engine according to Claims 2 or 3, it is characterised in that:Fuel injector is vertically pacified Loaded on precombustion chamber middle position, the spark plug installed in precombustion chamber is arranged in pairs, and two spark plugs are set along the axially symmetric of fuel injector Put.
5. two-stroke in-cylinder direct-jet piston engine according to claim 4, it is characterised in that:Fuel injector forces for low pressure Contracting air aids in setting the heating external member and embedded cylinder body of temperature-controllable outside direct-injection nozzle, the compressed air hose of fuel injector connection Cooling jacket.
6. two-stroke in-cylinder direct-jet piston engine according to claim 5, it is characterised in that:At least one in two spark plugs The heating component of temperature-controllable is installed under branch spark plug.
7. two-stroke in-cylinder direct-jet piston engine according to claim 6, it is characterised in that:At the crankcase of engine The heating component of temperature-controllable is installed.
8. the two-stroke in-cylinder direct-jet piston engine according to claim 1 or 7, it is characterised in that:Crankcase porch Lube spray is set, and the injection direction of lube spray is towards crankcase.
9. two-stroke in-cylinder direct-jet piston engine according to claim 8, it is characterised in that:Installed on engine crankshaft Multiple tooth target flywheel, engine rotational speed signal and top dead centre phase are detected by the sensor that setting is symmetrically installed on crankcase body Azimuth position.
10. the two-stroke in-cylinder direct-jet piston engine according to claim 1 or 9, it is characterised in that:Above-mentioned two-stroke cylinder Interior direct-injection piston engine is cylinder straight engine or cylinder pancake engine.
CN201720119996.7U 2017-02-09 2017-02-09 Two-stroke in-cylinder direct-jet piston engine Active CN206608235U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762127A (en) * 2017-02-09 2017-05-31 天津内燃机研究所(天津摩托车技术中心) Two-stroke in-cylinder direct fuel-injection engine
CN108930591A (en) * 2018-07-13 2018-12-04 西安天问智能科技有限公司 A kind of two stroke engine
CN110761889A (en) * 2019-09-30 2020-02-07 广西擎芯动力科技有限公司 Ignition type two-stroke heavy oil direct injection engine combustion chamber in cylinder
CN112211713A (en) * 2019-07-11 2021-01-12 曼能源解决方案公司(德国曼能源解决方案股份公司子公司) Internal combustion engine
CN112211720A (en) * 2019-07-11 2021-01-12 曼能源解决方案公司(德国曼能源解决方案股份公司子公司) Internal combustion engine
CN115324723A (en) * 2022-10-14 2022-11-11 潍柴动力股份有限公司 Combustion system and gas engine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762127A (en) * 2017-02-09 2017-05-31 天津内燃机研究所(天津摩托车技术中心) Two-stroke in-cylinder direct fuel-injection engine
CN108930591A (en) * 2018-07-13 2018-12-04 西安天问智能科技有限公司 A kind of two stroke engine
CN112211713A (en) * 2019-07-11 2021-01-12 曼能源解决方案公司(德国曼能源解决方案股份公司子公司) Internal combustion engine
CN112211720A (en) * 2019-07-11 2021-01-12 曼能源解决方案公司(德国曼能源解决方案股份公司子公司) Internal combustion engine
CN112211713B (en) * 2019-07-11 2021-12-21 曼能源解决方案公司(德国曼能源解决方案股份公司子公司) Internal combustion engine
CN110761889A (en) * 2019-09-30 2020-02-07 广西擎芯动力科技有限公司 Ignition type two-stroke heavy oil direct injection engine combustion chamber in cylinder
CN115324723A (en) * 2022-10-14 2022-11-11 潍柴动力股份有限公司 Combustion system and gas engine
CN115324723B (en) * 2022-10-14 2023-03-21 潍柴动力股份有限公司 Combustion system and gas engine

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