CN112879155A - Valve type air inlet two-stroke engine - Google Patents

Valve type air inlet two-stroke engine Download PDF

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Publication number
CN112879155A
CN112879155A CN202110163459.3A CN202110163459A CN112879155A CN 112879155 A CN112879155 A CN 112879155A CN 202110163459 A CN202110163459 A CN 202110163459A CN 112879155 A CN112879155 A CN 112879155A
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CN
China
Prior art keywords
air inlet
cylinder
valve
cylinder body
exhaust passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110163459.3A
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Chinese (zh)
Inventor
张伟
陈明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Shengruike Intelligent Technology Partnership LP
Original Assignee
Beijing Shengruike Intelligent Technology Partnership LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Shengruike Intelligent Technology Partnership LP filed Critical Beijing Shengruike Intelligent Technology Partnership LP
Priority to CN202110163459.3A priority Critical patent/CN112879155A/en
Publication of CN112879155A publication Critical patent/CN112879155A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04Cooling of air intake supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02Drives of pumps; Varying pump drive gear ratio
    • F02B39/08Non-mechanical drives, e.g. fluid drives having variable gear ratio
    • F02B39/10Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/1015Air intakes; Induction systems characterised by the engine type
    • F02M35/1019Two-stroke engines; Reverse-flow scavenged or cross scavenged engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The invention provides a valve type air inlet two-stroke engine, wherein an air inlet valve, a VVT (variable valve timing), a roller rocker arm, a camshaft, a hydraulic tappet, a spark plug and an oil injector are respectively fixed on a cylinder cover; the intercooler is fixed in the intake manifold; the air inlet filter is connected with an electronic supercharger, the electronic supercharger is connected with an air inlet manifold, the air inlet manifold is connected with a cylinder body, and the oil pump and the cylinder body exhaust passage are respectively fixed on the cylinder body; the lower edge of the exhaust passage of the cylinder body is flush with the position of the piston top surface at the lower dead center; the three-way catalyst is connected with the exhaust passage of the cylinder body in a pipeline mode; the air inlet valve, the spark plug, the oil injector, the piston, the cylinder cover and the surface of the cylinder body part form a combustion chamber, the air inlet valve is used for air inlet, a variable cam phase system is matched, a scavenging window is expanded, and the scavenging efficiency is improved; a high-pressure in-cylinder direct injection system is used, so that the in-cylinder temperature is reduced, and the fuel atomization efficiency is improved; pressure lubrication is used instead of spray lubrication, HC emission is reduced, and the same level of emission of a four-stroke engine is achieved.

Description

Valve type air inlet two-stroke engine
Technical Field
The invention relates to the technical field of engines, in particular to a valve type air inlet two-stroke engine.
Background
The current small two-stroke engine is mainly in a crankcase scavenging type, fuel is added, and meanwhile, lubricating oil with a fixed proportion is mixed for spray lubrication, so that the combustion efficiency is low, the emission is poor, and the work is rough; the scavenging mode of the crankcase is mainly transverse flow and backflow type, is limited by the structure, the scavenging phase is fixed, the scavenging efficiency is low, and the application to the passenger car environment with strict emission cannot be further improved.
Disclosure of Invention
In order to solve the problems, the invention provides a valve type air inlet two-stroke engine which uses valve type air inlet and is matched with a variable cam phase system to expand a scavenging window and improve scavenging efficiency; a high-pressure in-cylinder direct injection system is used, so that the in-cylinder temperature is reduced, and the fuel atomization efficiency is improved; an electronic external supercharger is used, so that efficient and flexible supercharging is realized, mechanical friction loss is reduced, and a throttle valve is replaced; pressure lubrication is used instead of spray lubrication, HC emission is reduced, and the same level of emission of a four-stroke engine is achieved.
The technical scheme of the invention is as follows: the valve type air inlet two-stroke engine comprises an air inlet air filter, an electronic supercharger, an air inlet manifold, an intercooler, an air inlet valve, a VVT (variable valve timing), a roller rocker arm, a camshaft, a hydraulic tappet, a spark plug, an oil injector, a piston, a cylinder cover, a cylinder body, an oil pump, a cylinder body exhaust passage and a three-way catalyst, wherein the air inlet valve, the VVT, the roller rocker arm, the camshaft, the hydraulic tappet, the spark plug and the oil injector are respectively fixed on the cylinder cover; the intercooler is fixed in the intake manifold; the air inlet filter is connected with an electronic supercharger, the electronic supercharger is connected with an air inlet manifold, the air inlet manifold is connected with a cylinder body, and the oil pump and the cylinder body exhaust passage are respectively fixed on the cylinder body; the lower edge of the exhaust passage of the cylinder body is flush with the position of the piston top surface at the lower dead center; the three-way catalyst is connected with the exhaust passage of the cylinder body in a pipeline mode; the intake valve, spark plug, fuel injector, piston, cylinder cover and cylinder body part surface form combustion chamber.
Further, when the engine works, air enters the electronic supercharger through the air inlet filter, the temperature is increased under the compression of the electronic supercharger, the air further enters the air inlet manifold, the air inlet temperature is reduced through the water-cooled intercooler, the air inlet channel of the air inlet engine is supported by the roller rocker arm and the hydraulic tappet under the control of the camshaft, the air inlet valve is opened, and a fresh charge enters the cylinder due to the fact that the pressure in the air inlet channel is higher than the pressure in the cylinder.
Further, in the initial stage of air intake, the piston does not completely close the exhaust passage of the cylinder body, the air intake and the exhaust are simultaneously opened, the flow of scavenging air in the cylinder body is promoted, the exhaust efficiency of exhaust gas is improved, after the exhaust passage of the cylinder body is completely closed, the piston continues to move upwards, the air inlet valve is closed, the gas in the cylinder is compressed, the high-pressure oil injector starts oil injection before and after the air inlet valve is closed, the fuel oil is mixed with the air in the cylinder, as the piston moves upwards to be close to an upper dead point, the spark plug is ignited, the combustible mixed gas in the cylinder is combusted, the piston is pushed to move downwards to do work, the exhaust port.
Further, the intercooler is a water-cooling intercooler.
Furthermore, the electronic supercharger is connected with the intake manifold through a plastic or metal pipeline.
Furthermore, the air filter is connected with the electronic supercharger through a plastic or metal pipeline.
Compared with the prior art, the invention has the beneficial effects that: the valve type air inlet is used, and a variable cam phase system is matched, so that a scavenging window is expanded, and the scavenging efficiency is improved; valve type air inlet of an air inlet valve is adopted, and a variable cam phase VVT system is matched, so that a scavenging window is expanded, and scavenging efficiency is improved; according to the traditional crankcase scavenging, the opening and closing of an exhaust port of a cylinder body are controlled by the position of a crankshaft rotary piston, the intake and exhaust phases are completely symmetrical or basically symmetrical, the phases are fixed and cannot be adjusted, the scavenging window is short, the fuel oil atomization time is also limited, and valve type intake is matched with variable phase VVT (variable valve timing) to realize the optimal scavenging phases at different working points and improve the scavenging efficiency; the high-pressure in-cylinder direct injection fuel injector system is used, so that the in-cylinder temperature is reduced, and the fuel atomization efficiency is improved; the high-pressure in-cylinder direct injection corresponds to the traditional PFI or low-pressure in-cylinder direct injection, can reduce the temperature in the cylinder, is beneficial to improving the compression ratio, has good high-pressure atomization performance, is limited by two-stroke short atomization time, and realizes quick mixing; the electronic supercharger is used, so that efficient and flexible supercharging is realized, mechanical friction loss is reduced, and a throttle valve is replaced; the electronic supercharger has fast response and adjustable full map, can obtain the lowest oil consumption gain of each rotating speed point, cancel the throttle valve and reduce the throttle loss of the throttle valve; the mechanical friction loss is low, and the thermal efficiency is further improved; the engine oil pressure is provided by the engine oil pump, spray lubrication is replaced by pressure lubrication, HC emission is reduced, the same-level emission pressure lubrication of the four-stroke engine is obtained to replace the traditional spray lubrication, the four-stroke conventional lubricating oil is used, the risk of fuel dilution is avoided, unburned HC emission is reduced, the risk of cylinder scuffing is reduced, and durability is improved.
Drawings
The invention is further illustrated below with reference to the figures:
FIG. 1 is a block diagram of the present invention;
shown in FIG. 1: 1. the device comprises an air inlet filter, 2, an electronic supercharger, 3, an air inlet manifold, 4, an intercooler, 5, an air inlet valve, 6, VVT, 7, a roller rocker arm, 8, a camshaft, 9, a hydraulic tappet, 10, a spark plug, 11, an oil injector, 12, a piston, 13, a cylinder cover, 14, a cylinder body, 15, an oil pump, 16, a cylinder body exhaust passage, 17 and a three-way catalyst.
Detailed Description
The present invention will be described in further detail with reference to the drawings, which are only for explaining the present invention and are schematic illustrations of the embodiments of the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "fixed" and "mounted" are to be construed broadly, e.g., as being fixedly attached, detachably attached, or integrally attached; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a valve type intake two-stroke engine includes an intake air filter 1, an electronic supercharger 2, an intake manifold 3, an intercooler 4, an intake valve 5, a VVT6, a roller rocker arm 7, a camshaft 8, a hydraulic tappet 9, a spark plug 10, an injector 11, a piston 12, a cylinder head 13, a cylinder 14, an oil pump 15, a cylinder exhaust passage 16, and a three-way catalyst 17, where the intake valve 5, the VVT6, the roller rocker arm 7, the camshaft 8, the hydraulic tappet 9, the spark plug 10, and the injector 11 are respectively fixed on the cylinder head 13; the intercooler 4 is fixed in the intake manifold 3; the air filter 1 is connected with the electronic supercharger 2, the electronic supercharger 2 is connected with the air inlet manifold 3, the air inlet manifold 3 is connected with the cylinder 14, and the oil pump 15 and the cylinder exhaust passage 16 are respectively fixed on the cylinder 14; the lower edge of the cylinder exhaust passage 16 is flush with the position of the top surface of the piston 12 at the bottom dead center; the three-way catalyst 17 is connected with the cylinder exhaust passage 16 in a pipeline mode; the intake valve 5, the spark plug 10, the fuel injector 11, the piston 12, the cylinder cover 13 and part of the surface of the cylinder 14 form a combustion chamber;
the air inlet filter 1 is connected with the electronic supercharger 2 by a plastic or metal pipeline;
the electronic supercharger 2 is connected with the intake manifold 3 by a plastic or metal pipeline;
the intercooler 4 is a water-cooling intercooler;
when the engine works, air enters the electronic supercharger 2 from the air inlet filter 1, the temperature is increased under the compression of the electronic supercharger 2, the air further enters the air inlet manifold 3, the air inlet temperature is reduced through the water-cooled intercooler 4, the air inlet channel of the air inlet engine is supported by the roller rocker arm 7 and the hydraulic tappet 9 under the control of the camshaft 8, the air inlet valve 5 is opened, and the pressure in the air inlet channel is higher than the pressure in a cylinder, so that fresh charge enters the cylinder.
In the initial stage of air intake, the piston 12 does not completely close the cylinder exhaust passage 16, air intake and exhaust are simultaneously opened, scavenging flow in the cylinder 14 is promoted, exhaust efficiency is improved, after the cylinder exhaust passage 16 is completely closed, the piston 12 continues to move upwards, the air inlet valve 5 is closed, gas in the cylinder is compressed, the high-pressure oil injector 11 starts oil injection before and after the air inlet valve 5 is closed, fuel oil is mixed with air in the cylinder, the spark plug 10 ignites as the piston 12 moves upwards to be close to a top dead center, combustible mixed gas in the cylinder burns to push the piston 12 to move downwards to do work, the exhaust port of the cylinder exhaust passage 16 is opened in the final stage of work, and combustion exhaust gas is discharged, enters the three.
Valve type air inlet of an air inlet valve 5 is matched with a variable cam phase VVT6 system, so that a scavenging window is expanded, and scavenging efficiency is improved; according to the traditional crankcase scavenging, the opening and closing of an air port of an exhaust passage 16 of a cylinder body are controlled by the position of a rotary piston of a crankshaft, the air inlet and exhaust phases are completely symmetrical or basically symmetrical, the phases are fixed and can not be adjusted, a scavenging window is short, the fuel oil atomization time is also limited, valve type air inlet is matched with a variable phase VVT6, the optimal scavenging phases of different working condition points are realized, and the scavenging efficiency is improved;
the system of the direct injection fuel injector 11 in the high-pressure cylinder is used, so that the temperature in the cylinder is reduced, and the fuel atomization efficiency is improved; the high-pressure in-cylinder direct injection corresponds to the traditional PFI or low-pressure in-cylinder direct injection, can reduce the temperature in the cylinder, is beneficial to improving the compression ratio, has good high-pressure atomization performance, is limited by two-stroke short atomization time, and realizes quick mixing;
the electronic supercharger 2 is used for realizing efficient and flexible supercharging and simultaneously reducing mechanical friction loss, and replaces a throttle valve; the electronic supercharger 2 has fast response and adjustable full map, can obtain the lowest oil consumption gain of each rotating speed point, cancel the throttle valve and reduce the throttle loss of the throttle valve; the mechanical friction loss is low, and the thermal efficiency is further improved;
the engine oil pressure is provided by the engine oil pump 15, the spray lubrication is replaced by pressure lubrication, HC emission is reduced, the same-level emission pressure lubrication of the four-stroke engine is obtained to replace the traditional spray lubrication, the four-stroke conventional lubricating oil is used, the risk of fuel dilution is avoided, unburned HC emission is reduced, the risk of cylinder scuffing is reduced, and durability is improved.
The invention has reasonable structure, uses valve type air inlet and is matched with a variable cam phase system to expand a scavenging window and improve scavenging efficiency; a high-pressure in-cylinder direct injection system is used, so that the in-cylinder temperature is reduced, and the fuel atomization efficiency is improved; an electronic external supercharger is used, so that efficient and flexible supercharging is realized, mechanical friction loss is reduced, and a throttle valve is replaced; pressure lubrication is used instead of spray lubrication, HC emission is reduced, and the same level of emission of a four-stroke engine is achieved.
The above description is illustrative of the present invention and is not to be construed as limiting thereof, as numerous modifications and variations therein will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. A valve-intake two-stroke engine characterized by: the device comprises an air inlet filter (1), an electronic supercharger (2), an air inlet manifold (3), an intercooler (4), an air inlet valve (5), a VVT (6), a roller rocker arm (7), a camshaft (8), a hydraulic tappet (9), a spark plug (10), an oil injector (11), a piston (12), a cylinder cover (13), a cylinder body (14), an oil pump (15), a cylinder body exhaust passage (16) and a three-way catalyst (17), wherein the air inlet valve (5), the VVT (6), the roller rocker arm (7), the camshaft (8), the hydraulic tappet (9), the spark plug (10) and the oil injector (11) are respectively fixed on the cylinder cover (13); the intercooler (4) is fixed in the intake manifold (3); the air inlet filter (1) is connected with an electronic supercharger (2), the electronic supercharger (2) is connected with an air inlet manifold (3), the air inlet manifold (3) is connected with a cylinder body (14), and an oil pump (15) and a cylinder body exhaust passage (16) are respectively fixed on the cylinder body (14); the lower edge of the cylinder exhaust passage (16) is flush with the position of the top surface of the piston (12) at the bottom dead center; the three-way catalyst (17) is connected with the cylinder exhaust passage (16) in a pipeline manner; the air inlet valve (5), the spark plug (10), the fuel injector (11), the piston (12), the cylinder cover (13) and part of the surface of the cylinder body (14) form a combustion chamber.
2. A valve intake two stroke engine according to claim 1, wherein: when the engine works, air enters the electronic supercharger (2) through the air inlet filter (1), the temperature rises under the compression of the electronic supercharger (2), the air further enters the air inlet manifold (3), the air inlet temperature is reduced through the water-cooled intercooler (4), the air inlet channel of the air inlet engine is supported by the roller rocker arm (7) and the hydraulic tappet (9) under the control of the camshaft (8), the air inlet valve (5) is opened, and a fresh charge enters the cylinder due to the fact that the pressure in the air inlet channel is higher than the pressure in the cylinder.
3. A valve intake two stroke engine according to claim 1, wherein: in the initial stage of air inlet, the piston (12) does not completely close the cylinder exhaust passage (16), air inlet and exhaust are simultaneously opened, scavenging flow in the cylinder (14) is promoted, exhaust efficiency of waste gas is improved, after the cylinder exhaust passage (16) is completely closed, the piston (12) continues to move upwards, the air inlet valve (5) is closed, gas in the cylinder is compressed, the high-pressure oil injector (11) starts oil injection before and after the air inlet valve (5) is closed, fuel oil is mixed with air in the cylinder, the spark plug (10) ignites as the piston (12) moves upwards to be close to an upper dead center, combustible mixed gas in the cylinder is combusted, the piston (12) is pushed to do work downwards, the exhaust port of the cylinder exhaust passage (16) in the last stage of work is opened, and waste gas generated by combustion.
4. A valve intake two stroke engine according to claim 1, wherein: the intercooler (4) is a water-cooling intercooler.
5. A valve intake two stroke engine according to claim 1, wherein: the electronic supercharger (2) is connected with the intake manifold (3) through a plastic or metal pipeline.
6. A valve intake two stroke engine according to claim 1, wherein: the air filter (1) is connected with the electronic supercharger (2) through a plastic or metal pipeline.
CN202110163459.3A 2021-02-05 2021-02-05 Valve type air inlet two-stroke engine Pending CN112879155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110163459.3A CN112879155A (en) 2021-02-05 2021-02-05 Valve type air inlet two-stroke engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110163459.3A CN112879155A (en) 2021-02-05 2021-02-05 Valve type air inlet two-stroke engine

Publications (1)

Publication Number Publication Date
CN112879155A true CN112879155A (en) 2021-06-01

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2130928Y (en) * 1992-03-04 1993-04-28 马真理 Two-stroke engine
JPH1193710A (en) * 1997-09-24 1999-04-06 Nissan Motor Co Ltd Exhaust valve control device of 2-stroke diesel engine with supercharger
US20070089697A1 (en) * 2005-10-20 2007-04-26 Hitachi, Ltd. Control apparatus for controlling internal combustion engines
CN2908811Y (en) * 2006-06-14 2007-06-06 熊小新 Two-stroke gasoline engine
CN202441488U (en) * 2012-02-16 2012-09-19 临沂三禾永佳动力有限公司 Miniature two-stroke gas engine
CN103541809A (en) * 2013-09-30 2014-01-29 哈尔滨东安汽车发动机制造有限公司 Electronic pressurization system of automobile engine
CN104895633A (en) * 2014-03-07 2015-09-09 易安迪机车公司 Engine control system having quick-open valve timing
CN204738873U (en) * 2015-06-18 2015-11-04 陈志新 A two -stroke -cycle engine for car, motorcycle
CN107605590A (en) * 2017-10-30 2018-01-19 潍柴动力股份有限公司 The Electron pressurizing unit control system and Electron pressurizing unit of a kind of engine
CN211144632U (en) * 2019-10-28 2020-07-31 宁波吉利罗佑发动机零部件有限公司 Combustion chamber for engine, engine and vehicle

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2130928Y (en) * 1992-03-04 1993-04-28 马真理 Two-stroke engine
JPH1193710A (en) * 1997-09-24 1999-04-06 Nissan Motor Co Ltd Exhaust valve control device of 2-stroke diesel engine with supercharger
US20070089697A1 (en) * 2005-10-20 2007-04-26 Hitachi, Ltd. Control apparatus for controlling internal combustion engines
CN2908811Y (en) * 2006-06-14 2007-06-06 熊小新 Two-stroke gasoline engine
CN202441488U (en) * 2012-02-16 2012-09-19 临沂三禾永佳动力有限公司 Miniature two-stroke gas engine
CN103541809A (en) * 2013-09-30 2014-01-29 哈尔滨东安汽车发动机制造有限公司 Electronic pressurization system of automobile engine
CN104895633A (en) * 2014-03-07 2015-09-09 易安迪机车公司 Engine control system having quick-open valve timing
CN204738873U (en) * 2015-06-18 2015-11-04 陈志新 A two -stroke -cycle engine for car, motorcycle
CN107605590A (en) * 2017-10-30 2018-01-19 潍柴动力股份有限公司 The Electron pressurizing unit control system and Electron pressurizing unit of a kind of engine
CN211144632U (en) * 2019-10-28 2020-07-31 宁波吉利罗佑发动机零部件有限公司 Combustion chamber for engine, engine and vehicle

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