CN109899174A - A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine - Google Patents

A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine Download PDF

Info

Publication number
CN109899174A
CN109899174A CN201910228172.7A CN201910228172A CN109899174A CN 109899174 A CN109899174 A CN 109899174A CN 201910228172 A CN201910228172 A CN 201910228172A CN 109899174 A CN109899174 A CN 109899174A
Authority
CN
China
Prior art keywords
inlet duct
cylinder
spiral
cylinder cap
exhaust
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
CN201910228172.7A
Other languages
Chinese (zh)
Inventor
尧命发
赵旭敏
王浒
郑尊清
王燕
王梦玉
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.)
Tianjin University
Original Assignee
Tianjin University
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 Tianjin University filed Critical Tianjin University
Priority to CN201910228172.7A priority Critical patent/CN109899174A/en
Publication of CN109899174A publication Critical patent/CN109899174A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

The invention discloses a kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine, including cylinder and cylinder cap, composite air intake road is set on cylinder cap and two exhaust ducts, composite air intake road are made of spiral inlet duct and tangential inlet duct;Spiral inlet duct is made of spiral inlet duct entrance, direct current section, the downwards spiral section that spirals and spiral inlet duct outlet;Two exhaust ducts are parallel to each other, and the exhaust path inlet of two exhaust ducts is set on cylinder cap and is connected to cylinder interior, and the exhaust duct exit of two exhaust ducts, which is combined into one, to be connected;Cylinder cover bottom surface has spark plug, cylinder built-in piston, cylinder cover bottom surface, cylinder inner wall face and piston-top surface surround space as combustion chamber, and piston-top surface is set as whole in recessed Symmetrical Circular Arc face, and it is vertical with spiral inlet duct outlet and tangential inlet duct outlet bottom center's line that arc surface penetrates through direction.The present invention increases longitudinal Tumble intensity, improves turbulence intensity in cylinder, the turbulence intensity of especially close top dead centre spark-plug location.

Description

A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine
Technical field
The present invention relates to technical field of engines, more specifically, it relates to one kind to use gasoline instead on the basis of diesel engine The combustion system of ignition engine.
Background technique
The spark-ignition engine for using Fuel Petroleum instead on the basis of diesel engine can be using the high body of former diesel oil machine platform Intensity realizes the high-efficient cleaning within the scope of full working scope using the advanced combustion control technology such as high compression ratio, high pressure-charging, exhaust gas dilution Clean burning.However, the application effect of above-mentioned technology is heavily dependent on air motion and tubulence energy level in cylinder.It is existing Diesel oil machine platform mostly uses flat cylinder cap, spiral inlet duct and toroidal combustion chamber, and In-Cylinder Flow is based on being vortexed, main function It is the mixability and mixing rate to increase diesel oil and air, is not appropriate for the flame propagation of spark-ignition engine.When using instead When gasoline ignition, needs that the combustion system structure is further improved, improve the tubulence energy water in nearly top dead centre cylinder It is flat, flame propagation velocity is improved, pinking tendency is reduced.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides one kind and uses gasoline instead on the basis of diesel engine The combustion system of ignition engine breaks vortex field orderly in cylinder by the optimization design of air intake duct and chamber structure, increases Add longitudinal Tumble intensity, improves turbulence intensity in cylinder, the turbulence intensity of especially close top dead centre spark-plug location, to improve fire Flame propagation velocity reduces pinking tendency, improves maximum outbreak pressure in cylinder.
The purpose of the present invention is what is be achieved through the following technical solutions.
The present invention uses the combustion system of gasoline ignition engine, including cylinder and cylinder cap instead on the basis of diesel engine, described Cylinder cap top is provided with the composite air intake road being connected to cylinder interior and two exhaust ducts, and the composite air intake road is by spirally inlet air Road and tangential inlet duct composition;The spiral inlet duct by sequentially connected spiral inlet duct entrance, direct current section, downwards spiral Spiral section and spiral inlet duct outlet composition, the spiral inlet duct outlet is set on cylinder cap, and is connected to cylinder interior; The arrival end of the tangential inlet duct is tangential inlet duct entrance, and outlet end is tangential inlet duct outlet, the tangential inlet duct Outlet be arranged on cylinder cap, and be connected in cylinder;Two exhaust ducts are parallel to each other, the exhaust path inlet difference of two exhaust ducts It is set on cylinder cap and is connected to cylinder interior, the exhaust duct exit of two exhaust ducts, which is combined into one, to be connected;
The cylinder cover bottom surface center is equipped with spark plug, and piston, the cylinder cover bottom surface, gas are provided in the cylinder As combustion chamber, the piston-top surface is set as whole in recessed symmetrical circular arc in the space that inside wall of cylinder face and piston-top surface surround The perforation direction in face, the arc surface is exported with spiral inlet duct and tangential inlet duct outlet bottom center's line is vertical.
The first circular hole for fixing and being oriented to inlet valve valve rod is provided at the top of the spiral section of the spiral inlet duct, and First circular hole is located on the central axis of spiral inlet duct outlet.
The second circular hole for fixing and being oriented to inlet valve valve rod, and described are provided at the top of the tangential inlet duct Two circular holes are located on the central axis of tangential inlet duct outlet.
The third circular hole for fixing and being oriented to exhaust valve valve rod is provided at the top of two exhaust ducts, and described Third circular hole is located on the central axis of exhaust path inlet.
The spiral inlet duct entrance is consistent with the shape of tangential inlet duct entrance, the spiral inlet duct entrance, tangential Perpendicular where inlet mouth and exhaust duct outlet with cylinder cover bottom surface where horizontal plane.
Height of the horizontal median axis of the spiral inlet duct entrance between top surface of cylinder cover and the tangential inlet duct Height of the horizontal median axis of entrance between top surface of cylinder cover is identical, is the 50-60% of cylinder bore diameter.
The spiral inlet duct outlet and tangential inlet duct outlet are using a radial center axis of cylinder cap as a symmetry axis left side Right symmetrical, two exhaust path inlets are distributed by symmetry axis bilateral symmetry of the same radial center axis of cylinder cap.
The radius of the arc surface of the piston-top surface is the 90-97% of cylinder bore diameter, the lower recess of the piston-top surface Depth capacity is the 8-15% of cylinder bore diameter.
The composite air intake road or cylinder cover bottom surface are provided with fuel delivery and spraying system.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
The present invention is to pass through spiral inlet duct and tangential inlet duct on the basis of retaining original diesel engine flat cylinder cap Design forms inclined-axis swirl in cylinder, and the whole recessed circular arc piston-top surface of cooperation is realized the guidance to air motion, effectively mentioned Longitudinal Tumble intensity and holding capacity in high cylinder, and then increase nearly top dead centre by the way that compression stroke latter stage large scale tumble flow is broken The turbulence intensity of turbulence intensity in cylinder, especially spark plug ignition position reduces pinking to accelerate flame transmission speed Tendency improves maximum outbreak pressure in cylinder so that engine use instead can still realize after Fuel Petroleum the relatively high thermal efficiency and Power per liter guarantees that engine still has preferable dynamic property and economy after using Fuel Petroleum instead, meets it medium and heavy The application requirement of commercial vehicle or extended-range hybrid power system.
Detailed description of the invention
Fig. 1 is entering and exhaust channel overall structure and arrangement schematic diagram in combustion system of the present invention;
Fig. 2 is sectional view of the combustion system of the present invention in Section A-A;
Fig. 3 is sectional view of the combustion system of the present invention in section B-B.
Appended drawing reference: 1 spiral inlet duct, 2 tangential inlet ducts, 3-1 spiral inlet duct entrance, 3-2 tangential inlet duct entrance, 4 direct current sections, 5 spiral sections, the outlet of 6-1 spiral inlet duct, the outlet of 6-2 tangential inlet duct, the first circular hole of 7-1, the second circular hole of 7-2,8 Cylinder cap, 9 exhaust ducts, the outlet of 10 exhaust ducts, 11 exhaust path inlets, 12 spark plugs, 13 cylinders, 14 pistons, 15 third circular holes.
Specific embodiment
For the functional structure that the present invention is further explained, the present invention is made with preferred embodiment with reference to the accompanying drawing detailed Illustrate, it is to be understood that the protection scope of the present invention is not limited by the specific implementation manner.
As shown in Figure 1 to Figure 3, the present invention uses the combustion system of gasoline ignition engine instead on the basis of diesel engine, including Cylinder 13, cylinder cap 8, composite air intake road, two exhaust ducts 9, spark plug 12, fuel delivery and spraying system.The composite air intake Road and two exhaust ducts 9 are set to 8 top of cylinder cap, and be connected to inside cylinder 13.
The composite air intake road is made of spiral inlet duct 1 and tangential inlet duct 2, and positioned opposite with exhaust duct 9.It is described Spiral inlet duct 1 by sequentially connected spiral inlet duct entrance 3-1, direct current section 4, the downwards spiral section 5 that spirals and spiral into Air passage outlet 6-1 composition, spiral inlet duct outlet 6-1 are set on cylinder cap 8, and be connected to inside cylinder 13.The spiral shell One is provided at the top of the spiral section 5 of precession air flue 1 for fixing and being oriented to the first circular hole 7-1 of inlet valve valve rod, and described First circular hole 7-1 is located on the central axis of spiral inlet duct outlet 6-1.
The arrival end of the tangential inlet duct 2 is tangential inlet duct entrance 3-2, and the outlet end of the tangential inlet duct 2 is Tangential inlet duct exports 6-2.Tangential inlet duct outlet 6-2 is arranged on cylinder cap 8, and be connected to inside cylinder 13.It is described The top of tangential inlet duct 2 is provided with one for fixing and being oriented to the second circular hole 7-2 of inlet valve valve rod, and second circle Hole 7-2 is located on the central axis of tangential inlet duct outlet 6-2.
The spiral inlet duct entrance 3-1 is consistent with the shape of tangential inlet duct entrance 3-2, the spiral inlet duct entrance 3-1, tangential inlet duct entrance 3-2 and perpendicular where exhaust duct outlet 10 with 8 bottom surface of cylinder cap where horizontal plane. The spiral inlet duct outlet 6-1 and tangential inlet duct outlet 6-2 are using a radial center axis of cylinder cap 8 as symmetry axis or so Symmetrical, two exhaust path inlets 11 are distributed by symmetry axis bilateral symmetry of the same radial center axis of cylinder cap 8. Height H1 of the horizontal median axis of the spiral inlet duct entrance 3-1 between 8 top surface of cylinder cap enters with the tangential inlet duct Height H1 of the horizontal median axis of mouth 3-2 between 8 top surface of cylinder cap is identical, is the 50-60% of cylinder bore diameter D.
Two exhaust ducts 9 are parallel to each other, and the arrival end of two exhaust ducts 9 is exhaust path inlet 11, the row of two exhaust ducts 9 Air flue entrance 11 be respectively arranged on cylinder cap 8 and be connected to inside cylinder 13, close two at the exhaust duct outlet 10 of two exhaust ducts 9 It is connected for one.The top of two exhaust ducts 9 is provided with the third circular hole 15 for fixing and being oriented to exhaust valve valve rod, and institute Third circular hole 15 is stated to be located on the central axis of exhaust path inlet 11.
8 bottom surface of cylinder cap is horizontally disposed plane, is equipped with spark plug in 8 bottom center position of cylinder cap 12, the fuel delivery and spraying system are mounted on composite air intake road or 8 bottom surface of cylinder cap can be with.Setting in the cylinder 13 There is piston 14, the space that 8 bottom surface of cylinder cap, 13 inner wall of cylinder and 14 top surface of piston surround is as combustion chamber.The piston 14 top surfaces be set as it is whole in recessed symmetrical arc surface, the perforation direction of the arc surface and spiral inlet duct outlet 6-1 and It is vertical that tangential inlet duct exports 6-2 bottom center line.The radius of the arc surface of 14 top surface of piston is cylinder bore diameter D's 90-97%, the depth capacity of the lower recess of 14 top surface of piston are the 8-15% of cylinder bore diameter D.
Embodiment
The cylinder bore diameter D of engine is 85mm in the present embodiment, and compression ratio 12, cylinder cap 8 is Four valve structure.The spiral shell Revolve height H1 and the tangential inlet duct entrance 3-2 of the horizontal median axis of inlet mouth 3-1 between 8 top surface of cylinder cap Height H1 of the horizontal median axis between 8 top surface of cylinder cap is identical, is 51mm.Fuel delivery is mounted on compound with spraying system In air intake duct.As shown in Figures 2 and 3, the combustion chamber is surrounded by 8 bottom surface of cylinder cap, 13 inner wall of cylinder and 14 top surface of piston;Institute Stating 14 top surface of piston is whole in recessed symmetrical arc surface;As shown in Figure 1, the perforation direction of the arc surface and the spiral Air intake port 6-1 and tangential inlet duct outlet 6-2 bottom center line P are vertical;As shown in Fig. 2, the radius R of the arc surface For 81.3mm;The depth capacity H2 of the lower recess of 14 top surface of piston is 12mm.
Test effect: the present invention is on the basis of retaining original diesel engine flat cylinder cap, by using spiral and tangential Composite air intake road forms inclined-axis swirl, cooperation whole recessed circular arc piston-top surface guidance air motion and original machine phase in cylinder Than longitudinal Tumble intensity increases by 1.25 times in cylinder, and average tubulence energy level increases in -30 DEG C of AATDC (close to time of ignition), cylinder Add 21.3%, the turbulence of spark-plug location can increase 26.6%, to accelerate flame transmission speed, reduces pinking tendency, mentions Maximum outbreak pressure in high cylinder, so that engine can still realize the relatively high thermal efficiency and power per liter after using Fuel Petroleum instead.
Although above in conjunction with figure, invention has been described, and the invention is not limited to above-mentioned specific embodiment parties Formula, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are in this hair Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to guarantor of the invention Within shield.

Claims (9)

1. a kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine, including cylinder (13) and cylinder cap (8), It being characterized in that, cylinder cap (8) top is provided with the composite air intake road being connected to cylinder (13) inside and two exhaust ducts (9), The composite air intake road is made of spiral inlet duct (1) and tangential inlet duct (2);The spiral inlet duct (1) is by being sequentially connected Spiral inlet duct entrance (3-1), direct current section (4), the spiral section (5) to spiral downwards and spiral inlet duct export (6-1) group At the spiral inlet duct outlet (6-1) is set on cylinder cap (8), and is connected to cylinder (13) inside;The tangential inlet duct (2) arrival end is tangential inlet duct entrance (3-2), and outlet end is that tangential inlet duct exports (6-2), and the tangential admission is said Mouthful (6-2) is arranged on cylinder cap (8), and be connected in cylinder (13);Two exhaust ducts (9) are parallel to each other, two exhaust ducts (9) Exhaust path inlet (11) be respectively arranged on cylinder cap (8) and with cylinder (13) inside be connected to, the exhaust duct of two exhaust ducts (9) It is combined into one and is connected at outlet (10);
Cylinder cap (8) the bottom center position is equipped with spark plug (12), is provided with piston (14) in the cylinder (13), described The space that cylinder cap (8) bottom surface, cylinder (13) inner wall and piston (14) top surface surround is as combustion chamber, piston (14) top surface It is set as whole in recessed symmetrical arc surface, the perforation direction of the arc surface and spiral inlet duct outlet (6-1) and tangential Air intake port (6-2) bottom center line is vertical.
2. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist In spiral section (5) top of the spiral inlet duct (1) is provided with the first circular hole for fixing and being oriented to inlet valve valve rod (7-1), and first circular hole (7-1) is located on the central axis of spiral inlet duct outlet (6-1).
3. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist In being provided with the second circular hole (7-2) for fixing and being oriented to inlet valve valve rod, and institute at the top of the tangential inlet duct (2) The second circular hole (7-2) is stated to be located on the central axis of tangential inlet duct outlet (6-2).
4. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist In being provided with the third circular hole (15) for fixing and being oriented to exhaust valve valve rod, and institute at the top of two exhaust ducts (9) Third circular hole (15) is stated to be located on the central axis of exhaust path inlet (11).
5. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist In the spiral inlet duct entrance (3-1) is consistent with the shape of tangential inlet duct entrance (3-2), the spiral inlet duct entrance Perpendicular where (3-1), tangential inlet duct entrance (3-2) and exhaust duct outlet (10) with cylinder cap (8) bottom surface where water Plane is vertical.
6. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist In height of the horizontal median axis of the spiral inlet duct entrance (3-1) between cylinder cap (8) top surface and the tangential admission Height of the horizontal median axis of road entrance (3-2) between cylinder cap (8) top surface is identical, is the 50- of cylinder (13) internal diameter 60%.
7. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist In the spiral inlet duct exports (6-1) and tangential inlet duct outlet (6-2) with a radial center axis of cylinder cap (8) and is Symmetry axis bilateral symmetry is distributed, and two exhaust path inlets (11) are symmetrical with the same radial center axis of cylinder cap (8) Axis bilateral symmetry is distributed.
8. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist Under the 90-97% that the radius of, the arc surface of piston (14) top surface is cylinder (13) internal diameter, piston (14) top surface The depth capacity of recess is the 8-15% of cylinder (13) internal diameter.
9. the combustion system according to claim 1 for using gasoline ignition engine instead on the basis of diesel engine, feature exist In the composite air intake road or cylinder cap (8) bottom surface are provided with fuel delivery and spraying system.
CN201910228172.7A 2019-03-25 2019-03-25 A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine Pending CN109899174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910228172.7A CN109899174A (en) 2019-03-25 2019-03-25 A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910228172.7A CN109899174A (en) 2019-03-25 2019-03-25 A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine

Publications (1)

Publication Number Publication Date
CN109899174A true CN109899174A (en) 2019-06-18

Family

ID=66953481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910228172.7A Pending CN109899174A (en) 2019-03-25 2019-03-25 A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine

Country Status (1)

Country Link
CN (1) CN109899174A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111535934A (en) * 2020-06-11 2020-08-14 汉腾新能源汽车科技有限公司 Air inlet channel capable of enhancing gas flow, air inlet valve, piston and engine
CN115182825A (en) * 2022-08-22 2022-10-14 浙江吉利控股集团有限公司 Methanol engine and vehicle
CN115199398A (en) * 2022-07-25 2022-10-18 东风汽车集团股份有限公司 Engine for igniting and compression ignition
CN115419502A (en) * 2022-10-19 2022-12-02 天津大学 Engine combustion system with combined air inlet channel and combustion chamber in cooperation
CN115419501A (en) * 2022-10-19 2022-12-02 天津大学 Engine combustion system with air inlet channel, cylinder cover and combustion chamber in cooperation
CN115653777A (en) * 2022-10-27 2023-01-31 天津大学 Engine combustion system with composite air passage structure and shed-roof-shaped cylinder cover

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10141180A (en) * 1996-11-12 1998-05-26 Isuzu Motors Ltd Multivalve intake engine
US6286477B1 (en) * 1999-12-21 2001-09-11 Ford Global Technologies, Inc. Combustion chamber for direct-injected spark-ignited engines with swirl airflows
EP1431541A1 (en) * 2002-12-19 2004-06-23 Renault s.a.s. Internal combustion engine having means to vary the swirl intensity
JP2017072031A (en) * 2015-10-05 2017-04-13 本田技研工業株式会社 Internal combustion engine
CN107355297A (en) * 2017-07-31 2017-11-17 天津大学 A kind of engine chamber for using Fuel Petroleum burning instead suitable for diesel engine
CN209855911U (en) * 2019-03-25 2019-12-27 天津大学 Combustion system for igniting engine by using gasoline on the basis of diesel engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10141180A (en) * 1996-11-12 1998-05-26 Isuzu Motors Ltd Multivalve intake engine
US6286477B1 (en) * 1999-12-21 2001-09-11 Ford Global Technologies, Inc. Combustion chamber for direct-injected spark-ignited engines with swirl airflows
EP1431541A1 (en) * 2002-12-19 2004-06-23 Renault s.a.s. Internal combustion engine having means to vary the swirl intensity
JP2017072031A (en) * 2015-10-05 2017-04-13 本田技研工業株式会社 Internal combustion engine
CN107355297A (en) * 2017-07-31 2017-11-17 天津大学 A kind of engine chamber for using Fuel Petroleum burning instead suitable for diesel engine
CN209855911U (en) * 2019-03-25 2019-12-27 天津大学 Combustion system for igniting engine by using gasoline on the basis of diesel engine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111535934A (en) * 2020-06-11 2020-08-14 汉腾新能源汽车科技有限公司 Air inlet channel capable of enhancing gas flow, air inlet valve, piston and engine
CN115199398A (en) * 2022-07-25 2022-10-18 东风汽车集团股份有限公司 Engine for igniting and compression ignition
CN115199398B (en) * 2022-07-25 2023-12-19 东风汽车集团股份有限公司 Engine capable of igniting compression ignition
CN115182825A (en) * 2022-08-22 2022-10-14 浙江吉利控股集团有限公司 Methanol engine and vehicle
CN115182825B (en) * 2022-08-22 2024-01-09 浙江吉利控股集团有限公司 Methanol engine and vehicle
CN115419502A (en) * 2022-10-19 2022-12-02 天津大学 Engine combustion system with combined air inlet channel and combustion chamber in cooperation
CN115419501A (en) * 2022-10-19 2022-12-02 天津大学 Engine combustion system with air inlet channel, cylinder cover and combustion chamber in cooperation
CN115419501B (en) * 2022-10-19 2024-02-20 天津大学 Engine combustion system with cooperative air inlet channel, cylinder cover and combustion chamber
CN115653777A (en) * 2022-10-27 2023-01-31 天津大学 Engine combustion system with composite air passage structure and shed-roof-shaped cylinder cover

Similar Documents

Publication Publication Date Title
CN109899174A (en) A kind of combustion system for using gasoline ignition engine instead on the basis of diesel engine
CN108869006A (en) Small-displacement gasoline engine combustion system
CN204060993U (en) For the intake manifold of gaseous fuel explosive motor
CN115419501B (en) Engine combustion system with cooperative air inlet channel, cylinder cover and combustion chamber
CN106640455A (en) Cylinder cover combustion system of middle-arranged oil atomizer for direct-injection gasoline engine
CN201794675U (en) Squeeze-flow type compact combustion system with high compression ratio
CN107355297B (en) Engine combustion chamber suitable for gasoline fuel combustion instead of diesel engine
CN209855911U (en) Combustion system for igniting engine by using gasoline on the basis of diesel engine
CN207018102U (en) A kind of gasoline compression ignition piston combustion bowl
CN107339150A (en) A kind of engine chamber for using Fuel Petroleum instead on the basis of diesel engine
CN217107241U (en) Engine cylinder cover, engine and automobile
CN215444219U (en) Combustion chamber structure of gas-entraining direct-injection heavy oil engine
CN115111049A (en) High-turbulence kinetic energy combustion system and engine
CN104791141A (en) Method for forming mixed gas for two-stroke LPG direct-injection engine achieving hierarchical lean combustion
CN210264972U (en) Combustion system of direct-injection supercharged gasoline engine in middle-placed cylinder
CN210289944U (en) Cylinder head cooling structure, cylinder head and engine
CN111749784A (en) Novel high-efficiency ignition engine
CN201972803U (en) Cylinder cover of motorcycle engine
CN212927995U (en) Novel high-efficiency ignition engine
CN207212485U (en) A kind of engine chamber for using Fuel Petroleum instead on the basis of diesel engine
CN115419502A (en) Engine combustion system with combined air inlet channel and combustion chamber in cooperation
CN109630328A (en) A kind of composite air intake road for using gasoline ignition engine instead on the basis of diesel engine
CN111365140A (en) Cylinder air inlet structure and internal combustion engine
CN203756312U (en) Combustion chamber of gasoline engine
CN209942934U (en) Engine air inlet channel, engine cylinder cover, engine and vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination