CN111749784A - Novel high-efficiency ignition engine - Google Patents
Novel high-efficiency ignition engine Download PDFInfo
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- CN111749784A CN111749784A CN202010685042.9A CN202010685042A CN111749784A CN 111749784 A CN111749784 A CN 111749784A CN 202010685042 A CN202010685042 A CN 202010685042A CN 111749784 A CN111749784 A CN 111749784A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/06—Arrangements for cooling pistons
- F01P3/08—Cooling of piston exterior only, e.g. by jets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
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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
- F02F1/24—Cylinder heads
- F02F1/242—Arrangement of spark plugs or injectors
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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
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4235—Shape or arrangement of intake or exhaust channels in cylinder heads of intake channels
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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
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
-
- 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
- F02F3/00—Pistons
- F02F3/26—Pistons having combustion chamber in piston head
-
- 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
- F02F3/00—Pistons
- F02F3/28—Other pistons with specially-shaped head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P2003/006—Liquid cooling the liquid being oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B2023/102—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the spark plug being placed offset the cylinder centre axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B2023/108—Swirl flow, i.e. the axis of rotation of the main charge flow motion is vertical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The invention discloses a new high efficiency ignition engine, which belongs to the engine technology field, comprising: the four-valve cylinder cover is internally cast and integrated with two vortex air inlet channels; the mixed gas ignition mechanism in the cylinder is composed of double spark plugs; the combustion chamber is composed of a cylinder body, a piston, a four-valve cylinder cover, an intake valve and an exhaust valve, and two independent vortex air passages are designed, so that the flow interference of two air flows in the air passages is avoided, the air inflow directions of the two air passages rotate along the inner wall of the cylinder and are mutually enhanced, the combustion chamber at the top of the piston adopts a cylindrical or conical protruding structure, the vortex strength can be kept to the maximum extent in the compression stroke process of an engine while a higher compression ratio is maintained, a double-spark plug ignition system is arranged aiming at the combustion chamber, the flame propagation distance after ignition is shortened, the ignition duration is shortened, and the thermal efficiency is improved.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a novel high-efficiency spark ignition type engine.
Background
The fuel consumption rate is an important index for examining an automobile engine, and during the ignition work-doing process of the engine, the air flow in a combustion chamber can be optimized, the intake vortex can be increased, so that fuel oil and air are fully mixed, and the condition of complete combustion of mixed gas is met as far as possible so as to achieve higher heat efficiency.
According to the traditional flowing mode of mixed gas tumble of the ignition type engine, more in-cylinder vortex is utilized to form stronger airflow to flow, so that the mixed gas in the cylinder is uniformly distributed, but the potential for improving the in-cylinder tumble strength is limited, the flame propagation speed is limited after ignition is further accelerated, and the heat efficiency of the engine is improved to a limited extent.
Disclosure of Invention
The invention aims to provide a novel high-efficiency ignition engine to solve the problem that the traditional ignition engine in the background art cannot achieve high thermal efficiency by adopting a technology of organizing in-cylinder tumble mixed gas.
In order to achieve the purpose, the invention provides the following technical scheme: a novel high efficiency spark-ignition engine comprising:
the four-valve cylinder cover is internally cast and integrated with two vortex air inlet channels;
the mixed gas ignition mechanism in the cylinder is composed of double spark plugs;
the combustion chamber is composed of a cylinder body, a piston, a four-valve cylinder cover, an intake valve and an exhaust valve component.
Preferably, two the vortex intake duct contains an outer vortex intake duct and an interior vortex intake duct, outer vortex intake duct, interior vortex intake duct connect combustion chamber to air intake manifold and constitute engine air intake passage.
Preferably, two the vortex intake duct is the disconnect-type and arranges, gets gas from intake manifold respectively, and two vortex intake ducts admit air respectively, have avoided the air current to interfere.
Preferably, the central angles of the parts of the two swirl inlet channels close to the cylinder hole are arranged at a difference of 90 °.
Preferably, the direction of the inlet air of the two vortex air inlet channels when entering the cylinder hole is tangent to the wall surface of the cylinder hole.
Preferably, the double spark plugs are arranged on the edge of the combustion chamber in the four-valve cylinder cover and are respectively positioned between the intake valve and the exhaust valve on the two sides, and the ignition position point of the double spark plugs is positioned in the middle of a gap between the top surface of the piston and the cylinder cover surface at the time of the top dead center of the piston.
Preferably, the top combustion chamber profile of the piston is a top combustion chamber profile, the top combustion chamber profile is cylindrical or conical, and a smooth shape in which a projection in the middle of the top combustion chamber profile is transited to an external recess is matched with the circular cylinder.
Preferably, the bottom of the piston is designed to be convex towards the top of the piston from the center so as to increase the heat dissipation area, and the profile curve of the bottom of the piston is close to the inflow and outflow angles of fluid, so that the oil beam of the cooling nozzle of the piston is close to the wall surface of the bottom of the piston to flow and cool the central area.
Preferably, two vortex air inlet channels are utilized, the outer vortex air inlet channel generates an outer vortex which extends the motion of the cylinder wall, the inner vortex air inlet channel generates an inner vortex which is close to the profile of the top combustion chamber, the outer vortex and the inner vortex force air inlet to form a strong vortex around the center of the cylinder hole in the cylinder of the engine, the air flow speed is high, and the oil and gas are uniformly mixed.
The novel high-efficiency ignition engine is a single-cylinder or multi-cylinder ignition engine.
Compared with the prior art, the invention has the beneficial effects that:
1) through the integrated double vortex intake duct in the cylinder cap, the air current gets into the angular difference 90 of cylinder in the air flue, and the angle of admitting air of two air flues is tangent with the cylinder hole wall respectively for the process of admitting air forms controllable regular vortex around cylinder hole center promptly. The design of the two independent vortex air passages ensures that air inlet is not interfered, the disturbance of two air flows in the cylinder is reduced, and the air inlet flow direction rotates along the inner wall of the cylinder and is mutually enhanced;
2) the piston top structure is a raised cylindrical structure or a cone structure, the strength of the vortex is enhanced when the piston moves downwards during the air intake stroke, the strength of the vortex is maintained when the piston moves upwards during the compression stroke, and the flowing speed of the mixed gas in the cylinder under the low-rotating-speed working condition of the engine is further improved. And the piston combustion chamber has simple structure and good manufacturability, the middle protruding part of the piston adopts a hollow structure, and the structure has a guiding effect on the engine oil sprayed by the piston cooling nozzle, thereby improving the cooling function of the piston. The complex and high-cost inner cooling oil passage of the traditional engine piston can be replaced. The piston is more reliable in a high-temperature, high-speed and high-strength operating environment;
3) the ignition system with the double spark plugs is adaptively matched with a four-valve structure, the ignition point positions are definitely arranged, the flame propagation distance after ignition is shortened, the ignition duration is shortened, and the heat efficiency is improved.
Drawings
FIG. 1 is an overall layout of the present invention;
FIG. 2 is a view showing the arrangement of internal parts according to the present invention;
FIG. 3 is a schematic top view of the inlet flow direction of the inner and outer swirl ducts of the present invention;
FIG. 4 is a schematic structural view of an outer vortex air intake duct and an inner vortex air intake duct according to the present invention;
FIG. 5 is a schematic sectional view of a piston according to the present invention
FIG. 6 is a front cross-sectional view of a piston and a schematic flow of oil jets from a piston cooling nozzle in accordance with the present invention;
FIG. 7 is a schematic view of the upward flow of intake air through the piston of the present invention.
In the figure: the engine comprises a four-valve cylinder cover 1, a cylinder body 2, an intake valve 3, an exhaust valve 4, an external vortex air inlet channel 7, an internal vortex air inlet channel 8, a piston 10, a top combustion chamber profile 11, a double-spark plug 12, a direct injection oil injector 13 and a piston cooling nozzle 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-7, the present invention provides a technical solution: a novel high efficiency spark-ignition engine comprising:
the four-valve cylinder cover 1 is characterized in that two vortex air inlet channels are cast and integrated in the four-valve cylinder cover 1;
an in-cylinder mixture ignition mechanism composed of double spark plugs 12;
the combustion chamber is composed of a cylinder body 2, a piston 10, a four-valve cylinder cover 1, an intake valve 3 and an exhaust valve 4.
Further, two the vortex intake duct contains an outer vortex intake duct 7 and an interior vortex intake duct 8, outer vortex intake duct 7, interior vortex intake duct 8 connect the combustion chamber to intake manifold and constitute engine air intake passage.
Furthermore, two the vortex intake duct is the disconnect-type and arranges, gets gas from intake manifold respectively, and two vortex intake ducts admit air respectively, have avoided the air current to interfere.
Further, the central angles of the parts of the two vortex air inlets close to the cylinder hole are arranged at a 90-degree difference.
Furthermore, the direction of the inlet airflow of the two vortex air inlet channels entering the cylinder hole is tangent to the wall surface of the cylinder hole.
Further, the double spark plugs 12 are arranged on the edge of a combustion chamber in the four-valve cylinder cover 1 and are respectively positioned between the intake valve 3 and the exhaust valve 4 on the two sides, and the ignition position points of the double spark plugs 12 are positioned in the middle of the gap between the top surface of the piston 10 and the cylinder cover surface at the top dead center of the piston 10.
Further, the top combustion chamber profile of the piston 10 is a top combustion chamber profile 11, the top combustion chamber profile 11 is cylindrical or conical, and a smooth shape in which a middle protrusion of the top combustion chamber profile 11 is transited to an outer recess is matched with a circular cylinder.
Further, the bottom of the piston 10 is shaped to be convex with its center protruding toward the top of the piston 10 to increase the heat dissipation area, and the bottom profile curve of the piston 10 is close to the inflow and outflow angles of the fluid, so that the oil beam of the piston cooling nozzle 14 is close to the wall surface of the bottom of the piston 10 to flow and cool the central area.
Further, by utilizing the two vortex air inlet channels, the outer vortex air inlet channel 7 generates an outer vortex which extends the motion of the cylinder wall, the inner vortex air inlet channel 8 generates an inner vortex which is close to the top combustion chamber profile 11 of the top combustion chamber profile, the outer vortex and the inner vortex force air inlet to form a strong vortex around the center of the cylinder hole in the cylinder of the engine, the air flow speed is high, and the oil and gas are uniformly mixed.
The novel high-efficiency ignition engine is a single-cylinder or multi-cylinder ignition engine.
Fig. 1 and 2 show the overall layout of the present example, which includes: an outer vortex air inlet channel 7, an inner vortex air inlet channel 8, an air inlet valve 3 and an air outlet valve 4 are cast inside the four-valve cylinder cover 1, the middle areas of the air inlet valve 3 and the air outlet valve 4 on two sides are respectively provided with double spark plugs 12, an ignition point is positioned at the top dead center moment of a piston 10, and the middle position between the top surface of the piston 10 and the four-valve cylinder cover 1. Wherein, the four-valve cylinder cover 1, the inlet valve 3, the exhaust valve 4 and the piston 10 form an engine combustion chamber together.
Fig. 3 and 4 show a separated double-vortex air inlet channel applied in this example, which is divided into an outer vortex air inlet channel 7 and an inner vortex air inlet channel 8, the angle of the air flow direction entering the cylinder hole at the air inlet tail end is different by 90 degrees, and the air inlet angles of the double-vortex air inlet channels are respectively tangent to the wall surface of the cylinder hole;
fig. 5 and 6 show a structure diagram of a piston 10 applied in this example, the top of the piston 10 adopts a top combustion chamber profile 11 in a nearly cylindrical shape, which is in smooth transition with a rim plane, and the bottom is in a dome structure, and a cooling oil beam ejected from a piston cooling nozzle 14 can flow and cool close to a wall surface, so that the cooling efficiency is higher. The piston 10 is simple in overall structure and good in manufacturability, is integrally formed by die casting, and does not need to be subjected to secondary processing in a combustion chamber. The top combustion chamber profile 11, which is the top combustion chamber profile, cooperates with the four valve cylinder head 1 combustion chamber to force the in-cylinder air flow to form a strong vortex rotating around the cylinder bore centerline during the upward travel of the piston 10, as shown in fig. 6.
The fuel injection system employed in this example is direct in-cylinder injection.
In the actual implementation process, the direct injection injector 13 in the cylinder can adopt an air inlet channel injection mode, and can be matched with other systems related to the invention to achieve the effect of improving the combustion heat efficiency.
By arranging two separated vortex air inlets, the air inlet angles of the two vortex air passages are designed to be different by 90 degrees and respectively cling to the wall surface of a cylinder hole to inlet air, so that the air inlet vortex strength is greatly enhanced in an air inlet stroke; the piston 10 is designed as a swirl enhanced outer swirl piston, maintaining a high compression ratio while maintaining maximum swirl strength during the compression stroke of the engine. Even at the end of compression, a strong swirl strength remains in the cylinder. The gas-oil mixing in the combustion chamber is more sufficient, and the flame propagation speed is greatly increased in the moment of ignition. Short mixture combustion duration; the piston 10 cavity is provided with a cooling oil deflector structure that increases the cooling capacity of the piston 10, allowing the piston 10 to operate in higher heat load environments. Meanwhile, a double-spark-plug ignition system is arranged aiming at the combustion chamber with the four-valve structure, so that the propagation distance of flame in a cylinder is reduced in the ignition working stroke of the engine, and the combustion duration of mixed gas is further shortened. The combustion heat efficiency of the engine is improved, and the oil consumption is reduced.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A novel high efficiency spark ignition engine, comprising:
the four-valve cylinder cover (1), wherein two vortex air inlet channels are cast and integrated in the four-valve cylinder cover (1);
an in-cylinder mixture ignition mechanism composed of double spark plugs (12);
the combustion chamber is composed of a cylinder body (2), a piston (10), a four-valve cylinder cover (1), an intake valve (3) and an exhaust valve (4).
2. The new high efficiency spark ignition engine of claim 1 wherein: two the vortex intake duct contains an outer vortex intake duct (7) and an interior vortex air intake duct (8), outer vortex intake duct (7), interior vortex air intake duct (8) are connected the combustion chamber and are constituted engine air intake passage to air intake manifold.
3. The new high efficiency spark ignition engine of claim 1 wherein: two the vortex intake duct is the disconnect-type and arranges, gets gas from intake manifold respectively, and two vortex intake ducts admit air respectively, have avoided the air current to interfere.
4. The new high efficiency spark ignition engine of claim 1 wherein: the central angles of the parts of the two vortex air inlets close to the cylinder hole are arranged with a 90-degree difference.
5. The new high efficiency spark ignition engine of claim 1 wherein: and the direction of the inlet airflow of the two vortex air inlet channels when entering the cylinder hole is tangent to the wall surface of the cylinder hole.
6. The new high efficiency spark ignition engine of claim 1 wherein: the double spark plugs (12) are arranged on the edge of a combustion chamber in the four-valve cylinder cover (1) and are respectively positioned between an intake valve (3) and an exhaust valve (4) on two sides, and the ignition position points of the double spark plugs (12) are positioned in the middle of a gap between the top surface of the piston (10) and the cylinder cover surface at the top dead center moment of the piston (10).
7. The new high efficiency spark ignition engine of claim 1 wherein: the top combustion chamber profile of piston (10) is top combustion chamber profile (11), top combustion chamber profile (11) are the cylinder type or the circular cone type, protruding transition is followed the shape and is cooperated with circular cylinder to the sunken fairing outside in the middle of top combustion chamber profile (11).
8. The new high efficiency spark ignition engine of claim 7 wherein: the bottom shape of the piston (10) is designed to be that the center protrudes towards the top direction of the piston (10) so as to increase the heat dissipation area, and the profile curve of the bottom of the piston (10) is close to the inflow and outflow angles of fluid, so that the oil beam of the piston cooling nozzle (14) is close to the wall surface of the bottom surface of the piston (10) to flow and cool the central area.
9. The new high efficiency spark ignition engine of claim 1 wherein: utilize two vortex intake ducts, outer vortex intake duct (7) produce the outside vortex of extending the cylinder wall motion, and interior vortex intake duct (8) produce the inboard vortex of pressing close to top combustion chamber profile (11), and outside vortex and inboard vortex force admit air and form the strong vortex around cylinder hole center in engine cylinder, and the air current velocity of flow is fast, oil-gas mixture is even.
10. A new high efficiency spark ignition engine applying one or more of the features of claims 1-9, characterized in that: the novel high-efficiency ignition engine is a single-cylinder or multi-cylinder ignition engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685042.9A CN111749784A (en) | 2020-07-16 | 2020-07-16 | Novel high-efficiency ignition engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685042.9A CN111749784A (en) | 2020-07-16 | 2020-07-16 | Novel high-efficiency ignition engine |
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| Publication Number | Publication Date |
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| CN111749784A true CN111749784A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010685042.9A Pending CN111749784A (en) | 2020-07-16 | 2020-07-16 | Novel high-efficiency ignition engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750071A (en) * | 2022-11-09 | 2023-03-07 | 重庆长安汽车股份有限公司 | Gasoline engine combustion system, engine and vehicle |
-
2020
- 2020-07-16 CN CN202010685042.9A patent/CN111749784A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750071A (en) * | 2022-11-09 | 2023-03-07 | 重庆长安汽车股份有限公司 | Gasoline engine combustion system, engine and vehicle |
| CN115750071B (en) * | 2022-11-09 | 2024-05-03 | 重庆长安汽车股份有限公司 | Gasoline engine combustion system, engine and vehicle |
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