CN110953100A - Motor tricycle engine advances exhaust system and engine - Google Patents
Motor tricycle engine advances exhaust system and engine Download PDFInfo
- Publication number
- CN110953100A CN110953100A CN201911282472.XA CN201911282472A CN110953100A CN 110953100 A CN110953100 A CN 110953100A CN 201911282472 A CN201911282472 A CN 201911282472A CN 110953100 A CN110953100 A CN 110953100A
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- China
- Prior art keywords
- exhaust
- air inlet
- motor tricycle
- valve
- front section
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
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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
- F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10111—Substantially V-, C- or U-shaped ducts in direction of the flow path
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
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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
- F02F2001/244—Arrangement of valve stems in cylinder heads
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention relates to an air intake and exhaust system of a motor tricycle engine and the engine, comprising an air intake passage and an exhaust passage; the air inlet passage and the air outlet passage are arranged along the axial direction of the engine crankshaft approximately; the air inlet and exhaust system is suitable for the air inlet and exhaust system of the motor tricycle engine, is favorable for avoiding the problem that a driver is easily scalded due to the vertical arrangement of the axial direction of a crankshaft of the motor tricycle engine and an air inlet channel and an air exhaust channel, and is favorable for the layout of air inlet and exhaust accessories of the whole motor tricycle.
Description
Technical Field
The invention relates to an air intake and exhaust system and an engine, in particular to an air intake and exhaust system and an engine of a motor tricycle.
Background
The included angle between the air intake and exhaust direction of the engine of the existing common motorcycle and the axial direction of the crankshaft is 90 degrees, the included angle between the axial direction of the crankshaft and the driving direction of the motorcycle is also 90 degrees, and the axial direction of the crankshaft of the engine of the motor tricycle is consistent with the driving direction of the motorcycle, at the moment, if the engine of the motor tricycle adopts an air intake and exhaust system which is the same as the engine of the common motorcycle, the layout of an air filter and a silencer of the whole motorcycle is not facilitated, the legs of a driver are easily scalded, and potential.
Based on the problems, the invention provides an air inlet and exhaust system of a motor tricycle engine and the engine. The air inlet and exhaust system of the motor tricycle engine is suitable for the air inlet and exhaust system of the motor tricycle engine, facilitates the layout of air inlet and exhaust accessories of a whole motorcycle, and is beneficial to avoiding potential safety hazards of scalding a driver.
Disclosure of Invention
In view of the above, the invention provides an air intake and exhaust system of a motor tricycle engine and an engine, wherein the air intake and exhaust system of the motor tricycle engine is an air intake and exhaust system suitable for the motor tricycle engine, is beneficial to the layout of air intake and exhaust accessories of a whole vehicle, and is beneficial to avoiding potential safety hazards of scalding a driver.
The invention relates to an air inlet and exhaust system of a motor tricycle engine, which comprises an air inlet channel and an exhaust channel; comprises an air inlet channel and an air outlet channel; the air inlet passage and the air outlet passage are arranged along the axial direction of the engine crankshaft approximately; the air inlet channel and the air outlet channel of the motor tricycle engine can be arranged in parallel along the axial direction of the engine crankshaft, and can form an included angle within 45 degrees with the axial direction of the engine crankshaft, for example, the air inlet channel and the air outlet channel can be positioned on the same plane with the crankshaft of the engine and form a certain included angle with the axial direction of the crankshaft, or the air inlet channel and the air outlet channel can be arranged on a non-same plane with the crankshaft of the engine, and the planes of the air inlet channel and the air outlet channel and the plane of the crankshaft form a certain included angle, so that the air inlet channel and the air outlet channel of the motor tricycle engine can be arranged along the axial direction of the engine crankshaft in the; the arrangement mode avoids the problem that the axial direction of the crankshaft of the motor tricycle engine is vertical to the air inlet channel and the air exhaust channel, so that a driver is easily scalded, the arrangement of air inlet and exhaust accessories of the whole motor tricycle is facilitated, and the potential safety hazard that the driver is scalded is avoided.
Further, the air inlet comprises an air inlet front section and an air inlet rear section which are communicated with each other; the outer end of the front section of the air inlet channel is arranged on the air inlet end surface of the cylinder cover, and the inner end of the front section of the air inlet channel extends to the position near the air inlet valve; the rear section of the air inlet channel is arranged along the axial direction of the inlet valve and is in smooth transition between the front section of the air inlet channel and the rear section of the air inlet channel;
the exhaust passage comprises an exhaust passage front section and an exhaust passage rear section which are communicated with each other; the outer end of the front section of the exhaust passage is arranged on the exhaust end surface of the cylinder cover, and the inner end of the front section of the exhaust passage extends to the vicinity of the exhaust valve; the rear section of the exhaust passage is provided with a smooth transition between the front section of the exhaust passage and the rear section of the exhaust passage along the axial direction of the exhaust valve; the air inlet and exhaust accessory layout of the motor tricycle engine is facilitated, the air inlet resistance of the engine is reduced, and smooth exhaust is facilitated;
furthermore, the included angle between the front section of the air inlet channel and the rear section of the air inlet channel is 20-80 degrees, and preferably 30 degrees; the included angle between the front section of the exhaust passage and the rear section of the exhaust passage is 20-80 degrees, preferably 30 degrees; further contributes to reducing the air intake resistance of the engine, facilitating smooth exhaust and facilitating the layout of air intake and exhaust accessories of the motor tricycle engine;
further, the included angle between the front section of the air inlet channel and the front section of the air outlet channel is 110-170 degrees, and preferably 150 degrees; the air inlet resistance of the engine is reduced, smooth exhaust is facilitated, and meanwhile, the air inlet and exhaust accessory layout of the motor tricycle engine is facilitated;
furthermore, a groove structure is arranged at the position, corresponding to the exhaust end surface of the cylinder cover, of the outer end of the front section of the exhaust passage; the noise reduction of the exhaust passage is facilitated;
further, the groove structure is a stepped groove structure which is arranged at the exhaust end face of the cylinder cover and has a large outer part and a small inner part; further facilitating the noise reduction of the exhaust passage; here, outer means the exhaust end face close to the cylinder head, and inner means the position close to the exhaust valve;
further, the intake valve comprises an intake valve head and an intake valve rod; the exhaust valve comprises an exhaust valve head and an exhaust valve rod; valve avoidance grooves are correspondingly formed in the positions, close to the air inlet valve head and the exhaust valve head, of the end, far away from the piston pin, of the piston; the arrangement of the valve avoidance groove on the piston is beneficial to avoiding the valve, and meanwhile, a certain degree of turbulence can be generated, so that the combustible mixed gas is favorably and uniformly mixed; designers can properly adjust the length, the width and the depth of the valve avoidance groove according to the requirement of a compression ratio, which belongs to the prior art and is not described herein again;
further, the valve avoiding groove comprises an inlet valve avoiding groove and an exhaust valve avoiding groove; the arrangement direction between the intake valve avoiding groove and the exhaust valve avoiding groove is approximately arranged along the axial direction of the crankshaft; the arrangement direction between the intake valve avoiding groove and the exhaust valve avoiding groove can be preferably parallel to the axial direction of the crankshaft, and can also form an included angle of 45 degrees or less with the axial direction of the crankshaft; the avoidance of an inlet valve and an exhaust valve is facilitated, and the structural layout is facilitated;
further, the valve avoiding groove is provided with an arc-shaped concave surface.
The invention also provides a motor tricycle engine which is provided with the motor tricycle engine air inlet and exhaust system.
The invention has the beneficial effects that: the intake and exhaust system of the motor tricycle engine is suitable for the intake and exhaust system of the motor tricycle engine, and the intake and exhaust direction is approximately parallel to the axial direction of the crankshaft, so that the problem that a driver is easily scalded due to the fact that the crankshaft of the motor tricycle engine is axially arranged to be perpendicular to the intake channel and the exhaust channel is solved, the layout of intake and exhaust accessories of the whole motorcycle is facilitated, and potential safety hazards that the driver is scalded are avoided.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a partial schematic view of the present invention;
fig. 4 is a schematic diagram of the engine structure of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a schematic partial structural diagram of the present invention, fig. 3 is a schematic partial structural diagram of the present invention, and fig. 4 is a schematic structural diagram of an engine of the present invention, as shown in the drawings: the invention relates to an air inlet and exhaust system of a motor tricycle engine, which comprises an air inlet channel and an exhaust channel; the air inlet channel and the air outlet channel are arranged approximately along the axial direction of the engine crankshaft 1; the air inlet channel and the air outlet channel of the motor tricycle engine can be arranged in parallel along the axial direction of the engine crankshaft 1, and can form an included angle within 45 degrees with the axial direction of the engine crankshaft 1, for example, the air inlet channel and the air outlet channel can be positioned on the same plane with the crankshaft 1 of the engine, and a certain included angle is formed between the air inlet channel and the air outlet channel and the axial direction of the crankshaft 1, or the air inlet channel and the air outlet channel and the crankshaft 1 of the engine can be arranged on non-same planes, and a certain included angle is formed between the plane where the air inlet channel and the air outlet channel are positioned and the plane where the crankshaft 1 is positioned, so that the air inlet channel and the air outlet channel of the motor tricycle engine; the arrangement mode avoids the problem that the axial direction of the crankshaft 1 of the motor tricycle engine is vertical to the air inlet channel and the air exhaust channel, so that a driver is easily scalded, the arrangement of air inlet and exhaust accessories of the whole motor tricycle is facilitated, and the potential safety hazard that the driver is scalded is avoided.
In this embodiment, the air inlet includes an air inlet front section 21 and an air inlet rear section 22 which are communicated with each other; the outer end of the front section 21 of the air inlet channel is arranged on the air inlet end surface of the cylinder cover 8, and the inner end of the front section 21 of the air inlet channel extends to the position near the air inlet valve; the air inlet passage rear section 22 is arranged along the axial direction of the air inlet valve and is in smooth transition between the air inlet passage front section 21 and the air inlet passage rear section 22.
The exhaust passage comprises an exhaust passage front section 31 and an exhaust passage rear section 32 which are communicated with each other; the outer end of the exhaust passage front section 31 is arranged on the exhaust end surface of the cylinder cover 8, and the inner end of the exhaust passage front section 31 extends to the vicinity of an exhaust valve; the exhaust passage rear section 32 is provided with a parallel air passage front section 31 and an exhaust passage rear section 32 which are in smooth transition along the axial direction of the exhaust valve; the air inlet and exhaust accessory layout of the motor tricycle engine is facilitated, the air inlet resistance of the engine is reduced, and smooth exhaust is facilitated.
In this embodiment, the included angle between the front section 21 of the air inlet channel and the rear section 22 of the air inlet channel is 20-80 degrees, preferably 30 degrees; the included angle between the exhaust passage front section 31 and the exhaust passage rear section 32 is 20-80 degrees, preferably 30 degrees; further contributes to reducing the air inlet resistance of the engine, facilitating smooth exhaust and facilitating the layout of air inlet and exhaust accessories of the engine of the motor tricycle.
In this embodiment, the included angle between the inlet duct front section 21 and the exhaust duct front section 31 is 110-; the air inlet resistance of the engine is reduced, smooth exhaust is facilitated, and meanwhile, the air inlet and exhaust accessory layout of the motor tricycle engine is facilitated.
In this embodiment, a groove structure 33 is arranged at the outer end of the exhaust passage front section 31 corresponding to the exhaust end surface of the cylinder cover 8; the noise reduction of the exhaust passage is facilitated.
In this embodiment, the groove structure 33 is a stepped groove structure with a large outer part and a small inner part, which is arranged on the exhaust end surface of the cylinder head 8; further facilitating the noise reduction of the exhaust passage; here, outward means close to the exhaust end surface of the cylinder head 8, and inward means close to the exhaust valve.
In the present embodiment, the intake valve includes an intake valve head 42 and an intake valve stem 41; the exhaust valve includes an exhaust valve head 52 and an exhaust valve stem 51; valve avoidance grooves are correspondingly formed in the positions, close to the air inlet valve head 42 and the exhaust valve head 52, of the end, far away from the piston pin, of the piston 6; the arrangement of the valve avoidance groove on the piston 6 is beneficial to avoiding the valve, and meanwhile, a certain degree of turbulence can be generated, so that the combustible mixed gas is favorably and uniformly mixed; the designer can suitably adjust the length, the width and the depth of the valve avoiding groove according to the requirement of the compression ratio, belongs to the prior art and is not described herein any more.
In this embodiment, the valve avoiding groove includes an intake valve avoiding groove 61 and an exhaust valve avoiding groove 62; the arrangement direction between the intake valve avoiding groove 61 and the exhaust valve avoiding groove 62 is approximately arranged along the axial direction of the crankshaft 1; the arrangement direction of the intake valve avoiding groove 61 and the exhaust valve avoiding groove 62 can be preferably parallel to the axial direction of the crankshaft 1, and can also form an included angle of 45 degrees or less with the axial direction of the crankshaft 1; the avoidance of the inlet valve and the exhaust valve is facilitated, and the structural layout is facilitated.
In this embodiment, the valve escape groove 61 has an arc-shaped concave surface.
The embodiment also provides a motor tricycle engine which is provided with the motor tricycle engine air inlet and exhaust system.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. An air inlet and exhaust system of a motor tricycle engine is characterized in that: comprises an air inlet channel and an air outlet channel; the intake and exhaust passages are arranged substantially in the axial direction of the engine crankshaft.
2. Motor tricycle engine intake-exhaust system according to claim 1, characterized in that: the air inlet comprises an air inlet front section and an air inlet rear section which are communicated with each other; the outer end of the front section of the air inlet channel is arranged on the air inlet end surface of the cylinder cover, and the inner end of the front section of the air inlet channel extends to the position near the air inlet valve; the rear section of the air inlet channel is arranged along the axial direction of the inlet valve and is in smooth transition between the front section of the air inlet channel and the rear section of the air inlet channel;
the exhaust passage comprises an exhaust passage front section and an exhaust passage rear section which are communicated with each other; the outer end of the front section of the exhaust passage is arranged on the exhaust end surface of the cylinder cover, and the inner end of the front section of the exhaust passage extends to the vicinity of the exhaust valve; the exhaust passage rear section is provided with a parallel air passage front section and an exhaust passage rear section which are in smooth transition along the axial direction of the exhaust valve.
3. Motor tricycle engine intake-exhaust system according to claim 2, characterized in that: the included angle between the front section of the air inlet channel and the rear section of the air inlet channel is 20-80 degrees; the included angle between the front section of the exhaust passage and the rear section of the exhaust passage is 20-80 degrees.
4. Motor tricycle engine intake-exhaust system according to claim 2, characterized in that: the included angle between the front section of the air inlet channel and the front section of the air outlet channel is 110-170 degrees.
5. Motor tricycle engine intake-exhaust system according to claim 2, characterized in that: and a groove structure is arranged at the outer end of the front section of the exhaust passage corresponding to the exhaust end surface of the cylinder cover.
6. Motor tricycle engine intake and exhaust system according to claim 5, characterized in that: the groove structure is a stepped groove structure which is arranged on the exhaust end face of the cylinder cover and has a large outer part and a small inner part.
7. Motor tricycle engine intake-exhaust system according to claim 2, characterized in that: the intake valve comprises an intake valve head and an intake valve rod; the exhaust valve comprises an exhaust valve head and an exhaust valve rod; the piston is far away from the piston pin and sets up the end and all correspond near air intake valve head and exhaust valve head department and be provided with the valve and dodge the groove.
8. Motor tricycle engine intake and exhaust system according to claim 7, characterized in that: the valve avoiding groove comprises an intake valve avoiding groove and an exhaust valve avoiding groove; the arrangement direction between the intake valve avoiding groove and the exhaust valve avoiding groove is approximately arranged along the axial direction of the crankshaft.
9. Motor tricycle engine intake and exhaust system according to claim 7, characterized in that: the valve avoiding groove is provided with an arc concave surface.
10. A motor tricycle engine, characterized by: the motor tricycle engine is provided with an air inlet and exhaust system of the motor tricycle engine as claimed in any one of claims 1 to 9.
Priority Applications (1)
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CN201911282472.XA CN110953100A (en) | 2019-12-13 | 2019-12-13 | Motor tricycle engine advances exhaust system and engine |
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CN201911282472.XA CN110953100A (en) | 2019-12-13 | 2019-12-13 | Motor tricycle engine advances exhaust system and engine |
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CN110953100A true CN110953100A (en) | 2020-04-03 |
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Citations (10)
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FR2733795A1 (en) * | 1995-05-04 | 1996-11-08 | Baltus Elie | Fluid flow control ducting for two=stroke opposed piston IC-engine |
CN1421596A (en) * | 2001-11-29 | 2003-06-04 | 江苏常发集团 | Internal combustion engine exhauster |
CN2716521Y (en) * | 2004-08-17 | 2005-08-10 | 李耀东 | Energy-saving internal combustion engine |
CN101705868A (en) * | 2009-12-02 | 2010-05-12 | 浦松林 | Complete set of technical device for lean-burn gasoline engine with low gasoline consumption |
CN101968010A (en) * | 2010-10-28 | 2011-02-09 | 江苏大学 | Die-casting cylinder cap for four-stroke small gasoline engine and manufacturing method thereof |
CN204677286U (en) * | 2015-05-26 | 2015-09-30 | 龚福清 | With cylinder plunger booster internal-combustion engine |
CN106438090A (en) * | 2016-11-15 | 2017-02-22 | 重庆佰泰机车制造有限公司 | Low-emission motorcycle engine |
CN106640455A (en) * | 2016-11-25 | 2017-05-10 | 奇瑞汽车股份有限公司 | Cylinder cover combustion system of middle-arranged oil atomizer for direct-injection gasoline engine |
CN108869006A (en) * | 2018-06-20 | 2018-11-23 | 奇瑞汽车股份有限公司 | Small-displacement gasoline engine combustion system |
CN109026363A (en) * | 2018-08-08 | 2018-12-18 | 何海燕 | Hot gas engine with multi-cylinder |
-
2019
- 2019-12-13 CN CN201911282472.XA patent/CN110953100A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2733795A1 (en) * | 1995-05-04 | 1996-11-08 | Baltus Elie | Fluid flow control ducting for two=stroke opposed piston IC-engine |
CN1421596A (en) * | 2001-11-29 | 2003-06-04 | 江苏常发集团 | Internal combustion engine exhauster |
CN2716521Y (en) * | 2004-08-17 | 2005-08-10 | 李耀东 | Energy-saving internal combustion engine |
CN101705868A (en) * | 2009-12-02 | 2010-05-12 | 浦松林 | Complete set of technical device for lean-burn gasoline engine with low gasoline consumption |
CN101968010A (en) * | 2010-10-28 | 2011-02-09 | 江苏大学 | Die-casting cylinder cap for four-stroke small gasoline engine and manufacturing method thereof |
CN204677286U (en) * | 2015-05-26 | 2015-09-30 | 龚福清 | With cylinder plunger booster internal-combustion engine |
CN106438090A (en) * | 2016-11-15 | 2017-02-22 | 重庆佰泰机车制造有限公司 | Low-emission motorcycle engine |
CN106640455A (en) * | 2016-11-25 | 2017-05-10 | 奇瑞汽车股份有限公司 | Cylinder cover combustion system of middle-arranged oil atomizer for direct-injection gasoline engine |
CN108869006A (en) * | 2018-06-20 | 2018-11-23 | 奇瑞汽车股份有限公司 | Small-displacement gasoline engine combustion system |
CN109026363A (en) * | 2018-08-08 | 2018-12-18 | 何海燕 | Hot gas engine with multi-cylinder |
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