CN112628012A - Composite surface wedge-shaped combustion chamber gasoline engine cylinder head - Google Patents
Composite surface wedge-shaped combustion chamber gasoline engine cylinder head Download PDFInfo
- Publication number
- CN112628012A CN112628012A CN202011520343.2A CN202011520343A CN112628012A CN 112628012 A CN112628012 A CN 112628012A CN 202011520343 A CN202011520343 A CN 202011520343A CN 112628012 A CN112628012 A CN 112628012A
- Authority
- CN
- China
- Prior art keywords
- wedge
- combustion chamber
- cylinder
- shaped combustion
- arc
- 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
Links
Images
Classifications
-
- 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
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
-
- 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
- F02F1/26—Cylinder heads having cooling means
- F02F1/28—Cylinder heads having cooling means for air cooling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of gasoline engines, in particular to a gasoline engine cylinder head with composite surface wedge-shaped combustion chambers. The wedge-shaped combustion chamber has the advantages that the design is novel, the structure is simple, the gas is subjected to resistance in different directions due to the structure of the wedge-shaped combustion chamber, the flow squeezing effect is increased, the gas is fully mixed by using turbulence, the combustion rate is improved, the oil consumption rate and tail gas emission are reduced, the working temperature of the combustion chamber can be quickly subjected to heat exchange and temperature reduction due to the heat dissipation part, the operation stability of the gasoline engine is ensured, the problems of cylinder scuffing and cylinder explosion caused by high temperature are avoided, the maintenance cost is reduced, and the service life of the whole engine is prolonged.
Description
Technical Field
The invention relates to the technical field of gasoline engines, in particular to a gasoline engine cylinder head with a composite surface wedge-shaped combustion chamber.
Background
The gasoline engine includes cylinder cover, cylinder body and lower crankcase, the cylinder cover and the inner wall of the cylinder body together form one part of combustion chamber, and the gasoline is used as fuel to convert internal energy into kinetic energy. Gasoline engines are used in large numbers in automobiles, particularly in small automobiles.
However, the existing combustion chamber has long flame propagation distance and low heat efficiency, and meanwhile, the flow squeezing effect of the combustion chamber is poor, so that the intake air is not fully mixed, the oil consumption is high, and the emission is serious. Accordingly, one skilled in the art has provided a composite wedge combustion chamber gasoline engine head that solves the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a composite surface wedge-shaped combustion chamber gasoline engine cylinder head to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a gasoline engine cylinder head with composite surface wedge-shaped combustion chambers comprises a cylinder cover, wherein four wedge-shaped combustion chambers are arranged at the bottom of the cylinder cover at equal intervals, air inlets and air outlets are symmetrically arranged at positions, corresponding to the wedge-shaped combustion chambers, of two sides of the cylinder cover, and a heat dissipation part extending into the cylinder cover is arranged at the front end of the cylinder cover;
the heat dissipation part is including being fixed in the first wind-collecting cover of cylinder cap front end and being fixed in the second wind-collecting cover of cylinder cap rear end the first heat dissipation fan is installed in the front side embedding of first wind-collecting cover, the surface embedding of second wind-collecting cover installs the second and dispels the heat the fan, and links to each other through the inside heat transfer mechanism of cylinder cap between second wind-collecting cover and the first wind-collecting cover.
As a further aspect of the invention: the inside symmetry of cylinder cap sets up admission line and the exhaust duct who is linked together with air inlet and gas vent respectively, and the internally mounted of cylinder cap has the camshaft, the inside symmetry of cylinder cap is provided with the rocking arm that links to each other with the camshaft, two the below of rocking arm all is connected with the valve stem, two the one end of valve stem runs through admission line and exhaust duct respectively and extends to in the wedge combustion chamber and is fixed with its one-to-one's admission valve seat and exhaust valve seat, the outside of cylinder cap runs through to be provided with the spark plug that extends to the wedge combustion chamber inside.
As a further aspect of the invention: the wedge combustion chamber is including second arc circle and the first arc circle that is located the cylinder cap bottom surface, the one end of second arc circle and first arc circle is connected the face through outer arc and is connected, and the other end of second arc circle and first arc circle is connected the face through inner arc and is connected, be provided with the concave cambered surface of second in the second arc circle, be provided with the first concave cambered surface that links to each other with the concave cambered surface of second in the first arc circle.
As a further aspect of the invention: the radius of the first arc-shaped ring is larger than that of the second arc-shaped ring, and the curvature radius of the first concave arc-shaped surface is larger than that of the second concave arc-shaped surface.
As a further aspect of the invention: heat transfer mechanism sets up the wind channel in the inside and laminating heat transfer chamber outside of cylinder cap including seting up in the inside heat transfer chamber and the symmetry that just laminates the wedge combustion chamber lateral wall of cylinder cap, two the both ends in wind channel all run through the cylinder cap are linked together with first air-collecting cover and second air-collecting cover respectively, and one side of the inside laminating wedge combustion chamber in two wind channels all installs heat radiation fins, the return water mouth and the water inlet that run through the cylinder cap are seted up to the front end symmetry in heat transfer chamber, the one end of return water mouth is connected with the wet return that runs through first air-collecting cover and set up, the one end of water inlet is connected with the inlet tube that runs through first air-collecting cover and set up, the one end.
As a further aspect of the invention: the filter assembly comprises a barrel body connected with a water inlet pipe, the bottom of the barrel body is connected with a filtering impurity pipe which is of a U-shaped structure, a filtering cotton core is arranged at the position of the middle section in the inner part of the barrel body, a filter plate which is obliquely arranged is arranged at the position, corresponding to the one end of the filtering impurity pipe, of the inner side of the barrel body, a reverse osmosis membrane is arranged at the joint of the other end of the filtering impurity pipe, corresponding to the inner side of the barrel body, and a drain outlet is formed in the bottom of the filtering impurity.
As a further aspect of the invention: the bottom of drain is provided with seals the stopper, seals the stopper and closes fixedly through the screw thread is screwed with the drain
As a further aspect of the invention: the power of the second heat dissipation fan is lower than that of the first heat dissipation fan, and dust screens are arranged on the outer sides of the second heat dissipation fan and the outer sides of the first heat dissipation fan.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design and simple structure, the wedge-shaped combustion chamber has the advantages that the gas is subjected to resistance in different directions due to the structure, the flow squeezing effect is increased, the gas is fully mixed by using turbulent flow, the combustion rate is improved, the oil consumption rate and the tail gas emission are reduced, the working temperature of the combustion chamber can be quickly subjected to heat exchange and temperature reduction due to the heat dissipation part, the operation stability of the gasoline engine is ensured, the problems of cylinder scuffing and cylinder explosion caused by high temperature are avoided, the maintenance cost is reduced, the service life of the whole body is prolonged, the cold source can be filtered by using the filtering assembly, the problem of poor heat exchange effect caused by the blockage of a heat exchange cavity is avoided, and the temperature reduction efficiency of the cylinder head.
Drawings
FIG. 1 is a schematic structural diagram of a gasoline engine cylinder head with a composite-surface wedge-shaped combustion chamber;
FIG. 2 is a schematic view of the bottom structure of a gasoline engine cylinder head with a composite wedge-shaped combustion chamber;
FIG. 3 is an enlarged schematic view of a cylinder head of a gasoline engine with a composite wedge-shaped combustion chamber at A in FIG. 2;
FIG. 4 is a cross-sectional view of a gasoline engine cylinder head with a composite wedge-shaped combustion chamber;
FIG. 5 is a schematic structural diagram of a filter assembly in a cylinder head of a gasoline engine with a composite-surface wedge-shaped combustion chamber.
In the figure: 1. a cylinder cover; 2. a rocker arm; 3. a valve stem; 4. an air inlet; 5. a spark plug; 6. a first air collecting cover; 7. a first heat dissipation fan; 8. a water return pipe; 9. a filter assembly; 91. a barrel; 92. filtering the cotton core; 93. a reverse osmosis membrane; 94. a sewage draining outlet; 95. a impurity filtering pipe; 96. filtering the plate; 10. a water inlet pipe; 11. a camshaft; 12. a combustion chamber; 121. a first arcuate loop; 122. a first concave arc surface; 123. an outer arc connecting surface; 124. a second arcuate loop; 125. a second concave arc surface; 126. an inner arc connecting surface; 13. a second wind-collecting cover; 14. an exhaust port; 15. heat dissipation fins; 16. a water inlet; 17. a water return port; 18. an air duct; 19. an exhaust valve seat; 20. an intake valve seat; 21. a heat exchange cavity; 22. an exhaust duct; 23. an air inlet duct.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, a gasoline engine cylinder head with a composite surface wedge-shaped combustion chamber includes a cylinder cover 1, four wedge-shaped combustion chambers 12 are disposed at the bottom of the cylinder cover 1 at equal intervals, an intake port 4 and an exhaust port 14 are symmetrically disposed at positions corresponding to the wedge-shaped combustion chambers 12 on both sides of the cylinder cover 1, an intake duct 23 and an exhaust duct 22 respectively communicated with the intake port 4 and the exhaust port 14 are symmetrically disposed inside the cylinder cover 1, a camshaft 11 is mounted inside the cylinder cover 1, rocker arms 2 connected to the camshaft 11 are symmetrically disposed inside the cylinder cover 1, valve stems 3 are connected to lower portions of the two rocker arms 2, one ends of the two valve stems 3 respectively penetrate through the intake duct 23 and the exhaust duct 22 and extend into the wedge-shaped combustion chambers 12, and are fixed with intake valve seats 20 and exhaust valve seats 19 corresponding to each other, a spark plug 5 extending into the wedge-shaped combustion chambers 12 is disposed outside, the wedge-shaped combustion chamber 12 comprises a second arc ring 124 and a first arc ring 121 which are positioned on the bottom surface of the cylinder cover 1, one end of the second arc ring 124 is connected with one end of the first arc ring 121 through an outer arc connecting surface 123, the other end of the second arc ring 124 is connected with the other end of the first arc ring 121 through an inner arc connecting surface 126, a second concave arc surface 125 is arranged in the second arc ring 124, a first concave arc surface 122 connected with the second concave arc surface 125 is arranged in the first arc ring 121, the radius of the first arc ring 121 is larger than that of the second arc ring 124, the curvature radius of the first concave arc surface 122 is larger than that of the second concave arc surface 125, the camshaft 11 drives the air inlet valve seat 20 and the exhaust valve seat 19 to be opened and closed through the rocker arm 2 in a matching manner of the valve rod 3 during operation, when the air inlet valve seat 20 is opened, outside air enters the wedge-shaped combustion chamber 12 through the air inlet 4 and the air inlet pipeline 23, and a large-small arc ring in the wedge-shaped combustion chamber 12 is matched with the The gas of (2) receive the resistance of equidirectional not, increased crowded effect of flowing, utilize the turbulent flow to make gaseous intensive mixing, promoted the combustion rate, reduced fuel consumption rate and exhaust emissions simultaneously, spark plug 5 ignites and makes the gas mixture burning, and the burning back exhaust valve seat 19 is opened, and waste gas is discharged along exhaust duct 22 and gas vent 14.
The front end of the cylinder cover 1 is provided with a heat dissipation part extending to the interior of the cylinder cover, the heat dissipation part comprises a first air collecting cover 6 fixed at the front end of the cylinder cover 1 and a second air collecting cover 13 fixed at the rear end of the cylinder cover 1, a first heat dissipation fan 7 is embedded at the front side of the first air collecting cover 6, a second heat dissipation fan is embedded and installed on the surface of the second air collecting cover 13, dust screens are arranged on the outer sides of the second heat dissipation fan and the first heat dissipation fan 7, the second air collecting cover 13 is connected with the first air collecting cover 6 through a heat exchange mechanism in the cylinder cover 1, the heat exchange mechanism comprises a heat exchange cavity 21 arranged in the cylinder cover 1 and attached to the outer side wall of the wedge-shaped combustion chamber 12 and air channels 18 symmetrically arranged in the cylinder cover 1 and attached to the outer side of the heat exchange cavity 21, two ends of the two air channels 18 penetrate through two ends of the cylinder cover 1 and are respectively communicated with the first air collecting cover 6 and the second air collecting cover 13, the front end of the heat exchange cavity 21 is symmetrically provided with a water return port 17 and a water inlet 16 which penetrate through the cylinder cover 1, one end of the water return port 17 is connected with a water return pipe 8 which penetrates through the first air collecting cover 6, one end of the water inlet 16 is connected with a water inlet pipe 10 which penetrates through the first air collecting cover 6, one end of the water inlet pipe 10 is connected with a filtering component 9, when the gasoline engine works, a cold source enters the heat exchange cavity 21 through the filtering component 9 and the water inlet pipe 10 to exchange heat for heat generated on the surface of the wedge-shaped combustion chamber 12, a water source after heat exchange is discharged along the water return pipe 8, meanwhile, part of heat on the surface of the heat exchange cavity 21 can be transmitted to the heat dissipation fins 15 in the air duct 18, the second heat dissipation fan and the first heat dissipation fan 7 operate, the second heat dissipation fan blows air into the air duct 18, the air duct 18 is extracted by the first heat dissipation fan 7, the power of the second, the whole air circulation is promoted, the whole heat dissipation effect is improved, the problems of cylinder drawing and cylinder explosion caused by high temperature are avoided, the maintenance cost is reduced, and the whole service life is prolonged.
The filtering component 9 comprises a cylinder 91 connected with the water inlet pipe 10, the bottom of the cylinder 91 is connected with a filtering pipe 95 in a U-shaped structure, a filtering cotton core 92 is arranged at the middle position inside the cylinder 91, a filter plate 96 in an inclined arrangement is arranged at the position corresponding to the connection position of one end of the filtering pipe 95 at the inner side of the cylinder 91, a reverse osmosis membrane 93 is arranged at the position corresponding to the connection position of the other end of the filtering pipe 95 at the inner side of the cylinder 91, a drain outlet 94 is arranged at the bottom of the filtering pipe 95, a sealing plug is arranged at the bottom of the drain outlet 94 and is screwed and fixed with the drain outlet 94 through threads, when a cold source enters the cylinder 91, the cold source is blocked by the filter plate 96, part of the cold source enters the water inlet pipe 10 after being filtered by the filtering cotton core 92 through the filter plate, the other part of the cold source with impurities enters the filtering pipe 95, under the water pressure of subsequent reverse osmosis membrane, and impurity can be stopped in straining miscellaneous pipe 95, during the blowdown, twist and seal the stopper can, avoid leading to the poor problem of heat transfer effect because of heat transfer chamber 21 blocks up, improved the cooling efficiency of cylinder end.
The working principle of the invention is as follows: firstly, when the device is operated, a camshaft 11 drives an air inlet valve seat 20 and an exhaust valve seat 19 to open and close through a rocker arm 2 and a valve rod 3, when the air inlet valve seat 20 is opened, outside air enters a wedge-shaped combustion chamber 12 through an air inlet 4 and an air inlet pipeline 23, a large arc ring and a small arc ring in the wedge-shaped combustion chamber 12 are matched with an outer arc connecting surface and an inner arc connecting surface 126 to enable the entering gas to be subjected to resistance in different directions, the flow squeezing effect is increased, the gas is fully mixed by using turbulence, the combustion rate is improved, the oil consumption rate and the exhaust emission are reduced, a spark plug 5 ignites to enable the mixed gas to be combusted, the exhaust valve seat 19 is opened after the combustion, and the exhaust gas is discharged along an exhaust pipeline 22 and an exhaust port 14;
secondly, when the gasoline engine works, a cold source enters the heat exchange cavity 21 through the filtering component 9 and the water inlet pipe 10, heat exchange is carried out on heat generated on the surface of the wedge-shaped combustion chamber 12, a water source after heat exchange is discharged along the water return pipe 8, meanwhile, partial heat on the surface of the heat exchange cavity 21 can be transmitted to the heat dissipation fins 15 in the air duct 18, the second heat dissipation fan and the first heat dissipation fan 7 are further operated, the second heat dissipation fan blows air into the air duct 18, the air duct 18 is drawn out by the first heat dissipation fan 7, the power of the second heat dissipation fan is lower than that of the first heat dissipation fan 7, negative pressure is further generated in the air duct 18, the whole air circulation is improved, the whole heat dissipation effect is improved, the problems of cylinder pulling and cylinder explosion caused by high temperature are avoided, the maintenance cost is reduced, and the service life of the whole.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (8)
1. The gasoline engine cylinder head with the composite-surface wedge-shaped combustion chambers comprises a cylinder cover (1), and is characterized in that four wedge-shaped combustion chambers (12) are arranged at the bottom of the cylinder cover (1) at equal intervals, air inlets (4) and air outlets (14) are symmetrically arranged at positions, corresponding to the wedge-shaped combustion chambers (12), on two sides of the cylinder cover (1), and a heat dissipation part extending into the cylinder cover (1) is arranged at the front end of the cylinder cover;
the heat dissipation part is including being fixed in first wind-collecting housing (6) of cylinder cap (1) front end and being fixed in second wind-collecting housing (13) of cylinder cap (1) rear end the front side embedding of first wind-collecting housing (6) is installed first heat dissipation fan (7), the surface embedding of second wind-collecting housing (13) is installed the second and is dispelled the heat the fan, and links to each other through the inside heat transfer mechanism of cylinder cap (1) between second wind-collecting housing (13) and first wind-collecting housing (6).
2. The cylinder head of a gasoline engine with a composite wedge-shaped combustion chamber as claimed in claim 1, an air inlet pipeline (23) and an air outlet pipeline (22) which are respectively communicated with the air inlet (4) and the air outlet (14) are symmetrically arranged in the cylinder cover (1), and a cam shaft (11) is arranged in the cylinder cover (1), rocker arms (2) connected with the cam shaft (11) are symmetrically arranged in the cylinder cover (1), valve rods (3) are connected below the two rocker arms (2), one ends of the two valve rods (3) respectively penetrate through an air inlet pipeline (23) and an exhaust pipeline (22) to extend into the wedge-shaped combustion chamber (12) and are fixed with an air inlet valve seat (20) and an exhaust valve seat (19) which are in one-to-one correspondence with each other, the outer side of the cylinder cover (1) is provided with a spark plug (5) which extends into the wedge-shaped combustion chamber (12) in a penetrating mode.
3. The cylinder head of the gasoline engine with the composite-surface wedge-shaped combustion chamber as claimed in claim 1, wherein the wedge-shaped combustion chamber (12) comprises a second arc ring (124) and a first arc ring (121) which are positioned on the bottom surface of the cylinder head (1), one end of the second arc ring (124) is connected with one end of the first arc ring (121) through an outer arc connecting surface (123), the other end of the second arc ring (124) is connected with the other end of the first arc ring (121) through an inner arc connecting surface (126), a second concave arc surface (125) is arranged in the second arc ring (124), and a first concave arc surface (122) connected with the second concave arc surface (125) is arranged in the first arc ring (121).
4. A compound-faced wedge-shaped combustion chamber gasoline engine cylinder head as claimed in claim 3, characterized in that said first arc-shaped ring (121) has a larger radius than said second arc-shaped ring (124), said first concave arc-shaped surface (122) having a larger radius of curvature than said second concave arc-shaped surface (125).
5. The cylinder head of the gasoline engine with the composite surface and the wedge-shaped combustion chamber as claimed in claim 1, wherein the heat exchange mechanism comprises a heat exchange cavity (21) which is arranged inside the cylinder cover (1) and is attached to the outer side wall of the wedge-shaped combustion chamber (12), and air ducts (18) which are symmetrically arranged inside the cylinder cover (1) and are attached to the outer side of the heat exchange cavity (21), two ends of each air duct (18) penetrate through the two ends of the cylinder cover (1) and are respectively communicated with the first air collecting cover (6) and the second air collecting cover (13), heat dissipation fins (15) are arranged on one side of the two air ducts (18) which is attached to the wedge-shaped combustion chamber (12), the front end of each heat exchange cavity (21) is symmetrically provided with a water return port (17) and a water inlet (16) which penetrate through the cylinder cover (1), one end of each water return port (17) is connected with a water return pipe (8), one end of the water inlet (16) is connected with a water inlet pipe (10) which penetrates through the first air collecting cover (6), and one end of the water inlet pipe (10) is connected with a filtering component (9).
6. The gasoline engine cylinder head with the composite surface wedge-shaped combustion chamber as claimed in claim 5, wherein the filtering component (9) comprises a cylinder body (91) connected with the water inlet pipe (10), the bottom of the cylinder body (91) is connected with a filtering impurity pipe (95) with a U-shaped structure, a filtering cotton core (92) is arranged at the middle section of the inside of the cylinder body (91), a filtering plate (96) which is obliquely arranged is arranged at the joint of one end of the inner side of the cylinder body (91) corresponding to the filtering impurity pipe (95), a reverse osmosis membrane (93) is arranged at the joint of the other end of the inner side of the cylinder body (91) corresponding to the filtering impurity pipe (95), and a drain outlet (94) is arranged at the bottom of the filtering impurity pipe (95).
7. The cylinder head of the gasoline engine with the composite surface wedge-shaped combustion chamber as claimed in claim 6, wherein a sealing plug is arranged at the bottom of the sewage discharge port (94), and the sealing plug and the sewage discharge port (94) are screwed and fixed through threads.
8. The cylinder head of the gasoline engine with the composite surface and the wedge-shaped combustion chamber as claimed in claim 1, wherein the power of the second heat dissipation fan is lower than that of the first heat dissipation fan (7), and dust screens are arranged on the outer sides of the second heat dissipation fan and the first heat dissipation fan (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520343.2A CN112628012A (en) | 2020-12-21 | 2020-12-21 | Composite surface wedge-shaped combustion chamber gasoline engine cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520343.2A CN112628012A (en) | 2020-12-21 | 2020-12-21 | Composite surface wedge-shaped combustion chamber gasoline engine cylinder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112628012A true CN112628012A (en) | 2021-04-09 |
Family
ID=75320524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011520343.2A Pending CN112628012A (en) | 2020-12-21 | 2020-12-21 | Composite surface wedge-shaped combustion chamber gasoline engine cylinder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112628012A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153907A (en) * | 2014-03-07 | 2014-11-19 | 重庆凯宝动力机械有限公司 | Composite surface wedge-shaped combustion chamber gasoline engine cylinder end |
| CN207245882U (en) * | 2017-09-06 | 2018-04-17 | 重庆飞康机械有限公司 | A kind of high pressure resistant engine cylinder cover of recyclable water cooling |
| CN209100129U (en) * | 2018-11-01 | 2019-07-12 | 张冠新 | A kind of marine diesel dual fuel engine water cooling plant |
-
2020
- 2020-12-21 CN CN202011520343.2A patent/CN112628012A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153907A (en) * | 2014-03-07 | 2014-11-19 | 重庆凯宝动力机械有限公司 | Composite surface wedge-shaped combustion chamber gasoline engine cylinder end |
| CN207245882U (en) * | 2017-09-06 | 2018-04-17 | 重庆飞康机械有限公司 | A kind of high pressure resistant engine cylinder cover of recyclable water cooling |
| CN209100129U (en) * | 2018-11-01 | 2019-07-12 | 张冠新 | A kind of marine diesel dual fuel engine water cooling plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207701200U (en) | Crankcase ventilation structure | |
| CN111997710A (en) | Engine crankcase ventilation system and method | |
| CN115419501B (en) | Engine combustion system with cooperative air inlet channel, cylinder cover and combustion chamber | |
| CN112628012A (en) | Composite surface wedge-shaped combustion chamber gasoline engine cylinder head | |
| CN206448889U (en) | Double air passage air inlet pipe of diesel engine | |
| CN101265829B (en) | Heat exchanger utilizing diesel tail gas thermal quantity and its valve control method | |
| CN215927548U (en) | Natural gas engine precombustion chamber check valve | |
| CN218542436U (en) | Venturi tube and low-pressure EGR system | |
| CN104234818A (en) | Two-stroke internal combustion engine | |
| CN204900010U (en) | Take rotation type to supply exhaust system's engine | |
| CN202001128U (en) | Universal gasoline engine quick radiating cylinder end and gasoline engine therewith | |
| CN204099043U (en) | A kind of two stroke IC engine | |
| CN208669444U (en) | A kind of engine cylinder head | |
| CN104963739B (en) | A kind of engine of the rotary gas supply-discharge system of band | |
| CN210239813U (en) | Outboard engine structure of ring type water-gas separation | |
| CN107762619B (en) | Marine dual-fuel engine | |
| CN208564971U (en) | Compressor with rolling rotor of the open-type twin-tub with second vapor injection | |
| CN201953494U (en) | Engine cylinder head | |
| CN205823489U (en) | A kind of cooler for recycled exhaust gas for electromotor | |
| CN220955777U (en) | Auxiliary ventilation device of engine | |
| CN211314394U (en) | Diesel engine cylinder cover | |
| CN210531006U (en) | Energy-saving cylinder cover assembly of common rail | |
| CN107762613B (en) | Marine gas engine | |
| CN214330763U (en) | Water-cooled four-valve engine cylinder head | |
| CN221806669U (en) | Diesel generator water-cooling shell with good cooling effect |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |
|
| RJ01 | Rejection of invention patent application after publication |