CN116950765A - Two-stroke one-cylinder two-piston engine - Google Patents
Two-stroke one-cylinder two-piston engine Download PDFInfo
- Publication number
- CN116950765A CN116950765A CN202311016171.9A CN202311016171A CN116950765A CN 116950765 A CN116950765 A CN 116950765A CN 202311016171 A CN202311016171 A CN 202311016171A CN 116950765 A CN116950765 A CN 116950765A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- pistons
- piston
- engine
- 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.)
- Withdrawn
Links
- 239000007789 gas Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
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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
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
-
- 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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
-
- 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
- F02B75/00—Other engines
- F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
- F02B75/287—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with several pistons positioned in one cylinder one behind the other
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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
- F02F1/18—Other cylinders
- F02F1/186—Other cylinders for use in engines with two or more pistons reciprocating within same cylinder
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
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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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The invention provides a two-stroke one-cylinder two-piston engine, which comprises a cylinder body, a spark plug and a high-pressure oil nozzle, wherein a cylinder is arranged in the middle of the cylinder body, two opposite pistons are respectively arranged on two sides of the cylinder, the pistons are connected with a crankshaft through connecting rods, the crankshaft is connected with a flywheel, cavities formed between the inner wall of the cylinder and the outer walls of the two pistons are respectively an exhaust chamber and a high-pressure air chamber, openings formed by the exhaust chamber and the pistons during left and right reciprocating motion of the pistons are exhaust ports, openings formed by the high-pressure air chamber and the pistons are air inlets, and the upper side and the lower side of the cylinder are respectively provided with the spark plug and the high-pressure oil nozzle. The engine has simple structure, saves the components such as a cylinder cover, a cam shaft, a rocker arm, a tappet, a throttle valve and the like, reduces the volume of the engine, saves the production cost of the engine, increases the output power of the engine, reduces the manufacturing cost of the engine, improves the output power of the engine and can be popularized and used.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a two-stroke one-cylinder two-piston engine.
Background
Most of the existing engines of the automobile are four-cylinder direct-exhaust engines, so that the volume is large, the heat energy utilization rate is low, and the oiling cost of an automobile owner is increased.
The prior method for increasing the output power of the engine, such as increasing the number of the throttles, the worm gear supercharging and the like, has the advantages that the prior engine has complex structure including a cam shaft, the throttles, the inspiration and the exhaustion consume certain effects, so that the utilization rate of the prior thermal efficiency is still below fifty percent,
therefore, an automobile engine with simple structure, high efficiency and energy saving needs to be solved
Disclosure of Invention
In view of this, the present invention proposes a two-stroke one-cylinder two-piston engine with a simple structure. The specific technical scheme is as follows:
the utility model provides a two-stroke one jar two piston engines, includes cylinder body, spark plug and high pressure fuel sprayer, be equipped with the cylinder in the middle of the cylinder body, the both sides of cylinder are equipped with relative piston respectively, the piston passes through the connecting rod and connects in the bent axle, the bent axle is connected in the flywheel, the cavity that forms between the outer wall of the inner wall of cylinder and two pistons is exhaust chamber and high pressure air chamber respectively, and the opening that exhaust chamber and piston formed is the gas vent when the left and right sides reciprocating motion of piston, and the opening that high pressure air chamber and piston formed is the air inlet, the upper and lower both sides of cylinder are equipped with spark plug and high pressure fuel sprayer respectively.
Further, the exhaust port is larger than the length of the air inlet, and when the two pistons move in opposite directions, the exhaust port is opened before the ball inlet, so that the exhaust gas in the cylinder is discharged first.
Further, the two pistons move oppositely until the air inlet and the air outlet are completely opened, namely, the right dead center and the left dead center, fresh air in the high-pressure chamber enters the air cylinder under the action of high pressure, and meanwhile, residual waste gas in the air cylinder is blown out.
Further, in the process of relative movement of the two pistons, namely the movement to the middle, gas in the cylinder is compressed, the oil nozzle sprays oil, and when the pistons move to the middle dead point, the spark plug ignites.
By adopting the technical scheme, the method has the following beneficial effects:
the engine has simple structure, omits the parts such as the cylinder cover, the cam shaft, the rocker arm, the tappet, the throttle valve and the like, reduces the volume of the engine, saves the production cost of the engine, increases the power output by the engine due to the reduction of the power consumption of the parts such as the cam shaft, the rocker arm, the tappet, the throttle valve and the like, reduces the manufacturing cost of the engine, improves the power output by the engine and can be popularized and used.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention 1;
FIG. 2 is a schematic diagram of the structure of the present invention 2;
FIG. 3 is a schematic diagram of the structure of the present invention, shown in FIG. 3;
FIG. 4 is a schematic diagram of the structure of the present invention 4;
FIG. 5 is a schematic diagram of the structure of the present invention 5;
FIG. 6 is a schematic diagram of the connection of the flywheel;
in the figure: 1-a piston; 2-high-pressure oil spray nozzle; 3-cylinder 3; 4-a cylinder 4; 5-a high-pressure air chamber 5; 6-a spark plug 6; 7-an exhaust chamber 7; 8-a crankshaft 8; 9-a connecting rod 9; 10-flywheel 10; 11-middle dead center 11; 12-left dead center 12; 13-right dead center 13.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1: the two-stroke one-cylinder two-piston 1 engine shown in fig. 1-6 comprises a cylinder body 4, a spark plug 6 and a high-pressure oil nozzle 2, wherein a cylinder 3 is arranged in the middle of the cylinder body 4, opposite pistons 1 are respectively arranged on two sides of the cylinder 3, the piston 1 is connected to a crankshaft 8 through a connecting rod 9, the crankshaft 8 is connected to a flywheel 10, cavities formed between the inner wall of the cylinder 3 and the outer walls of the two pistons 1 are respectively an exhaust chamber 7 and a high-pressure air chamber 5, an opening formed by the exhaust chamber 7 and the piston 1 during left-right reciprocating motion of the piston 1 is an exhaust port, an opening formed by the high-pressure air chamber 5 and the piston 1 is an air inlet, and the upper side and the lower side of the cylinder 3 are respectively provided with the spark plug 6 and the high-pressure oil nozzle 2.
The exhaust port is larger than the length of the air inlet, when the two pistons 1 move in opposite directions, the exhaust port is opened before the ball inlet, waste gas in the air cylinder 3 is discharged first, the two pistons 1 move oppositely to the position where the air inlet and the air outlet are completely opened, namely, the right dead center 13 and the left dead center 12, fresh air in the high-pressure chamber enters the air cylinder 3 under the action of high pressure, and meanwhile, the residual waste gas in the air cylinder is blown out, the two pistons 1 move relatively, namely, in the middle movement process, the gas in the air cylinder 3 is compressed, the oil injection nozzle injects oil, and when the pistons 1 move to the middle dead center 11, the spark plug 6 ignites.
As shown in fig. 1, two pistons 1 run on the left and right sides, namely in opposite directions, under the action of high-pressure gas, meanwhile, a connecting rod 9 is pushed to run, and the connecting rod 9 pushes a crankshaft 8 to do circular motion;
as shown in fig. 2, when the two pistons 1 move to the left dead center 12 and the right dead center 13, both the intake port and the exhaust port are opened, and the fresh air in the high-pressure chamber enters the cylinder 3 under the action of high pressure while the remaining exhaust gas in the cylinder is blown out;
as shown in fig. 3, the flywheel 10 continues to rotate under the action of inertia to drive the crankshaft 8 to rotate, so as to push the pistons 1 to move, when the two pistons 1 move towards the middle, the air inlet and the air outlet are sealed, and simultaneously, the high-pressure fuel injection nozzle 2 injects fuel.
As shown in fig. 4, when the piston 1 is operated to the intermediate dead center 11, the mixture is compressed, and the ignition plug 6 is ignited at this time;
as shown in fig. 5, the two pistons 1 move left and right under the action of the expanding gas, and simultaneously push the connecting rod 9 to move, and the connecting rod 9 pushes the crankshaft 8 to do work.
The engine has simple structure, omits the parts such as the cylinder cover, the cam shaft, the rocker arm, the tappet, the throttle valve and the like, reduces the volume of the engine, saves the production cost of the engine, increases the power output by the engine due to the reduction of the power consumption of the parts such as the cam shaft, the rocker arm, the tappet, the throttle valve and the like, reduces the manufacturing cost of the engine, improves the power output by the engine and can be popularized and used.
While the basic principles and main features of the present invention have been described above, it will be understood by those skilled in the art that the present invention is not limited by the above-described embodiments, which are described in the foregoing description merely illustrate the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a two-stroke one jar two piston engines, includes cylinder body, spark plug and high pressure fuel sprayer, its characterized in that, be equipped with the cylinder in the middle of the cylinder body, the both sides of cylinder are equipped with relative piston respectively, the piston passes through the connecting rod and connects in the bent axle, the bent axle is connected in the flywheel, the cavity that forms between the outer wall of the inner wall of cylinder and two pistons is exhaust chamber and high pressure air chamber respectively, and the opening that exhaust chamber and piston formed is the gas vent when the left and right reciprocation of piston, and the opening that high pressure air chamber and piston formed is the air inlet, the upper and lower both sides of cylinder are equipped with spark plug and high pressure fuel sprayer respectively.
2. A two-stroke, one-cylinder, two-piston engine according to claim 1, wherein the exhaust port is longer than the intake port, and the exhaust port opens prior to the intake port to exhaust gases from the cylinder when the two pistons move in opposite directions.
3. A two-stroke one-cylinder two-piston engine according to claim 1, wherein the pistons are moved in opposition to each other to right dead center and left dead center after the intake port and the exhaust port are completely opened, and fresh air in the high-pressure chamber is introduced into the cylinder under the action of high pressure while remaining exhaust gas in the cylinder is blown out.
4. A two-stroke one-cylinder two-piston engine according to claim 1, wherein the gas in the cylinder is compressed during the relative movement of the two pistons, i.e. the intermediate movement, the fuel injection is performed by the fuel injection nozzle, and the spark plug is ignited when the pistons move to the intermediate dead point.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311016171.9A CN116950765A (en) | 2023-08-14 | 2023-08-14 | Two-stroke one-cylinder two-piston engine |
| DE202024101577.0U DE202024101577U1 (en) | 2023-08-14 | 2024-03-29 | Two-stroke single-cylinder two-piston engine |
| JP2024001951U JP3247863U (en) | 2023-08-14 | 2024-06-14 | 2-stroke, 1-cylinder, 2-piston engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311016171.9A CN116950765A (en) | 2023-08-14 | 2023-08-14 | Two-stroke one-cylinder two-piston engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116950765A true CN116950765A (en) | 2023-10-27 |
Family
ID=88449233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311016171.9A Withdrawn CN116950765A (en) | 2023-08-14 | 2023-08-14 | Two-stroke one-cylinder two-piston engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116950765A (en) |
-
2023
- 2023-08-14 CN CN202311016171.9A patent/CN116950765A/en not_active Withdrawn
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231027 |
|
| WW01 | Invention patent application withdrawn after publication |