CN106401733A - Novel two-stroke internal combustion engine - Google Patents
Novel two-stroke internal combustion engine Download PDFInfo
- Publication number
- CN106401733A CN106401733A CN201611001229.2A CN201611001229A CN106401733A CN 106401733 A CN106401733 A CN 106401733A CN 201611001229 A CN201611001229 A CN 201611001229A CN 106401733 A CN106401733 A CN 106401733A
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- China
- Prior art keywords
- inlet
- casing
- internal combustion
- outlet cylinder
- stroke internal
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- 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.)
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Classifications
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/28—Component parts, details or accessories of crankcase pumps, not provided for in, or of interest apart from, subgroups F02B33/02 - F02B33/26
-
- 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
- F02B2700/00—Measures relating to the combustion process without indication of the kind of fuel or with more than one fuel
- F02B2700/03—Two stroke engines
- F02B2700/037—Scavenging or charging channels or openings
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- 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 discloses a novel two-stroke internal combustion engine. The novel two-stroke internal combustion engine is characterized in that an inlet casing (1) is provided with an inlet casing piston (3), and an exhaust casing (2) is provided with an exhaust casing piston (4); the inlet casing piston (3) is connected with a crankshaft (9) through an inlet casing connecting rod (5) and an inlet casing crank throw (7) in sequence, and the exhaust casing piston (4) is connected with the crankshaft (9) through an exhaust casing connecting rod (6) and an exhaust casing crank throw (8) in sequence; one end of the inlet casing (1) and one end of the exhaust casing (2) are each provided with an end cap (10); air inlets (11) and exhaust holes (12) are formed in the casing walls of the inlet casing (1) and the exhaust casing (2) correspondingly; communicating cavities (13) used as a part of combustion chamber are arranged between the inlet casing (1) and the end cap (10) and the exhaust casing (2) and the end cap (10); and an included angle alpha which is an acute angle is formed between the inlet casing crank throw (7) and the exhaust casing crank throw (8). The structure of a traditional two-stroke internal combustion engine is simplified, the pressure in a combustion cavity is increased, and the combustion efficiency of fuel oil is further improved.
Description
Technical field：
The present invention relates to a kind of internal combustion engine, more specifically refer to a kind of two stroke internal combustion engine.
Background technology：
Using for many years, there is multiple patterns or structure in two stroke internal combustion engine with internal combustion engine, typically has two kinds of structures, its
One is to drive QI KOU (or air vent) on cylinder wall into, and the opening and closing of QI KOU are to come by the reciprocating motion with piston for the bent axle
Control, aerofluxuss (or air inlet) valve is provided with cylinder head, the opening and closing of this valve are controlled by by distribution timing mechanism；Its
Two is to have air inlet and air vent on cylinder wall simultaneously, and air inlet and air vent are all by the up and down motion with piston for the bent axle
To realize opening and closing.The two-stroke internal combustion engine of the first structure is needed valve as existing quartastroke engine and joins
Gas advance/retard mechanism, therefore structure are complex, and manufacturing cost is high, simultaneously because the presence of valve, valve can be to air inlet (or row
Gas) cause resistance, impact air inlet, the efficiency of aerofluxuss；The structure of the two-stroke internal combustion engine of second structure is relatively easy, but this
The internal combustion engine of structure because exhaust gas pressure in cylinder must be made during air inlet to be less than admission pressure, so air vent is on cylinder wall
Position must be higher than air inlet position, at this moment first pass around air vent when descent of piston, when Exhaust Open one
The waste gas after point with larger pressure can discharge cylinder through the portion discharge mouth that has turned on rapidly, the pressure in cylinder rapidly under
Fall, opens air inlet when piston reaches air inlet, and the fresh air (or mixed steam) with certain pressure is filled with cylinder and incites somebody to action
Remainder of exhaust gas blows out cylinder；When piston starts up, because air inlet is less than air vent, so piston first closes air inlet
Mouthful, after air inlet is completely closed by piston, due to air vent, some is higher than air inlet, and air vent is not closed completely
Close, in cylinder, the gas of superatmospheric power still can be discharged from air vent, reduce can compressed air amount, only work as aerofluxuss
After mouth is fully closed, the air ability in cylinder is interior under piston movement to be compressed, and makes the pressure of the air of compression less, reaches not
To desired pressure.Therefore, the energy utilization efficiency of the above-mentioned two-stroke internal combustion engine of two kinds of structures is not high, there is efficiency of combustion
Insufficient defect, the efficiency of combustion how improving two-stroke internal combustion engine is a problem not being resolved for a long time, causes knot
The simple advantage of structure cannot be brought into play.
Content of the invention：
The goal of the invention of the present invention is to disclose a kind of two new punchings improving combustion chamber pressure and can improving fuel efficiency
Journey internal combustion engine.
The technical solution realizing this is as follows：Inlet casing and exhaust casing are respectively equipped with inlet casing piston and exhaust casing work
Plug, respectively order is connected with bent axle inlet and outlet cylinder piston through inlet and outlet cylinder rod, inlet and outlet cylinder crank throw, inlet and outlet cylinder
One end is provided with an end cap, the casing wall of inlet and outlet cylinder is respectively equipped with inlet and outlet hole, has a work between inlet and outlet cylinder and end cap
For the connection cavity of part combustor, between inlet and outlet cylinder crank throw, there is an angle α at an acute angle.
Described inlet and outlet cylinder is to be arranged in parallel.
The axis of described inlet and outlet cylinder has an angle.
Described above-mentioned angle α is 5 °～60 °.
Described end cap is additionally provided with spark plug, and is provided with preheating device.
Described inlet and outlet cylinder is respectively equipped with inlet and outlet cylinder cylinder sleeve.
There is a difference in height between the air inlet of described inlet casing and the steam vent of exhaust casing.
The gross area of described air inlet is more than the gross area of steam vent.
The present invention further simplify the structure of traditional two-stroke internal combustion engine it is important to achieve the aerofluxuss on exhaust casing
Kong Kexian opens the function that aerofluxuss are first closed again, due to achieving the pressure of burning intracavity, can further improve the burning of fuel oil
Efficiency, the results showed the fuel consumption of the internal combustion engine of the present invention can reduce by more than 10%.
Brief description：
Fig. 1 is the structure sectional view of one embodiment of the present of invention.
The structural representation that Fig. 2 is connected with bent axle for crank throw.
Specific embodiment：
Provide the detailed structure description of the specific embodiment of the present invention in conjunction with accompanying drawing, be for ease of the skill to the present invention
The understanding of art scheme, is not construed as the restriction of the scope of the claims to the present invention.
Refer to Fig. 1～Fig. 2, the specific embodiment of the present invention is as follows：Inlet casing 1 and exhaust casing 2 are respectively equipped with inlet casing
Piston 3 and exhaust casing piston 4, inlet and outlet cylinder piston (3,4) is respectively sequentially through inlet and outlet cylinder rod (5,6), inlet and outlet cylinder
Crank throw (7,8) is connected with bent axle 9, and pumping of inlet and outlet cylinder piston (3,4) drives bent axle through above-mentioned attachment structure
9 rotation and export power, one end of inlet and outlet cylinder (1,2) is provided with an end cap 10, and end cap 10 is by inlet and outlet cylinder (1,2)
Bore seal, the casing wall of inlet and outlet cylinder (1,2) is respectively equipped with inlet and outlet hole (11,12), inlet casing 1 can enter through air inlet 11
Enter ozone, waste gas after steam vent 12 exclusion burning for the exhaust casing 2, inlet and outlet cylinder (1,2) has one and end cap 10 between
Connection cavity 13, realizes connecting of inlet casing 1 and exhaust casing 2 by this connection cavity 13, and the gas in two cylinders realizes connection
With turnover inlet and outlet cylinder inner chamber, this connection cavity 13 also as combustor, have between inlet and outlet cylinder crank throw (7,8) one be in sharp
The angle α (shown in Fig. 2) at angle, then inlet casing piston 3 and exhaust casing piston 4 are equipped with one in the high-low-position of inlet casing 1 and exhaust casing 2
Alternate position spike；When bent axle 9 rotates, steam vent 12 will be opened when exhaust casing piston 4 is descending, and air inlet 11 will not be opened simultaneously, two
The waste gas communicating within the chamber above piston (3,4) is discharged by steam vent 12, and when exhaust casing piston 4 continues traveling downwardly, inlet casing is lived
Plug 3 unlatching air inlet 11 makes fresh air enter inlet casing 1, and fresh air orders about waste gas to be continued to discharge exhaust casing 2；Work as exhaust casing
When piston 4 is up, steam vent 12 will be closed in advance, inlet casing piston 3 turns off air inlet 11 through a lag time, then afterwards
Inlet and outlet cylinder piston (3,4) is all up to be compressed to fresh air, makes the air above two-piston (3,4) reach one relatively
High pressure, the fueling injection equipment oil spout that end cap 10 is provided with simultaneously is lighted a fire (this is prior art, therefore is not described in detail), realizes this
The circulation of the piston in bright inlet and outlet cylinder (1,2) moves up and down.The structure of the above embodiment of the present invention be arranged side by side enter,
Exhaust casing (1,2) has a connection cavity 13 with part combustor function sharing, and realizes two-piston (3,4) is moved back and forth
Drive it is important to above-mentioned inlet and outlet cylinder crank throw (7,8) the angled poor α in the connection of bent axle 9, make inlet and outlet cylinder piston
(3,4) stroke in cylinder has a line path difference, and exhaust casing piston 4 first opens steam vent 12, and first closing steam vent 12 is realized
The compression to fresh air for the two-piston, improves the pressure of air, and then achieves in the case of being not provided with pressurizer
Pressure in combustor (chamber) and the efficiency of combustion improving fuel oil, have reached the purpose increasing fuel-economizing, also can reduce waste gas simultaneously
Composition and reduce the pollution to environment.
For improving the technique effect of the present invention further, described inlet and outlet cylinder (1,2) is to be arranged in parallel, and this can make whole
The structure of individual internal combustion engine is more compact, reduces manufacturing cost, and the axis of certainly above-mentioned inlet and outlet cylinder (1,2) has an angle to set
Put, as V-type setting, to reduce the frictional force between each parts, and form more favourable fortune with above-mentioned two crank throws (7,8)
Row state；Between angle α between above-mentioned two crank throws (7,8) is preferably 5 °～60 °, too small angle α is to two-piston (3,4)
Progressive error too little, be unfavorable for aerofluxuss and air inlet, excessive angle α will make mechanical friction excessive, increase frictional resistance and power
Loss；For ease of technical scheme, there is the more preferably suitability, end cap 10 is provided with spark plug, and be provided with pre- hot charging
Put, this can make above-mentioned internal combustion engine be suitable for startup under various oil products and low temperature；For increasing the structural strength of described internal combustion engine, entering
Cylinder 1 and exhaust casing 2 are provided with inlet casing cylinder sleeve 14 and exhaust casing cylinder sleeve 15；For improving the efficiency of intake and exhaust further, above-mentioned
The air inlet 11 of inlet casing 1 and the steam vent 12 of exhaust casing 2 between have a difference in height, this difference in height and above-mentioned angle α shape
Become more preferably respective outer side edges, reach more preferable efficiency of combustion and reduce oil consumption.In order to further improve the entrance of fresh air
With the discharge to the waste gas after burning, the gross area of the described air inlet 11 of inlet casing 1 is more than the steam vent 12 of exhaust casing 2
The gross area, so more convenient fresh air enters in inlet casing 1 in a large number, and substantial amounts of fresh air enters exhaust casing 2 by waste gas
That discharges is more thorough, the efficiency of combustion of the present invention is had again and improves further.
Claims (8)
1. a kind of novel two stroke internal combustion is it is characterised in that inlet casing (1) and exhaust casing (2) are respectively equipped with inlet casing piston
(3) and exhaust casing piston (4), inlet and outlet cylinder piston (3,4) respectively order through inlet and outlet cylinder rod (5,6), inlet and outlet cylinder
Crank throw (7,8) is connected with bent axle (9), and one end of inlet and outlet cylinder (1,2) is provided with an end cap (10), inlet and outlet cylinder (1,2)
Inlet and outlet hole (11,12) is respectively equipped with casing wall, between inlet and outlet cylinder (1,2) and end cap (10), has one as part combustor
Connection cavity (13), inlet and outlet cylinder crank throw has an angle α at an acute angle between (7,8).
2. the novel two stroke internal combustion as described in claim 1 is it is characterised in that described inlet and outlet cylinder (1,2) is parallel
Setting.
3. the novel two stroke internal combustion as described in claim 1 is it is characterised in that the axis of described inlet and outlet cylinder (1,2)
There is an angle.
4. the novel two stroke internal combustion as described in claim 1 or 2 or 3 is it is characterised in that described above-mentioned angle α is 5 °
～60 °.
5. the novel two stroke internal combustion as described in claim 4 is it is characterised in that described end cap (10) is additionally provided with spark plug,
And it is provided with preheating device.
6. the novel two stroke internal combustion as described in claim 5 is it is characterised in that described inlet and outlet cylinder (1,2) sets respectively
There is inlet and outlet cylinder cylinder sleeve (14,15).
7. the novel two stroke internal combustion as described in claim 6 is it is characterised in that the air inlet (11) of described inlet casing (1)
There is a difference in height and the steam vent (12) of exhaust casing (2) between.
8. the novel two stroke internal combustion as described in claim 7 is it is characterised in that the gross area of described air inlet (11) is big
The gross area in exhaust casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001229.2A CN106401733A (en) | 2016-11-15 | 2016-11-15 | Novel two-stroke internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001229.2A CN106401733A (en) | 2016-11-15 | 2016-11-15 | Novel two-stroke internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106401733A true CN106401733A (en) | 2017-02-15 |
Family
ID=59230421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611001229.2A Pending CN106401733A (en) | 2016-11-15 | 2016-11-15 | Novel two-stroke internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106401733A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529246A (en) * | 2019-01-11 | 2019-12-03 | 李正宇 | Tandem two-stroke engine with double cylinders |
| CN112112731A (en) * | 2020-09-11 | 2020-12-22 | 李永志 | Double-shaft double-piston double-working-medium two-stroke internal combustion engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100321B (en) * | 1985-04-01 | 1985-09-10 | 大连海运学院 | A diesal engine with oil-cushioned piston |
| CN1064916A (en) * | 1991-08-23 | 1992-09-30 | 郝成武 | Gas-filled two-stroke internal combustion engine |
| CN2332817Y (en) * | 1996-06-26 | 1999-08-11 | 赵哲 | Dual-cylinder abreast synchronous tandem two-stroke I. C. engine |
| CN1232136A (en) * | 1998-04-12 | 1999-10-20 | 杨文斌 | Reciprocating rotary piston two-stroke IC engine |
| CN2345704Y (en) * | 1998-03-08 | 1999-10-27 | 仝布江 | Energy-saving pollution-reducing two-stroke engine |
| CN1263983A (en) * | 2000-03-15 | 2000-08-23 | 陈太平 | Cylinder-paried two-stroke self-boosting engine |
-
2016
- 2016-11-15 CN CN201611001229.2A patent/CN106401733A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100321B (en) * | 1985-04-01 | 1985-09-10 | 大连海运学院 | A diesal engine with oil-cushioned piston |
| CN1064916A (en) * | 1991-08-23 | 1992-09-30 | 郝成武 | Gas-filled two-stroke internal combustion engine |
| CN2332817Y (en) * | 1996-06-26 | 1999-08-11 | 赵哲 | Dual-cylinder abreast synchronous tandem two-stroke I. C. engine |
| CN2345704Y (en) * | 1998-03-08 | 1999-10-27 | 仝布江 | Energy-saving pollution-reducing two-stroke engine |
| CN1232136A (en) * | 1998-04-12 | 1999-10-20 | 杨文斌 | Reciprocating rotary piston two-stroke IC engine |
| CN1263983A (en) * | 2000-03-15 | 2000-08-23 | 陈太平 | Cylinder-paried two-stroke self-boosting engine |
Non-Patent Citations (1)
| Title |
|---|
| 陈家瑞: "《汽车构造（上册）》", 28 February 2009, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529246A (en) * | 2019-01-11 | 2019-12-03 | 李正宇 | Tandem two-stroke engine with double cylinders |
| CN112112731A (en) * | 2020-09-11 | 2020-12-22 | 李永志 | Double-shaft double-piston double-working-medium two-stroke internal combustion engine |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |