CN102322344A - Engine - Google Patents
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- CN102322344A CN102322344A CN201110244486A CN201110244486A CN102322344A CN 102322344 A CN102322344 A CN 102322344A CN 201110244486 A CN201110244486 A CN 201110244486A CN 201110244486 A CN201110244486 A CN 201110244486A CN 102322344 A CN102322344 A CN 102322344A
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- engine
- connecting rod
- crankshaft journal
- cylinder
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Abstract
The invention discloses an engine, which comprises a plurality of connecting rods and a plurality of air cylinders, wherein the air cylinders are arranged in two rows; and connecting rods of each row of air cylinders are positioned in the same plane and are connected to the same crank journal. The advantages of a four-stroke engine and a two-stroke engine in the prior art are added to the engine. The engine has the advantages of light weight, low noise, high fuel utilization rate, compact size, convenience in carrying, and high power and weight ratio.
Description
Technical field
The present invention relates to engine art, more particularly, relate to a kind of engine.
Background technique
Known from institute, the major component of engine is exactly a cylinder, is exactly the power producer of whole automobile here.Cylinder comprises cylinder body, inlet hole, oil transportation hole, air outlet hole, piston and spark plug (petrol engine).Cylinder injects gasoline and air through inlet hole and oil transportation hole, in cylinder, fully mixes, and behind the spark ignitor mixture, mixture is knocking fuel fiercely, promotes piston and moves downward, and produce power.Simultaneously, the pressure that explosive gas is huge is also pushed the air outlet hole of one-way valve, combustion gas open.Then, residual gas turns cold gradually in the cylinder, the air pressure step-down, and cylinder atmosphere outside pressure promotes piston again and moves upward, and explodes with preparation next time.Simple principle that Here it is.
Present four-stroke radially internal-combustion engine is more extensive in the application of aviation, automobile, maritime affairs and industrial field.Quartastroke engine is known because of its intrinsic reliability and fuel saving, and is applied to every field, from the lawn mower engine to the car engine, yacht.Yet low power that four-stroke engine is intrinsic and power-weight ratio also are relatively distinct issues.
The present two stroke engine of baby plane, noise is big and operate steadily not as four stroke engine; The four stroke engine of present baby plane, relative weight ratio is bigger, is unfavorable for aircraft utilization, and price comparison is expensive; Existing radial engines fuel consumption rate is higher relatively; Existing power-weight ratio is not too high.
Summary of the invention
The technical problem that the present invention will solve is, the engine that provide a kind of and operate steadily, noise is little, weight is lighter.
The technical solution adopted for the present invention to solve the technical problems is: a kind of engine comprises: a plurality of connecting rods and a plurality of cylinder, and said a plurality of cylinders are divided into two rows, and each connecting rod of every exhaust casing is positioned at same plane, is connected to a common crankshaft journal.
In engine of the present invention, every exhaust casing is three, three shared said crankshaft journal bearing surfaces of connecting rod, and each takies 1/4th of said crankshaft journal.
In engine of the present invention, said a plurality of cylinders are arranged in the form of a ring.
In engine of the present invention, said a plurality of cylinders are the uniformity annular arrangement.
In engine of the present invention, said a plurality of length of connecting rods are 3.54 inches.
In engine of the present invention, the end of each connecting rod connects an arc flange.
In engine of the present invention, the bending radius of said arc flange is consistent with the bending radius of crankshaft journal.
In engine of the present invention, described arc flange occupies 25% crankshaft journal girth bearing surface.
In engine of the present invention, said two exhaust casings and piston are static equilibrium.
In engine of the present invention, said engine integral body is hexagon.
The engine of embodiment of the present invention has following beneficial technical effects: before having merged and the four-stroke of existing technology and the advantage of two stroke engine, and in light weight, low noise, high fuel availability.So radially its compact dimensions of engine is lighter for this, so power and weight ratio are bigger.
Description of drawings
Fig. 1 is one one kinds of engine structure skeleton diagrams of existing technology of the present invention;
Fig. 2 is a kind of engine partial structurtes of embodiment of the invention plan views;
Fig. 3 is the overall structure plan view of embodiment of the invention engine;
Embodiment
By specifying technology contents of the present invention, structure characteristics, realized purpose and effect, give explanation below in conjunction with mode of execution and conjunction with figs. are detailed.
By common practise, we can know: the engine motor can be divided into two cycle engine and four-stroke engine, and two cycle engine is meant that piston moves two strokes and bent axle and turns around and accomplish the engine of a work cycle in the cylinder.Four-stroke engine is meant that piston moves four strokes or the bent axle cylinder that takes two turns and accomplishes the engine of a work cycle, and these two kinds of engines can use various raw materials to drive.
See also Fig. 1, in existing technology of the present invention, a kind of engine structure schematic representation comprises:
Filler opening 10, spark plug 20, cylinder 30, air outlet 40, suction port 50, the tip 60, piston 70, connecting rod 80, crankshaft journal 90, bent axle 100, crankcase 110.Cylinder 30 body both sides are provided with air outlet 40 and suction port 50 relatively; Connecting rod 80 1 ends are articulated in a pin 60 (this pin 60 is worn the inside of tying in piston 70), and the other end is articulated on the bent axle 100 set in the cylinder block 30 bottom crankcases 110, specifically is connected on the crankshaft journal 90 of bent axle 100 usually.When the oil gas of piston 70 in cylinder block 30 inner upward stroke summit compressed mixed, spark plug 20 is lighted the oil gas of compression and is exploded, and can piston 70 be advanced to down stroke; Output power through bent axle 100, and piston 70 is when down stroke to air outlet 40, the waste gas of combustion explosion just can be discharged; Moment that waste gas is discharged can be in the air outlet 40 produce venturi effect and crankcase 110 precompressed; Make cylinder block 30 be negative pressure state, can suck the oil gas that mixes by suction port 50 (being provided with one-way cock), this moment, piston 70 utilized connecting rod 80; The rotating power of bent axle 100; The promotion of generation upward stroke, and the oil gas of compressed mixed and igniting blast once more moved so that drive bent axle 100 to down stroke thereby promote piston 70 once more.
See also Fig. 2, Fig. 3, the embodiment of the invention, a kind of engine comprises: crankshaft journal 90, a plurality of connecting rod 80, a plurality of cylinder 30, the tip 60, connecting rod snap ring 120, arc flange 130.Said a plurality of cylinder 30 is divided into two rows, and each connecting rod 80 of every exhaust casing 30 is positioned at same plane, is connected to a common crankshaft journal 90; Fixing through a connecting rod snap ring 120; As can be seen from the figure, every exhaust casing 30 is three, three connecting rod 80 common crankshaft necks 90 bearing surfaces; Preferably, each takies 1/4th of crankshaft journal 90.Operation for ease, a plurality of cylinders 30 are arranged in the form of a ring, and preferably, said a plurality of cylinders 30 are the uniformity annular arrangement.A plurality of connecting rod 80 length are 3.54 inches.The end of each connecting rod 80 connects an arc flange 130.The bending radius of said arc flange is consistent with the bending radius of crankshaft journal 90, and described arc flange occupies 25% crankshaft journal 90 girth bearing surfaces.Said two exhaust casings and piston are static equilibrium.Remake below and specify.
The present invention's engine provide efficient and low weight at the four-stroke of 45-65 horsepower engine radially.Reach the four-stroke of existing technology and the advantage of two stroke engine before having merged.This engine can the same smooth running of four-stroke, yet weight is but very light, low noise, high fuel availability.So radially its compact dimensions of engine is lighter for this, so power and weight ratio are bigger.Because two exhaust casings, three cylinders of every row, totally six cylinders are arranged.Such arrangement can per 120 ° be done merit one time, and perhaps each rotation has 30 actings of three cylinders.System of two exhaust casings, 30 every seniority among brothers and sisters journeys, their instantaneous center of gravity is a circular trace, so be to equate between two rows and be transient equiliblium on the contrary.That is to say that an exhaust casing 30 is static balances with an other exhaust casing 30.Through experiment confirm, this radially the nt wt net weight of engine be to be less than 84 pounds.Therefore, each only requires to produce 11 horsepowers and starts a small aircraft in six cylinders 30.Each cylinder 30 all is exposed to separately in the flow air stream is convenient to cooling, does not need baffle plate and conduit.It is controlled that the low horsepower output rating of cylinder 30 makes the cooling of engine require, and this is an extra advantage.
In the present invention, can be provided with two exhaust casing holes in fixing device, each row has each hole, 3 holes that a cylinder 30 is installed.On the bent axle 100 of the piston 70 of connecting rod 80 join dependencys in the crankcase 110.Connecting rod 80 is fixed on the piston 70 that uses major diameter full floating wrist pin 60.Each connecting rod 80 of each row's cylinder 30 is positioned on the same plane, is connected to a common crankshaft journal 90.Connecting rod is fixed on the crankshaft journal 90 with retaining ring (i.e. connecting rod snap ring 120 among the figure) safely.Three connecting rod 80 shared crankshaft journal 90 bearing surfaces, each takies 1/4th of crankshaft journal 90 girths.The lubricated of crankshaft journal 90 undertaken by the stream oil passage that prolongs out through bent axle.The oil lubrication crankshaft journal 90 that has pressure of oil duct the inside, the end that can make connecting rod 80 is in crankshaft journal 90 cofree slips.
As can beappreciated from fig. 3, the present invention's engine is the tubbiness hexagonal closed box of a compactness.Yet the profile of crankcase 110 may change, and describes a usefulness as diagram with hexagonal.Crankcase 110 usefulness high tenacity, 356 aluminium and be heat-treated to T6 and cast.Comprise two row of openings installing connecting rods 80 in the crankcase 110, evenly distributed in the form of a ring around it.Cylinder 30 usefulness bolts are installed on the shell.Each exhaust casing 30 forms a system, and their instantaneous barycenter has an annular trace roughly, is to equate and opposite transient equiliblium between two rows.That is to say that an exhaust casing 30 is static balances with an other exhaust casing 30.Two exhaust casings are offset may cause slight uneven or shaking moment when incomplete, can be with installing and fixing or balancing axle of aircraft solves.
30 li in each cylinder be pistons reciprocating 70, piston rod 80 usefulness major diameter full floating wrist pins 60 are fixed on each piston 70.Each connecting rod 80 extends internally through the opening in the relative crankcase shell, also is fixed on the bent axle 100, and bent axle 100 is along with the longitudinal extension of shell.As people know, be the structure of single cylinder list lid, also accomplished appropriately to arrange for the turnover discharging of igniting, air and fuel.Cylinder head is with aluminum alloy 356 heat treated T6 casting.Valve size and size of seal contact face are very big for each displacement volume and rotating speed influence.Cast iron valve seat ring and cylinder head integral cast.For wear resistance and fittings supply convenience, the valve of the valve of suction port 50 and air outlet 40 preferably all is the stainless steel type.Because engine speed is very low, valve spring only need apply an about pressure of 40 pounds at intermediate range, thereby on the chain of valve, has reduced wearing and tearing.In the present invention, cylinder head comprises the firing chamber of dark 5mm, wears a flame-out zone that 2mm is high on the piston.This makes compressibility be set to 9.5 to 1, can use senior unleaded gas.Each cylinder 30 uses and can use two spark plugs 20 to strengthen its igniting reliability and combustion efficiency.These two spark plugs 20 are placed in flame length and pinking trend are minimized.Each cylinder head is installed in each cylinder, with the long cylinder head bolt of four 10mm.
Connecting rod 80 is star in crankcase 110 is supported by bent axle 100.Bent axle 100 preferably forging is made; Heat treatment table surface hardness Rockwell hardness number C50. connecting rod is relatively short; The general 3.54inch. connecting rod 20 of length is axles; Its terminal is at an end that is connected in the expansion of piston, and this end has confirmed that the size of traversing opening connects connecting rod and piston via the wrist pin that receives.
Each connecting rod has an arch flange in the end opposite of enlarged distal tip.The bending radius of arch flange is consistent with the bending radius of crankshaft journal.The arch flange extends to piston 70 surfaces that axle has been confirmed the bent axle both sides.Connecting rod 80 is that the steel casting is heat-treated to surface hardness Rockwell hardness number 50HRC. at least
Connecting rod 80 usefulness pair of links snap rings 120 are limited on the crankshaft journal 90.Connecting rod snap ring 120 by two screw together.Connecting rod snap ring 120 remains on connecting rod 70 on the crankshaft journal 90 in each piston 70 compression stroke process.Connecting rod 80 needed strength on crankshaft journal 90 is relatively littler than the thrust that piston sends in working stroke during compression stroke.When connecting rod snap ring 120 remains on 90 last time of crankshaft journal with connecting rod 80, connecting rod snap ring 120 is the comparison pine relatively, and arc flange 130 is slided on crankshaft journal 90 surfaces.Arc flange 130 each other or move, near or remove, yet they can not be in contact with one another.The lubricant oil continuous lubrication that crankshaft journal 90 provides through oil duct along with connecting rod 80 slides, exports intermittent opening on crankshaft journal 90, making has the oil of pressure can be sprayed into the internal component of the lubricated engine of bent axle housings.
In the motion of engine four stroke cycle, when cylinder 30 igniting, piston 70 is pushed down, and therefore also impels connecting rod 80 downward top crankshaft journals 90 to give bent axle 100 and rotates.The Driving force that connecting rod 80 is passed to crankshaft journal 100 is normal perhaps on the correct angle in crankshaft journal 90 surfaces.Because crankshaft journal 90 is along their circular path for translation, they can promote piston 70 upwards, to their compression stroke.Connecting rod snap ring 120 is limited to connecting rod 80 on the crankshaft journal 90, because piston 70 is upwards pushed in the cylinder 30, pours cylinder 30 fuel and air is lighted a fire according to predetermined order.
Can find out that from the description of front all parts of engine radially are relatively simple and be standardized.The manufacturing of engine is very simple, and installing/dismounting is also than being easier to.Piston 70 is popular parts of standard with cylinder 30, is processed widely and uses.
Piston 70 is band steel embedding things of aluminium casting.Cylinder 30 is cylinder iron made, whole band radiating fin.The use of spare unit can make supply at any time, can also avoid any design to cause cylinder 30 problems.Engine has very good air cooling characteristics.Each independent cylinder all is exposed in the flow air, does not need the conduit of a lot of baffle plates.Crankcase is simple unified shape, and the low horsepower output and the air cooling characteristics of each cylinder 30 have been guaranteed can not cause hot tensile strength and unsettled distortion because of thermal expansion.And the compact design of engine greatly reduces the weight of engine, thereby efficient, and is light and handy, is fit to aeroengine.
The engine of embodiment of the present invention has following beneficial effect: reach the four-stroke of existing technology and the advantage of two stroke engine before having merged.This engine can be as the four-stroke smooth running, yet weight is but very light, low noise, high fuel availability.So radially its compact dimensions of engine is lighter for this, so power and weight ratio are bigger.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. engine, comprising: a plurality of connecting rods and a plurality of cylinder is characterized in that: said a plurality of cylinders are divided into two rows, and each connecting rod of every exhaust casing is positioned at same plane, is connected to a common crankshaft journal.
2. engine according to claim 1 is characterized in that, every exhaust casing is three, three shared said crankshaft journal bearing surfaces of connecting rod, and each connecting rod takies 1/4th of said crankshaft journal.
3. engine according to claim 1 is characterized in that, said a plurality of cylinders are arranged in the form of a ring.
4. engine according to claim 3 is characterized in that, said a plurality of cylinders are the uniformity annular arrangement.
5. engine according to claim 1 is characterized in that, said a plurality of length of connecting rods are 3.54 inches.
6. engine according to claim 1 is characterized in that, the end of each connecting rod connects an arc flange.
7. engine according to claim 6 is characterized in that the bending radius of said arc flange is consistent with the bending radius of crankshaft journal.
8. engine according to claim 7 is characterized in that, described arc flange occupies 25% crankshaft journal girth bearing surface.
9. engine according to claim 1 is characterized in that, said two exhaust casings and piston are static equilibrium.
10. engine according to claim 1 is characterized in that, said engine integral body is hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110244486A CN102322344A (en) | 2011-08-24 | 2011-08-24 | Engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110244486A CN102322344A (en) | 2011-08-24 | 2011-08-24 | Engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102322344A true CN102322344A (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110244486A Pending CN102322344A (en) | 2011-08-24 | 2011-08-24 | Engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926868A (en) * | 2012-10-16 | 2013-02-13 | 黎湘平 | Power output mechanism of automotive engine |
| CN109209824A (en) * | 2018-09-30 | 2019-01-15 | 中石化石油机械股份有限公司研究院 | Reciprocating compressor air floating piston |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB149397A (en) * | 1919-05-06 | 1920-08-06 | Charles Benjamin Redrup | Improvements in and relating to internal combustion engines |
| US1938270A (en) * | 1930-03-31 | 1933-12-05 | Packard Motor Car Co | Internal combustion engine |
| DE3134791A1 (en) * | 1981-09-02 | 1983-03-10 | Josef 8890 Aichach Gail | Internal combustion engine |
| CN1751173A (en) * | 2003-02-21 | 2006-03-22 | 保罗·亚历山德里尼 | Radial engine |
| CN202220658U (en) * | 2011-08-24 | 2012-05-16 | 上海北星实业有限公司 | Engine |
-
2011
- 2011-08-24 CN CN201110244486A patent/CN102322344A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB149397A (en) * | 1919-05-06 | 1920-08-06 | Charles Benjamin Redrup | Improvements in and relating to internal combustion engines |
| US1938270A (en) * | 1930-03-31 | 1933-12-05 | Packard Motor Car Co | Internal combustion engine |
| DE3134791A1 (en) * | 1981-09-02 | 1983-03-10 | Josef 8890 Aichach Gail | Internal combustion engine |
| CN1751173A (en) * | 2003-02-21 | 2006-03-22 | 保罗·亚历山德里尼 | Radial engine |
| CN202220658U (en) * | 2011-08-24 | 2012-05-16 | 上海北星实业有限公司 | Engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926868A (en) * | 2012-10-16 | 2013-02-13 | 黎湘平 | Power output mechanism of automotive engine |
| CN102926868B (en) * | 2012-10-16 | 2015-11-18 | 黎湘平 | A kind of power output mechanism of automotive engine |
| CN109209824A (en) * | 2018-09-30 | 2019-01-15 | 中石化石油机械股份有限公司研究院 | Reciprocating compressor air floating piston |
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Application publication date: 20120118 |