CN103742258A - Novel rotary engine - Google Patents
Novel rotary engine Download PDFInfo
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- CN103742258A CN103742258A CN201310744138.8A CN201310744138A CN103742258A CN 103742258 A CN103742258 A CN 103742258A CN 201310744138 A CN201310744138 A CN 201310744138A CN 103742258 A CN103742258 A CN 103742258A
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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
Abstract
A novel rotary engine comprises a cylinder body, a rotor and pistons, wherein a closed contour line is formed on the inner wall of the cylinder body cut in an any radial cross section mode, an upper dead center is formed at the top end of the contour line, a lower dead center is formed at the bottom end of the contour line, gradually changing arcs are formed from the upper dead center to the lower dead center and from the lower dead center to the upper dead center, and the gradually changing arc in the clockwise direction comprises a gradually opening section and a gradually closing section which are connected in sequence. Two combustion chambers placed side by side are arranged on the cylinder body, and spark plugs and oil spray nozzles are arranged in the combustion chambers. Piston grooves are formed in the periphery of the rotor, the pistons are pivoted in the piston grooves and capable of being turned out of the piston grooves during rotor rotation, one end of each piston is pivoted in the corresponding piston groove, and a stress face is formed at the other end of each piston. The size of the novel rotary engine is small. Compared with an existing rotary engine, the novel rotary engine does not need a timing gear, a cam shaft, a rocker arm, an air valve and other complicated air distribution mechanisms, a structure of the rotary engine is simplified, and the novel rotary engine is easy to maintain and repair.
Description
Technical field
The present invention relates to a kind of motor, specifically a kind of novel rotary engine.
Background technique
Traditional motor is conventional engine, and its compression stroke, combustion stroke and expansion stroke are all to carry out in single cylinder, therefore, just causes it to have the too much defect of kinetic energy rejection, thereby is difficult to realize High Rotation Speed, and output power is relatively low.In addition, traditional reciprocating-piston engine in the course of the work, between piston and bent axle, produce larger interaction force, this just requires piston and bent axle to have higher intensity, therefore, the size that need to increase piston, bent axle and cylinder body makes up the defect of its strength deficiency, and this just causes the volume of whole motor relatively large.
General rotary engine can overcome the above-mentioned defect of reciprocating-piston engine, but, all there is the problems such as complex structure, burning and blast efficiency are low in current rotary engine, as disclosed rotary engine in the publication number patent documentation that is CN101133236, its structure is comparatively complicated, exists and is difficult to maintenance and the high defect of cost.In addition, also there is the deficiency that rate of combustion is lower in current rotary engine, and this is too long and narrow due to the chamber that its rotary piston coordinates with inboard wall of cylinder block often, and in blast process, producing pressurized gas, to act on the loss of epitrochanterian instantaneous thrust acting relatively large.
In sum, reducing under the prerequisite of motor volume, the structure of simplification motor, the efficiency of raising engine combustion are current problems in urgent need to solve.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of rotary engine, and it can effectively improve combustion efficiency, and have advantages of simple in structure, volume is little.
For achieving the above object, the present invention adopts following technological scheme:
Novel rotary engine, comprises,
Cylinder body, the inboard wall of cylinder block that any radial cross section of cylinder body intercepts all forms the profile line of a sealing, the tip portion of this profile line forms a top dead center, bottom forms a lower dead center, distance between top dead center and lower dead center and the central shaft of cylinder body is r, top dead center is to lower dead center, lower dead center to all forming a gradual change camber line between top dead center, in the clockwise direction, gradual change camber line comprises the gradually section of opening that is linked in sequence and the section of closing gradually; On cylinder body, be provided with two firing chambers that are arranged side by side, in firing chamber, be provided with spark plug and oil nozzle, the both sides that are positioned at top dead center on cylinder body are respectively arranged with an air intlet that firing chamber and inner chamber of cylinder block are communicated with and the combustion gas mouth of charging, air intlet and combustion gas charge mouth in the clockwise direction order arrange; The both sides that are positioned at lower dead center on cylinder body are respectively arranged with outlet pipe and the suction tude being communicated with the inner chamber of cylinder body, and outlet pipe and suction tude in the clockwise direction order are arranged;
Be arranged in inner chamber of cylinder block and be articulated in rotor by a rotating shaft and cylinder body, the radius of rotor is r, and the rotation axis of rotating shaft overlaps with the central shaft of cylinder body; The periphery of rotor is provided with piston groove;
Be articulated in piston groove and the piston that can produce from piston groove when rotor rotates, one end of piston is articulated in piston groove, the other end forms a compression face, piston clockwise rotates and just crosses combustion gas while charging mouthful place, compression face is just to the combustion gas mouth of charging, the outboard end of compression face form one with the laminating end of the airtight laminating of inwall of cylinder body.
One end of piston groove forms a sliding wall being slidably matched with compression face, and one end relative with sliding wall forms a pivot end, piston groove outside form one with the diapire of piston groove just to and opening portion for supplying piston to produce; On piston, form one with the just right one end of compression face and be articulated in pivot end inner rotation end.
The internal surface of piston, the diapire of piston groove and sliding wall surround an inner cavity chamber jointly, are provided with one by inner cavity chamber and inner chamber of cylinder block conducting intercommunicating pore on piston.
On cylinder body, be provided with outer vent and inner vent, this outer vent is used for the inner chamber of cylinder body and external environment connect, and when inner cavity chamber turns to inner vent, inner vent is by inner cavity chamber and external environment connect.
In the clockwise direction, the angle that on rotor, any point turns to its immediate inner vent from top dead center or lower dead center is θ 1,30≤θ 1≤70; In the clockwise direction, on rotor, any point is θ 2,30≤θ 2≤90 from the angle of its immediate outer vent of top dead center or lower dead center rotation.
The charge mouthful rotary timing valve at place of one combustion gas that is positioned at two firing chambers is also installed on cylinder body, this rotary timing valve comprises the pin-joint part being rotationally connected with cylinder body, and be uniformly distributed in multiple the first occlusion parts of charging mouthful for blocking combustion gas in periphery, pin-joint part, be uniformly distributed in multiple second occlusion parts of periphery, pin-joint part for shutoff air intlet, the second occlusion part and the first occlusion part stagger mutually at the circumferencial direction of pin-joint part, between two first adjacent occlusion parts, form first opening portion, between two second adjacent occlusion parts, form second opening portion, when one of them first occlusion part blocks one of them combustion gas while charging mouthful, first opening part relative with this first occlusion part in another combustion gas charge mouthful and inner chamber of cylinder block between, in same firing chamber, the first occlusion part blocks combustion gas while charging mouthful, and the second opening portion is dodged air intlet.
Beneficial effect of the present invention is:
Than traditional conventional engine, in the situation that power is suitable, volume of the present invention obviously dwindles, compare existing rotary engine, the present invention is without the complicated distribution device such as timing gear, camshaft, rocking arm, valve is set, simplified the structure of rotary engine, for ease of maintenaince maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the zoomed-in view at A place in Fig. 1;
Fig. 3 is the inner surface contour schematic diagram of cylinder body in Fig. 1;
Fig. 4 is the structural representation of the rotary timing valve of the present invention.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
As Fig. 1, 2, shown in 3, for a kind of rotary engine of the present invention, it comprises cylinder body 10, rotor 20, and six pistons 30, wherein, the inwall of the cylinder body 10 that any radial cross section of cylinder body 10 intercepts all forms the profile line of a sealing, the tip portion of this profile line forms a top dead center a, bottom forms a lower dead center b, distance between top dead center a and lower dead center b and the central shaft of cylinder body 10 is r, top dead center a is to lower dead center b, lower dead center b is to all forming a gradual change camber line between top dead center a, be camber line ab, camber line ba is gradual change camber line, its the two shape is consistent, on camber line ab, there is a summit c, on camber line ba, there is a summit d, wherein, in the clockwise direction, camber line ac is the section of opening gradually, the distance that is the central shaft o of itself and cylinder body increases gradually, in the clockwise direction, camber line cb is the section of closing gradually, and the distance of the central shaft o of itself and cylinder body reduces gradually, and same, camber line bd is gradually the open section consistent with camber line ac shape, and camber line da is gradually the close section consistent with camber line cb shape.
On cylinder body 10, be provided with two firing chambers that are arranged side by side 12, in firing chamber 12, be provided with spark plug 123 and oil nozzle 122, the both sides that are positioned at top dead center a on cylinder body 10 are respectively arranged with an air intlet 121 that firing chamber 12 and cylinder body 10 inner chambers are communicated with and combustion gas and charge mouthfuls 124, air intlet 121 and combustion gas charge mouthfuls 124 in the clockwise direction order arrange, be the left side that air intlet 121 is positioned at top dead center a in diagram, combustion gas is charged mouthfuls 124 and is positioned at the right side of top dead center a.
The both sides that are positioned at lower dead center b on cylinder body 10 are respectively arranged with the outlet pipe 14 being communicated with the inner chamber of cylinder body 10 and a suction tude 13, outlet pipe 14 and suction tude 13 in the clockwise direction order are arranged, be the right side that outlet pipe 14 is positioned at lower dead center in diagram, 13 of suction tude are positioned at the left side of lower dead center b.
In order to ensure piston 30, can from piston groove 21, produce or by the inwall of cylinder body 10, be pushed back piston groove 21 smoothly smoothly; on piston 30, be provided with an intercommunicating pore 36; this intercommunicating pore 36 is extended to the outer surface 34 of piston 30 by the internal surface 33 of piston 30; the internal surface 33 of piston 30, the diapire 213 of piston groove 21 and sliding wall 212 surround an inner cavity chamber jointly; intercommunicating pore 36 is communicated with this inner cavity chamber with the inner chamber of cylinder body 10; thereby make the pressure of inner cavity chamber remain consistent with the chamber pressure of cylinder body 10; thus, can not affect the radial wobble of piston 30.
On cylinder body 10, be provided with two outer vents 15 and two inner vents 16, outer vent 15 is for by the inner chamber of cylinder body 10 and external environment connect; In rotor 20 rotation processes, when above-mentioned inner cavity chamber turns to inner vent 16, inner vent 16 is by inner cavity chamber and external environment connect.
The inner vent 16 corresponding with top dead center a and the particular location of outer vent 15 are as follows: in the clockwise direction, the angle that on rotor 20, any point turns to its immediate inner vent from top dead center or lower dead center is θ 1,30≤θ 1≤70, be shown in Fig. 3, the center of circle e of inner vent 16, the angle between straight line oe and straight line oa is above-mentioned θ 1.In the clockwise direction, on rotor, any point is θ 2,30≤θ 2≤90 from the angle of its immediate outer vent of top dead center or lower dead center rotation, shown in Fig. 3, the center of circle f of outer vent 15, the angle between straight line of and straight line oa is above-mentioned θ 2.Position relationship between the inner vent 16 corresponding with lower dead center b and the position of outer vent 15 and lower dead center b is same as described above, does not do repeat specification here.
In conjunction with Fig. 4, the charge rotary timing valve 125 at mouthful 124 places of one combustion gas that is positioned at two firing chambers 12 is also installed on cylinder body 10, this rotary timing valve 125 comprises the pin-joint part 1251 being rotationally connected with cylinder body 10, and be uniformly distributed in 1251 peripheries, pin-joint part for blocking charge multiple the first occlusion parts 1252 of mouthfuls 124 of combustion gas, be uniformly distributed in multiple second occlusion parts 1254 of 1251 peripheries, pin-joint part for shutoff air intlet 121, the second occlusion part 1254 and the first occlusion part 1252 stagger mutually at the circumferencial direction of pin-joint part 1251, between two first adjacent occlusion parts 1252, form first opening portion 1253, between two second adjacent occlusion parts 1254, form second opening portion 1255, when one of them first occlusion part 1252 blocks one of them combustion gas, charge mouthfuls 124 time, first opening portion 1253 relative with this first occlusion part 1252 another combustion gas charge mouthfuls 124 and cylinder body 10 inner chambers between, in same firing chamber 12, the first occlusion part 1252 blocks combustion gas charges mouthfuls 124 o'clock, and the second opening portion 1255 is dodged air intlet 121.
In working procedure of the present invention, when piston 30 turns over top dead center a clockwise just, one of them firing chamber 12 internal explosion acting, piston 30 is applied to the moment clockwise rotating, rotor is rotated further, this piston 30 starts the waste gas producing after extruding burning, and waste gas is drained into external environment from outer vent 15 and inner vent 16, after having done work in above-mentioned firing chamber, the firing chamber 12 that rotary timing valve 125 completes above-mentioned acting is closed, by air intlet 121 to this inner input compressed-air in firing chamber 12, prepare blast acting next time, simultaneously, when next piston 30 turns over top dead center a just, the combustion gas of another firing chamber 12 is charged and mouthfuls 124 is opened, the moment that these firing chamber 12 internal explosion actings produce continues to put on this next one piston 30, when piston 30 turns to the position of close lower dead center b, the waste gas that these piston 30 blast actings are produced all drains only via outlet pipe 14, when this piston 30 continues to turn over lower dead center b, the volume of the chamber surrounding due to this piston 30 and cylinder body 10 and rotor 20 increases gradually, therefore, air enters into this chamber via suction tude 13, when piston 30 turns over summit d, the volume of this chamber dwindling gradually, the air being inhaled into is compressed, and finally through air intlet 121, be extruded in corresponding firing chamber 12, in the situation that the every rotation one of rotor 20 is enclosed, six equal pressurizeds of piston 30 once, that is to say, do work respectively three times in each firing chamber 12, because rotor 20 of the present invention encloses in every rotation one, do work six times, therefore, can improve greatly the efficiency of rotary engine.
In technique scheme, also can increase firing chamber 12 is set at b place, cylinder body lower end (Fig. 3), each piston 30 of rotary engine of the present invention be rotated and within one week, all do work twice, further improve the volume-power ratio of this motor.
Inventor is by contrasting discovery with existing reciprocating-piston engine:
1, because piston of the present invention no longer bears, promote the push and draw force that bent axle rotates, the structure of piston is simplified greatly, the requirement of strength of piston material is reduced greatly, and the vibration of whole mechanism in operation process is little, noise is little.
2, structure of the present invention is simple in structure and volume is little, easy-maintaining, easily maintenance, and be beneficial to automobile engine nacelle and carry out the improvement of other associated components and the layout of other useful mechanisms.Piston structure of the present invention is simple, size is little, and cost is low, easily changes.
3, power is exported equilibrium, is compacted: at working stroke, when beginning explosive force is large, the stressed sectional area of piston is little; Acting latter end explosive force hour piston lifting surface area is large, so just makes power output balanced; The every rotation of rotor of the present invention one week, continuous doing work six times, an expansion stroke is when acting end, and next new expansion stroke just in time starts.
4, conventional engine, moving in order to improve, often adopt the way that increases number of cylinders, but when number of cylinders increases, mechanical friction loss is increasing, another, because increasing with number of cylinders, connecting rod quantity also increases, and causes bent axle more and more longer, has increased the harsh requirement of the antitorque coefficient of bent axle to crankshaft material.And power of the present invention is just exported very homogeneous, the problems referred to above that do not exist reciprocating-piston engine to exist.
5, conventional reciprocating reciprocating engine, in air inlet---compression stage is subject to the larger resistance of calming the anger, and compression ratio is larger, and the negative work that compression stage consumes is larger.And the present invention is in air inlet---compression stage, piston is just being met the sectional area of calming the anger turning to and is also being reduced gradually, therefore whole gas pressuring stroke, the suffered resistance of calming the anger of piston is little, the merit of calming the anger of consumption is few, thereby has improved effective output torque and effective output.
6, air inlet of the present invention---the resistance of compression stroke is little, and therefore, its efficiency when low, medium speed (below 3000 revs/min) is apparently higher than conventional engine.Therefore, the present invention is more suitable in car urban traffic situation.
8, traditional reciprocating-piston engine need to arrange a set of oil spout---ignition mechanism in each cylinder, and the present invention only need to arrange oil spout near cylinder ends---and ignition mechanism, has reduced the maintenance cost in manufacture cost and use.
In addition, inventor also compares the present invention and existing rotary polygonal piston engine, finds that the present invention has following characteristic:
1, a high major reason of rotary polygonal piston engine oil consumption: make a normal to its rotor end-face from center of rotation, at working stroke, normal both sides are subject to the gaseous-pressure of contrary rotation direction, thereby, considerable part effective power is cancelled, and the present invention does not exist this problem.
2, the piston head of existing rotary polygonal piston engine is sharp stupefied shape, can only arrange a Stamping Steel Ribbon, and its sealing effect is poor, and piston head of the present invention can design to such an extent that circle is flat, can arrange many Stamping Steel Ribbons, and sealing effect is better.
3, the admission space that inner cavity chamber of the present invention, outer chamber add up to is large, can realize the compression ratio more much higher than rotary engine, more effectively improves fuel efficiency and power output.
4, the driving mode (tooth is than 3:1) of rotary polygonal piston engine gearwheel band small gear, its moment of torsion is reduced greatly, and the present invention is just the opposite, and the common reciprocating-piston engine of torque ratio is obviously large, and torque ratio rotary polygonal piston engine is more much bigger.
5, the present invention, without eccentric structure is set, can reduce rotor impact force to cylinder body in rotation process, thereby reduces the vibration of cylinder body.
6, the piston of rotary polygonal piston engine and driving gear connect together, if need to change piston, with high costs, piston structure of the present invention is simple, size is little, and cost is low, easily change.
7, rotary engine air inlet---compression stroke, it is just meeting the sectional area large (sectional area of calming the anger than reciprocating-piston engine is also large) of calming the anger turning to, thereby rotary engine air inlet---compression stroke kinetic energy (power, moment of torsion) loss is large, and this motor is because of air inlet---the resistance of compression stroke is little, thereby kinetic energy (power, moment of torsion) loss ratio rotary polygonal piston engine is significantly little.
The present invention and existing vane rotor engine are compared, find that the present invention has following characteristic:
1, there is following defect in vane rotor engine: in (1) running, form the fierce wiping of cutting to pieces between the back of the body loin of vane stress and the stupefied limit of support zone, rotor upper end; And blade lower curtate and the formation scraping of rotor respective support portion, therefore blade easily damages.(2) comparatively thin blade, is difficult to many Stamping Steel Ribbons of reasonable Arrangement, and motor of the present invention adopts the piston of shaking the head not deposit above-mentioned problem.
2, compare vane rotor engine, the present invention is because having adopted inside and outside chamber design, and its " cylinder " volume and compression ratio all greatly improve; And under same size, " cylinder " of the present invention volume is larger, thereby the power under same size, moment of torsion are also much larger.
to one skilled in the art, can be according to technological scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection domain of the claims in the present invention.
Claims (6)
1. novel rotary engine, is characterized in that, comprise,
Cylinder body, the inboard wall of cylinder block that any radial cross section of cylinder body intercepts all forms the profile line of a sealing, the tip portion of this profile line forms a top dead center, bottom forms a lower dead center, distance between top dead center and lower dead center and the central shaft of cylinder body is r, top dead center is to lower dead center, lower dead center to all forming a gradual change camber line between top dead center, in the clockwise direction, gradual change camber line comprises the gradually section of opening that is linked in sequence and the section of closing gradually; On cylinder body, be provided with two firing chambers that are arranged side by side, in firing chamber, be provided with spark plug and oil nozzle, the both sides that are positioned at top dead center on cylinder body are respectively arranged with an air intlet that firing chamber and inner chamber of cylinder block are communicated with and the combustion gas mouth of charging, air intlet and combustion gas charge mouth in the clockwise direction order arrange; The both sides that are positioned at lower dead center on cylinder body are respectively arranged with outlet pipe and the suction tude being communicated with the inner chamber of cylinder body, and outlet pipe and suction tude in the clockwise direction order are arranged;
Be arranged in inner chamber of cylinder block and be articulated in rotor by a rotating shaft and cylinder body, the radius of rotor is r, and the rotation axis of rotating shaft overlaps with the central shaft of cylinder body; The periphery of rotor is provided with piston groove;
Be articulated in piston groove and the piston that can produce from piston groove when rotor rotates, one end of piston is articulated in piston groove, the other end forms a compression face, piston clockwise rotates and just crosses combustion gas while charging mouthful place, compression face is just to the combustion gas mouth of charging, the outboard end of compression face form one with the laminating end of the airtight laminating of inwall of cylinder body.
2. novel rotary engine as claimed in claim 1, it is characterized in that, the sliding wall that one end formation one and the compression face of piston groove is slidably matched, one end relative with sliding wall forms a pivot end, piston groove outside form one with the diapire of piston groove just to and the opening portion that produces for confession piston; On piston, form one with the just right one end of compression face and be articulated in pivot end inner rotation end.
3. novel rotary engine as claimed in claim 2, is characterized in that, the internal surface of piston, the diapire of piston groove and sliding wall surround an inner cavity chamber jointly, is provided with one by inner cavity chamber and inner chamber of cylinder block conducting intercommunicating pore on piston.
4. novel rotary engine as claimed in claim 3, it is characterized in that, be provided with outer vent and inner vent on cylinder body, this outer vent is used for the inner chamber of cylinder body and external environment connect, when inner cavity chamber turns to inner vent, inner vent is by inner cavity chamber and external environment connect.
5. novel rotary engine as claimed in claim 4, is characterized in that, in the clockwise direction, the angle that on rotor, any point turns to its immediate inner vent from top dead center or lower dead center is θ 1,30≤θ 1≤70; In the clockwise direction, on rotor, any point is θ 2,30≤θ 2≤90 from the angle of its immediate outer vent of top dead center or lower dead center rotation.
6. novel rotary engine as claimed in claim 1, it is characterized in that, the charge mouthful rotary timing valve at place of one combustion gas that is positioned at two firing chambers is also installed on cylinder body, this rotary timing valve comprises the pin-joint part being rotationally connected with cylinder body, and be uniformly distributed in multiple the first occlusion parts of charging mouthful for blocking combustion gas in periphery, pin-joint part, be uniformly distributed in multiple second occlusion parts of periphery, pin-joint part for shutoff air intlet, the second occlusion part and the first occlusion part stagger mutually at the circumferencial direction of pin-joint part, between two first adjacent occlusion parts, form first opening portion, between two second adjacent occlusion parts, form second opening portion, when one of them first occlusion part blocks one of them combustion gas while charging mouthful, first opening part relative with this first occlusion part in another combustion gas charge mouthful and inner chamber of cylinder block between, in same firing chamber, the first occlusion part blocks combustion gas while charging mouthful, and the second opening portion is dodged air intlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310744138.8A CN103742258B (en) | 2013-12-28 | 2013-12-28 | Rotary engine |
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| CN201310744138.8A CN103742258B (en) | 2013-12-28 | 2013-12-28 | Rotary engine |
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| CN103742258B CN103742258B (en) | 2017-01-11 |
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| CN106894890A (en) * | 2017-03-23 | 2017-06-27 | 大连理工大学 | A kind of centering block coordinates inner chamber cam follower explosive motor dynamical system |
| CN108661785A (en) * | 2018-07-26 | 2018-10-16 | 谭建文 | Without the rotary Atkinson cycle engine of bent axle |
| CN110185549A (en) * | 2019-07-03 | 2019-08-30 | 吕国良 | Cylinder body, rotor internal-combustion engine, vehicle, aircraft and ship |
| CN110529236A (en) * | 2019-08-12 | 2019-12-03 | 张英华 | A kind of rotary piston engine and control method |
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| CN110529236B (en) * | 2019-08-12 | 2022-02-08 | 张英华 | Rotary piston engine and control method |
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| CN103742258B (en) | 2017-01-11 |
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