CN102817707A - Rotary piston engine - Google Patents
Rotary piston engine Download PDFInfo
- Publication number
- CN102817707A CN102817707A CN2012103328216A CN201210332821A CN102817707A CN 102817707 A CN102817707 A CN 102817707A CN 2012103328216 A CN2012103328216 A CN 2012103328216A CN 201210332821 A CN201210332821 A CN 201210332821A CN 102817707 A CN102817707 A CN 102817707A
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- Prior art keywords
- piston
- cylinder body
- piston engine
- firing chamber
- main shaft
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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
The invention discloses a rotary piston engine. The rotary piston engine comprises a cylinder body, a combustion chamber, a piston and a main shaft. An rotation space is contained inside the cylinder body, the piston is installed inside the rotation space, a hole is arranged in the center of the piston, teeth are distributed on the inner surface of the piston along the piston central hole axial direction, teeth are distributed on circumferential surfaces of end portions of the main shaft along the main shaft radial direction, the piston is meshed with the main shaft in an eccentric rotating mode, trajectories are arranged on the inner surface of the cylinder body and a cross section of the piston, the cylinder body is meshed with the piston through trajectories, a certain number of gate arches are formed by the cylinder body and are connected with the combustion chamber, the combustion chamber is cylindrical, a spark plug is arranged at a position of a longitudinal shaft, which is close to the cylindrical combustion chamber, and the combustion chamber is parallel with the main shaft. The rotary piston engine has the advantages of being capable of improving air inlet channels of the combustion chamber and the rotation space of the piston, greatly improving the fuel supply and usage efficiency, improving the air intake method and the air exhaust method and enabling the engine to generate the maximum rotation energy from the start of ignition.
Description
Technical field
The present invention relates to motor, be specifically related to a kind of rotary piston engine.
Background technique
At present; In engine art, use maximum still Reciprocating engines,, make a lot of energy of connecting rod in-fighting because it comes and goes working method in the form of piston; Its working efficiency is not high; Because its fuel availability is not high, burning does not always cause a lot of pollutions, and the volume of Reciprocating engine is comparatively huge yet.
The adjacent space of common rotary polygonal piston engine has only an apex seal; Apex seal is that line contacts with cylinder body all the time; And changing all the time with the cylinder body position contacting on the apex seal, therefore three non-sealings fully in firing chamber, the radial seal pad wear is very fast.Motor causes the gas leakage problem because of the oil sealing fret wear after using a period of time easily, significantly increases oil consumption and pollution.
Summary of the invention
To the problems referred to above that existing motor exists, the present invention provides a kind of more efficiently stable rotation piston engine more.
The present invention for realizing the technological scheme that above-mentioned purpose adopted is:
A kind of rotary piston engine is characterized in that, comprises cylinder body, firing chamber, piston and main shaft.Said cylinder interior comprises an apron space, and said piston is installed in the said apron space, and said piston is provided with center hole; The said centre hole axis in said center hole internal surface edge is to being distributed with tooth; The peripheral surface of said spindle nose is radially distributed with tooth along said main shaft, and the end that said main shaft has a tooth is stretched into the center hole of said piston and meshed with the mode of off-centre rotation, and cross section of said inner surface of cylinder block and said piston all is provided with trajectory; Said cylinder body and said piston are meshing with each other through said trajectory; Said cylinder body radially forms a plurality of gate arches, and each said gate arch connects a said firing chamber respectively, and said firing chamber is cylindrical; And the place is provided with spark plug near the cylindrical longitudinal axis, the longitudinal axis of said firing chamber and said spindle parallel.
Above-mentioned rotary piston engine, wherein, said firing chamber comprises preheating chamber and the main combustion chamber that is interconnected, and said spark plug places in the said preheating chamber, and said main combustion chamber is connected with oil inlet nozzle and is connected with said apron space.
Above-mentioned rotary piston engine, wherein, said firing chamber and said gate arch connection opening place, a junction of said firing chamber divides the circular shape that forms rounding, and another attachment portion of said firing chamber forms sharp-pointed shape.
Above-mentioned rotary piston engine, wherein, said piston is provided with inlet hole and air outlet hole.
Above-mentioned rotary piston engine, wherein, the gate arch that said cylinder body forms seals with the radial seal mode.
Above-mentioned rotary piston engine, wherein, it is opposite with the sense of rotation of said piston that said air outlet hole is set to.
Above-mentioned rotary piston engine, wherein, it is identical with the sense of rotation of said piston that said inlet hole is set to.
A kind of fuel injecting method of rotary piston engine is characterized in that, comprises arbitrary said rotary-type piston engine among the claim 1-7, and said oil inlet nozzle injected sub-fraction fuel to the space at said spark plug place earlier before burner oil.
Owing to adopted above-mentioned technology, the good effect that technique scheme compared with prior art has is:
(1) improves the gas-entered passageway of firing chamber and piston revolution space, significantly improved supply of fuel and utilization efficiency.
(2) improve the air intake-exhaust mode, made motor in igniting at the beginning, just produce maximum rotating energy.
(3) in the Piston Compression cyclic process, produce relative cold air mixture, cooling piston and improve efficient among the transmittance process of high heat.
(4) improved rotary-type piston-engined pressure peak, made piston can produce positive rotating power, made motor more efficient at top dead center.
Description of drawings
Fig. 1 is the partial cross sectional view of a kind of rotary piston engine of the present invention;
Fig. 2 is the comparison diagram of the turbulent energy of the present invention and common engine;
Fig. 3-the 5th, the difference embodiment figure of firing chamber under different qualities.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as qualification of the present invention.
A kind of rotary piston engine of the present invention as shown in Figure 1, piston 3 is around main shaft 2 rotation and be installed in the cylinder body 1, and piston 3 is rotated counterclockwise around main shaft 2; The cross section of piston 3 and the internal surface of cylinder body 1 are equipped with trajectory, and both are meshing with each other through trajectory.Some gate arches 4 that cylinder body 1 forms are connected to form apron space 9 between each gate arch 4, and each gate arch 4 connects a firing chamber 5 respectively; Be provided with spark plug 6 in the firing chamber 5, the longitudinal axis of firing chamber 5 is parallel with main shaft 2.
Further; Seal through radial seal mode 10 between each gate arch 4; 5 seal with a specific sealing means 14 with the two ends of gate arch 4 connecting passages in the firing chamber, and sealing means 14 helps to prolong the pressure in the firing chamber 5, and the stack of two kinds of sealing means is used; Guarantee not running off of energy, made motor turn round more efficiently.
Further, the joint of firing chamber 5 and gate arch 4 has formed the import 15 of a similar nozzle, and through the thrust influence of piston 3, most of pure material further is compressed into the part 20 of apron space 9 through the anterior sharp edges 8 of firing chamber 5.
Further, on piston 3, be provided with inlet hole 11 and air outlet hole 12, it is opposite with piston 3 sense of rotation that air outlet hole 12 bend angle are processed into, and it is identical with piston 3 sense of rotation that inlet hole 11 is set to.
As shown in Figure 2, what abscissa t represented is the angle of swing from top dead center OT to lower dead center UT, the energy of y coordinate Ek representative gas in apron space 9.Turbulence energy in the dotted line 16 expression common engine operation process changes, and the turbulence energy in the solid line 17 expressions engine operation process of the present invention changes, and obtains maximum kinetic energy at approaching ignition point 18 places immediately.
As shown in Figure 3, the firing chamber different qualities embodies figure down, and extra nozzle of air supply 19 gas transmissions get into the firing chamber and fuel 21 mixing are lighted a fire by spark plug 6.
Shown in Figure 4 and 5; The firing chamber different qualities embodies figure down; Between main combustion chamber 25 and the preheating chamber 23 neck 24 is arranged, extra nozzle of air supply 19 promotes fuel branch 26 and contacts and igniting with spark plug 6 with straight line, and whole process is intended to the operation of outstanding spark plug 6; The space of main combustion chamber 25 and preheating chamber 23 has variability, just sets forth as an embodiment here.
The above is merely preferred embodiment of the present invention, is not so limits claim of the present invention, so the equivalent structure that all utilizations specification of the present invention and diagramatic content are made changes, all is included in protection scope of the present invention.
Claims (8)
1. a rotary piston engine is characterized in that, comprises cylinder body, firing chamber, piston and main shaft;
Said cylinder interior comprises an apron space, and said piston is installed in the said apron space, and said piston is provided with center hole; The said centre hole axis in said center hole internal surface edge is to being distributed with tooth; The peripheral surface of said spindle nose is radially distributed with tooth along said main shaft, and the end that said main shaft has a tooth is stretched into the center hole of said piston and meshed with the mode of off-centre rotation, and cross section of said inner surface of cylinder block and said piston all is provided with trajectory; Said cylinder body and said piston are meshing with each other through said trajectory; Said cylinder body radially forms a plurality of gate arches, and each said gate arch connects a said firing chamber respectively, and said firing chamber is cylindrical; And the place is provided with spark plug near the cylindrical longitudinal axis, the longitudinal axis of said firing chamber and said spindle parallel.
2. rotary piston engine according to claim 1 is characterized in that said firing chamber comprises preheating chamber and the main combustion chamber that is interconnected, and said spark plug places in the said preheating chamber, and said main combustion chamber is connected with oil inlet nozzle and is connected with said apron space.
3. rotary piston engine according to claim 1 is characterized in that, said firing chamber and said gate arch connection opening place, and a junction of said firing chamber divides the circular shape that forms rounding, and another attachment portion of said firing chamber forms sharp-pointed shape.
4. rotary piston engine according to claim 1 is characterized in that said piston is provided with inlet hole and air outlet hole.
5. rotary piston engine according to claim 1 is characterized in that, the gate arch that said cylinder body forms seals with the radial seal mode.
6. like the said rotary piston engine of claim 4, it is characterized in that it is opposite with the sense of rotation of said piston that said air outlet hole is set to.
7. like the said rotary piston engine of claim 4, it is characterized in that it is identical with the sense of rotation of said piston that said inlet hole is set to.
8. the fuel injecting method of a rotary piston engine is characterized in that, comprises arbitrary said rotary-type piston engine among the claim 1-7, and said oil inlet nozzle injected sub-fraction fuel to the space at said spark plug place earlier before burner oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103328216A CN102817707A (en) | 2012-09-11 | 2012-09-11 | Rotary piston engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103328216A CN102817707A (en) | 2012-09-11 | 2012-09-11 | Rotary piston engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102817707A true CN102817707A (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103328216A Pending CN102817707A (en) | 2012-09-11 | 2012-09-11 | Rotary piston engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102817707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751120A (en) * | 2017-11-01 | 2019-05-14 | 王为民 | The chamber structure and cycloid rotor engine of cycloid rotor engine |
| CN110242407A (en) * | 2019-06-28 | 2019-09-17 | 中国航发南方工业有限公司 | Pintongs is quincunx rotary engine and unmanned plane |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1107081A (en) * | 1964-05-29 | 1968-03-20 | Renault | Improvements in diesel rotary-piston engines |
| GB1144006A (en) * | 1965-09-24 | 1969-03-05 | Kloeckner Humboldt Deutz Ag | Rotary piston internal combustion engine having a gyratory piston |
| US3754535A (en) * | 1970-10-10 | 1973-08-28 | Volkswagenwerk Ag | Combustion engine with rotary piston arrangement |
| US3848574A (en) * | 1972-06-03 | 1974-11-19 | Kawasaki Heavy Ind Ltd | Combustion promoting improvement in rotary engine |
| EP0068104A1 (en) * | 1981-06-20 | 1983-01-05 | Norton Motors (1978) Limited | Air or charge cooled rotor for a Rotary Engine |
| SU1021797A1 (en) * | 1981-09-28 | 1983-06-07 | Всесоюзный Научно-Исследовательский Конструкторский И Технологический Институт Мотоциклов И Малолитражных Бензиновых Двигателей Внутреннего Сгорания "Вниимотопром" | Rotary i.c. engine |
| CN85203161U (en) * | 1985-08-02 | 1986-04-30 | 梁之桓 | Four-stroke epitrochoidal engine with exhaust nozzle |
| CN2269469Y (en) * | 1996-08-30 | 1997-12-03 | 姜润良 | Double head piston rotary engine |
| US20080029059A1 (en) * | 2006-08-03 | 2008-02-07 | Arthur Isbrecht | Rotary Internal Combustion Engine with a Circular Rotor |
| CN102207030A (en) * | 2011-01-06 | 2011-10-05 | 魏九洲 | Rotary piston internal combustion engine |
-
2012
- 2012-09-11 CN CN2012103328216A patent/CN102817707A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1107081A (en) * | 1964-05-29 | 1968-03-20 | Renault | Improvements in diesel rotary-piston engines |
| GB1144006A (en) * | 1965-09-24 | 1969-03-05 | Kloeckner Humboldt Deutz Ag | Rotary piston internal combustion engine having a gyratory piston |
| US3754535A (en) * | 1970-10-10 | 1973-08-28 | Volkswagenwerk Ag | Combustion engine with rotary piston arrangement |
| US3848574A (en) * | 1972-06-03 | 1974-11-19 | Kawasaki Heavy Ind Ltd | Combustion promoting improvement in rotary engine |
| EP0068104A1 (en) * | 1981-06-20 | 1983-01-05 | Norton Motors (1978) Limited | Air or charge cooled rotor for a Rotary Engine |
| SU1021797A1 (en) * | 1981-09-28 | 1983-06-07 | Всесоюзный Научно-Исследовательский Конструкторский И Технологический Институт Мотоциклов И Малолитражных Бензиновых Двигателей Внутреннего Сгорания "Вниимотопром" | Rotary i.c. engine |
| CN85203161U (en) * | 1985-08-02 | 1986-04-30 | 梁之桓 | Four-stroke epitrochoidal engine with exhaust nozzle |
| CN2269469Y (en) * | 1996-08-30 | 1997-12-03 | 姜润良 | Double head piston rotary engine |
| US20080029059A1 (en) * | 2006-08-03 | 2008-02-07 | Arthur Isbrecht | Rotary Internal Combustion Engine with a Circular Rotor |
| CN102207030A (en) * | 2011-01-06 | 2011-10-05 | 魏九洲 | Rotary piston internal combustion engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751120A (en) * | 2017-11-01 | 2019-05-14 | 王为民 | The chamber structure and cycloid rotor engine of cycloid rotor engine |
| CN110242407A (en) * | 2019-06-28 | 2019-09-17 | 中国航发南方工业有限公司 | Pintongs is quincunx rotary engine and unmanned plane |
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Application publication date: 20121212 |