CN107401454A - A kind of executing agency of achievable rotary engine rotor wall heating - Google Patents
A kind of executing agency of achievable rotary engine rotor wall heating Download PDFInfo
- Publication number
- CN107401454A CN107401454A CN201710457657.4A CN201710457657A CN107401454A CN 107401454 A CN107401454 A CN 107401454A CN 201710457657 A CN201710457657 A CN 201710457657A CN 107401454 A CN107401454 A CN 107401454A
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- CN
- China
- Prior art keywords
- rotor
- eccentric shaft
- plate
- heat transfer
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/02—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention provides a kind of executing agency of achievable rotary engine rotor wall heating, including eccentric shaft portion, rotor portion and control system;The eccentric shaft portion includes anterior eccentric shaft, eccentric shaft middle part and eccentric shaft rear portion;Heating plate is fixed by support column in the middle part of the eccentric shaft;The heating plate outer layer covers wearing layer;The rotor portion includes anterior rotor, rotor rear portion and heat transfer plate;The rotor is anterior and rotor rear portion is equipped with heat transfer groove at wall;The heat transfer plate includes inner arc plate and outer arc plate, and the outer arc plate is connected by support column with inner arc plate, in " work " font;The control system includes heating control system and swivel joint;The eccentric shaft portion passes through the rotor portion, and the wearing layer and the heat transfer sheet separation for making the heating plate coordinate.The present invention can be heated by control system to rotor wall, so as to overcome fuel atomization and evaporate the defects of difficult, the favourable performance for improving rotary engine.
Description
Technical field
The present invention relates to the technical field of power machinery system, more particularly to a kind of achievable rotary engine rotor wall
The executing agency of heating.
Background technology
In the design field of internal combustion engine, it is exactly the fuel-oil atmozation in cylinder to determine one of key factor for engine efficiency
Quality.Because only good fuel-oil atmozation quality could give the fire stroke of engine to provide good flammable mixing
Gas, so as to realize the efficient burning of engine cylinder fuel.Especially for following two aspects, the atomization quality of fuel oil is to hair
The performance of motivation is particularly important.First, in engine startup, because cylinder temperature is relatively low, the atomizing effect of fuel oil is bad,
The startup that this results in engine is relatively difficult.Under cold snap particularly in the winter time, the atomizing effect of fuel oil further becomes
Difference, it is particularly difficult which results in engine start.Second, when in the fuel applications such as diesel oil, aviation kerosine, heavy oil to engine
When, because the property of itself determines that its atomization is very difficult, this is resulted in diesel oil, aviation kerosine, heavy oil etc. as fuel
Engine it is less efficient, this greatly limits the development of the engine fuels such as aviation kerosine, heavy oil.
2 points of the above is the common problem that all internal combustion engines are faced, and for rotary engine, problem above is more
Add protrusion.This is primarily due to, and the special motion mode of rotary engine makes it that following two features be presented:(1) cylinder interior air-flow
It is as rotor rotation direction is moved, that is to say, that the air-flow of combustion chamber is in one-way flow on the whole, lacks change in cylinder
Change violent vortex and tumble flow.This flow field form is unfavorable for quick break and the diffusion of fuel oil.(2) rotary engine is long and narrow
Chamber structure cause fuel oil spray after be very easy to occur fuel oil be rebuffed phenomenon, that is, injection after fuel oil be easy to adhere to
On the wall of rotor, and it is fuel oil rapid evaporation that these are attached on rotor wall that relatively low rotor wall surface temperature, which is difficult,.
In summary, for rotary engine, how to improve cylinder fuel atomization and evaporation rate for starting
The raising of machine performance is most important.
The content of the invention
For Shortcomings in the prior art, the invention provides a kind of achievable rotary engine rotor wall heating
Executing agency, choose when to heat rotor wall by control system, so as to overcome the fuel under certain operating mode
It is atomized and evaporates the defects of difficult, the favourable performance for improving rotary engine.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of executing agency of achievable rotary engine rotor wall heating, including eccentric shaft portion, rotor portion and
Control system;The eccentric shaft portion includes anterior eccentric shaft, eccentric shaft middle part and eccentric shaft rear portion;It is logical in the middle part of the eccentric shaft
Cross support column and fix heating plate;The eccentric shaft is anterior and eccentric shaft rear portion is provided with eccentric round platform, and the eccentric shaft front portion is set
There are first through hole, the fixed wire for controlling the heating plate in inside;By the first bolt by eccentric shaft is anterior, in the middle part of eccentric shaft and
Eccentric shaft rear portion is fixedly connected, and makes the anterior eccentric round platform of the eccentric shaft, the eccentric round platform and bias at the eccentric shaft rear portion
It is coaxial in the middle part of axle;The heating plate outer layer covers wearing layer;The rotor portion includes anterior rotor, rotor rear portion and heat transfer
Plate;The rotor is anterior and rotor rear portion is equipped with inside and is provided with annular groove;The rotor is anterior and rotor rear portion is close to wall
Place is equipped with heat transfer groove, and the heat transfer groove is connected by the second through hole and the annular groove;Behind the rotor front portion and rotor
Portion is fastened by the second bolt and installed, and the heat transfer groove for making the rotor anterior aligns with the heat transfer groove at rotor rear portion;The heat transfer
Plate includes inner arc plate and outer arc plate, and the outer arc plate is connected by support column with inner arc plate, in " work " font;The inner arc plate peace
In the annular groove, the outer arc plate is arranged in heat transfer groove;The control system includes heating control system and rotation
Joint;Described swivel joint one end is connected with the first through hole inside conductor, and the other end is connected with heating control system, by adding
Thermal control system controls the heating plate;The eccentric shaft portion passes through the rotor portion, makes the wearing layer of the heating plate
Coordinate with the heat transfer sheet separation.
Further, the support column outer wrapping ceramic insulation layer.
Further, the heat transfer plate material is the Heat Conduction Material of high intensity;The heat transfer plate material is preferably conductive graphite.
Further, the heating plate is mica heating plate.
Further, the heating plate is loop configuration.
Further, the outer arc plate coordinates with heat transfer groove gap, and connector is provided with the inside of the outer arc plate;The connector
Compression spring is installed between heat transfer groove.
Further, the both ends hypotenuse outer bevel of the inner arc plate so that outer arc length in the outer support arc block section is more than
Interior arc length.
Further, the arc length of the outer arc plate is more than inner arc plate arc length.
The beneficial effects of the present invention are:
1. the executing agency of achievable rotary engine rotor wall heating of the present invention, by rotor wall
Heating, can heat to the fuel oil for being attached to rotor wall, make its rapid evaporation, so as to promote the conflagration of fuel oil,
Realize the effect of rapid warming-up.
2. the executing agency of achievable rotary engine rotor wall heating of the present invention, passes through connector and heat transfer
Compression spring is installed between groove, can be with the surplus stayed of expanding with heat and contract with cold of re-adjustments heat transfer plate.
3. the executing agency of achievable rotary engine rotor wall heating of the present invention, by I-shaped in patent
Heat transfer plate and ceramic insulation layer, heat can quickly and efficiently be passed to rotor surface.
Brief description of the drawings
Fig. 1 is executing agency's explosive view of achievable rotary engine rotor wall heating of the present invention.
Fig. 2 is rotor portion structure chart of the present invention.
Fig. 3 is eccentric shaft portion structure chart of the present invention.
Fig. 4 is the cooperation figure of heating plate of the present invention and heat transfer plate.
Fig. 5 is control system schematic diagram of the present invention.
In figure:
1- eccentric shaft portions;2- rotor portions;3- ceramic insulation layers;4- rotors are anterior;5- heat transfer plates;6- connectors;7-
Rotor rear portion;8- heat transfer grooves;9- compression springs;10- annular grooves;11- eccentric shafts are anterior;In the middle part of 12- eccentric shafts;13- eccentric shafts
Rear portion;14- support columns;15- heating plates;16- wearing layers;17- swivel joints;18- heating control systems;19- first through hole;
The bolts of 20- first;The bolts of 21- second;The through holes of 22- second.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
As shown in figure 1, a kind of executing agency of achievable rotary engine rotor wall heating, including eccentric shaft portion 1,
Rotor portion 2 and control system.As shown in figure 3, the eccentric shaft portion 1 includes eccentric shaft front portion 11,12 and of eccentric shaft middle part
Eccentric shaft rear portion 13;12 fix heating plate 15 by support column 14 in the middle part of the eccentric shaft;The eccentric shaft front portion 11 and bias
Axle rear portion 13 is provided with eccentric round platform, and the eccentric shaft front portion 11 is provided with first through hole 19, and inside is fixed to control the heating plate
15 wire;In the middle part of eccentric shaft front portion 11, eccentric shaft 12 are fixedly connected with eccentric shaft rear portion 13 by the first bolt 20, makes institute
It is coaxial to state the eccentric round platform of eccentric shaft front portion 11, the eccentric round platform at the eccentric shaft rear portion 13 and eccentric shaft middle part 12;It is described to add
The outer layer covers wearing layer 16 of backing 15;As shown in Fig. 2 the rotor portion 2 includes rotor front portion 4, rotor rear portion 7 and heat transfer plate
5;The rotor front portion 4 and rotor rear portion 7 are equipped with inside and are provided with annular groove 10;The rotor front portion 4 and rotor rear portion 7 are close
Heat transfer groove 8 is equipped with wall, the heat transfer groove 8 is connected by the second through hole 22 and the annular groove 10;Before the rotor
Portion 4 and rotor rear portion 7 are fastened by the second bolt 21 installs, and makes the heat transfer groove 8 and the biography at rotor rear portion 8 of the rotor front portion 4
Heat channel 8 aligns;The material of heat transfer plate 5 is the Heat Conduction Material of high intensity;The material of heat transfer plate 5 is preferably conductive graphite.Lead
Hot graphite is a kind of high material of heat transfer efficiency, and its thermal conductivity factor is up to 1500W/mK, close to as many as four times of fine copper.And
It has the plasticity as organic plastics, can smoothly be attached to any plane and curved surface, and can be according to the need of client
Ask and make any type of cutting.Meanwhile the light weight of conductive graphite, the conductive graphite quality of same volume is lighter than aluminium by 25%, than
Copper is light by 75%.The heat transfer plate 5 includes inner arc plate and outer arc plate, and the outer arc plate is connected by support column with inner arc plate, is in
" work " font;The inner arc plate is arranged in the annular groove 10, and the outer arc plate is arranged in heat transfer groove 8;As shown in figure 5,
The control system includes heating control system 18 and swivel joint 17;Described one end of swivel joint 17 and the first through hole 19
Inside conductor is connected, and the other end is connected with heating control system 18, and the heating plate 15 is controlled by heating control system 18;Such as figure
Shown in 4, the eccentric shaft portion 1 passes through the rotor portion 2, makes between the wearing layer 16 of the heating plate and the heat transfer plate 5
Gap coordinates.
Operation principle is:The powered operation of heating plate 15, heat caused by heating plate 15 are controlled by heating control system 18
Rotor surface is delivered to by the heat transfer plate 5 installed in internal rotor, so as to reach the purpose on preheating three-apexed rotor surface.When turn
After sublist face is heated, the atomizing effect of the diesel oil that is sprayed onto in injection process on rotor surface or heavy oil will be improved significantly,
So as to optimize the combustion process of engine.
In order to prevent hot loss of energy, the outer wrapping ceramic insulation layer 3 of support column 14.The heating plate 15 is preferably cloud
Female heating plate.Mica heating plate is a kind of electric heating device being wrapped in resistive heater on micarex (mica sheet), and it adds
Thermal power is up to 1000W.The heating plate 15 is loop configuration, in order to increase heat exchange area.
The outer arc plate coordinates with heat transfer groove 8 gap, and connector 6 is provided with the inside of the outer arc plate;The connector 6 is with passing
Compression spring 9 is installed between heat channel 8.The effect of the spring of compression spring 9 is to have stayed surplus for expanding with heat and contract with cold for heat transfer plate.In order to anti-
Interfered when only shrinking, the both ends hypotenuse outer bevel of the inner arc plate so that outer arc length in the inner arc plate section is more than interior
Arc length.
The arc length of the outer arc plate is more than inner arc plate arc length.Outer arc plate arc length is larger can to increase heat transfer area, obtain compared with
Good heat-transfer effect.
The embodiment is preferred embodiment of the invention, but the present invention is not limited to above-mentioned embodiment, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification belongs to protection scope of the present invention.
Claims (8)
1. a kind of executing agency of achievable rotary engine rotor wall heating, it is characterised in that including eccentric shaft portion
(1), rotor portion (2) and control system;
The eccentric shaft portion (1) includes eccentric shaft anterior (11), eccentric shaft middle part (12) and eccentric shaft rear portion (13);It is described inclined
(12) pass through the fixed heating plate (15) of support column (14) in the middle part of mandrel;On the eccentric shaft anterior (11) and eccentric shaft rear portion (13)
Provided with eccentric round platform, the eccentric shaft anterior (11) is provided with first through hole (19), the fixed control heating plate (15) in inside
Wire;(12) in the middle part of eccentric shaft anterior (11), eccentric shaft are fixedly connected with eccentric shaft rear portion (13) by the first bolt (20),
Make the anterior eccentric round platform of (11) of the eccentric shaft, the eccentric round platform at the eccentric shaft rear portion (13) and eccentric shaft middle part (12) same
Axle;Heating plate (15) the outer layer covers wearing layer (16);
The rotor portion (2) includes rotor anterior (4), rotor rear portion (7) and heat transfer plate (5);The rotor anterior (4) and turn
Sub- rear portion (7) is equipped with inside and is provided with annular groove (10);The rotor anterior (4) and rotor rear portion (7) is all provided with wall
There is heat transfer groove (8), the heat transfer groove (8) is connected by the second through hole (22) and the annular groove (10);The rotor is anterior
(4) fastened and installed by the second bolt (21) with rotor rear portion (7), after the heat transfer groove (8) and rotor that make the rotor anterior (4)
Heat transfer groove (8) alignment in portion (8);The heat transfer plate (5) includes inner arc plate and outer arc plate, the outer arc plate by support column with it is interior
Arc plate connects, in " work " font;The inner arc plate is arranged in the annular groove (10), and the outer arc plate is arranged on heat transfer groove
(8) in;
The control system includes heating control system (18) and swivel joint (17);Described swivel joint (17) one end with it is described
First through hole (19) inside conductor is connected, and the other end is connected with heating control system (18), is controlled by heating control system (18)
The heating plate (15);
The eccentric shaft portion (1) passes through the rotor portion (2), makes the wearing layer (16) of the heating plate and the heat transfer plate
(5) gap coordinates.
2. the executing agency of achievable rotary engine rotor wall heating according to claim 1, it is characterised in that institute
State support column (14) outer wrapping ceramic insulation layer (3).
3. the executing agency of achievable rotary engine rotor wall heating according to claim 1, it is characterised in that institute
State the Heat Conduction Material that heat transfer plate (5) material is high intensity;Heat transfer plate (5) material is preferably conductive graphite.
4. the executing agency of achievable rotary engine rotor wall heating according to claim 1, it is characterised in that institute
It is mica heating plate to state heating plate (15).
5. the executing agency of achievable rotary engine rotor wall heating according to claim 1, it is characterised in that institute
It is loop configuration to state heating plate (15).
6. the executing agency of achievable rotary engine rotor wall heating according to claim 1, it is characterised in that institute
State outer arc plate with heat transfer groove (8) gap to coordinate, connector (6) is provided with the inside of the outer arc plate;The connector (6) and heat transfer groove
(8) compression spring (9) is installed between.
7. the executing agency of achievable rotary engine rotor wall heating according to claim 1, it is characterised in that institute
State the both ends hypotenuse outer bevel of inner arc plate so that outer arc length in the inner arc plate section is more than inner arc and grown.
8. the executing agency of achievable rotary engine rotor wall heating according to claim 1, it is characterised in that institute
The arc length for stating outer arc plate is more than inner arc plate arc length.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710457657.4A CN107401454B (en) | 2017-06-16 | 2017-06-16 | A kind of executing agency of achievable rotary engine rotor wall surface heating |
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CN201710457657.4A CN107401454B (en) | 2017-06-16 | 2017-06-16 | A kind of executing agency of achievable rotary engine rotor wall surface heating |
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CN107401454A true CN107401454A (en) | 2017-11-28 |
CN107401454B CN107401454B (en) | 2019-08-02 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3974309A (en) * | 1973-12-26 | 1976-08-10 | Ford Motor Company | Method of coating a rotary internal combustion engine |
DE2612041A1 (en) * | 1975-05-05 | 1976-11-25 | Caterpillar Tractor Co | ROTOR FOR ROTARY LISTON MACHINES |
US4014631A (en) * | 1975-12-01 | 1977-03-29 | Caterpillar Tractor Co. | Heat pipe cooling of a rotary engine rotor |
US6321713B1 (en) * | 2000-08-02 | 2001-11-27 | Mallen Research Corporation | Hot wall combustion insert for a rotary vane pumping machine |
US6325603B1 (en) * | 1998-12-17 | 2001-12-04 | Moller International, Inc. | Charged cooled rotary engine |
CN104405447A (en) * | 2013-09-22 | 2015-03-11 | 摩尔动力(北京)技术股份有限公司 | Multi-angle rotor fluid mechanism and engine using the same |
CN106640387A (en) * | 2016-12-06 | 2017-05-10 | 江苏大学 | Executing mechanism capable of achieving different compression ratios of rotary engine |
-
2017
- 2017-06-16 CN CN201710457657.4A patent/CN107401454B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3974309A (en) * | 1973-12-26 | 1976-08-10 | Ford Motor Company | Method of coating a rotary internal combustion engine |
DE2612041A1 (en) * | 1975-05-05 | 1976-11-25 | Caterpillar Tractor Co | ROTOR FOR ROTARY LISTON MACHINES |
US4014631A (en) * | 1975-12-01 | 1977-03-29 | Caterpillar Tractor Co. | Heat pipe cooling of a rotary engine rotor |
US6325603B1 (en) * | 1998-12-17 | 2001-12-04 | Moller International, Inc. | Charged cooled rotary engine |
US6321713B1 (en) * | 2000-08-02 | 2001-11-27 | Mallen Research Corporation | Hot wall combustion insert for a rotary vane pumping machine |
CN104405447A (en) * | 2013-09-22 | 2015-03-11 | 摩尔动力(北京)技术股份有限公司 | Multi-angle rotor fluid mechanism and engine using the same |
CN106640387A (en) * | 2016-12-06 | 2017-05-10 | 江苏大学 | Executing mechanism capable of achieving different compression ratios of rotary engine |
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CN107401454B (en) | 2019-08-02 |
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