CN206267974U - A kind of executing agency of achievable rotary engine difference compression ratio - Google Patents
A kind of executing agency of achievable rotary engine difference compression ratio Download PDFInfo
- Publication number
- CN206267974U CN206267974U CN201621325898.0U CN201621325898U CN206267974U CN 206267974 U CN206267974 U CN 206267974U CN 201621325898 U CN201621325898 U CN 201621325898U CN 206267974 U CN206267974 U CN 206267974U
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- China
- Prior art keywords
- electric
- jaw
- rotor
- eccentric shaft
- executing agency
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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 utility model provides a kind of executing agency of achievable rotary engine difference compression ratio, including eccentric shaft portion, three-apexed rotor part and control system;The eccentric shaft portion includes anterior eccentric shaft, electric three-jaw assembly and eccentric shaft rear portion;The three-apexed rotor part includes transfiguration executing agency, rotor front portion and rotor rear portion;The control system includes three-jaw electric-control system and swivel joint, by electric three-jaw described in three-jaw electric control system controls;The eccentric shaft portion passes through the three-apexed rotor part, the electric three-jaw assembly is set to be placed in the annular groove, cause that the transfiguration executing agency moves reciprocatingly by the way that the pawl top of the electric three-jaw is flexible, the utility model can realize the regulation to engine compression ratio by whole compression ratio adjustment system, so that rotary engine can work under any operating mode under optimal compression ratio, and then the greatly performance of lifting rotary engine itself.
Description
Technical field
The utility model is related to the technical field of power machinery system, more particularly to a kind of achievable rotary engine difference
The executing agency of compression ratio.
Background technology
Compression ratio refers to the ratio of the cylinder total volume with combustion chamber volume of engine.In the design field of internal combustion engine, it is
The important parameter of the acting of control internal combustion engine, pinking and discharge.The compression ratio of conventional engines is immutable, because combustion chamber
Volume and displacement are all fixed parameters, have been set in the design.From the theoretical circulation of engine, increase
Compression ratio can improve the indicated thermal efficiency of engine, improve dynamic property, economy and the emission performance of engine, while improving hair
The cold starting performance of motivation.But compression ratio crosses the possibility that conference increases the mechanical load, thermic load and pinking of engine, reduces
The functional reliability and service life of engine.Particularly in turbocharger after the application of engine, both above it
Between contradiction more highlight.This is primarily due to, and in engine with supercharger, in order to prevent pinking, its compression ratio will be less than nature
Airbreathing motor.In turbocharged engine practical work process, pressure charging system needs to reach certain rotating speed in engine
In the case of can just work, form so-called turbo lag phenomenon.So, under low engine speeds operating mode, pressure charging system is
Do not play a role, and the compression ratio of engine with supercharger is lower than nature NA engine, so resulting in supercharging
Engine moment of torsion in low speed rises slowly.And under engine speed conditions high, the pressure charging system work of engine with supercharger
After work, with the increase of air inflow, in-engine coefficient of charge increases, and efficiency of combustion is greatly increased, and this results in supercharging hair
It is easier phenomenon of detonation (also referred to as " engine knock " phenomenon) occur in engine cylinder, while the mechanical load and heat that increase engine are negative
Lotus, this reliability to engine is also very unfavorable.In order to solve contradiction of the above difference operating mode to compression ratio requirement, this practicality
A kind of variable compression ratio in rotary engine of new design, it can realize being continuously adjusted with the change of operating mode
Compression ratio, so as to can ensure optimal compression ratio in from the slow-speed of revolution to the whole condition range of rotating speed high, so as to overcome
The immutable defect of conventional rotors engine compression ratio, the favourable performance that improve rotary engine
The content of the invention
For Shortcomings in the prior art, the utility model provides a kind of achievable rotary engine difference compression ratio
Executing agency, can according to the requirement of different operating modes come it is any regulation engine compression ratio, to realize under any operating mode,
Engine can work under optimal compression ratio, so as to improve the performance of rotary engine.
The utility model is to realize above-mentioned technical purpose by following technological means.
A kind of executing agency of achievable rotary engine difference compression ratio, it is characterised in that including eccentric shaft portion, three
Angle rotor portion and control system;The eccentric shaft portion includes anterior eccentric shaft, electric three-jaw assembly and eccentric shaft rear portion;
The electric three-jaw assembly includes electric three-jaw drive end bearing bracket and electric three-jaw, and the electric three-jaw controls institute by control system
State the pawl top distance of stretch out and draw back of electric three-jaw;Each pawl of the electric three-jaw is top-loaded with inner support arc block;The eccentric shaft is anterior
Eccentric round platform is provided with eccentric shaft rear portion, the eccentric shaft front portion is provided with the fixed control electric three-jaw in the second through hole inside
Wire;Eccentric shaft front portion, electric three-jaw assembly are fixedly connected with eccentric shaft rear portion by the second bolt, make the bias
The anterior eccentric round platform of axle is coaxial with the eccentric round platform at the eccentric shaft rear portion;The three-apexed rotor part includes that transfiguration performs machine
Structure, rotor front portion and rotor rear portion;The rotor is anterior and rotor external rear face is provided with rotor pit, and inside is provided with annular
Groove, the rotor pit is connected by first through hole with the annular groove;The rotor is anterior and rotor rear portion passes through first
Bolt fastening is installed, and the rotor pit for making the rotor anterior aligns with the rotor pit at rotor rear portion;The transfiguration performs machine
Structure is arranged in the annular groove;The transfiguration executing agency includes transfiguration plate and outer support arc block, and the transfiguration plate is by connecting
Cylinder is connect to be fixed with the outer support arc block;Contraction spring one end is fixed on the transfiguration plate, the contraction spring other end is consolidated
It is scheduled in the rotor pit;The outer support arc block is placed in the annular groove;The control system includes that three-jaw is automatically controlled
System and swivel joint;Described swivel joint one end is connected with the second through hole inside conductor, the other end and three-jaw electric-control system
It is connected, by electric three-jaw described in three-jaw electric control system controls;The eccentric shaft portion passes through the three-apexed rotor part, makes institute
State electric three-jaw assembly to be placed in the annular groove, cause that the transfiguration is performed by the way that the pawl top of the electric three-jaw is flexible
Mechanism moves reciprocatingly.
Further, the transfiguration plate is formed around seal groove, and the seal groove inside is equipped with wavy spring, the waveform bullet
Equipped with the diaphragm seal sealed with rotor pit outside spring.
Further, the rotor pit is square groove.
Further, the two ends hypotenuse outer bevel of the outer support arc block so that arc length outside the outer support arc block section
More than interior arc length.
Further, the two ends hypotenuse inner bevel of the inner support arc block so that arc length outside the inner support arc block section
Less than interior arc length.
The beneficial effects of the utility model are:
1. the executing agency of achievable rotary engine difference compression ratio described in the utility model, can be according to engine
Requirement of the different operating modes to optimum compression ratio, the regulation to engine compression ratio is realized by whole compression ratio adjustment system, with
Rotary engine is set to be worked under optimal compression ratio under any operating mode, and then greatly lifting rotary engine itself
Performance.
2. the executing agency of achievable rotary engine difference compression ratio described in the utility model, starts by rotor
The rotor of machine and the brand-new design of eccentric shaft, realize the executing agency of adjustable rotary engine compression ratio, so as to thoroughly change
The existing unmodifiable defect of rotary engine compression ratio is become.
Brief description of the drawings
Fig. 1 is the assembling explosive view of the executing agency of achievable rotary engine difference compression ratio described in the utility model.
Fig. 2 is that explosive view is assembled in three-apexed rotor part described in the utility model.
Fig. 3 is that eccentric shaft portion described in the utility model assembles explosive view.
Fig. 4 is sealing principle schematic diagram on transfiguration plate described in the utility model.
Fig. 5 is layout drawing of the transfiguration executing agency described in the utility model in rotor.
Fig. 6 is the cooperation figure of transfiguration executing agency described in the utility model and electric three-jaw.
Fig. 7 is control system schematic diagram described in the utility model.
In figure:
1- eccentric shaft portions;2- three-apexed rotors part;The bolts of 3- second;4- rotors are anterior;5- transfiguration plates;6- outer support arcs
Block;7- connecting cylinders;8- rotors rear portion;9- eccentric shafts are anterior;10- electric three-jaw end caps;11- electric three-jaws;12- electric three-jaws
Assembly;13- inner support arc blocks;14- eccentric shafts rear portion;15- contraction springs;16- swivel joints;17- first through hole;18- electricity
Dynamic three-jaw control system;The through holes of 19- second;20- rotor pits;21- annular grooves;22- seal grooves;23- wavy springs;24- is close
Mounting;The bolts of 25- first.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further described to the utility model, but guarantor of the present utility model
Shield scope is not limited to this.
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of executing agency of achievable rotary engine difference compression ratio, including eccentric shaft
Part 1, three-apexed rotor part 2 and control system;The eccentric shaft portion 1 includes eccentric shaft front portion 9, electric three-jaw assembly 12
With eccentric shaft rear portion 14;The electric three-jaw assembly 12 includes electric three-jaw drive end bearing bracket 10 and electric three-jaw 11, described electronic
Three-jaw 11 controls the pawl top distance of stretch out and draw back of the electric three-jaw 11 by control system;Each pawl top dress of the electric three-jaw 11
There is inner support arc block 13;The eccentric shaft anterior 9 and eccentric shaft rear portion 14 are provided with eccentric round platform, and the eccentric shaft front portion 9 sets
There is the wire of the fixed control electric three-jaw 11 in the inside of the second through hole 19;By the second bolt 3 by eccentric shaft front portion 9, electronic
Three-jaw assembly 12 is fixedly connected with eccentric shaft rear portion 14, after making the eccentric round platform of the eccentric shaft front portion 9 and the eccentric shaft
The eccentric round platform in portion 14 is coaxial;The three-apexed rotor part 2 includes transfiguration executing agency, rotor anterior 4 and rotor rear portion 8;Institute
State rotor anterior 4 and the outer surface of rotor rear portion 8 is provided with rotor pit 20, and inside is provided with annular groove 21, the rotor pit 20
Connected with the annular groove 21 by first through hole 17;The rotor pit 20 is square groove;The rotor anterior 4 and rotor
Rear portion 8 is fastened by the first bolt 25 and installed, and makes the rotor pit 20 of the rotor front portion 4 and the rotor pit at rotor rear portion 8
20 alignment;The transfiguration executing agency is arranged in the annular groove 21;The transfiguration executing agency includes transfiguration plate 5 and outer branch
Support arc block 6, the transfiguration plate 5 is fixed by connecting cylinder 7 with the outer support arc block 6;It is fixed on the transfiguration plate 5 to shrink bullet
The one end of spring 15, the other end of the contraction spring 15 is fixed in the rotor pit 20;The outer support arc block 6 is placed on described
In annular groove 21;The control system includes three-jaw electric-control system 18 and swivel joint 16;The one end of the swivel joint 16 and institute
State the inside conductor of the second through hole 19 to be connected, the other end is connected with three-jaw electric-control system 18, controlled by three-jaw electric-control system 18 described
Electric three-jaw 11;The eccentric shaft portion 1 passes through the three-apexed rotor part 2, is placed on the electric three-jaw assembly 12
In the annular groove 21, cause that the transfiguration executing agency moves reciprocatingly by the way that the pawl top of the electric three-jaw 11 is flexible.
Because the inside conductor of the second through hole 19 is connected on electric three-jaw, i.e. wire in the second through hole 19 is in engine
It is to be rotated together with whole eccentric shaft portion 1 in real work, so the wire in the second through hole 19 is led using hard
Line, and the wire is connected by swivel joint 16 with the wire for being connected electric-control system so that the wire of connection electric-control system
Do not twist, so as to protect the normal operation of electric-control system.
Specific work process is:According to the compression ratio requirement under different operating modes, electronic three are controlled by three-jaw electric-control system 18
The stroke of pawl.When increasing compression ratio is needed, the pawl of electric three-jaw 11 stretches out, and drives transfiguration to perform by inner support arc block 13
Mechanism kinematic, so that the volume of rotor pit 20 reduces;When needing to reduce compression ratio, electric three-jaw 11 bounces back, while transfiguration
Executing agency is retracted by the contraction spring 15 in rotor pit 20, so that the volume of rotor pit 20 increases.
Need to take seal approach because described transfiguration plate 5 moves reciprocatingly in rotor pit 20, with reference to Fig. 4 and Tu
Shown in 5, therefore the transfiguration plate 5 is formed around seal groove, and the seal groove inside is equipped with wavy spring 23, outside the wavy spring
Equipped with the diaphragm seal 24 sealed with rotor pit 20.
With reference to shown in Fig. 6, when rotary polygonal piston engine works, main shaft is different from the rotating speed of three-apexed rotor, therefore inner support
Although being sticked together all the time between arc block 13 and outer support arc block 6, relative rotation is there is, in order to ensure it operationally
Interference, the two ends hypotenuse outer bevel of the outer support arc block 6 are not produced so that the section outer arc of outer support arc block 6 is grown up
In interior arc length.The two ends hypotenuse inner bevel of the inner support arc block 13 so that arc length is less than outside the section of inner support arc block 6
Interior arc length.
The embodiment for it is of the present utility model preferred embodiment, but the utility model is not limited to above-mentioned embodiment party
Formula, in the case of without departing substantially from substance of the present utility model, it is any apparent that those skilled in the art can make
Improvement, replace or modification belong to protection domain of the present utility model.
Claims (5)
1. a kind of executing agency of achievable rotary engine difference compression ratio, it is characterised in that including eccentric shaft portion (1),
Three-apexed rotor part (2) and control system;
The eccentric shaft portion (1) includes eccentric shaft front portion (9), electric three-jaw assembly (12) and eccentric shaft rear portion (14);Institute
Stating electric three-jaw assembly (12) includes electric three-jaw drive end bearing bracket (10) and electric three-jaw (11), and the electric three-jaw (11) passes through
Control system controls the pawl top distance of stretch out and draw back of the electric three-jaw (11);Each pawl of the electric three-jaw (11) is top-loaded with interior branch
Support arc block (13);Eccentric shaft front portion (9) and eccentric shaft rear portion (14) is provided with eccentric round platform, eccentric shaft front portion (9)
It is provided with the wire of the fixed control electric three-jaw (11) inside the second through hole (19);By the second bolt (3) by before eccentric shaft
Portion (9), electric three-jaw assembly (12) are fixedly connected with eccentric shaft rear portion (14), make the off-centre operation of eccentric shaft front portion (9)
Platform, the eccentric round platform at the eccentric shaft rear portion (14) and electric three-jaw assembly (12) are coaxial;
The three-apexed rotor part (2) includes transfiguration executing agency, rotor front portion (4) and rotor rear portion (8);The rotor is anterior
And rotor rear portion (8) outer surface is provided with rotor pit (20), and inside is provided with annular groove (21), the rotor pit (20) (4)
Connected with the annular groove (21) by first through hole (17);Rotor front portion (4) and rotor rear portion (8) is by the first spiral shell
Bolt (25) fastening is installed, and makes the rotor pit (20) of rotor front portion (4) right with the rotor pit (20) of rotor rear portion (8)
Together;The transfiguration executing agency is arranged in the annular groove (21);The transfiguration executing agency includes transfiguration plate (5) and outer branch
Support arc block (6), the transfiguration plate (5) is fixed with the outer support arc block (6) by connecting cylinder (7);On the transfiguration plate (5)
Fixed contraction spring (15) one end, contraction spring (15) other end is fixed in the rotor pit (20);The outer branch
Support arc block (6) is placed in the annular groove (21);
The control system includes three-jaw electric-control system (18) and swivel joint (16);Described swivel joint (16) one end with it is described
Second through hole (19) inside conductor is connected, and the other end is connected with three-jaw electric-control system (18), is controlled by three-jaw electric-control system (18)
The electric three-jaw (11);
The eccentric shaft portion (1) makes the electric three-jaw assembly (12) be placed on institute through the three-apexed rotor part (2)
State in annular groove (21), cause that the transfiguration executing agency moves reciprocatingly by the way that the pawl top of the electric three-jaw (11) is flexible.
2. the executing agency of achievable rotary engine difference compression ratio according to claim 1, it is characterised in that described
Transfiguration plate (5) is formed around seal groove, and the seal groove inside is equipped with wavy spring (23), is equipped with outside the wavy spring and turned
The diaphragm seal (24) of sub- pit (20) sealing.
3. the executing agency of achievable rotary engine difference compression ratio according to claim 1, it is characterised in that described
Rotor pit (20) is square groove.
4. the executing agency of achievable rotary engine difference compression ratio according to claim 1, it is characterised in that described
The two ends hypotenuse outer bevel of outer support arc block (6) so that outer support arc block (6) section outer arc is long long more than inner arc.
5. the executing agency of achievable rotary engine difference compression ratio according to claim 1, it is characterised in that described
The two ends hypotenuse inner bevel of inner support arc block (13) so that arc length is less than interior arc length outside inner support arc block (6) section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621325898.0U CN206267974U (en) | 2016-12-06 | 2016-12-06 | A kind of executing agency of achievable rotary engine difference compression ratio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621325898.0U CN206267974U (en) | 2016-12-06 | 2016-12-06 | A kind of executing agency of achievable rotary engine difference compression ratio |
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Publication Number | Publication Date |
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CN206267974U true CN206267974U (en) | 2017-06-20 |
Family
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CN201621325898.0U Withdrawn - After Issue CN206267974U (en) | 2016-12-06 | 2016-12-06 | A kind of executing agency of achievable rotary engine difference compression ratio |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106640387A (en) * | 2016-12-06 | 2017-05-10 | 江苏大学 | Executing mechanism capable of achieving different compression ratios of rotary engine |
US10544733B2 (en) | 2011-07-28 | 2020-01-28 | Pratt & Whitney Canada Corp. | Compound engine system with rotary engine |
-
2016
- 2016-12-06 CN CN201621325898.0U patent/CN206267974U/en not_active Withdrawn - After Issue
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10544733B2 (en) | 2011-07-28 | 2020-01-28 | Pratt & Whitney Canada Corp. | Compound engine system with rotary engine |
US11187146B2 (en) | 2011-07-28 | 2021-11-30 | Pratt & Whitney Canada Corp. | Compound engine system with rotary engine |
CN106640387A (en) * | 2016-12-06 | 2017-05-10 | 江苏大学 | Executing mechanism capable of achieving different compression ratios of rotary engine |
WO2018103272A1 (en) * | 2016-12-06 | 2018-06-14 | 江苏大学 | Actuating mechanism capable of realizing different compression ratios of rotor engine |
US10995618B2 (en) | 2016-12-06 | 2021-05-04 | Jiangsu University | Control device to achieve variable compression ratio for triangle rotary engine |
CN106640387B (en) * | 2016-12-06 | 2022-11-18 | 江苏大学 | Actuator capable of realizing different compression ratios of rotary engine |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20221118 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20221118 |