CN106194411A - A kind of high expansion ratio high torque rotary engine - Google Patents
A kind of high expansion ratio high torque rotary engine Download PDFInfo
- Publication number
- CN106194411A CN106194411A CN201610845558.9A CN201610845558A CN106194411A CN 106194411 A CN106194411 A CN 106194411A CN 201610845558 A CN201610845558 A CN 201610845558A CN 106194411 A CN106194411 A CN 106194411A
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- Prior art keywords
- expansion
- interior
- rotor
- chamber
- rotary engine
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- 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
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
-
- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B2053/005—Wankel engines
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a kind of high expansion ratio high torque rotary engine, be at least made up of cycloidal cylinder body, three-apexed rotor, interior expanding chamber；Interior expanding chamber at least includes interior expansion chamber, slideway, slip lid, sealing strip, radial spring and tangential back-moving spring；During electromotor work, carrying out air-breathing and compression stroke successively, when rotor goes to minimum working chamber, fuel gas mixture is ignited, high-temperature high-pressure fuel gas expansion work, and drive rotor rotates；After expansion stroke completes, entrance exhaust stroke opened by exhaust valve, then carries out second time air-breathing, compresses, does work and exhaust stroke, so moves in circles；In the expansion stroke stage, originally the slip lid being pressed on interior expansion chamber produces the slip in opposite direction with rotor motion, make interior expansion chamber expose to be connected as a single entity with outer expansion chamber, thus expand the expansion space of combustion gas, make expansion work more thorough, gaseous-pressure directly acts on interior expansion chamber sidewall simultaneously, increases stress surface and the arm of force of rotor, thus improves the output moment of torsion of electromotor.
Description
Technical field
The invention belongs to technical field of engines, relate to rotary engine, be specifically related to a kind of high expansion ratio high torque and turn
Sub-electromotor.
Background technology
Rotary engine (Rotary Engine) is by German Fei Jiashi wankel (Felix Wankel, 1902-
1988) invented, therefore also known as Wankel engine (Wankel Engine), he be on the basis of the achievement in research summing up forefathers,
Solve the key technical problem of some rotary-pistons, succeed in developing the rotary engine with practicality.Rotary engine
Use three-apexed rotor rotary motion complete air-breathing, compress, do work, exhaust stroke, with traditional conventional engine
Move along a straight line far different.
Rotary engine and conventional reciprocating formula electromotor depend on the bulbs of pressure that air gas burning produces with
Obtain rotatory force, but in reciprocating engine, produce the bulbs of pressure at piston top surface and push down on piston, mechanical force
It is passed to connecting rod, drives crank rotation.For rotary engine, the bulbs of pressure act on the side of rotor, thus by triangle
The center of eccentric shaft is pushed in one of three faces of rotor to.This motion is carried out under the power effect of two component, and one is directed to
The centripetal force at output shaft center, another is the circumferential force making output shaft rotation.
The rotor of rotary engine often revolves and turns around with regard to ignition expansion working three times, and general four-stroke engine
Often rotation take two turns just work done once, therefore there is the highest power-to-volume ratio.Further, since the axial operation of rotary engine is special
Property, make it need not the rotating speed that the crankshaft counterbalance of precision just can reach the highest.Whole electromotor only has two rotatable parts, saves
More than 20 movable parts such as the inlet and outlet valve of general four-stroke engine, valve spring, camshaft, engine structure
Being greatly simplified, the probability broken down also is greatly reduced.In addition to above advantage, the advantage of rotary engine also includes body
Long-pending less, lightweight, centre of gravity, vibrations are little.
Although rotary engine has the outstanding advantages that conventional reciprocating formula piston engine does not has, but exists too
Some prominent defects.First being that oil consumption is high, exhaust emissions exceeds standard.This mainly due to rotor combustion chamber in not advising
Sleeve configuration then, flame propagation path is longer, incomplete combustion, causes fuel oil and consumption of lubricating oil to increase.Additionally, rotary engine
Moment of torsion under low speed is little, starts to walk weak；The defect that another one is serious is, rotary engine is because of the reason of structure, compression ratio
It is difficult to improve, spark ignition type can only be used, it is impossible to compression-ignited, diesel oil i.e. can not be used to make fuel.Although Axela Inc. of Japan was once
Through adding single turbine supercharging to rotary engine and twin turbocharged waiting device, but simply improve output, and appropriate
Decrease exhaust emissions, but still have the biggest gap with reciprocating engine.This external-rotor engine also has sealing strip easy
Abrasion, the problem such as cylinder body processing difficulties.
For the defect of above conventional rotors electromotor, the present invention develops the rotor of a kind of high expansion ratio high torque and starts
Machine.Improving engine rotor structure, add an interior expanding chamber, make the stress surface of rotor increase, the arm of force of rotor increases；
Improve the expansion ratio of electromotor simultaneously, make burning abundant, thus the moment of torsion under low speed can be improved and export and improve electromotor
The thermal efficiency.
The technical problem to be solved is to provide the rotary engine of a kind of high expansion ratio high torque；Transformation is started
Motor rotor structure, increases an interior expanding chamber, makes the stress surface of rotor increase, and the arm of force of rotor increases, thus improves under low speed
Moment of torsion；Making burning abundant, engine efficiency improves simultaneously.
A kind of high expansion ratio high torque rotary engine, is at least made up of cycloidal cylinder body, three-apexed rotor, interior expanding chamber；
It is characterized in that: interior expanding chamber at least includes interior expansion chamber, slideway, sealing strip, slip lid, radial spring, back-moving spring and reset
Spring groove；During electromotor work, carry out intake stroke and compression stroke successively, when three-apexed rotor goes at minimum working chamber
(corresponding to the top dead centre of piston reciprocating electromotor), plug ignition, high-temperature high-pressure fuel gas expansion work, promote three-apexed rotor to turn
Dynamic；When expansion stroke completes, and exhaust valve is opened, enter exhaust stroke, then carry out second time air-breathing, compress, do work and aerofluxus
Stroke, so moves in circles；In the expansion stroke stage, the centrifugal force suffered by slip lid overcomes the restoring force and cunning that back-moving spring produces
Frictional force time dynamic, makes the slip lid being originally pressed on interior expansion chamber produce the slip in opposite direction with rotor motion, makes interior swollen
Swollen chamber is exposed and is connected as a single entity with outer expansion chamber, thus expands the expansion space of combustion gas, and the burning making combustion gas is more abundant, expansion work
More thorough, gaseous-pressure directly acts on the sidewall of interior expansion chamber simultaneously, increases the stress surface of rotor tangential direction, increases
The arm of force, makes electromotor export high torque.
Described interior expanding chamber is located at the front end of three-apexed rotor convex surface.
Described interior expansion chamber is positioned at below three-apexed rotor convex surface, and interior expansion chamber is the groove with intrados.
Described slideway has two, on the symmetrical notch being distributed in interior expansion chamber.
Described slip lid part outside slideway is convex surface arc plate, the curvature of convex surface arc plate and the curvature of three-apexed rotor convex surface
Identical.
Described slip lid part in slideway is equipped with sealing strip.
Further, equipped with the block of band flexible gasket on described slip lid.
Further, described block is when slip lid slides into the distalmost end of interior expansion chamber, and block is interior with interior expansion chamber
Wall contacts.
Further, described slip lid is when electromotor is not actuated, and the convex surface of slip lid coincide with remaining convex surface of rotor
Together.
Further, before ignition, slip lid is pressed on interior expansion chamber and completely enclosed interior expansion chamber described slip lid.
The present invention has the beneficial effects that: 1, by setting up interior expanding chamber on rotor, significantly improves expansion ratio；2, combustion gas is swollen
Swollen more thorough, burning is more abundant, is substantially reduced oil consumption, reduces waste gas discharge, reduces delivery temperature；3, increase being subject to of rotor
Power face, increases the arm of force of rotor, significantly improves the moment of torsion under low engine speed, and the starting making automobile or other dynamic power machine is fast
Prompt strong；4, rotor force of tangential direction increases, and can further improve the rotating speed of rotor.5, available power dramatically increases, and makes to turn
The power to weight ratio of sub-electromotor improves further；Significantly expand the range of application of rotary engine, such as automobile, unmanned plane and light-duty fly
Machine field.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of high expansion ratio high torque rotary engine.
Fig. 2 is the rotor structure schematic diagram of high expansion ratio high torque rotary engine.
Fig. 3 is A-A profile in Fig. 2.
Fig. 4 is B-B profile in Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As Figure 1-4, a kind of high expansion ratio high torque rotary engine, at least by cycloidal cylinder body 1, three-apexed rotor 2,
Interior expanding chamber 3 forms；Interior expanding chamber 3 at least include interior expansion chamber 31, slideway 32, sealing strip 33, slip lid 34, radial spring 35,
Back-moving spring 36 and back-moving spring groove 37；Interior expanding chamber 3 is in the front end of the convex surface of three-apexed rotor 2；Expansion chamber 31 is positioned at triangle
Below the convex surface of rotor 2, interior expansion chamber 31 is the groove of band cambered surface；Article two, slideway 32 is symmetrical, is distributed in interior expansion chamber 31
Notch on, equipped with sealing strip 33 on the sliding surface of slideway 32；Slip lid 34 by the part in slideway 32 and slideway 32 outside part
Constituting, the part outside slideway 32 is convex surface arc plate, and the curvature of arc plate is identical with the curvature of the convex surface of three-apexed rotor 2；Radial spring
35 end faces being contained in slideway 32, its effect is to make slip lid 34 be close on sliding surface, and sealing strip 33 ensures in intake stroke and pressure
In the contracting stroke stage, air will not enter interior expansion chamber 31；Back-moving spring 36 is contained in spring groove 37, and is connected with slip lid 34, sliding
Installing the block 341 of band flexible gasket on lid 34, when slip lid 34 slides into the distalmost end of interior expansion chamber 31, block 341 is with interior
The contact internal walls of expansion chamber 31 and make slip lid 34 stop sliding；The connection of other parts of rotary engine and mounting means are according to biography
System Wankel engine is carried out.
High expansion ratio high torque rotary engine described by the embodiment of the present invention and the driving of existing Wankel engine
Principle is identical, i.e. during electromotor work, carries out intake stroke and compression stroke successively, when three-apexed rotor 2 goes to minimum working chamber
(corresponding to the top dead centre of piston reciprocating electromotor) during place, plug ignition, high-temperature high-pressure fuel gas expansion work, promote triangle to turn
Son 2 rotates；When expansion stroke completes, and exhaust valve is opened, enter exhaust stroke, then carry out second time air-breathing, compress, do work and
Exhaust stroke, so moves in circles；The feature of high expansion ratio high torque rotary engine of the present invention is: rotary engine does not opens
Time dynamic, together with the convex surface of slip lid 34 is identical with remaining convex surface of three-apexed rotor 2；In the compression stroke stage, before plug ignition,
Slip lid 34 is pressed on interior expansion chamber 31 and completely enclosed interior expansion chamber 31；In the expansion stroke stage, being centrifuged suffered by slip lid 34
Frictional force when power overcomes restoring force that back-moving spring 36 produces and slides, makes the slip lid 34 being originally pressed on interior expansion chamber 31
Produce the slip contrary with three-apexed rotor 2 direction of motion, make interior expansion chamber 31 expose and be connected as a single entity with outer expansion chamber, thus expand
The expansion space of combustion gas, the burning making combustion gas is more abundant, and expansion work is more thorough, and gaseous-pressure directly acts on interior swollen simultaneously
The sidewall in swollen chamber 31, increases the stress surface of three-apexed rotor 2 tangential direction, increases the arm of force, makes electromotor export high torque.
Above example simply one of the most preferred embodiment, is to make those skilled in the art be more fully understood that this
Invention, is not to be construed as the restriction to right protection scope of the present invention, for the common scientific research personnel of this area,
The change of any unsubstantiality that all present invention of utilization are carried out or adjustment, all should fall into the protection domain of claims of the present invention
Within.
Claims (10)
1. a high expansion ratio high torque rotary engine, is at least made up of cycloidal cylinder body, three-apexed rotor, interior expanding chamber；Its
It is characterised by: interior expanding chamber at least includes interior expansion chamber, slideway, slip lid, sealing strip, radial spring and tangential back-moving spring；Send out
During motivation work, carry out intake stroke and compression stroke successively, when three-apexed rotor goes at minimum working chamber (corresponding to piston
The top dead centre of reciprocating engine), plug ignition, high-temperature high-pressure fuel gas expansion work, promote three-apexed rotor to rotate；When acting punching
Journey completes, and exhaust valve is opened, and enters exhaust stroke, then carries out second time air-breathing, compresses, does work and exhaust stroke, so follows
Ring is reciprocal；Friction in the expansion stroke stage, when the centrifugal force suffered by slip lid overcomes restoring force that tangential springs produces and slides
Power, makes the slip lid that is originally pressed on interior expansion chamber produce the slip in opposite direction with rotor motion, make interior expansion chamber expose and
Outer expansion chamber is connected as a single entity, thus expands the expansion space of combustion gas, and the burning making combustion gas is more abundant, and expansion work is more thorough, with
Time gaseous-pressure directly act on the sidewall of interior expansion chamber, increase the stress surface of rotor tangential direction, increase the arm of force, make to send out
Motivation output high torque.
2. according to a kind of high expansion ratio high torque rotary engine described in claim 1, it is characterised in that: described interior expansion
Room be in three-apexed rotor convex surface front end (front end and rear end be relative rotor the direction of motion for, in the movement direction
Forward part is front end, and part rearward is rear end, as follows).
3. according to a kind of high expansion ratio high torque rotary engine described in claim 1, it is characterised in that: described interior expansion
Chamber is positioned at below three-apexed rotor convex surface, and interior expansion chamber is the groove of band intrados.
4. according to a kind of high expansion ratio high torque rotary engine described in claim 1, it is characterised in that: described slideway has
Article two, on the symmetrical notch being distributed in interior expansion chamber.
5. according to a kind of high expansion ratio high torque rotary engine described in claim 1, it is characterised in that: described slip lid exists
Part outside slideway is convex surface arc plate, and the curvature of arc plate is identical with the curvature of lobe of the rotor.
6. according to a kind of high expansion ratio high torque rotary engine described in claim 1, it is characterised in that: described slip lid exists
Part in slideway is equipped with sealing strip.
7. according to a kind of high expansion ratio high torque rotary engine described in claim 5 or 6, it is characterised in that: described cunning
Cover the block equipped with band flexible gasket.
8. according to a kind of high expansion ratio high torque rotary engine described in claim 7, it is characterised in that: described block exists
When slip lid slides into the distalmost end of interior expansion chamber, block and the contact internal walls of interior expansion chamber.
9. according to a kind of high expansion ratio high torque rotary engine described in any one of claim 5 to 8, it is characterised in that: institute
The slip lid stated is when electromotor is not actuated, together with remaining convex surface of the convex surface of slip lid and rotor coincide.
10. according to a kind of high expansion ratio high torque rotary engine described in any one of claim 5 to 9, it is characterised in that: institute
Before ignition, slip lid is pressed on interior expansion chamber and completely enclosed interior expansion chamber the slip lid stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845558.9A CN106194411B (en) | 2016-09-25 | 2016-09-25 | A kind of high expansion ratio high torque rotary engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845558.9A CN106194411B (en) | 2016-09-25 | 2016-09-25 | A kind of high expansion ratio high torque rotary engine |
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| Publication Number | Publication Date |
|---|---|
| CN106194411A true CN106194411A (en) | 2016-12-07 |
| CN106194411B CN106194411B (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901338A (en) * | 2021-03-12 | 2021-06-04 | 北京工业大学 | Radial sealing piece with gradually-expanded diffusion tubular cut |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071890A1 (en) * | 1981-08-04 | 1983-02-16 | Wankel, Felix, Dr. h.c. | Reciprocating or rotary piston engine with variable-volume end compression chamber |
| JPH07224673A (en) * | 1994-02-14 | 1995-08-22 | Hiroshi Nakamura | Rotary engine |
| CN102900515A (en) * | 2011-07-28 | 2013-01-30 | 普拉特-惠特尼加拿大公司 | Rotary internal combustion engine with variable volumetric compression ratio |
| CN104373206A (en) * | 2013-08-12 | 2015-02-25 | 周荣光 | Improved structure of rotary engine |
-
2016
- 2016-09-25 CN CN201610845558.9A patent/CN106194411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071890A1 (en) * | 1981-08-04 | 1983-02-16 | Wankel, Felix, Dr. h.c. | Reciprocating or rotary piston engine with variable-volume end compression chamber |
| JPH07224673A (en) * | 1994-02-14 | 1995-08-22 | Hiroshi Nakamura | Rotary engine |
| CN102900515A (en) * | 2011-07-28 | 2013-01-30 | 普拉特-惠特尼加拿大公司 | Rotary internal combustion engine with variable volumetric compression ratio |
| CN104373206A (en) * | 2013-08-12 | 2015-02-25 | 周荣光 | Improved structure of rotary engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901338A (en) * | 2021-03-12 | 2021-06-04 | 北京工业大学 | Radial sealing piece with gradually-expanded diffusion tubular cut |
| CN112901338B (en) * | 2021-03-12 | 2022-09-20 | 北京工业大学 | Radial sealing piece with gradually-expanded diffusion tubular cut |
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| Publication number | Publication date |
|---|---|
| CN106194411B (en) | 2018-10-30 |
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