CN2881118Y - Convex-concave gear type rotor engine - Google Patents
Convex-concave gear type rotor engine Download PDFInfo
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- CN2881118Y CN2881118Y CNU2006200252840U CN200620025284U CN2881118Y CN 2881118 Y CN2881118 Y CN 2881118Y CN U2006200252840 U CNU2006200252840 U CN U2006200252840U CN 200620025284 U CN200620025284 U CN 200620025284U CN 2881118 Y CN2881118 Y CN 2881118Y
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- double wedge
- cavity
- recessed tooth
- tooth
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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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Abstract
The utility model discloses a convex-concave gear type rotor engine, which is dedicated to provide an engine with good sealing performance, full fuel combustion, simple structure and smooth working performance. Both ends of the cylinder are arranged with an outer cover and an inner cover, a main shaft and an accessory shaft, at least two cavities with identical structure are partitioned in the internal cylinder by a center spacer, each cavity is an inverted 8-shaped cavity of which the main shaft and the accessory shaft is of same concentricity. The main shaft of each cavity is connected with a concave gear type rotor with the U-shaped sets and the accessory shaft is connected with a convex gear type rotor whose dedendum has a rolling seal plate, the top part of the concave gear type rotor and convex gear type rotor have sliding contact with the inner wall of the inverted 8-shaped cavity, the phase-difference of the two concave gear type rotors and convex gear type rotor in two cavities are 180 degrees / gear number. A spark plug and a fire guide hole are arranged on the center spacer. The engine smooth has smooth operation, low noise, improved wear degree and extended service life, reduced ignition backward period and a more complete combustion.
Description
Technical field
The utility model relates to a kind of motor, in particular, relates in a kind of cylinder body to be respectively at least two cylinders and two rotors that are meshed the rotary engine of corresponding double wedge and recessed tooth.
Background technique
At present, in the existing rotor motor, because rotor and cylinder body decentraction, in rotation process, rotor is big to the impact force of cylinder body, and has hysteresis power, makes engine roughness, and vibration and noise are big, serious wear, in-fighting part merit.And existing rotary engine is in operation process at a high speed, and each work cycle all needs plug ignition.(perhaps delay of ignition) widened induction period in the frequent igniting of high speed, makes mixture combustion insufficient, and the efficient of fuel is low.And, since the restriction of structure, the poor sealing performance of cylinder body.
The model utility content
The utility model is for a kind of good seal performance is provided, and fuel combustion is abundant, the concavo-convex gear type rotor engine of simple in structure, stable working.
The utility model is achieved through the following technical solutions:
A kind of concavo-convex gear type rotor engine, the two ends of cylinder body are respectively arranged with outer end cap, be respectively arranged with inner end cap in two outer end cap inboards, be provided with main shaft and countershaft in the cylinder body, it is characterized in that, be separated at least two identical in structure cavitys in cylinder interior by central diaphragm, there is the back pressure spring outer end cap between main shaft, the countershaft and inner end cap connecting part by adjusting bolt; Each cavity serve as reasons cool tile fragment, hot tile fragment and cylinder body composition and main shaft and the concentric cavity of falling the figure of eight of countershaft are under the cool tile fragment, be respectively arranged with the back pressure spring sheet on the hot tile fragment; Be connected with the recessed tooth rotor that has the U jacket on the main shaft in each cavity, be connected with the double wedge rotor that tooth root portion has the rolling seal sheet on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume, rotate round about along the cavity inner wall of falling the figure of eight at the top of described double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact; Phase difference is the 180 degree/recessed tooth numbers of teeth between the two recessed tooth rotors on the described main shaft in two cavitys, and the phase difference on the countershaft between the two double wedge rotors is the 180 degree/double wedge numbers of teeth; Be provided with spark-plug hole with the corresponding position, working room on recessed tooth rotor top on the central diaphragm or on two inner end cap, be provided with spark plug in the described spark-plug hole, described central diaphragm lower end is provided with the fire hole of leading that connects adjacent cavity, the lower end of leading fire hole be positioned at the main shaft and the countershaft line of centres near; It is tangent to lead fire hole and the corresponding side of double wedge rotor and double wedge rotor tooth top; When spark plug is positioned on the central diaphragm, lead the lower end that fire hole is positioned at spark plug; When spark plug was positioned on the inner end cap, the lower end of spark plug was provided with the sparking hole, and the two ends in described sparking hole are respectively with tangent at the bottom of the tooth of corresponding double wedge rotor tooth top and recessed tooth rotor; Be respectively arranged with the gas collection road at the cavity radial outside, two gas collection roads extend upward and connect into outlet pipe, be provided with diminishing main air intake with the corresponding position of the cavity of falling figure of eight radial outside on the inner end cap at two ends or the central diaphragm, inner end cap is positioned on the identical circumference with main air intake on the central diaphragm, described main air intake end is in the bottom of recessed tooth rotor, and described main air intake is communicated with gas-entered passageway and Carburetor; Be provided with the extra-air inlet that communicates with air-strainer in the main air intake inboard.
/ 2nd places at hot tile fragment and the corresponding arc surface of recessed tooth rotor are provided with the back pressure gas port, hot tile fragment is provided with the equilibrium air pressure hole, one end in described equilibrium air pressure hole is positioned on hot tile fragment and the corresponding circular arc of recessed tooth rotor, and the distance bottom circular arc is the position of the recessed tooth facewidth, the other end is positioned on hot tile fragment and the corresponding circular arc of double wedge rotor, and the distance bottom circular arc is the position of double wedge tooth top width.
Cavity between two outlet pipes is a preheating chamber, and central diaphragm or two inner end cap are provided with the pre-heating fuel gas inlet hole that communicates with preheating chamber, and the end of pre-heating fuel gas inlet hole communicates at the plenum chamber that is positioned at double wedge rotor lower end and with plenum chamber.
Be respectively arranged with the gap between the outside, end of described U jacket and the recessed tooth rotor body and between the bottom of described U jacket and the recessed tooth rotor body.
A kind of concavo-convex gear type rotor engine, the two ends of cylinder body are respectively arranged with outer end cap, be respectively arranged with inner end cap in two outer end cap inboards, be provided with main shaft and countershaft in the cylinder body, it is characterized in that, be separated at least four identical in structure cavitys in cylinder interior by dividing plate, there is the back pressure spring outer end cap between main shaft, the countershaft and inner end cap connecting part by adjusting bolt; Each cavity serve as reasons cool tile fragment, hot tile fragment and cylinder body composition and main shaft and the concentric cavity of falling the figure of eight of countershaft are under the cool tile fragment, be respectively arranged with the back pressure spring sheet on the hot tile fragment; Be connected with the recessed tooth rotor that has the U jacket on the main shaft in each cavity, be connected with the double wedge rotor that tooth root portion has the rolling seal sheet on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume, rotate round about along the cavity inner wall of falling the figure of eight at the top of described double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact; Phase difference is the 180 degree/recessed tooth numbers of teeth between the two recessed tooth rotors on the described main shaft in two cavitys of middle part, and the phase difference on the countershaft between the two double wedge rotors of middle part is the 180 degree/double wedge numbers of teeth; External cavity is identical with the phase place of adjacent cavity; First dividing plate or second partition are provided with spark plug, the distance of the lower end of described spark plug and main shaft and the countershaft line of centres is the double wedge addendum width, the side of described spark plug and double wedge rotor tooth top are tangent, described spark plug lower end is provided with the sparking hole that is communicated with adjacent active chamber, and the two ends in described sparking hole are respectively with tangent at the bottom of corresponding double wedge rotor tooth top and the recessed tooth rotor tooth; Described central diaphragm lower end is provided with the fire hole of leading that connects middle part two cavitys, described lower end of leading fire hole be positioned at the main shaft and the countershaft line of centres near; Described tooth top of leading fire hole and corresponding side of double wedge rotor and double wedge rotor is tangent; The radial outside that two cavitys have a common boundary at the middle part is respectively arranged with the gas collection road, two gas collection roads extend upward and connect into outlet pipe, on first dividing plate and second partition, be provided with diminishing intake duct with the corresponding position of the cavity of falling figure of eight radial outside, intake duct is communicated with gas-entered passageway, and described intake duct end is in the bottom of recessed tooth rotor; Be provided with the end of mixed gas intake duct with the terminal adjacent of described intake duct, the angle of the top of described mixed gas intake duct and main shaft and the countershaft line of centres is 30 degree, described mixed gas intake duct is connected in the pipeline by passing first dividing plate or second partition and the mixed gas on first dividing plate or the second partition another side hole of calming the anger respectively, and described gas-entered passageway is connected with Carburetor.
The calm the anger distance of hole upper end and the main shaft and the countershaft line of centres of described mixed gas is 1/2nd double wedge tooth top widths; Be provided with suction port with corresponding position, critical place, top dead center work in combination chamber on inner end cap, described suction port is connected with Carburetor.
Be positioned at two cavitys at middle part, / 2nd places at hot tile fragment and the corresponding arc surface of recessed tooth rotor are provided with the back pressure gas port, hot tile fragment is provided with the equilibrium air pressure hole, one end in described equilibrium air pressure hole is positioned on hot tile fragment and the corresponding circular arc of recessed tooth rotor, and the distance bottom circular arc is the position of the recessed tooth facewidth, the other end is positioned on hot tile fragment and the corresponding circular arc of double wedge rotor, and the distance bottom circular arc is the position of double wedge tooth top width.
Cavity between two outlet pipes is a preheating chamber, is respectively arranged with the pre-heating fuel gas inlet hole that communicates with preheating chamber on first dividing plate or second partition, and pre-heating fuel gas inlet hole and the mixed gas hole of calming the anger is communicated with.
Be respectively arranged with the gap between the outside, end of described U jacket and the recessed tooth rotor body and between the bottom of described U jacket and the recessed tooth rotor body.
The utlity model has following technique effect:
1. the rotor of motor of the present utility model adopts recessed tooth rotor and double wedge rotor to intermesh and the structure concentric with corresponding cylinder body, two rotors are done pure rotation motion in the other direction, reduced hysteresis power, avoid producing impact force, therefore, running is steady, and noise is little, the degree of wear is improved, and has prolonged working life.
2. because the fire hole of leading of connection is arranged between two cavitys, and two recessed tooth rotors have phase difference on the work cycle of two cavitys, after the plug ignition starting, the combustion gas of two cavity firing chambers can be by leading the flame propagation that fire hole is realized two firing chambers, in the alternately igniting automatically of the best times two firing chamber.Therefore, reduce delay of ignition, made burning more complete, thorough, improved the efficient of fuel, reduced pollution, helped environmental protection.And can use pluralities of fuel and weak mixture body.
3. form preheating chamber between two outlet pipes, fuel can be shifted to an earlier date pre-thermal evaporation and supply with suction chamber, fully reclaim heat, improved the thermal efficiency.
4. the breathing process inertia energy and the centrifugal force that have made full use of exhaust is realized air-breathing and scavenging, and adopts mixed gas and the measure that waste gas cuts off, and makes heat further obtain recovery, has improved the thermal efficiency.
5. be contained between two double wedge rotors on the same countershaft and have phase difference, be contained between two recessed tooth rotors on the same main shaft and also have phase difference, protruding during work, recessed tooth rotor can play the effect of phasing gears mutually, therefore phasing gears need not be set, output power is even, stable working, simple in structure.
Change number of times 6.U the use of jacket can reduce rotor, protruding, recessed tooth has the effect of gas lubrication after engagement, improved working life.
7. many kinds of sealing configurations are combined, the cylinder body good seal performance.
8. the air cylinder with pressurization is set in cylinder body, can improves the power of motor.
Description of drawings
Fig. 1 is the sectional view of the utility model twin-tub concavo-convex gear type rotor engine;
Fig. 2 is the A-A sectional view of A cylinder;
Fig. 3 is the B-B sectional view of B cylinder;
Fig. 4 is the structural representation of central diaphragm;
Fig. 5 is the sectional view of four cylinder concavo-convex gear type rotor engines;
Fig. 6 is the Al-A1 sectional view of A1 cylinder;
Fig. 7 is the B1-B1 sectional view of B1 cylinder;
Fig. 8 is the A2-A2 sectional view of A2 cylinder;
Fig. 9 is the B2-B2 sectional view of B2 cylinder;
Figure 10 is the structural representation of membrane front face;
Figure 11 is the structural representation of dividing plate reverse side.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The twin cylinder engine that recessed tooth rotor of embodiment 1:8 and 6 double wedge rotors are formed
Fig. 1 is the sectional view of the utility model twin-tub concavo-convex gear type rotor engine, be respectively arranged with outer end cap 24,32 at the two ends of cylinder body 38, be respectively arranged with inner end cap 25,27 in two outer end cap inboards, be provided with main shaft 28 and countershaft 31 in the cylinder body, outer end cap between main shaft, the countershaft and inner end cap connecting part are fixed with back pressure spring 23 by adjusting bolt 22, are fixed with back pressure spring 29 by adjusting bolt 30.Be separated into two identical in structure cavity A cylinders, B cylinder in cylinder interior by central diaphragm 26, central diaphragm, inner end cap and back pressure spring are realized axial seal.Fig. 2 is the A-A sectional view of A cylinder, in the A cylinder, form and main shaft and the concentric cavity of falling the figure of eight of countershaft by cool tile fragment 1-1, hot tile fragment 12-1 and cylinder body 38, be arranged with back pressure spring sheet 17-1 at cool tile fragment, hot tile fragment is provided with back pressure spring sheet 9-1, makes between cavity of falling the figure of eight and the rotor to seal.Be connected with the 8 recessed tooth rotor 3-1 that have U jacket 4 on the main shaft, be connected with the 6 double wedge rotor 2-1 that tooth root portion has rolling seal sheet 15 on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume.U jacket and rolling seal sheet can insert from an end of rotor to be realized corresponding U jacket groove and the rolling seal film trap installing.The U jacket can be separately fixed on the recessed tooth rotor for a plurality of, after also a plurality of U jackets can being linked into an integrated entity, is fixed on the recessed tooth rotor.Can adopt spline fitted between main shaft, countershaft and the corresponding rotor.The top of double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact, rotate round about along the cavity inner wall of falling the figure of eight respectively, realize the handing-over sealing in the intersection, cool tile fragment, hot tile fragment, U jacket and rolling seal sheet are realized the radial seal of cavity.Form double wedge working rotor chamber 37-1 between double wedge rotor 2-1 and the cavity, form recessed tooth working rotor chamber 36-1 between recessed tooth rotor 3-1 and the cavity, form the work in combination chamber between double wedge and the recessed tooth.U jacket and rolling seal sheet can make each adjacent work in combination chamber separate fully, along with the rotation volume constantly changes.Fig. 3 is the B-B sectional view of B cylinder, in the B cylinder, form and main shaft and the concentric cavity of falling the figure of eight of countershaft by cool tile fragment 1-2, hot tile fragment 12-2 and cylinder body 38, be arranged with back pressure spring sheet 17-2 at cool tile fragment, hot tile fragment is provided with back pressure spring sheet 9-2, makes between cavity of falling the figure of eight and the rotor to seal.Be connected with the 8 recessed tooth rotor 3-2 that have U jacket 4 on the main shaft, be connected with the 6 double wedge rotor 2-2 that tooth root portion has rolling seal sheet 15 on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume.U jacket and rolling seal sheet can insert from an end of rotor to be realized corresponding U jacket groove and the rolling seal film trap installing.Can adopt spline fitted between main shaft, countershaft and the corresponding rotor.The top of double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact, rotate round about along the cavity inner wall of falling the figure of eight respectively, realize the handing-over sealing in the intersection, cool tile fragment, hot tile fragment, U jacket and rolling seal sheet are realized the radial seal of cavity.Form double wedge working rotor chamber 37-2 between double wedge rotor 2-2 and the cavity, form recessed tooth working rotor chamber 36-2 between recessed tooth rotor 3-2 and the cavity, form the work in combination chamber between double wedge and the recessed tooth.U jacket and rolling seal sheet can make each adjacent work in combination chamber separate fully, along with the rotation volume constantly changes.The structure of A cylinder, B cylinder is identical, but on the main shaft between two recessed tooth rotor 3-1, the 3-2 phase difference be the 180/ recessed tooth number of teeth, for 8 recessed tooth rotor phase differences is 22.5 degree, and the phase difference on the countershaft between two double wedge rotor 2-1, the 2-2 is the 180/ double wedge number of teeth, is 30 degree for 6 double wedge rotor phase differences.Like this, whole work cycle produces phase difference, avoids using phasing gears, makes engine structure simpler.Corresponding position, working room with recessed tooth rotor top on central diaphragm 26 is provided with spark-plug hole, and spark plug 20 is installed in the spark-plug hole.Spark plug also can be installed on the inner end cap 25,27.Central diaphragm be provided with connect adjacent cavity A cylinder, B cylinder lead fire hole 19.Lead fire hole and be positioned near the top dead center, its lower end is positioned near the main shaft and the countershaft line of centres.It is tangent to lead fire hole and the corresponding side of double wedge rotor and double wedge rotor tooth top.When spark plug is positioned on the central diaphragm, lead the lower end that fire hole is positioned at spark plug.When spark plug was positioned on the inner end cap, the lower end of spark plug was provided with the sparking hole, and the two ends in described sparking hole are respectively with tangent at the bottom of the tooth of corresponding double wedge rotor tooth top and recessed tooth rotor.In the A cylinder, be respectively arranged with gas collection road 6-1,14-1 at the cavity radial outside, two gas collection road 6-1,14-1 extend upward and connect into outlet pipe 10-1.In the B cylinder, be respectively arranged with gas collection road 6-2,14-2 at the cavity radial outside, two gas collection road 6-2,14-2 extend upward and connect into outlet pipe 10-2.Be provided with diminishing main air intake 5-1,16-1,5-2,16-2,5-1 ', 16-1 ', 5-2 ', 16-2 ' in the position accordingly with the cavity of falling the figure of eight outside on the inner end cap at two ends or central diaphragm, inner end cap is positioned on the identical circumference with main air intake on the central diaphragm.Also two gas collection road 6-1,6-2 can be merged into one, two gas collection road 14-1,14-2 are merged into one, be merged into an outlet pipe afterwards, be installed in A cylinder and B cylinder intersection cavity radial outside.At this moment, main air intake can only be arranged on two inner end cap, can not be arranged on the central diaphragm.Fig. 4 is the structural representation of central diaphragm, and the main air intake end is in the bottom of recessed tooth rotor.Be provided with extra-air inlet 8-1,21-1,8-2, the 21-2 that communicates with air-strainer in the main air intake inboard.Main air intake 5-1,5-2,5-1 ', 5-2 ' are communicated with gas-entered passageway 7, and main air intake 16-1,16-2,16-1 ', 16-2 ' are communicated with gas-entered passageway 13, and gas-entered passageway 7,13 is communicated with Carburetor.Fuel enters in double wedge working rotor chamber 37-1, the 37-2 that forms between the recessed tooth working rotor chamber 36-1, the 36-2 that form between recessed tooth and the cavity and double wedge and the cavity by Carburetor and gas-entered passageway, main air intake.
In the A cylinder, in the time of near the working room that is full of fuel turns to top dead center, protruding, recessed tooth rotor intermeshes, the compressing inflammable mixture gas body, form the working room of volume minimum, plug ignition, gaseous combustion work done, generation rotatablely moves, and forms the work in combination chamber of being made up of part double wedge working rotor chamber and recessed tooth working rotor chamber.After gaseous combustion, the work in combination chamber is divided into recessed tooth working rotor chamber and double wedge working rotor chamber again, carries the residual gas opposite spin respectively.Through the gas collection road time, waste gas is very fast discharges outside the cylinder after the gas collection road converges to outlet pipe.Behind one section free exhaust stroke, because the effect of inertia of free exhaust in outlet pipe, make the gas in double wedge working rotor chamber and the recessed tooth working rotor chamber become negative pressure very soon, when turning to extra-air inlet, the fresh air of a certain amount of not carrying fuel of inspiration, when turning to main air intake, inspiration has the mixed gas of fuel.The fresh air of inspiration can effectively be separated the residual gas in double wedge working rotor chamber and the recessed tooth working rotor chamber and the mixed gas of inspiration, thereby avoids the loss of fuel in scavenging process.Owing to have phase difference between the two recessed tooth rotors, near top dead center, during concave, convex tooth rotor engaged, the work in combination chamber of two cylinders is communicated with by leading fire hole.The work in combination chamber of A, B two cylinders is slipping over when leading fire hole in succession, the mixed gas of burning is entered the work in combination chamber of B cylinder by leading fire hole by the work in combination chamber of A cylinder, enter the work in combination chamber of A cylinder again by the work in combination chamber of B cylinder, thereby, this motor is by behind the plug ignition, and the working room of A, B two cylinders can realize alternately flame propagation igniting automatically.Like this, this motor is promptly inhaled the carrying out that the overall process of pressing quick-fried row is gone round and begun again with suction, compression, burning work done, the exhaust of fuel, and power is exported through countershaft, and output power is even.
/ 2nd places with the corresponding arc surface of recessed tooth rotor on hot tile fragment 12-1 are provided with back pressure gas port 33-1, / 2nd places with the corresponding arc surface of recessed tooth rotor on hot tile fragment 12-2 are provided with back pressure gas port 33-2, after gas blow-through, part gas enters between back pressure spring sheet 9-1 and the hot tile fragment 12-1 by back pressure gas port 33-1, enter between back pressure spring sheet 9-2 and the hot tile fragment 12-2 by back pressure gas port 33-2, realize the radial seal of two working rotor chambers.Hot tile fragment 12-1 is provided with equilibrium air pressure hole 34-1, hot tile fragment 12-2 is provided with equilibrium air pressure hole 34-2, one end in equilibrium air pressure hole is positioned on hot tile fragment and the corresponding circular arc of recessed tooth rotor, and the distance bottom circular arc is the position of the recessed tooth facewidth, the other end is positioned on hot tile fragment and the corresponding circular arc of double wedge rotor, and the distance bottom circular arc is the position of double wedge tooth top width.After gas blow-through, a part of gas is realized the air pressure balance of double wedge working rotor chamber and recessed tooth working rotor chamber by the equilibrium air pressure hole, and the gas in the recessed tooth working rotor chamber further is applied, to improve the efficient of fuel.
For abundant recovered energy, improve the thermal efficiency, cavity between two outlet pipes is preheating chamber 11-1,11-2, central diaphragm 26 is provided with the pre-heating fuel gas inlet hole 35 that communicates with preheating chamber, the end of pre-heating fuel gas inlet hole 35 is at the plenum chamber 18 that is positioned at double wedge rotor lower end, and communicates with the plenum chamber of A cylinder and B cylinder.When fuel process preheating chamber, be deflated the hot gas preheating in the pipe, enter in the plenum chamber through pre-heating fuel gas inlet hole.The position that turns to spark plug participates in burning.Pre-heating fuel gas inlet hole also can be separately positioned on the inner end cap, and two preheating chambers are communicated with adjacent pre-heating fuel gas inlet hole respectively.
Be provided with side clearance 39 outside the end of U jacket 4 and between the recessed tooth rotor body, after the wearing and tearing of U jacket, still can realizing sealing, reducing the number of times that the U jacket is changed, improving working life.Be provided with gap 40 between the bottom of U jacket 4 and recessed tooth rotor body, after gas expanded, U jacket two end part can be held the double wedge of double wedge rotor tightly, guaranteed the sealing of working room.
The rolling spring sheet can be one, also can be formed by stacking by two spring sheets, to reduce difficulty of processing, increases sealability.
Between two rotors and cylinder body, leave the matching gap of thermal expansion, prevent that two rotors are blocked by cylinder body in the rotation process.The intermeshing double wedge of two rotors is identical with the single-circular-arc gear theory with the design of recessed tooth.
More than be the embodiment of the motor that all does work of twin-tub and twin-tub.Motor of the present utility model can be three cylinders or four cylinders etc. according to actual needs, and the motor that all does work of each cylinder.When motor is three cylinders, install additional and A cylinder structure and identical another cylinder of phase place in the side of B cylinder, perhaps install additional and B cylinder structure and identical another cylinder of phase place in the side of A cylinder.When motor is four cylinders, can install additional in the side of B cylinder or A cylinder and identical two cylinders in addition of A, B two cylinders combination back structure and phase place.And the like.
Motor of the present utility model can also use two cylinders as air cylinder, and two air cylinders do not do work.With the two cylinders acting at middle part, four cylinders, 6 double wedge rotors, the 8 recessed tooth rotary engine that two outside cylinders do not do work are that example further specifies the utility model below.
Fig. 5 is the sectional view of four cylinder concavo-convex gear type rotor engines, be respectively arranged with outer end cap 24,32 at the two ends of cylinder body 38, be respectively arranged with inner end cap 25,27 in two outer end cap inboards, be provided with main shaft 28 and countershaft 31 in the cylinder body, outer end cap between main shaft, the countershaft and inner end cap connecting part are fixed with back pressure spring 23 by adjusting bolt 22, are fixed with back pressure spring 29 by adjusting bolt 30.Be separated into four identical in structure cavity A2 cylinders, A1 cylinder, B1 cylinder, B2 cylinder in cylinder interior by the first dividing plate 26-1, central diaphragm 26, second partition 26-2, first dividing plate, central diaphragm, second partition, inner end cap and back pressure spring are realized axial seal.Fig. 6 is the A1-A1 sectional view of A1 cylinder, in the A1 cylinder, be made up of and main shaft and the concentric cavity of falling the figure of eight of countershaft cool tile fragment 1-A1, hot tile fragment 12-A1 and cylinder body 38, be arranged with back pressure spring sheet 17-A1 at cool tile fragment, hot tile fragment is provided with back pressure spring sheet 9-A1.Be connected with the recessed tooth rotor 3-A1 that has U jacket 4 on the main shaft, be connected with the double wedge rotor 2-A1 that tooth root portion has rolling seal sheet 15 on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume.Rotate round about along the cavity inner wall of falling the figure of eight at the top of double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact.Figure 10 is the front schematic view of dividing plate, Figure 11 is the schematic rear view of dividing plate, be provided with diminishing intake duct 5-A1,16-A1 with the corresponding position of the cavity of falling figure of eight radial outside on the first dividing plate 26-1, the intake duct end is in the bottom of recessed tooth rotor 3-A1.Be provided with the end of mixed gas intake duct 42-A1,41-A1 with the terminal adjacent of intake duct 5-A1,16-A1, the top of described mixed gas intake duct 42-A1,41-A1 and the angle of the main shaft and the countershaft line of centres are 30 degree, and mixed gas intake duct 42-A1, the 41-A1 pipeline by passing first dividing plate and the mixed gas on the first dividing plate another side hole 44-A that calms the anger respectively are connected.The calm the anger distance of hole 44-A upper end and the main shaft and the countershaft line of centres of mixed gas is 1/2nd double wedge tooth top widths.Intake duct 5-A1 is communicated with gas-entered passageway 7-A, and intake duct 16-A1 is communicated with gas-entered passageway 13-A, and gas-entered passageway 7A, 13A are communicated with Carburetor.
Fig. 7 is the B1-B1 sectional view of B1 cylinder, in the B1 cylinder, be made up of and main shaft and the concentric cavity of falling the figure of eight of countershaft cool tile fragment 1-B1, hot tile fragment 12-B1 and cylinder body 38, be arranged with back pressure spring sheet 17-B1 at cool tile fragment, hot tile fragment is provided with back pressure spring sheet 9-B1.Be connected with the recessed tooth rotor 3-B1 that has U jacket 4 on the main shaft, be connected with the double wedge rotor 2-B1 that tooth root portion has rolling seal sheet 15 on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume.Rotate round about along the cavity inner wall of falling the figure of eight at the top of double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact.Figure 10 is the front schematic view of dividing plate, Figure 11 is the schematic rear view of dividing plate, be provided with diminishing intake duct 5-B1,16-B1 with the corresponding position of the cavity of falling figure of eight radial outside on second partition 26-2, the intake duct end is in the bottom of recessed tooth rotor 3-B1.Be provided with the end of mixed gas intake duct 42-B1,41-B1 with the terminal adjacent of intake duct 5-B1,16-B1, the top of described mixed gas intake duct 42-B1,41-B1 and the angle of the main shaft and the countershaft line of centres are 30 degree, and mixed gas intake duct 42-B1, the 41-B1 pipeline by passing second partition and the mixed gas on the second partition another side hole 44-B that calms the anger respectively are connected.The calm the anger distance of hole 44-B upper end and the main shaft and the countershaft line of centres of mixed gas is 1/2nd double wedge tooth top widths.Intake duct 5-B1 is communicated with gas-entered passageway 7-A, and intake duct 16-B1 is communicated with gas-entered passageway 13-A.
Fig. 8 is the A2-A2 sectional view of A2 cylinder, in the A2 cylinder, be made up of and main shaft and the concentric cavity of falling the figure of eight of countershaft cool tile fragment 1-A2, hot tile fragment 12-A2 and cylinder body 38, be arranged with back pressure spring sheet 17-A2 at cool tile fragment, hot tile fragment is provided with back pressure spring sheet 9-A2.Be connected with the recessed tooth rotor 3-A2 that has U jacket 4 on the main shaft, be connected with the double wedge rotor 2-A2 that tooth root portion has rolling seal sheet 15 on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume.Rotate round about along the cavity inner wall of falling the figure of eight at the top of double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact.
Fig. 9 is the B2-B2 sectional view of B2 cylinder, in the B2 cylinder, be made up of and main shaft and the concentric cavity of falling the figure of eight of countershaft cool tile fragment 1-B2, hot tile fragment 12-B2 and cylinder body 38, be arranged with back pressure spring sheet 17-B2 at cool tile fragment, hot tile fragment is provided with back pressure spring sheet 9-B2.Be connected with the recessed tooth rotor 3-B2 that has U jacket 4 on the main shaft, be connected with the double wedge rotor 2-B2 that tooth root portion has rolling seal sheet 15 on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume.Rotate round about along the cavity inner wall of falling the figure of eight at the top of double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact.
The first dividing plate 26-1 or second partition 26-2 are provided with spark plug 20, the distance of the lower end of spark plug and main shaft and the countershaft line of centres is the double wedge addendum width, the side of spark plug and double wedge rotor tooth top are tangent, the spark plug lower end is provided with the sparking hole 43 that is communicated with adjacent active chamber, when spark plug is on first dividing plate, the sparking hole is communicated with the A1 cylinder, and when spark plug was on second partition, the sparking hole was communicated with the B1 cylinder.The two ends in sparking hole are respectively with tangent at the bottom of corresponding double wedge rotor tooth top and the recessed tooth rotor tooth.Central diaphragm 26 lower ends be provided with connect middle part two cavity A1 cylinders, B1 cylinder lead fire hole 19, leading fire hole is positioned near the top dead center, the lower end of leading fire hole 19 be positioned at the main shaft and the countershaft line of centres near, the tooth top of leading fire hole and corresponding side of double wedge rotor and double wedge rotor is tangent.The radial outside that two cavity A1 cylinders, B1 cylinder have a common boundary at the middle part is respectively arranged with 6,14, two gas collection roads, gas collection road and extends upward and connect into outlet pipe 10.Be respectively arranged with suction port 45-1,45-2 with corresponding position, critical place, top dead center work in combination chamber on inner end cap 25,27, suction port is connected with Carburetor respectively.
Phase difference is the 180 degree/recessed tooth numbers of teeth between two recessed tooth rotor 3-A1, the 3-B1 on the main shaft in middle part two cavity A1, the B1 cylinder, and the phase difference on the countershaft between middle part A1, B1 cylinder two double wedge rotor 2-A1, the 2-B1 is the 180 degree/double wedge numbers of teeth.For 8 recessed tooth rotor phase differences is 22.5 degree, is 30 degree for 6 double wedge rotor phase differences.External cavity A2 cylinder is identical with the phase place of adjacent cavity A1 cylinder, and external cavity B2 cylinder is identical with the phase place of adjacent cavity B1 cylinder.
In the A1 cylinder, when the work in combination chamber reached top dead center, the mixed gas hole 44-A that calms the anger closed, and suction port 45-1 is about to open at open critical place.When the work in combination chamber of engagement is begun to slip over suction port 45-1 gradually by top dead center, because the volume of work in combination chamber constantly becomes greatly, produce negative pressure of vacuum, thereby suck the mixed gas that communicates with Carburetor by suction port 45-1.The working room's rotation engagement compressed mixed gas that has a mixed gas makes gas be pressed into the mixed gas hole 44-A that calms the anger, again by pipeline athwart the first dividing plate 26-1 enter mixed gas intake duct 41-A1,42-A1.With the mixed gas hole of calming the anger phase difference is arranged because the mixed gas intake duct is inner, and the angle that is connected with the center of main shaft and countershaft of mixed gas intake duct top is 30 to spend, can avoids combustion gas to scurry into air flue, avoid tempering.The end of mixed gas intake duct 41-A1,42-A1 is adjacent with intake duct 5-A1,16-A1 but directly do not communicate, when working room during through the junction, the very fast mixed gas intake duct band of gas in the working room is pressed mixed gas qi of chong channel ascending adversely supercharging, and the mixed gas after the supercharging enters air flue again by the working room and participates in scavenging.The mixed gas intake duct strengthens at interval with corresponding intake duct, and pressure ratio improves, and the interval reduces or the pressure ratio that communicates reduces, and improves but participate in scavenging efficiency, and spacing is selected according to the requirement of boost performance.B1 cylinder and the A1 cylinder process of calming the anger is identical.After fuel sucks, compresses, when the working room turns to top dead center, finish the process of burning work done, exhaust.
/ 2nd places with the corresponding arc surface of recessed tooth rotor 3-A1 on hot tile fragment 12-A1,12-B1 are provided with back pressure gas port 33-A1,33-B1, / 2nd places with the corresponding arc surface of recessed tooth rotor 3-B1 on hot tile fragment 12-B1 are provided with back pressure gas port 33-B1, after gas blow-through, part gas enters between back pressure spring sheet 9-A1 and the hot tile fragment 12-A1 by back pressure gas port 33-A1, enter between back pressure spring sheet 9-B1 and the hot tile fragment 12-B1 by back pressure gas port 33-B1, realize the radial seal of two working rotor chambers.Hot tile fragment 12-A1 is provided with equilibrium air pressure hole 34-A1, hot tile fragment 12-B1 is provided with equilibrium air pressure hole 34-B1, one end in equilibrium air pressure hole is positioned on hot tile fragment and the corresponding circular arc of recessed tooth rotor, and the distance bottom circular arc is the position of the recessed tooth facewidth, the other end is positioned on hot tile fragment and the corresponding circular arc of double wedge rotor, and the distance bottom circular arc is the position of double wedge tooth top width.After gas blow-through, a part of gas is realized the air pressure balance of double wedge working rotor chamber and recessed tooth working rotor chamber by the equilibrium air pressure hole, and the gas in the recessed tooth working rotor chamber further is applied, to improve the efficient of fuel.
For abundant recovered energy, improve the thermal efficiency, cavity between two outlet pipes is that preheating chamber 11, the first dividing plate 26-1 are provided with the pre-heating fuel gas inlet hole 35-A that communicates with preheating chamber 11, and the mixed gas hole 44-A that calms the anger is communicated with pre-heating fuel gas inlet hole 35-A.Second partition 26-1 is provided with the pre-heating fuel gas inlet hole 35-B that communicates with preheating chamber 11, and the mixed gas hole 44-B that calms the anger is communicated with pre-heating fuel gas inlet hole 35-B.When fuel is deflated hot gas preheating in the pipe when the preheating chamber, enters mixed gas through pre-heating fuel gas inlet hole and calm the anger in the hole.The position that turns to spark plug participates in burning.
Although relate to a kind of concavo-convex gear type rotor engine and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.
Claims (9)
1, a kind of concavo-convex gear type rotor engine, the two ends of cylinder body are respectively arranged with outer end cap, be respectively arranged with inner end cap in two outer end cap inboards, be provided with main shaft and countershaft in the cylinder body, it is characterized in that, be separated at least two identical in structure cavitys in cylinder interior by central diaphragm, there is the back pressure spring outer end cap between main shaft, the countershaft and inner end cap connecting part by adjusting bolt; Each cavity serve as reasons cool tile fragment, hot tile fragment and cylinder body composition and main shaft and the concentric cavity of falling the figure of eight of countershaft are under the cool tile fragment, be respectively arranged with the back pressure spring sheet on the hot tile fragment; Be connected with the recessed tooth rotor that has the U jacket on the main shaft in each cavity, be connected with the double wedge rotor that tooth root portion has the rolling seal sheet on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume, rotate round about along the cavity inner wall of falling the figure of eight at the top of described double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact; Phase difference is the 180 degree/recessed tooth numbers of teeth between the two recessed tooth rotors on the described main shaft in two cavitys, and the phase difference on the countershaft between the two double wedge rotors is the 180 degree/double wedge numbers of teeth; Be provided with spark-plug hole with the corresponding position, working room on recessed tooth rotor top on the central diaphragm or on two inner end cap, be provided with spark plug in the described spark-plug hole, described central diaphragm lower end is provided with the fire hole of leading that connects adjacent cavity, the lower end of leading fire hole be positioned at the main shaft and the countershaft line of centres near; It is tangent to lead fire hole and the corresponding side of double wedge rotor and double wedge rotor tooth top; When spark plug is positioned on the central diaphragm, lead the lower end that fire hole is positioned at spark plug; When spark plug was positioned on the inner end cap, the lower end of spark plug was provided with the sparking hole, and the two ends in described sparking hole are respectively with tangent at the bottom of the tooth of corresponding double wedge rotor tooth top and recessed tooth rotor; Be respectively arranged with the gas collection road at the cavity radial outside, two gas collection roads extend upward and connect into outlet pipe, be provided with diminishing main air intake with the corresponding position of the cavity of falling figure of eight radial outside on the inner end cap at two ends or the central diaphragm, inner end cap is positioned on the identical circumference with main air intake on the central diaphragm, described main air intake end is in the bottom of recessed tooth rotor, and described main air intake is communicated with gas-entered passageway and Carburetor; Be provided with the extra-air inlet that communicates with air-strainer in the main air intake inboard.
2, concavo-convex gear type rotor engine according to claim 1, it is characterized in that, / 2nd places at hot tile fragment and the corresponding arc surface of recessed tooth rotor are provided with the back pressure gas port, hot tile fragment is provided with the equilibrium air pressure hole, one end in described equilibrium air pressure hole is positioned on hot tile fragment and the corresponding circular arc of recessed tooth rotor, and the distance bottom circular arc is the position of the recessed tooth facewidth, the other end is positioned on hot tile fragment and the corresponding circular arc of double wedge rotor, and the distance bottom circular arc is the position of double wedge tooth top width.
3, concavo-convex gear type rotor engine according to claim 1, it is characterized in that, cavity between two outlet pipes is a preheating chamber, central diaphragm or two inner end cap are provided with the pre-heating fuel gas inlet hole that communicates with preheating chamber, and the end of pre-heating fuel gas inlet hole communicates at the plenum chamber that is positioned at double wedge rotor lower end and with plenum chamber.
4, concavo-convex gear type rotor engine according to claim 1 is characterized in that, is respectively arranged with the gap between the outside, end of described U jacket and the recessed tooth rotor body and between the bottom of described U jacket and the recessed tooth rotor body.
5, a kind of concavo-convex gear type rotor engine, the two ends of cylinder body are respectively arranged with outer end cap, be respectively arranged with inner end cap in two outer end cap inboards, be provided with main shaft and countershaft in the cylinder body, it is characterized in that, be separated at least four identical in structure cavitys in cylinder interior by dividing plate, there is the back pressure spring outer end cap between main shaft, the countershaft and inner end cap connecting part by adjusting bolt; Each cavity serve as reasons cool tile fragment, hot tile fragment and cylinder body composition and main shaft and the concentric cavity of falling the figure of eight of countershaft are under the cool tile fragment, be respectively arranged with the back pressure spring sheet on the hot tile fragment; Be connected with the recessed tooth rotor that has the U jacket on the main shaft in each cavity, be connected with the double wedge rotor that tooth root portion has the rolling seal sheet on the countershaft, double wedge rotor and recessed tooth rotor intermesh and constitute the work in combination chamber of variable volume, rotate round about along the cavity inner wall of falling the figure of eight at the top of described double wedge rotor and recessed tooth rotor and the cavity inner wall of falling figure of eight sliding contact; Phase difference is the 180 degree/recessed tooth numbers of teeth between the two recessed tooth rotors on the described main shaft in two cavitys of middle part, and the phase difference on the countershaft between the two double wedge rotors of middle part is the 180 degree/double wedge numbers of teeth; External cavity is identical with the phase place of adjacent cavity; First dividing plate or second partition are provided with spark plug, the distance of the lower end of described spark plug and main shaft and the countershaft line of centres is the double wedge addendum width, the side of described spark plug and double wedge rotor tooth top are tangent, described spark plug lower end is provided with the sparking hole that is communicated with adjacent active chamber, and the two ends in described sparking hole are respectively with tangent at the bottom of corresponding double wedge rotor tooth top and the recessed tooth rotor tooth; Described central diaphragm lower end is provided with the fire hole of leading that connects middle part two cavitys, described lower end of leading fire hole be positioned at the main shaft and the countershaft line of centres near; Described tooth top of leading fire hole and corresponding side of double wedge rotor and double wedge rotor is tangent; The radial outside that two cavitys have a common boundary at the middle part is respectively arranged with the gas collection road, two gas collection roads extend upward and connect into outlet pipe, on first dividing plate and second partition, be provided with diminishing intake duct with the corresponding position of the cavity of falling figure of eight radial outside, intake duct is communicated with gas-entered passageway, and described intake duct end is in the bottom of recessed tooth rotor; Be provided with the end of mixed gas intake duct with the terminal adjacent of described intake duct, the angle of the top of described mixed gas intake duct and main shaft and the countershaft line of centres is 30 degree, and described mixed gas intake duct is connected in the pipeline by passing first dividing plate or second partition and the mixed gas on first dividing plate or the second partition another side hole of calming the anger respectively.
6, concavo-convex gear type rotor engine according to claim 5 is characterized in that, the calm the anger distance of hole upper end and the main shaft and the countershaft line of centres of described mixed gas is 1/2nd double wedge tooth top widths; Be provided with suction port with corresponding position, critical place, top dead center work in combination chamber on inner end cap, described suction port is connected with Carburetor.
7, concavo-convex gear type rotor engine according to claim 5, it is characterized in that, be positioned at two cavitys at middle part, / 2nd places at hot tile fragment and the corresponding arc surface of recessed tooth rotor are provided with the back pressure gas port, hot tile fragment is provided with the equilibrium air pressure hole, one end in described equilibrium air pressure hole is positioned on hot tile fragment and the corresponding circular arc of recessed tooth rotor, and the distance bottom circular arc is the position of the recessed tooth facewidth, the other end is positioned on hot tile fragment and the corresponding circular arc of double wedge rotor, and the distance bottom circular arc is the position of double wedge tooth top width.
8, concavo-convex gear type rotor engine according to claim 5, it is characterized in that, cavity between two outlet pipes is a preheating chamber, be respectively arranged with the pre-heating fuel gas inlet hole that communicates with preheating chamber on first dividing plate or second partition, pre-heating fuel gas inlet hole and the mixed gas hole of calming the anger is communicated with.
9, concavo-convex gear type rotor engine according to claim 5 is characterized in that, is respectively arranged with the gap between the outside, end of described U jacket and the recessed tooth rotor body and between the bottom of described U jacket and the recessed tooth rotor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200252840U CN2881118Y (en) | 2006-01-27 | 2006-01-27 | Convex-concave gear type rotor engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200252840U CN2881118Y (en) | 2006-01-27 | 2006-01-27 | Convex-concave gear type rotor engine |
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| Publication Number | Publication Date |
|---|---|
| CN2881118Y true CN2881118Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200252840U Expired - Lifetime CN2881118Y (en) | 2006-01-27 | 2006-01-27 | Convex-concave gear type rotor engine |
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| Country | Link |
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| CN (1) | CN2881118Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400820C (en) * | 2006-01-27 | 2008-07-09 | 赵耀芝 | Concavo-convex gear type rotor engine |
| CN104963764A (en) * | 2015-07-20 | 2015-10-07 | 宣贺 | Rotor engine |
-
2006
- 2006-01-27 CN CNU2006200252840U patent/CN2881118Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400820C (en) * | 2006-01-27 | 2008-07-09 | 赵耀芝 | Concavo-convex gear type rotor engine |
| CN104963764A (en) * | 2015-07-20 | 2015-10-07 | 宣贺 | Rotor engine |
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Effective date of abandoning: 20080709 |
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