CN201802483U - Rotor engine casing and rotor engine - Google Patents
Rotor engine casing and rotor engine Download PDFInfo
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- CN201802483U CN201802483U CN2010205536722U CN201020553672U CN201802483U CN 201802483 U CN201802483 U CN 201802483U CN 2010205536722 U CN2010205536722 U CN 2010205536722U CN 201020553672 U CN201020553672 U CN 201020553672U CN 201802483 U CN201802483 U CN 201802483U
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Abstract
The utility model discloses a rotor engine casing and a rotor engine. The rotor engine casing comprises a cylinder and a crankcase, wherein one end of the cylinder is closed, and the crankcase is fixed with the other end of the cylinder. A space encircled by the inner wall of the cylinder is a cylinder barrel, the casing is provided with an air inlet channel and an air exhaust channel which are communicated with the cylinder barrel of the casing, the air exhaust channel is arranged on the side wall of the cylinder and penetrates through the side wall of the cylinder, a preset distance is formed between an inner opening of the air exhaust channel and the closed end of the cylinder, the air inlet channel comprises an air inlet hole disposed on the inner side wall of the cylinder and an air inlet groove disposed in the side wall of the crankcase, and furthermore, the air inlet channel is communicated with the space in the cylinder barrel of the cylinder and the space in the crankcase. The rotor engine with the casing can reduce adverse effect of centrifugal force, namely reduces limitation on rotation speed, and accordingly lays the foundation for further increasing energy efficiency and power and realizing high rotation speed.
Description
Technical field
The utility model relates to engine art, particularly relates to a kind of rotary piston engine housing and rotary engine.
Background technique
The motor of polytype and structure is disclosed at present.Wherein, the technology of reciprocating engine is the most ripe, is most widely used; Though rotary polygonal piston engine is used in market, the scope of using is also very limited.Swiss Patent document CH71501 discloses a kind of rotary engine, please refer to Fig. 1, and this figure is the structure principle chart of the disclosed rotary engine of Swiss Patent document CH71501.This rotary engine comprises stationary part (not shown) and rotor portion, and rotor portion comprises housing 10, bent axle 20 and two pistons, and housing 10 is rotatably installed on the stationary part, and the spin axis of housing 10 is O1.Form cylinder barrel 11 in the housing 10, be provided with exhaust valve in housing 10 outer ends; Corresponding with exhaust valve, distribution driving mechanisms such as corresponding tappet, rocking arm also are set.Bent axle 20 comprises main journal and crank pin, and described main journal is rotatably installed on the stationary part; External gear also is set on the main journal, and housing 10 is provided with the gear ring that is meshed with this external gear; The axes O 2 and the above-mentioned spin axis O1 keeping parallelism of main journal, and have intended distance between the two, housing 10 is rotated around different axis with bent axle 20.Piston comprises piston body 31 and connecting rod 32, and connecting rod 32 1 ends link to each other with piston body 31, and the other end links to each other with the crank pin of bent axle 20.
The working principle of above-mentioned rotary engine is: in aspirating stroke, with respect to housing 10, when piston body 31 is mobile from the top down (is reference with Fig. 1), intake valve is opened, and fresh air enters in the cylinder barrel 11 by intake valve; In the compression stroke, piston body 31 moves from bottom to top, and intake valve and exhaust valve closing are with air compression; In power stroke, the fuel combustion work done, driven plunger body 31 moves down, and piston body 31 drives axes O 2 rotations of bent axle 20 around its main journal by connecting rod 32 again; In exhaust stroke, piston body 31 moves from bottom to top, and exhaust valve is opened, and waste gas after burning is discharged by exhaust valve.When bent axle 20 rotates under connecting rod 32 drives, rotate around spin axis O1 with predetermined speed by the external gear and the gear ring drive shell 10 of end; The rotational speed of housing 10 is lower than the rotational speed of bent axle 20, and makes between the rotational speed of bent axle 20 rotational speeies and housing 10 and have predetermined ratio.Because working procedure middle shell 10 keeps rotation, this motor is called rotary engine.
This rotary engine need be provided with intake valve and exhaust valve, also causes its unsurmountable deficiency.For rotary engine, it is advantageous that to have higher output speed; In order to bring into play its advantage, in the course of the work, housing need keep high speed rotating; The housing high speed rotating can make the air in the cylinder barrel can be subjected to centrifugal action; When exhaust valve was opened, the air in the cylinder barrel will outwards throw away under centrifugal action, made to form certain degree of vacuum in the cylinder barrel, and the effective admission amount of cylinder barrel 11 is reduced.For these reasons, for the air inflow of remaining valid, just need the rotational speed of housing be limited; The restriction of housing rotational speed is just limited the output speed of rotary engine, can't bring into play the advantage of rotary engine.
Therefore, how to reduce the adverse effect of centrifugal force, with efficiency that improves rotary engine and the problem that power is current primary solution to rotary engine.
The model utility content
For solving the problems of the technologies described above, first purpose of the present utility model is, a kind of rotary piston engine housing is provided, and to reduce the adverse effect of centrifugal force to rotary engine, improves the efficiency and the power of rotary engine.
Providing on the basis of rotary piston engine housing, second purpose of the present utility model is, a kind of rotary engine is provided
In order to realize above-mentioned first purpose, the rotary piston engine housing that the utility model provides comprises the cylinder of end sealing and the crankcase that fixes with the described cylinder the other end, the space that described cylinder inner wall surrounds is a cylinder barrel, the inlet air pathway and the exhaust passageway of the cylinder barrel that is communicated with housing are set on the described housing
Described exhaust passageway is arranged on the described cylinder sidewall and runs through described cylinder sidewall, has predetermined distance between the closed end of its inner opening and described cylinder.
Preferably, described inlet air pathway comprises the inlet hole that is arranged on the described cylinder inside wall and is arranged on the interior air inlet duct of described crankcase side wall that described inlet air pathway is communicated with space and the interior space of crankcase in the described cylinder barrel.
Preferably, this rotary piston engine housing comprises two described cylinders, and two described cylinders all fix with a described crankcase, and is symmetrically distributed with respect to this crankcase.
Preferably, the axis of described exhaust passageway bearing of trend and described cylinder barrel is perpendicular.
Preferably, described housing has a plurality of described inlet air pathways.
Preferably, a plurality of described inlet air pathways are evenly distributed on around the axis of described cylinder barrel.
Preferably, has outward extending radiating fin on the described cylinder outer wall.
Preferably, described radiating fin is a platy structure, and its extended planar parallels with the axis of described cylinder barrel.
Preferably, has outward extending radiating fin on the described crankcase outer wall.
Preferably, the minimum range between the inner opening of described exhaust passageway and the described cylinder closed end is less than the inner opening of described inlet hole and the minimum range between the described cylinder closed end.
In order to realize above-mentioned second purpose, the rotary engine that the utility model provides comprises bent axle, piston and aforesaid housing;
Wherein: described housing is rotatably installed on the stationary part, and the main journal of described bent axle is rotatably installed on the stationary part, and described housing is with respect to the parallel axes of the main journal of the spin axis of stationary part and bent axle;
Described bent axle comprises main journal and crank pin; Described main journal and crankcase also are respectively arranged with external gear and gear ring, and described external gear is meshed with gear ring;
Described piston comprises piston body and connecting rod, and described connecting rod one end links to each other with crank pin, and the other end links to each other with piston body, and described piston body matches with described cylinder barrel.
Compared with prior art, in the housing of the rotary engine that the utility model provides, described exhaust passageway is positioned on the sidewall of cylinder, and has predetermined distance between the inner opening of described exhaust passageway and the described cylinder closed end, promptly between the firing chamber of the inner opening of exhaust passageway and cylinder, has predetermined distance, so when rotary engine is worked, even housing high speed rotating, at least a portion air in the cylinder barrel does not outwards flow out by exhaust passageway under the meeting centrifugal action, and then can guarantee that rotary engine has enough air inflows.Simultaneously, by the inlet hole that is arranged on the cylinder inside wall be arranged on the inlet air pathway that the air inlet duct in the cylinder sidewall forms cylinder barrel is connected with the space of crankcase, also can avoid under centrifugal action, increasing intake resistance, and can utilize cylinder wall that fresh air is carried out preheating.Therefore adopt the rotary engine of above-mentioned housing can reduce the adverse effect of centrifugal force to rotary engine, promptly reduced restriction to the rotary engine rotating speed, for further improving the efficiency and the power of rotary engine, the high-revolving advantage of performance rotary engine provides prerequisite.
In addition, because the minimum range between the top of the inner opening of exhaust passageway and cylinder barrel is less than the minimum range between the top of the inner opening of inlet hole and cylinder barrel, so the rotary engine that adopts above-mentioned housing at work, when piston moves down when entering exhaust phase, the firing chamber at first communicates with exhaust passageway, and High Temperature High Pressure gas can be discharged by exhaust passageway; And continue to move down at piston, when the firing chamber communicated with inlet hole, the high temperature and high pressure gas pressure in the firing chamber reduced.So not only can avoid the interior high temperature and high pressure gas of cylinder barrel to enter in the inlet air pathway, and then avoid high temperature and high pressure gas to light the interior inflammable gas of inlet air pathway, can also facilitate for inflammable gas enters the firing chamber by inlet hole.
In addition, in the housing of the rotary engine that the utility model provides, on the sidewall that the inlet hole and the exhaust passageway of inlet air pathway is arranged on cylinder, so just the distribution device that is positioned at the cylinder end can be transferred to the position of side, promptly can reduce the integral radius of motor body, thereby help reducing the volume of rotary engine, make things convenient for the installation and the application of rotary engine.
Description of drawings
Fig. 1 is the structure principle chart of the disclosed rotary engine of Swiss Patent document CH71501;
Fig. 2 is the structural representation of the rotary engine that provides of the utility model embodiment;
Fig. 3 is an A-A sectional view among Fig. 2;
Fig. 4 is in the rotary engine that provides of embodiment, the structural representation of rotor portion;
Fig. 5 is a B-B sectional view among Fig. 4;
Fig. 6 is among Fig. 5, the shaft side figure of cylinder;
Fig. 7 is among Fig. 5, the sectional structure schematic representation of bent axle;
Fig. 8 is among Fig. 5, the shaft side figure of Piston and rod assembly;
Fig. 9 is that the utility model embodiment provides in the rotary engine, the explosive view of rotor portion;
Figure 10 is that the utility model embodiment provides in the rotary engine, the plan view of gas distribution plate.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection domain of the present utility model.
For the convenience of describing, below when the overall structure to rotary engine is described, its rotary piston engine housing is described, no longer separately rotary piston engine housing is described.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of the rotary engine that provides of the utility model embodiment, and Fig. 3 is an A-A sectional view among Fig. 2.The rotary engine that embodiment provides comprises stationary part 100 and rotor portion 200, stationary part 100 and predetermined basic fixed, and rotor portion 200 can be with respect to stationary part 100 rotations.Below the structure of rotor portion 200 is described in detail.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is that the structural representation of rotor portion, Fig. 5 are B-B sectional views among Fig. 4 in the rotary engine that provides of the utility model embodiment.Rotor portion 200 comprises two cylinders 210, crankcase 220, bent axle 230 and two pistons 240, and wherein: two cylinders 210 are fixed on the crankcase 220, and are symmetrically distributed with respect to crankcase 220, have constituted the housing of rotary engine.
In conjunction with Fig. 5, and with reference to figure 6, Fig. 6 is the shaft side figure of cylinder among Fig. 5.The one end sealing of cylinder 220, the other end and crankcase 220 are fixing, and the space that cylinder 210 inwalls surround is a cylinder barrel.As shown in Figure 5, the sidewall of cylinder 210 is provided with exhaust passageway 211, exhaust passageway 211 runs through the sidewall of cylinder 210, and have predetermined distance h between the closed end at the top of its inner opening and cylinder barrel, the size of this intended distance h can be determined according to factors such as suction pressure, declared working condition and rated power; In optimized technical scheme, exhaust passageway 211 is a straight hole, and the axis of its bearing of trend and cylinder 210 cylinder barrels is perpendicular.Also be provided with inlet hole 212 on cylinder 210 sidewalls, an opening 212a of inlet hole 212 is positioned on the inner wall of cylinder face, and another opening 212b is positioned on the end face of cylinder 210.
In conjunction with Fig. 5, and with reference to figure 7, Fig. 7 is the sectional structure schematic representation of bent axle among Fig. 5.In this example, bent axle 230 is an assembled crankshaft, comprise two main journals 231 and a crank pin 232, crank pin 232 two ends are installed in respectively on two cranks 233 of main journal 231, the parallel axes of the axis of main journal 231 and crank pin 232, and have corresponding distance between the two axial lines, promptly crank pin 232 has certain throw of eccentric.In the optimized technical scheme,, also be provided with equilibrium block in crank 233 symmetrical sides for guaranteeing the dynamic balancing of bent axle 230.In addition, on a main journal 231, also be provided with external gear 234.
Refer again to Fig. 8, Fig. 8 is the shaft side figure of Piston and rod assembly among Fig. 5.Two pistons 240 include piston body 241 and connecting rod 242; In this example, piston body 241 is fixedly linked with connecting rod 242; And two connecting rods 242 of two pistons 240 also are fixed together, and like this, two pistons 240 just form the Piston and rod assembly of rotary engine.The end that the connecting rod 242 of two pistons 240 is fixedly linked fastens mutually, forms a mounting hole that matches with crank pin 232.
In conjunction with Fig. 3 and Fig. 5, and with reference to figure 9, Fig. 9 is that the utility model embodiment provides in the rotary engine, the explosive view of rotor portion.
By swivel assembly and 100 rotatable linking to each other of stationary part, its spin axis is O1 respectively in crankcase 220 both sides in the rotary piston engine housing.In this example, crankcase 220 comprises crankcase body 221 and Flywheel disc 222, and crankcase body 221 and Flywheel disc 222 are fixedly linked by demountable structure.In Flywheel disc 222, be provided with gear ring 224.
The piston body 241 of two pistons 240 matches with the cylinder barrel of two cylinders 210 respectively, forms the firing chamber between inner wall of cylinder and piston body 241 end faces; The mounting hole that Piston and rod assembly forms links to each other with the crank pin 232 of bent axle 230, and crank pin 232 can be rotated with respect to connecting rod 242 and Piston and rod assembly.Two main journals 231 of bent axle 230 respectively with 100 rotatable linking to each other of stationary part, the axis of main journal 231 is O2.Above-mentioned spin axis O1 and this axes O 2 are parallel and do not overlap, and have predetermined distance between the two.
Corresponding with the inlet hole 212 on cylinder 210 sidewalls, also be provided with air inlet duct 223 on the sidewall of crankcase 220, this air inlet duct 223 is corresponding with the opening 212b that is positioned on cylinder 210 end faces of inlet hole 212, the two forms inlet air pathway, and this inlet air pathway can be communicated with the space in interior space of cylinder 210 cylinder barrels and the crankcase 220.In the utility model embodiment, inlet air pathway is two, and promptly cylinder 210 is provided with two inlet holes 212, and crankcase 220 is provided with two air inlet ducts 223, and two inlet air pathways are evenly distributed on around the axis of cylinder 210 cylinder barrels.In addition, those of ordinary skills should be understood that it is the embodiment that the application provides that inlet air pathway is set to two, and in other embodiments, inlet air pathway can also be set to a plurality of, and the number of inlet air pathway should not constitute restriction of the present utility model.
The rotary engine that the utility model embodiment provides is identical with the driving principle of existing rotary engine, promptly by the fuel combustion work done, driven plunger 240 drives bent axle 230 rotations, makes between housing and the bent axle 230 with predetermined rotating ratio rotation by external gear between bent axle 230 and the housing 234 and gear ring 224.With the working principle of existing rotary engine inequality be: the rotary engine that the utility model embodiment provides is the motor of two stroke operation.During first stroke, finish air inlet and compression process, during second stroke, finish work done and exhaust process; This process can be identical with the working procedure of existing two stroke engine, gives unnecessary details in this difference.By relation and the port timing between exhaust passageway 211 inner openings and the inlet hole inner opening 212a suitably is set, also can rotary engine be set to four stroke engine, to adapt to actual demand.
In addition, exhaust passageway 211 is arranged in the sidewall of cylinder 210, can easily the distribution device that is positioned at cylinder 210 ends be transferred to the position of side; Can reduce rotor portion 200 radiuses like this, thereby help reducing the volume of rotary engine, make things convenient for the installation and the application of rotary engine.
In this example, in entire work process, spaces keep communicating in inlet air pathway and the crankcase 220, and the break-make between inlet air pathway and the firing chamber, piston body 241 top side is definite according to the position of piston body 241, promptly utilize piston body 241 the motion control inlet air pathway unlatching or close.As shown in Figure 5, when upper piston body 241 moves on the opening 212a of the inlet hole relative with it 212, keep between inlet air pathway and the firing chamber isolating, when upper piston body 241 moves under the inner opening 212a the topmost part of inlet hole 212, keep communicating between inlet air pathway and the firing chamber.Certainly, also can make the opening of inlet air pathway be positioned at cylinder 210 float chambers 220 outer surface correct positions; Inlet air pathway is not limited to be formed by inlet hole and air inlet duct, also can be other concrete structures, such as: the hole that is connected with space in the crankcase 220 can only be set in the sidewall of cylinder 210, or the like; Can also utilize the gas distribution controlling mechanism of existing common engine to control air inlet phase and period of intake.
In order to bring into play the high rotating speed advantage of rotary engine better, simplify the structure of distribution driving mechanism, control the exhaust phase place of rotary engine exactly, the utility model embodiment adopts another kind of gas distribution controlling mechanism.
Please refer to Figure 10, Figure 10 is that the utility model embodiment provides in the rotary engine, the plan view of gas distribution plate 110.Gas distribution plate 110 is a loop configuration, and card is provided with air distribution hole 111 predetermined angle, arc.As shown in Figure 3, gas distribution plate 110 is installed on the stationary part 100, and gas distribution plate 110 center lines overlap with the spin axis O1 of rotor portion 200.The outer opening of exhaust passageway 211 is corresponding with air distribution hole 111, promptly rotor portion 200 with respect to stationary part 100 rotary courses in, the outer opening of the exhaust passageway 211 on the cylinder 210 can communicate with the air distribution hole 111 of arc on the gas distribution plate 110 in predetermined angle, and exhaust passageway 211 is communicated with the outlet pipe of rotary engine.In the course of the work, can exhaust passageway 211 be communicated with in the given time with outlet pipe, adjust the exhaust phase place of this rotary engine by the air distribution hole 111 and stationary part 100 relative positions of adjusting gas distribution plate 110.Certainly, since between the firing chamber of the inner opening of exhaust passageway 211 and piston body 241 top sides break-make also be subjected to the influence of piston body 241 positions; Therefore, the exhaust phase place of adjusting rotary engine wants the position of comprehensive gas distribution plate 110 air distribution holes 111 and the position of piston 241 to determine.
In addition, control and adjustment rotary engine exhaust phase place can also utilize other modes such as existing electronic control, mechanism controls to control and adjust or/and air inlet phase is not limited to said structure.Certainly, the bearing of trend of exhaust passageway 211 is not limited to the axis of cylinder 210 cylinder barrels perpendicular, also can with the parallel axes of cylinder 210 cylinder barrels, can also be according to the actual conditions setting, make it to extending at other predetermined directions, can also be set to the path of specified structure according to the actual conditions needs.
In this example, piston body 241 keeps relative fixed with connecting rod 242, keeps relative fixed to connect by suitable detachable mechanism, also can fix by modes such as riveted joint, welding, can also make the two integrally formed.When making piston body 241 keep relative fixed with connecting rod 242, piston body 241 and connecting rod 242 do not need to be undertaken by hinging shaft and hinged seat hinged, so not only can reduce the number of spare parts of rotor portion 200, make things convenient for the assembling and the debugging of rotor portion 200; The more important thing is: compare with the piston in the existing reciprocating engine, owing to do not need swivel pin and hinged seat between connecting rod 242 and the piston body 241, piston body 241 problem on deformation that can avoid swivel pin and hinged seat to expand and produce, and then piston body 241 can be made the structure of lateral cross section for circle, described lateral cross section is and the vertical cross section of piston body 241 reciprocating directions.Can also make things convenient for the processing of piston body 241 like this, have and utilize the machining accuracy that guarantees piston body 241, guarantee the matching relationship between piston body 241 and the cylinder barrel.
In this example, make connecting rod 242 relative fixed of two pistons 240.The benefit of this structure is, can further simplify the structure of rotary engine, improves the functional reliability of piston 240, the vibration that reduces to produce in the working procedure, and can make things convenient for the installation and debugging of rotary engine.
In order to bring into play the high-revolving advantage of rotary engine better, can also change the output speed of bent axle 230 by adjusting the velocity ratio between housing and the bent axle 230.In this example, the velocity ratio between housing and the bent axle 230 is 1: 2 o'clock, and promptly housing revolves and turns around, bent axle 230 rotation 2 circles, and simultaneously, the throw of eccentric that makes crank pin 232 is 1/4 to 1/2 of the stroke of piston 240 in cylinder barrel that link to each other with this crank pin; Distance between described stroke top dead center that is piston 240 in predetermined cylinder barrel and the lower dead center.Can also be according to actual conditions, make between housing and the bent axle 230 with velocity ratio between the gear ring 224 and have suitable rotating ratio by changing external gear 234, and make the throw of eccentric of crank pin 232 and the piston 240 that links to each other with crank pin 232 concerns with respect to having proper proportion between cylinder 210 strokes; By limited number of time experiment or analog computation, can obtain suitable velocity ratio and throw of eccentric; Wherein, the velocity ratio between housing and the bent axle 240 is big more, and throw of eccentric is big more, the throw of eccentric of preferred crank pin be corresponding piston 240 in cylinder barrel stroke 1/4 to 1/2.
Among the utility model embodiment, minimum range between the top seal end of the inner opening of exhaust passageway 211 and cylinder barrel is less than the minimum range between the top seal end of the inner opening of inlet air pathway and cylinder barrel, promptly with respect to the inner opening of inlet air pathway, the position of the inner opening of exhaust passageway 211 more is close to the top dead center of piston body 241.Move down at piston 240, when exhaust phase began, the firing chamber at first communicated with exhaust passageway 211, and High Temperature High Pressure gas is discharged by exhaust passageway 211; Continue to move down at piston 240, when the firing chamber communicated with inlet air pathway, high temperature and high pressure gas pressure reduced.Can avoid so not only that high temperature and high pressure gas enters in the inlet air pathway by inlet air pathway in the firing chamber, and then can avoid lighting the inflammable gas in the inlet air pathway, can also facilitate for inflammable gas enters the firing chamber.
Simultaneously, because the gas distribution plate 110 that adopts, can be by the state of gas distribution plate 110 control exhaust passageways 211.Like this, after work done was finished, piston body 241 moved to lower dead center from top dead center, and (is reference with Fig. 5 middle and upper part piston) in the moment that the moment that exhaust is begun begins early than air inlet, carries out exhaust when promptly moving down with respect to cylinder 210.Adhere to piston body 241 and continue to move down, inlet air pathway and exhaust passageway all communicate with the firing chamber of piston body 241 top sides, and can realize gas exchange process this moment; In the gas exchange process, piston body 241 reversing motions.After gas exchange process continues the scheduled time, can disconnect exhaust passageway 211 by gas distribution plate 110 and be communicated with outlet pipe, exhaust passageway 211 is disconnected, air inlet is proceeded, and ventilation finishes.Piston body 241 is to the top dead center motion, and after piston body 241 was with inlet air pathway and combustion chamber isolated, air inlet finished.Like this, guaranteeing to drain under the prerequisite of burning indoor exhaust air, in an operation cycle, just can make the finish time of the finish time of gas outflow in the cylinder barrel early than the gas inflow, even the exhaust concluding time of this cylinder 210, reduces the amount that fresh air flows out early than the air inlet concluding time, increase the fresh air amount of charging into, improve the effective admission amount of rotary engine, provide prerequisite for improving rotating speed and power.
In addition,, also be provided with supercharging device in the rotary engine that the utility model provides, to increase the suction pressure of gas-entered passageway for air inflow and the power that further improves rotary engine; This supercharging device is arranged in the gas-entered passageway of rotary engine, and gas-entered passageway communicates with space in the crankcase 220.Can improve the air inflow of rotary engine like this, improve the power of this motor.Gas-entered passageway can be arranged in the stationary part 100, and can between stationary part 100 and crankcase 220 rotating sealing device be set, and communicates with the smooth and easy of space in the crankcase 220 to guarantee gas-entered passageway.
Through the combination of above-mentioned technological means, the output speed of the rotary engine that the utility model embodiment provides can significantly improve, and its bent axle 230 rotating speeds can reach 15000 rev/mins.In addition, in order to make full use of rotatablely moving of rotary engine rotor portion 200, among the utility model embodiment, be provided with outward extending radiating fin in described housing outer wall; Like this, when the housing of rotor portion 200 rotates with respect to stationary part 100, will make air mobile,, improve the radiating effect of housing for the heat exchange between air and the housing facilitates with respect to air movement with respect to radiating fin.Air-cooledly compare with existing with water-cooling pattern, the rotary engine that the utility model embodiment provides only is provided with corresponding radiating fin just can realize the purpose of dispelling the heat, not only can simplify the structure of rotary engine greatly, can also reduce the operating cost of rotary engine, improve operational reliability.
Further, in order to increase the area of contact between housing and the air, increase the rigidity of cylinder, improve the load capacity of cylinder interior minute surface, can also make described radiating fin is platy structure, and the extended planar of the radiating fin in the cylinder outside and the parallel axes of described cylinder barrel, promptly when rotary engine turns round, make air better by the space between the radiating fin, reduce the rotational resistance of rotor portion.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications; such as, can make rotary engine comprise more a plurality of (to) cylinder 210 and a plurality of (to) piston 240, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (11)
1. rotary piston engine housing, comprise the cylinder of end sealing and the crankcase that fixes with the described cylinder the other end, the space that described cylinder inner wall surrounds is a cylinder barrel, and the inlet air pathway and the exhaust passageway of the cylinder barrel that is communicated with housing is set on the described housing, it is characterized in that
Described exhaust passageway is arranged on the described cylinder sidewall and runs through described cylinder sidewall, has predetermined distance between the closed end of its inner opening and described cylinder.
2. rotary piston engine housing according to claim 1, it is characterized in that, described inlet air pathway comprises the inlet hole that is arranged on the described cylinder inside wall and is arranged on the interior air inlet duct of described crankcase side wall that described inlet air pathway is communicated with space and the interior space of crankcase in the described cylinder barrel.
3. rotary piston engine housing according to claim 2 is characterized in that, comprises two described cylinders, and two described cylinders all fix with a described crankcase, and is symmetrically distributed with respect to this crankcase.
4. rotary piston engine housing according to claim 3 is characterized in that the axis of described exhaust passageway bearing of trend and described cylinder barrel is perpendicular.
5. rotary piston engine housing according to claim 3 is characterized in that, described housing has a plurality of described inlet air pathways.
6. rotary piston engine housing according to claim 4 is characterized in that, a plurality of described inlet air pathways are evenly distributed on around the axis of described cylinder barrel.
7. rotary piston engine housing according to claim 3 is characterized in that, has outward extending radiating fin on the described cylinder outer wall.
8. rotary piston engine housing according to claim 7 is characterized in that, described radiating fin is a platy structure, and its extended planar parallels with the axis of described cylinder barrel.
9. rotary piston engine housing according to claim 8 is characterized in that, has outward extending radiating fin on the described crankcase outer wall.
10. according to each described rotary piston engine housing of claim 1-9, it is characterized in that the minimum range between the inner opening of described exhaust passageway and the described cylinder closed end is less than the inner opening of described inlet hole and the minimum range between the described cylinder closed end.
11. a rotary engine comprises stationary part and rotor portion, it is characterized in that, described rotor portion comprises each described housing of bent axle, piston and claim 1-10;
Wherein: described housing is rotatably installed on the stationary part, and the main journal of described bent axle is rotatably installed on the stationary part, and described housing is with respect to the parallel axes of the main journal of the spin axis of stationary part and bent axle;
Described bent axle comprises main journal and crank pin; Described main journal and crankcase also are respectively arranged with external gear and gear ring, and described external gear is meshed with gear ring;
Described piston comprises piston body and connecting rod, and described connecting rod one end links to each other with crank pin, and the other end links to each other with piston body, and described piston body matches with described cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205536722U CN201802483U (en) | 2010-10-09 | 2010-10-09 | Rotor engine casing and rotor engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205536722U CN201802483U (en) | 2010-10-09 | 2010-10-09 | Rotor engine casing and rotor engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201802483U true CN201802483U (en) | 2011-04-20 |
Family
ID=43871985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205536722U Expired - Lifetime CN201802483U (en) | 2010-10-09 | 2010-10-09 | Rotor engine casing and rotor engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201802483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269054A (en) * | 2010-10-09 | 2011-12-07 | 湖北新火炬科技股份有限公司 | Rotor engine shell and rotor engine |
| WO2015010443A1 (en) * | 2013-07-26 | 2015-01-29 | Bai Yunlong | Horizontal opposed piston, round gap crank, crank shaft and horizontal opposed cylinder block of new-type internal combustion engine |
-
2010
- 2010-10-09 CN CN2010205536722U patent/CN201802483U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269054A (en) * | 2010-10-09 | 2011-12-07 | 湖北新火炬科技股份有限公司 | Rotor engine shell and rotor engine |
| CN102269054B (en) * | 2010-10-09 | 2013-02-20 | 湖北新火炬科技股份有限公司 | Rotor engine shell and rotor engine |
| WO2015010443A1 (en) * | 2013-07-26 | 2015-01-29 | Bai Yunlong | Horizontal opposed piston, round gap crank, crank shaft and horizontal opposed cylinder block of new-type internal combustion engine |
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