CN1073667C

CN1073667C - Rotary engine

Info

Publication number: CN1073667C
Application number: CN96109057A
Authority: CN
Inventors: 张权伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-08-06
Filing date: 1996-08-06
Publication date: 2001-10-24
Anticipated expiration: 2016-08-06
Also published as: CN1172898A

Abstract

The present invention relates to a combustion-type rotary engine which is characterized in that an inner rotor is arranged in a casing, and the center of the inner rotor is connected with a main shaft. A cylinder is clamped in the inner rotor, and the axis of the cylinder is outside the main shaft and is in a plane perpendicular to the main shaft. A combustion chamber and an exhaust throat tube are arranged on the inner rotor at the top port of the cylinder, wherein a piston is arranged in the cylinder. The casing is provided with a gas inlet port, a gas outlet port and a triangular bulge which is provided with a spark plug or a fuel nozzle. The combustion-type rotary engine has the advantages of no need of a crankshaft-connecting rod mechanism, direct output of rotary power, high efficiency, high horsepower, light weight and good mechanical property. The present invention is an economical engine.

Description

Rotary engine

The present invention relates to a kind of motor, specifically a kind of combustion rotary engine.

Mostly present various practical internal-combustion engine, motor etc. are to adopt crankshaft ﹠ connecting that the straight line motion of piston is transformed into rotatablely moving of main shaft, so the efficient of this class motor is subjected to the restriction of mechanical mechanism and can't obtains breakthrough and significantly raising.Chinese patent application discloses a kind of non-crankshaft and non-connecting rod engine and compressor No. 92101252, its structure is formed by the main shaft of band closed curve groove with the finger of dialling that piston links together, dial and refer under piston promotes, along with the straight reciprocating motion of alignment of shafts line parallel, dial finger and in the curvilinear groove of main shaft, slide, produce the moment drive main spindle rotation that makes main axis rotation.Though crankshaft ﹠ connecting has been saved in this patent application, utilize the mechanical engagement motion of dialling finger and spindle curve groove but still belong to, realize that straight line motion is to the conversion that rotatablely moves.Therefore engine efficiency also can not obviously improve.Through exploring for many years, people have reached a kind of common recognition, promptly will make engine efficiency that a breakthrough raising is arranged, and have only a kind of motor that makes directly to produce the possibility that the rotary engine that rotatablely moves just has realization.Triangle piston formula rotary engine is a kind of generally acknowledged high efficience motor, but it is because of complex manufacturing technology, and is high to the material requirement, and makes manufacture cost high; Simultaneously poor because of the conformity of its Fabrication parameter, make this motor also have a segment distance apart from actual production and use.

Purpose of the present invention just provides a kind of rotary engine that can directly produce the main axis rotation motion, makes the actual use of high-efficiency engine become possibility.

The present invention is achieved in that is equipped with internal rotor in motor body, the center of internal rotor connects main shaft.In internal rotor, accompany cylinder, the axis of cylinder outside main shaft, and with the perpendicular plane of main shaft in.On cylinder internal rotor suitable for reading, have firing chamber and exhaust trunnion, piston is housed in the cylinder.Have suction port and relief opening on housing, and the triangle projection is arranged, boss is equipped with spark plug or fuel nozzle.Suction port can communicate with the firing chamber, and relief opening can communicate with the exhaust trunnion, and the two is opened on two aspects of housing.Be externally connected with high-pressure pump at suction port, high-pressure working gas is injected the firing chamber, plug ignition, gas blow-through promotes piston and presses to the cylinder bottom, promotes the internal rotor rotation by cylinder.When exhaust trunnion and relief opening were connected, cylinder air pressure suitable for reading was reduced to barometric pressure rapidly, and piston is pushed up, simultaneously instead made cylinder promote internal rotor as power to continue rotation.Discharge when waste gas, the firing chamber begins next working stroke when rotating to next suction port.Realized the direct rotation of motor internal rotor thus, made the direct outputting rotary power of main shaft.

Below in conjunction with accompanying drawing the present invention is further described.

Fig. 1 to Fig. 3 is the structural representation of the present invention under jet, outburst, three working stroke states of exhaust.

Fig. 4 is the structural representation of a plurality of cylinders of the present invention.

As shown in the figure, this motor has a wheel shape housing 1, and the end cap capping can be used in two ends.The housing end face is rounded substantially, interior dress internal rotor 2.Internal rotor 2 is cylindrical, and its center can be by the key main shaft 3 that is connected, in its edge and the housing 1 along almost joining, but to guarantee that the degree that internal rotor can rotate freely exceeds.Internal rotor 2 can be harmonious and be made by double-deck plectane, and the place, prefabricated space in its junction plane accompanies beyond the orientation of its axis main shaft of cylinder 4 cylinders, and with the perpendicular plane of main shaft in.Could guarantee that like this cylinder has the opplied moment of pair main shaft, also can not produce simultaneously to the component of internal rotor both sides and avoided consequent vibration.Be positioned at also prefabricated combuster 10 and exhaust trunnion 13 on the cylinder internal rotor suitable for reading, open on the internal rotor edge firing chamber 10, but with exhaust trunnion 13 at the opening on the internal rotor edge on different aspects, so that the well-separated and unlikely confusion reigned of intake and exhaust.Piston 5 is housed, socket piston ring etc. still on the piston 5 in the cylinder 4.The structure of cylinder, piston and piston ring and matching relationship all with available engine on basic identical.On housing 1, have suction port 9 and relief opening 8, and have triangle projection 11, boss that spark plug or fuel nozzle 6 are housed.Corresponding to the different openings aspect of exhaust trunnion and firing chamber on the internal rotor, also open on two different aspects of housing the suction port on the housing, air outlet, and have suction port corresponding with the firing chamber, relief opening and the corresponding aspect of exhaust trunnion position relation.The inner face of triangle projection also with suction port on same aspect.

Because the piston in this motor in the cylinder is a free-piston, for the effect that makes cylinder promote internal rotor strengthens, in cylinder 4, between piston 5 and cylinder bottom spring should be set, promptly in the outburst stroke under the piston towards the time pressure spring, and by spring action in cylinder bottom, promote internal rotor and rotate.The spring of putting can be a metal spring, but is the anti-tired ring that decreases, pneumatic spring preferably, and promptly the cylinder bottom at cylinder 4 is provided with opening, is connected with the trunnion of leaving on the internal rotor 2 14.On housing 1, have the opening 12 that can communicate with trunnion 14.Trunnion 14 and opening 12 and do not intersect with the aspect of inlet and outlet mouth on the same aspect of internal rotor and housing.Opening 12 on the housing also is communicated with on high-pressure pump, when high-pressure working gas injects the firing chamber, has also entered in the cylinder by opening 12 and trunnion 14 simultaneously, forms pneumatic spring.This pneumatic spring has also played the effect of balance firing chamber air pressure simultaneously.

For make in the motor toxic emission as far as possible thoroughly, also should be along leaving exhaust trench 7 in the housing of the same aspect of relief opening 8, this groove is communicated with relief opening 8.The period of exhaust that can extend like this makes toxic emission thorough.

She Ji rotary engine in a manner described, the position relation of inlet and outlet mouth, triangle projection and opening is, press the internal rotor sense of rotation, the rear portion of triangle projection 11 next-door neighbour has opening 12, exhaust trench 7 and relief opening 8 for suction port 9 in the front portion of triangle projection 11 on housing 1.Relief opening 8 can be in any position of exhaust trench 7.The housing opening 12 that forms pneumatic spring before suction port is intercepted by internal rotor trunnion 14 on the right housing.

Be the working procedure that example illustrates this rotary engine below with the single cylinder.Certainly in fact two or more cylinders must be arranged on the internal rotor of motor.

This motor is because gas compression processes is to finish in the air pump outside motor, so only carry out jet, outburst and three working strokes of exhaust in the motor.Among Fig. 1 the jet stroke state figure of motor.Relief opening 8 just has been cut off among the figure, and suction port 9 communicates with firing chamber 10, and opening 12 communicates with trunnion 14, and piston is positioned at cylinder upper.This moment, high-pressure pump sprayed into the firing chamber with pressurized gas, and the centre can add mixed gass such as gasoline after the vaporizer atomizing or alcohol.Meanwhile, pressurized gas also enter in the cylinder by opening 12 and trunnion 14, have formed the pneumatic spring of mouth pressure on the balance cylinder, to withstand piston 5.When internal rotor 2 continued rotation clockwise, suction port 9 and opening 12 were all closed naturally, and firing chamber 10 is sealing state, and as shown in Figure 2, motor enters the outburst stroke.Spark plug or fuel nozzle 6 sent electrical spark and lighted mixed gas or spray into fuel oil gaseous detonation is expanded this moment, promoted piston 5 and moved to cylinder 4 bottoms.The pneumatic spring pressurized, reduced volume increases pressure on the one hand, promotes cylinder and internal rotor on the other hand, output kinetic energy.When piston is reduced to nadir, when mouth pressure equates on the pressure of pneumatic spring and the cylinder lower dead center of corresponding common engine (this moment), initiatively acting finishes, and enters exhaust stroke, as shown in Figure 3.This moment, exhaust trunnion 13 communicated with exhaust trench 7 under the rotation situation of internal rotor 2, and waste gas after burning enters atmosphere through relief opening 8 thus.Cylinder air pressure suitable for reading descends rapidly, and pneumatic spring acts on piston 5, promotes its rising.In this process, the reaction force of piston also continues to promote cylinder bottom and internal rotor through pneumatic spring, continues work done.When the waste gas emptying, exhaust trunnion 13 is promptly ended naturally, and exhaust stroke finishes, and suction port communicates with the firing chamber again, and pressurized gas enter, and restart next working stroke.So circulation is gone down, and motor is sustainable outputting power.

In this motor, for the effect that makes expansion of compressed gas in the outburst stroke promote cylinder is strengthened, specially go out triangle projection 11, make its inner face become supporting point.Simultaneously, also inner face that should projection can be made ladder surface, to adapt to booster action to the rotation internal rotor.Because suction port 9 next-door neighbour's triangle projectioies 11, internal rotor just enters the outburst stroke behind the sealing suction port, and at this moment internal rotor is covered the inner face of a part of triangle projection, and the point action of this inner face is reduced.For this reason can be in the firing chamber internal rotor edge in 10 left sides make a ligulate platform 15, promptly ligulate platform 15 still is former internal rotor edge, and with suction port 9 corresponding to same aspect, other aspects are partly pruned, and align with firing chamber left side wall transition.Like this, after sealing suction port by ligulate platform 15, the gas during outburst can act on the inner face of triangle projection by the slit of ligulate platform both sides, still can bring into play the supporting role of this projection inner face.

Also can not design ligulate platform structure, realize and the switching of suction port 9 and opening 12 changed by the control mechanism of additional valve externally by the positioning control of internal rotor.The action of valve can also can adopt micro computer to control automatically by mechanical mechanism controls.

For alleviating the weight of internal rotor,, can open a little centrosymmetric circular holes at the position, space of internal rotor to improve engine efficiency.The type of cooling of motor can adopt the air-cooled or water-cooling pattern of housing heat radiation, promptly casts out radiating fin on housing, improves cooling effect.

From Fig. 1 to Fig. 3 as seen, at every a group of triangle projection, suction port, relief opening and the exhaust trench etc. of being provided with of housing 1 periphery, cylinder is just to there being a complete working stroke.Generally can evenly distribute on the housing periphery 2-4 triangle projection and suction port, relief opening and exhaust trench all are equipped with a spark plug or fuel nozzle on each triangle projection, cylinder can be 2-4 time merit after rotating a circle.What provide among the figure is 120 ° of uniform three groups the structures of being separated by on housing, and rotation once can be done merit three times.

If increase the number of cylinder in internal rotor, the number of times that then does work weekly will be multiplied.Generally can be in internal rotor 2 an even distribution 2-4 cylinder 4, what Fig. 4 provided is the structure example of uniform 3 cylinders on internal rotor, then three cylinders move and can do work in a week 9 times, output power and rotating speed can increase substantially.

This motor utilizes the configuration of cylinder and internal rotor, has realized direct outputting rotary power, has saved the conversion of crankshaft ﹠ connecting, and efficient is able to obvious raising.Free-piston in the cylinder and pneumatic spring structure make and not only initiatively acting in the outburst stroke of motor utilize also acting simultaneously of reaction force in exhaust stroke that like this, output power can significantly improve.Owing to adopted the pneumatic spring structure of equilibrium air pressure, igniting or oil spout become the Best Times section by optimum time point, thereby difficult anti-electrical phenomena or the engine overheat phenomenon of forming, working application time is longer in this engine operation unit, the time of stopping between acting between the unit is short, thereby can do work than stable and continuous, reduce jitter phenomenon.By the air pressure of adjustment high-pressure pump, and conversion is lighted a fire, vaporization, and oil pump systems can be realized gasoline, and a machine of diesel oil etc. burns more.The component material of this motor does not have specific (special) requirements, and because of simple in structure, fabricating cost is lower.Under the further perfect situation of structural design, can extensively popularize use.This engine structure is simple, and is in light weight, and horsepower is big, and good mechanical property is a kind of economical motor.

Claims

1, a kind of rotary engine, internal rotor (2) is housed in housing (1), the center of internal rotor connects main shaft (3), in internal rotor, accompany cylinder (4), the axis of cylinder outside main shaft and with the perpendicular plane of main shaft in, piston (5) is housed in the cylinder, on housing (1), have suction port (9) and relief opening (8), suction port and relief opening are opened on two aspects of housing, it is characterized in that:

A, on cylinder internal rotor suitable for reading (2), have firing chamber (10) and exhaust trunnion (13), cylinder bottom at cylinder (4) has opening, be connected with the trunnion of leaving on the internal rotor (2) (14), on housing (1), have the opening (12) that can communicate and change into trunnion (14);

B, triangular hill (11) is arranged on housing (1), boss is equipped with spark plug or fuel nozzle (6), also have exhaust trench (7) on the interior edge of housing (1), this groove is communicated with relief opening (8), the rear portion next-door neighbour who goes up triangle projection (11) at housing (1) is a suction port (9), and opening (12), exhaust trench (7) and relief opening (8) are arranged in the front portion of triangle projection.

2, rotary engine according to claim 1 is characterized in that the structure that internal rotor (2) is harmonious for double-deck plectane, and the prefabricated space of placing cylinder is arranged in its junction plane.

3, rotary engine according to claim 1 is characterized in that being evenly distributed with 2-4 triangle projection and suction port, opening, relief opening and exhaust trench on the periphery of housing (1), a spark plug or fuel nozzle all are housed on each triangle projection.

4, rotary engine according to claim 3 is characterized in that being evenly distributed with 2-4 cylinder (4) in internal rotor (2).