Planetary gear type rotary polygonal piston engine
Technical field
the present invention relates to internal combustion engine technologies field, is a kind of planetary gear type rotary polygonal piston engine.
Background technique
the explosive motor that current automobile uses is all generally reciprocating piston type quartastroke engine, and it promotes piston to-and-fro motion and work done in cylinder by gas expansion, carries out work by the connecting rod crank rotary motion that just to-and-fro motion is converted to main shaft.Because intake valve port and exhaust valve port and air inlet, exhaust passage are comparatively narrow and small, cause air inlet and be vented obstructed, and in process to-and-fro motion being converted to rotary motion, consume part energy always, therefore cause the efficiency of existing multiple piston type four-stroke internal combustion engine lower, and crank reciprocating member makes, and the mechanism of motor is complicated, fuselage both bulk, speed range is narrower, and motor is very limited in raising speed.The book number that People's Transportation Press publishes in February, 2003 is that " automobile construction (first volume) " the 322nd page of ISBN7-114-04210-8 describes a kind of existing known triangular piston rotary engine, be called for short rotary engine, the inner wall surface of cylinder block is the special profile be made up of two arc epitrochoid, the eccentric main axis being positioned at cylinder die cavity is provided with three-apexed rotor, top, three angles and the cylinder profile close contact of three-apexed rotor, three active chambers are formed between three cambered surfaces and cylinder profile, during working rotor, working chamber volume changes, its Changing Pattern meets the requirement that quartastroke engine changes volume of cylinder just, during engine operation, inflammable gas is broken out by spark ignitor, pass to eccentric journal by three-apexed rotor and promote main shaft and rotate work done.Above-mentioned rotary engine is due to its air inlet and be vented comparatively unobstructed, therefore valve mechanism is not needed, reduce frictional loss and wash the energy that valve spring consumes open, and be vented consistent with the moving direction of expanding gas work done, piston can not reverse all the time, rotor often circles and is subject to repeatedly combustion gas thrust, the energy of expanding gas is fully used for promoting main shaft work done, and therefore comparatively reciprocating piston type quartastroke engine has the advantages such as structure is simple, vibration is slight, work doing efficiency is high, power is large.But existing triangular piston rotary engine, because its main shaft is eccentric crankshaft, causes the volume of motor larger, and because the compression of working chamber volume is smaller, make the combustion efficiency of combustion gas poor, cause being short of power of motor, be not therefore widely used.
Summary of the invention
the invention provides a kind of planetary gear type rotary polygonal piston engine, overcome the deficiency of above-mentioned prior art, its can effectively solve existing triangular piston rotary engine volume comparatively large, compress problem that is smaller, that be short of power, its reasonable and compact in structure, compression ratio be comparatively large, the manufacturing difficulty that also reduces engine spindle and assembling difficulty, the power performance being convenient to maintenance process simulation, improve motor.
technological scheme of the present invention is realized by following measures: a kind of planetary gear type rotary polygonal piston engine, comprises front cover, rear end cover, cylinder block, three-apexed rotor, central gear, trident main shaft assembly and planet disjunctor wheel, the front end of cylinder block is installed with front cover, the rear end of cylinder block is installed with rear end cover, there is elliptoid cylinder die cavity the inside of cylinder block, three-apexed rotor is arranged in cylinder die cavity, central gear is fixed on front cover rear portion, front cover there is bearing saddle bore and fore bearing is installed, rear end cover there is bearing saddle bore and rear bearing is installed, the front and rear of trident main shaft assembly is arranged on front cover and rear end cover respectively by fore bearing and rear bearing and also can rotates, the middle part of trident main shaft assembly is provided with three uniform planet disjunctor wheels, planet disjunctor wheel comprises planetary pinion and eccentric cam, planetary pinion rear end and eccentric cam front end are connected as a single entity, planetary pinion is meshed with central gear, three-apexed rotor is connected with eccentric cam and eccentric cam and trident main shaft assembly can be driven to rotate, the top, three angles of three-apexed rotor keeps close contact also and between corresponding cylinder type cavity wall to form active chamber with the inwall of cylinder die cavity, this active chamber can produce the change that meets the job requirement of quartastroke engine volume of cylinder and make three-apexed rotor drive trident main shaft assembly to rotate and output kinetic energy.
here is the further optimization and/or improvements to foregoing invention technological scheme:
above-mentioned trident main shaft assembly can comprise forward spindle, planet carrier, rear main shaft, star axle bed and planet wheel shaft, rear end outer circumference around forward spindle is uniform is fixed with three planet carriers, the outer end of each planet carrier is respectively equipped with planet axis hole, the front end of rear main shaft is fixed with star axle bed triangular in shape, three bights oriented front planet wheel shaft extended respectively of star axle bed; There is rotor front aperture the front end of three-apexed rotor, and there is stomidium after rotor the rear end of three-apexed rotor, and three bights of three-apexed rotor have cam bore respectively, are installed with rotor bearing respectively in each cam bore; The front portion of central gear is fixed on front cover, the rear portion of central gear is with the gear teeth and stretch in rotor front aperture, there is star-wheel axis hole at planetary center, eccentric cam is run through in the rear end of star-wheel axis hole, planet wheel shaft to be sleeved in star-wheel axis hole and to be arranged on planet carrier by planetary pinion, the front end of planet wheel shaft is arranged in the planet axis hole of planet carrier, and planetary pinion is meshed with central gear, and eccentric cam is sleeved in rotor bearing and also can rotates.
above-mentioned planet carrier can comprise carrier riser, left arc is won in succession, right arc is won in succession and star pedestal plate, the inner of carrier riser is fixed on forward spindle, outer-end front side the right and left of carrier riser is fixed with left arc respectively and wins in succession and right arc is won in succession, the front end that the rear side left end of star pedestal plate and left arc are won in succession is connected as a single entity, the front end that the rear side right-hand member of star pedestal plate and right arc are won in succession is connected as a single entity, planet axis hole is positioned in the middle part of star pedestal plate, planetary pinion is between left arc is won in succession and right arc is won in succession, planetary pinion rear end and eccentric cam front end are connected as a single entity by disjunctor portion, the carrier riser of corresponding disjunctor position is provided with U-shaped groove, disjunctor portion is sleeved in U-shaped groove, gap is formed between on rear side of planetary pinion front end and star pedestal plate, gap is formed between on front side of planetary pinion rear end and carrier riser.
the left upper portion of above-mentioned cylinder block can have the inlet hole be connected with cylinder die cavity, the left lower of cylinder block can have the exhaust port be connected with cylinder die cavity; Working surface on three-apexed rotor between top, every two angles is outwardly cambered surface, the middle part of each cambered surface can be provided with combustion recess respectively, forms the active chamber that can meet the job requirement of quartastroke engine volume of cylinder and change between each combustion recess and corresponding cylinder type cavity wall.
the top place, three angles of above-mentioned three-apexed rotor can be respectively equipped with the close groove of angle top gas, the three-apexed rotor front and back sides of corresponding position, top gas close groove front end and back end, each angle can be respectively equipped with anterior angle ejector pin groove and relief angle ejector pin groove, in the close groove of angle top gas, radial seal reed can be installed, apex seal, front gusset plate and rear gusset plate, radial seal reed is positioned at the bottom of the close groove of angle top gas, apex seal, front gusset plate and rear gusset plate are arranged on outside radial seal reed, on the front bevel end that front gusset plate and rear gusset plate are pressed on apex seal respectively and back bevel end, apex seal stretches out the close groove of angle top gas and is pressed on the inwall of cylinder die cavity, in anterior angle ejector pin groove and in relief angle ejector pin groove, pin spring and link block are installed, link block is arranged on the outside of corresponding pin spring and is pressed on the inwall of corresponding position cylinder die cavity, three-apexed rotor front-end face between every two anterior angle ejector pin grooves can be respectively equipped with front airtight groove, three-apexed rotor ear end face between every two relief angle ejector pin grooves can be respectively equipped with rear airtight groove, be separately installed with end face spring and end plane sealing strip in each front airtight groove and each rear airtight groove, end plane sealing strip is positioned at the outside of corresponding end diaphragm flexures and is pressed on the inwall of corresponding position cylinder die cavity, the end face of three-apexed rotor can be provided with the air equalizer opening laterally running through three-apexed rotor.
the inside of above-mentioned forward spindle and rear main shaft has axial oilhole respectively, outside forward spindle, the position of corresponding fore bearing is provided with front radial direction oil hole, outside rear main shaft, the position of corresponding rear bearing has rear radial direction oil hole respectively, the inner of front radial direction oil hole and rear radial direction oil hole is connected with axial oilhole respectively, the inner chamber of three-apexed rotor is provided with floor, the inner chamber of three-apexed rotor is divided into the cooling chamber that can cool three-apexed rotor inwall by floor, the inwall of each cam bore is distributed with nozzle opening respectively, the axial oilhole of forward spindle and rear main shaft is communicated with cooling chamber by nozzle opening, the three-apexed rotor front-end face at surrounding rotor front aperture outer rim place is provided with front oil ring groove, after surrounding rotor, the three-apexed rotor ear end face at stomidium outer rim place is provided with rear oil ring groove, front oil ring groove with the wavy spring ring corresponding with its shape and oil ring are installed in rear oil ring groove, oil ring is positioned at the outside of corresponding wavy spring ring and is pressed on the inwall of corresponding position cylinder die cavity, the front end of forward spindle is provided with driving pulley and is connected with the driving pulley of fan by belt, and the rear end of rear main shaft is provided with flywheel, the inside of front cover, rear end cover and cylinder block has respectively can carry out by circulating water the cooling water channel that dispels the heat.
the right part of above-mentioned cylinder block can be provided with spark plug, the arcing of spark plug is rectified the inside of cylinder die cavity and the combination gas in the pit of energy arcing ignition combustion room, the terminal of spark plug are electrically connected by the positive pole of wire and extraneous power supply, and cylinder block is linked together by the negative electricity of wire and extraneous power supply.
each cambered surface of above-mentioned three-apexed rotor can be separately installed with spark plug, the arcing end of spark plug is positioned at combustion recess and the combination gas of energy arcing ignition combustion room pit, the terminal of spark plug are electrically connected by the positive pole of wire, carbon brush and spark coil and extraneous power supply, and cylinder block is linked together by the negative electricity of wire and extraneous power supply.
reasonable and compact in structure of the present invention, easy to use, it drives three-apexed rotor to rotate by inflammable gas expansion working, three-apexed rotor drives trident main shaft assembly to rotate and outputting power by planet disjunctor wheel, compared with the eccentric main axis of existing known rotary polygonal piston engine, not only increases the combustion gas compression ratio of cylinder, also reduce motor volume, improve the force-bearing situation of original eccentric three-apexed rotor, reduce energy loss, finally improve engine power performance; There is the feature that horsepower is large, fuel consumption is low, volume is little, speed range is wide compared with isometric stroke piston combustion engine.
Accompanying drawing explanation
accompanying drawing 1 is the embodiment of the present invention one, the master of embodiment two looks sectional structure schematic diagram.
accompanying drawing 2 is the sectional structure schematic diagram at the embodiment of the present invention one A-A place in fig. 1.
accompanying drawing 3 is the sectional structure schematic diagram at the embodiment of the present invention two A-A place in fig. 1.
accompanying drawing 4 to accompanying drawing 8 is four-journey fundamental diagram of the present invention, and accompanying drawing 4 to accompanying drawing 5 is intake stroke, accompanying drawing 6 is compression stroke, accompanying drawing 7 is expansion space stroke, accompanying drawing 8 is exhaust stroke, and wherein the little figure in lower right of each figure of accompanying drawing 4 to accompanying drawing 8 is the working state of corresponding quartastroke engine cylinder.
accompanying drawing 9 is that the master of forward spindle in accompanying drawing 1 looks broken section structural representation.
accompanying drawing 10 is the left TV structure schematic diagram of accompanying drawing 9.
accompanying drawing 11 is that the master of rear main shaft in accompanying drawing 1 looks broken section structural representation.
accompanying drawing 12 is the left TV structure schematic diagram of accompanying drawing 11.
accompanying drawing 13 is that the master of three-apexed rotor in accompanying drawing 2 is depending on partly cuing open structural representation.
accompanying drawing 14 is that sectional structure schematic diagram is looked on a left side for accompanying drawing 13.
accompanying drawing 15 is the three-dimensional structure for amplifying schematic diagram of radial seal reed, apex seal, front gusset plate, rear gusset plate, pin spring and link block.
accompanying drawing 16 is the three-dimensional structure for amplifying schematic diagram of end face spring and end plane sealing strip.
coding in accompanying drawing is respectively: 1 is front cover, 2 is rear end cover, 3 is cylinder block, 4 is three-apexed rotor, gear centered by 5, 6 is fore bearing, 7 is rear bearing, 8 is planetary pinion, 9 is eccentric cam, 10 is active chamber, 11 is forward spindle, 12 is disjunctor portion, 13 is rear main shaft, 14 is star axle bed, 15 is planet wheel shaft, 16 is planet axis hole, 17 is rotor front aperture, 18 is stomidium after rotor, 19 is cam bore, 20 is rotor bearing, 21 is star-wheel axis hole, 22 is carrier riser, 23 win in succession for left arc, 24 win in succession for right arc, 25 is star pedestal plate, 26 is U-shaped groove, 27 is inlet hole, 28 is exhaust port, 29 is combustion recess, 30 is the close groove of angle top gas, 31 is anterior angle ejector pin groove, 32 is relief angle ejector pin groove, 33 is radial seal reed, 34 is apex seal, 35 is front gusset plate, 36 is rear gusset plate, 37 is pin spring, 38 is link block, 39 is front airtight groove, 40 is rear airtight groove, 41 is end face spring, 42 is end plane sealing strip, 43 is air equalizer opening, 44 is axial oilhole, 45 is floor, 46 is cooling chamber, 47 is nozzle opening, 48 is front oil ring groove, 49 is rear oil ring groove, 50 is driving pulley, 51 is fan, 52 is flywheel, 53 is cooling water channel, 54 is spark plug.
Embodiment
the present invention by the restriction of following embodiment, can not determine concrete mode of execution according to technological scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 2, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description 2.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in accompanying drawing 1,2, this planetary gear type rotary polygonal piston engine comprises front cover 1, rear end cover 2, cylinder block 3, three-apexed rotor 4, central gear 5, trident main shaft assembly and planet disjunctor wheel, the front end of cylinder block 3 is installed with front cover 1, the rear end of cylinder block 3 is installed with rear end cover 2, there is elliptoid cylinder die cavity the inside of cylinder block 3, three-apexed rotor 4 is arranged in cylinder die cavity, central gear 5 is fixed on front cover 1 rear portion, front cover 1 there is bearing saddle bore and fore bearing 6 is installed, rear end cover 2 there is bearing saddle bore and rear bearing 7 is installed, the front and rear of trident main shaft assembly is arranged on front cover 1 and rear end cover 2 respectively by fore bearing 6 and rear bearing 7 and also can rotates, the middle part of trident main shaft assembly is provided with three uniform planet disjunctor wheels, planet disjunctor wheel comprises planetary pinion 8 and eccentric cam 9, planetary pinion 8 rear end and eccentric cam 9 front end are connected as a single entity, planetary pinion 8 is meshed with central gear 5, three-apexed rotor 4 is connected with eccentric cam 9 and eccentric cam 9 and trident main shaft assembly can be driven to rotate, the top, three angles of three-apexed rotor 4 keeps close contact also and between corresponding cylinder type cavity wall to form active chamber 10 with the inwall of cylinder die cavity, this active chamber 10 can produce the change that meets the job requirement of quartastroke engine volume of cylinder and make three-apexed rotor 4 drive trident main shaft assembly to rotate and output kinetic energy.By bolt by front cover 1, rear end cover 2 and cylinder block 3 are fixed together, when the engine runs, inflammable gas acting in active chamber 10 promotes three-apexed rotor 4 and rotates, the eccentric cam 9 that three-apexed rotor 4 drives planet disjunctor to take turns rotates, the planetary pinion 8 that planet disjunctor is taken turns does planetary motion around fixing central gear 5, namely planetary pinion 8 is not only around the gyration center rotation of himself, simultaneously again around the revolution of the center of fixing central gear 5, thus drive trident main shaft assembly to rotate, by changing the throw of eccentric between the center of planetary pinion 8 and eccentric cam 9 center, the cylinder die cavity of suitable different ovality can be joined, thus under the prerequisite of motor constancy of volume, make the motor of different compression ratio, adapt to different work requirements, compared with the eccentric main axis of existing known rotary polygonal piston engine, not only increase the combustion gas compression ratio of cylinder, reduce motor volume, improve the force-bearing situation of original eccentric three-apexed rotor, avoid unnecessary energy loss, also reduce manufacturing difficulty and the assembling difficulty of motor, and maintenance process simulation is carried out to it be also more convenient for.Active chamber 10 is formed between three-apexed rotor 4 and cylinder type cavity wall, when three-apexed rotor 4 rotates, the volume of active chamber 10 changes, its Changing Pattern meets the requirement that quartastroke engine changes volume of cylinder just, and during engine operation, the pressure of explosion promotion three-apexed rotor 4 of inflammable gas drives trident main shaft assembly to rotate and work done.
according to actual needs, above-mentioned planetary gear type rotary polygonal piston engine can be made further optimization and/or improvements:
as shown in accompanying drawing 1,9,10,11,12,13,14, trident main shaft assembly comprises forward spindle 11, planet carrier, rear main shaft 13, star axle bed 14 and planet wheel shaft 15, rear end outer circumference around forward spindle 11 is uniform is fixed with three planet carriers, the outer end of each planet carrier is respectively equipped with planet axis hole 16, the front end of rear main shaft 13 is fixed with star axle bed 14 triangular in shape, three bights oriented front planet wheel shaft 15 extended respectively of star axle bed 14; There is rotor front aperture 17 front end of three-apexed rotor 4, and there is stomidium 18 after rotor the rear end of three-apexed rotor 4, and three bights of three-apexed rotor 4 have cam bore 19 respectively, are installed with rotor bearing 20 respectively in each cam bore 19; The front portion of central gear 5 is fixed on front cover 1, the rear portion of central gear 5 is with the gear teeth and stretch in rotor front aperture 17, there is star-wheel axis hole 21 at the center of planetary pinion 8, eccentric cam 9 is run through in the rear end of star-wheel axis hole 21, planet wheel shaft 15 to be sleeved in star-wheel axis hole 21 and to be arranged on planet carrier by planetary pinion 8, the front end of planet wheel shaft 15 is arranged in the planet axis hole 16 of planet carrier, and planetary pinion 8 is meshed with central gear 5, and eccentric cam 9 is sleeved in rotor bearing 20 and also can rotates.When planetary pinion 8 is one to two with the gear ratio of central gear 5, the revolution rotating speed of planetary pinion 8 and the rotating ratio of planetary pinion 8 rotation are two-to-one, trident main shaft assembly is one to one with the rotating ratio of three-apexed rotor 4, thus the torque of trident main shaft assembly output can be improved, namely improve the power performance of motor.
as accompanying drawing 1, 9, 10, 11, shown in 12, planet carrier comprises carrier riser 22, left arc wins 23 in succession, right arc is won in succession 24 and star pedestal plate 25, the inner of carrier riser 22 is fixed on forward spindle 11, outer-end front side the right and left of carrier riser 22 be fixed with respectively left arc win in succession 23 and right arc win 24 in succession, the rear side left end of star pedestal plate 25 and left arc win in succession 23 front end be connected as a single entity, the rear side right-hand member of star pedestal plate 25 and right arc win in succession 24 front end be connected as a single entity, planet axis hole 16 is positioned in the middle part of star pedestal plate 25, planetary pinion 8 left arc win in succession 23 and right arc win in succession between 24, planetary pinion 8 rear end and eccentric cam 9 front end are connected as a single entity by disjunctor portion 12, the carrier riser 22 of position, corresponding disjunctor portion 12 is provided with U-shaped groove 26, disjunctor portion 12 is sleeved in U-shaped groove 26, gap is formed between on rear side of planetary pinion 8 front end and star pedestal plate 25, gap is formed between on front side of planetary pinion 8 rear end and carrier riser 22.
as shown in accompanying drawing 1,2,3, the left upper portion of cylinder block 3 has the inlet hole 27 be connected with cylinder die cavity, the left lower of cylinder block 3 to have the exhaust port 28 be connected with cylinder die cavity; Working surface on three-apexed rotor 4 between top, every two angles is outwardly cambered surface, the middle part of each cambered surface is respectively equipped with combustion recess 29, forms the active chamber 10 that can meet the job requirement of quartastroke engine volume of cylinder and change between each combustion recess 29 and corresponding cylinder type cavity wall.Utilize inlet hole 27 and exhaust port 28 to realize air inlet, exhaust process, and the open and close of inlet hole 27 and exhaust port 28 are realized by the rotation of three-apexed rotor 4.
as accompanying drawing 1, 13, 14, 15, shown in 16, the top place, three angles of three-apexed rotor 4 is respectively equipped with the close groove 30 of angle top gas, three-apexed rotor 4 front and back sides of corresponding position, top gas close groove 30 front end and back end, each angle is respectively equipped with anterior angle ejector pin groove 31 and relief angle ejector pin groove 32, in the close groove 30 of angle top gas, radial seal reed 33 is installed, apex seal 34, front gusset plate 35 and rear gusset plate 36, radial seal reed 33 is positioned at the bottom of the close groove 30 of angle top gas, apex seal 34, front gusset plate 35 and rear gusset plate 36 are arranged on outside radial seal reed 33, on the front bevel end that front gusset plate 35 and rear gusset plate 36 are pressed on apex seal 34 respectively and back bevel end, apex seal 34 stretches out the close groove 30 of angle top gas and is pressed on the inwall of cylinder die cavity, in anterior angle ejector pin groove 31 and in relief angle ejector pin groove 32, pin spring 37 and link block 38 are installed, link block 38 is arranged on the outside of corresponding pin spring 37 and is pressed on the inwall of corresponding position cylinder die cavity, three-apexed rotor 4 front-end face between every two anterior angle ejector pin grooves 31 is respectively equipped with front airtight groove 39, three-apexed rotor 4 ear end face between every two relief angle ejector pin grooves 32 is respectively equipped with rear airtight groove 40, be separately installed with end face spring 41 and end plane sealing strip 42 in each front airtight groove 39 and each rear airtight groove 40, end plane sealing strip 42 is positioned at the outside of corresponding end diaphragm flexures 41 and is pressed on the inwall of corresponding position cylinder die cavity, the end face of three-apexed rotor 4 is provided with the air equalizer opening 43 laterally running through three-apexed rotor 4.Apex seal 34 plays radial seal effect, Leakage Gas in active chamber 10 can be prevented in operated adjacent chamber 10, end plane sealing strip 42 and link block 38 end face seal actions, prevent active chamber 10 from leaking gas to end face, radial seal reed 33 to be arranged on bottom apex seal 34 and arcuately, apex seal 34 outer end can be made to overcome centripetal force compression cylinder inwall, the sealing of active chamber 10 during engine start can also be ensured; End face spring 41 to be arranged on bottom end plane sealing strip 42 and in wave shape, makes end plane sealing strip 42 compress end cap and ensures sealing, prevent the gas in active chamber 10 from passing through face leakage.Air equalizer opening 43 can make the gas pressure of both sides before and after three-apexed rotor 4 remain balance, when the seals place gas leakage of three-apexed rotor 4 end face, before and after the air pressure balance of both sides can make three-apexed rotor 4 can not be amesiality, prevent three-apexed rotor 4 end face from being abraded by end cap.
as accompanying drawing 1, 13, shown in 14, the inside of forward spindle 11 and rear main shaft 13 has axial oilhole 44 respectively, outside forward spindle 11, the position of corresponding fore bearing 6 is provided with front radial direction oil hole, outside rear main shaft 13, the position of corresponding rear bearing 7 has rear radial direction oil hole respectively, the inner of front radial direction oil hole and rear radial direction oil hole is connected with axial oilhole 44 respectively, the inner chamber of three-apexed rotor 4 is provided with floor 45, the inner chamber of three-apexed rotor 4 is divided into the cooling chamber 46 that can cool three-apexed rotor 4 inwall by floor 45, the inwall of each cam bore 19 is distributed with nozzle opening 47 respectively, the axial oilhole 44 of forward spindle 11 and rear main shaft 13 is communicated with cooling chamber 46 by nozzle opening 47, three-apexed rotor 4 front-end face at surrounding rotor front aperture 17 outer rim place is provided with front oil ring groove 48, after surrounding rotor, three-apexed rotor 4 ear end face at stomidium 18 outer rim place is provided with rear oil ring groove 49, front oil ring groove 48 is provided with the wavy spring ring corresponding with its shape and oil ring with in rear oil ring groove 49, oil ring is positioned at the outside of corresponding wavy spring ring and is pressed on the inwall of corresponding position cylinder die cavity, the front end of forward spindle 11 is provided with driving pulley 50 and is connected by the driving pulley of belt with fan 51, and the rear end of rear main shaft 13 is provided with flywheel 52, the inside of front cover 1, rear end cover 2 and cylinder block 3 has respectively can carry out by circulating water the cooling water channel 53 that dispels the heat.Fore bearing 6 and rear bearing 7 are undertaken lowering the temperature and lubricating by the oil of axial oilhole 44 and radial direction oil hole conveying, the nozzle opening 47 of machine oil in cam bore 19 from axial oilhole 44 enters the cooling chamber 46 in three-apexed rotor 4, the inertial force produced when utilizing three-apexed rotor 4 to move makes machine oil wash away the inwall of three-apexed rotor 4 heating surface, taken away by heat, oil ring can prevent the machine oil of lubricating bearings and cooling three-apexed rotor 4 from scurrying in cylinder working chamber 10 by end clearance; Front cover 1, rear end cover 2 and cylinder block 3 carry out water-cooled cooling by the circulating water in cooling water channel 53, and forward spindle 11 drives driving pulley 50 to rotate thus drives fan 51 simultaneously, and the cool air blown by fan 51 carries out air-cooled cooling.Flywheel 52 can stored energy, and can weaken to impact and make the running of motor more steady.
embodiment one: as shown in Figure 2, the right part of cylinder block 3 is provided with spark plug 54, the arcing of spark plug 54 is rectified the inside of cylinder die cavity and the combination gas in energy arcing ignition combustion room pit 29, the terminal of spark plug 54 are electrically connected by the positive pole of wire and extraneous power supply, and cylinder block 3 is linked together by the negative electricity of wire and extraneous power supply.When the present invention is petrol engine, need the combination gas of being lighted by spark plug 54 timing arcing in combustion recess 29.
embodiment two: as shown in Figure 3, each cambered surface of three-apexed rotor 4 is separately installed with spark plug 54, the arcing end of spark plug 54 is positioned at combustion recess 29 and the combination gas of energy arcing ignition combustion room pit 29, the terminal of spark plug 54 are electrically connected by the positive pole of wire, carbon brush and spark coil and extraneous power supply, and cylinder block 3 is linked together by the negative electricity of wire and extraneous power supply.By spark plug 54 is arranged in each cambered surface of three-apexed rotor 4, when each cambered surface rotates to the right part of cylinder block 3 successively, the terminal of spark plug 54 are by carbon brush and cylinder block 3 momentary connection high voltage circuit generation arcing, light the combination gas in now corresponding combustion recess 29, make firing circuit not only simple but also rationally effective like this.
in addition, when the present invention is diesel engine, then do not need spark plug 54 is installed, replace spark plug 54 with oil sprayer, oil sprayer is provided with the oil spout end that can spray vaporific diesel oil, and oil spout end is positioned at cylinder die cavity, oil sprayer is connected with Injection Pump by oil pipe, diesel oil is sprayed into firing chamber and forms oil mist particles by oil sprayer, and with the air Homogeneous phase mixing inputted by inlet hole 27, the vaporific diesel oil generation spontaneous combustion when active chamber 10 volume sharply diminishes and expansion working.
above technical characteristics constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characteristics according to actual needs, meet the demand of different situations.
the working procedure of the embodiment of the present invention one and embodiment two is: for the active chamber formed between the work cambered surface AB of three-apexed rotor 4 and cylinder profile and AB active chamber, working procedure of the present invention is described.The present invention is identical with the four-journey work cycle of conventional engine, comprises air inlet, compression, work done and exhaust Four processes.First, as shown in Figure 4, when top, the angle B of three-apexed rotor 4 turns over inlet hole 27 left side edge, AB active chamber starts air inlet, because inlet hole 27 is now connected with exhaust port 28, namely intake and exhaust are overlapping, and at this moment the volume of AB active chamber is minimum, is equivalent to the top dead center position of conventional engine.Secondly, as shown in Figure 5, along with controlled three-apexed rotor 4 is rotated further, the volume of AB active chamber increases gradually, burning mixture is constantly inhaled into cylinder by inlet hole 27, and when three-apexed rotor 4 90-degree rotation arrives position shown in accompanying drawing 6, the volume of AB active chamber reaches maximum, be equivalent to the bottom dead center position of conventional engine, intake stroke terminates.Then, three-apexed rotor 4 is rotated further, and the volume of AB active chamber reduces gradually, when top, the angle A of three-apexed rotor 4 has crossed the right side edge of inlet hole 27, AB active chamber is completely enclosed, start compression stroke, when three-apexed rotor 4 revolves position shown in turnback arrival accompanying drawing 7, the volume of AB active chamber is minimum, be equivalent to the top dead center position of conventional engine, compression stroke terminates, and mixed gas is lighted at this moment spark plug 54 arcing, starts expansion working stroke.Afterwards, when three-apexed rotor 4 rotates 270 degree, the volume of AB active chamber reaches again maximum, and be equivalent to the bottom dead center position of conventional engine, expansion space stroke terminates.Then, as shown in Figure 8, when top, the angle B of three-apexed rotor 4 has turned over the left side edge of exhaust port 28, AB active chamber has been connected with exhaust port 28 and has started to be vented.Finally, when three-apexed rotor 4 rotating 360 degrees, make AB active chamber get back to again position shown in original accompanying drawing 4, so far AB active chamber completes a work cycle.Meanwhile, remaining two active chamber 7 also completes a work cycle separately.