CN201934186U

CN201934186U - Rotary piston internal-combustion engine

Info

Publication number: CN201934186U
Application number: CN2011200284560U
Authority: CN
Inventors: 罗华英; 史密斯李杰瑞
Original assignee: SMITH LI RUIJIE
Current assignee: SMITH LI RUIJIE
Priority date: 2011-01-28
Filing date: 2011-01-28
Publication date: 2011-08-17
Anticipated expiration: 2021-01-28

Abstract

The utility model discloses a rotary piston internal-combustion engine, which integrally only comprises three moving portions, and is extremely simple in structure. Manufacturing cost can be reduced greatly, the internal-combustion engine is convenient for repair, examination and repair can be completed within one hour, and maintenance cost is reduced. In addition, the internal-combustion engine is extremely reliable in performance, thereby being durable. When a vane rotary piston wall rotates forwards and backwards, four different sizes of cylinder cavities are formed by means of partition and alternately run in four strokes (air intake, exhaust, compression and ignition). When fuels in an ignition stroke cylinder of one cylinder are ignited and detonated, and another three cylinders are used for completing exhaust, compression and air intake action respectively, namely the four different strokes are completed respectively in the four cylinders of one stroke, so that the rotary piston internal-combustion engine has high operating efficiency.

Description

The rotary piston internal-combustion engine

Technical field

The utility model relates to a kind of internal-combustion engine, particularly a kind of four-stroke, four-cylinder internal combustion engine that adopts rotary piston.

Background technique

In order to solve the existing many engineering problems of stroke piston combustion engine, people are paying a large amount of painstaking effort aspect research, design and the exploitation rotary combustion engine.And the crystallization of these painstaking effort is to have developed dissimilar rotary combustion engines, as: have rotary combustion engine around the three-lobe rotor of trilobal cylinder running, have special rotary support rotary combustion engine, have the rotary combustion engine of special sliding support.But not having a kind of in all these internal-combustion engines is the high efficiency internal combustion engine that adopts fuel and have only three movable parts.

(U.S. Patent number: 4,664,078), the technology that it adopted is to be applied on the long-time internal-combustion engine that continues to rotate to authorize the patent of Bender (Bender) on May 12nd, 1987.Described internal-combustion engine has a rotatable shell.A hollow circle formula inner chamber is arranged on the shell, one or several zone is wherein arranged.An assembly that is made of axle and blade is housed in the described chamber, and in the axle and blade in each zone on shell, the quantity of blade is identical.Described internal-combustion engine is a quartastroke engine, and shell and blade all rotate, and separately to the transmission device outputting power.

Authorize the patent (U.S. Patent number: 6,113,370) a kind of rotating vane type machine that provides of Wolfson (Volftsun) on September 5th, 2000.Described machine has a stationary, comprising: an outer seal device, cam ring, the wheel rim device that inner face is not rotatable; The constituent element of rotor has: at least two are installed on the rotor or form a blade of one with rotor; One is installed on the rotor or forms a cover plate of one with rotor; One is installed on the rotor or forms No. two cover plates of one and form an integral body with an axle that is installed in its movable end of bearings on the shell with rotor; No. two axles by No. two bearings on bearing on cover plate and No. two cover plates; At least two are installed on No. two axles and the blade that can shake in rotor (containing: blade, No. one and No. two cover plates and a plurality of inner chamber); One forms whole cross device with No. two axles, has one on it at least and is installed in the side that can stop on the fulcrum and penetrates; At least one is from No. three axles that No. two cover plates and stub area extend out, and described axle links to each other with the connection set that rotational power is provided in this stub area; At least one cam driven device, described device is installed on No. three axles between No. two cover plates and the connection set, it also is included in two cylinders on the cam driven device internal surface, and then comprise two arms that extend to the side, the end effect of arm is on described cross device, with an import and export assemblying body that is installed in the mechanism that shell and respective fixation formula thereof be rotatedly connected, what link to each other with No. two cover plates is to have a pair of turnover pipe and interface on the assemblying body at least so that the interface on No. two cover plates is coupled together, and inlet and outlet connectors also is housed respectively on shell.

Authorize the patent (U.S. Patent number: 1,142,576) be a four-stroke rotary combustion engine of sound Xiao (Inshawn) on June 8th, 1915.Described internal-combustion engine has No. two vane group that are fixed on that vane group on the shell and are installed on the axle and rotate with described axle, and this internal structure by shell is rotated.

Authorize the patent (U.S. Patent number: 1,981,615) be a kind of rotary internal combustion motor of Edeleanu (Enderlin) on November 20th, 1934.Described combustion motor has been divided into two chambeies by the piston that is installed on the internal combustion cavity wall.Two cylinder caps that cooperate with piston are fixed on the axle that is installed in the inner chamber and with described axle and rotate.

Authorize the patent (U.S. Patent number: 1,318,017) be a rotary combustion engine of business (Shank) on October 7th, 1919.Gasoline or other liquid oils after described internal-combustion engine employing and pressurized air and the vapor mixing provide power for fuel.A cylinder that has rotor.Each rotor all has rotor head, and rotor head is taken as bearing.Rotor is to be used for receiving entering into air that motor that cylinder is rotated compressed, described rotor by spark ignition fuel after and start.

Authorize the patent (U.S. Patent number: 1 of ample spectrum (Tropp) in December 10 nineteen twenty-nine, 739,104) be a kind of like this internal-combustion engine: it has a shell, and opening is arranged on the shell, and its effect is the motor that the axle on startup Filling apparatus and a pair of and the shell is made coaxial rotation.Have on the motor: the impeller that metric system is relative and one from the shell opposite motor and the cover that stretches; One is installed in the axle that can rotate in the described cover; A valve rocker that drives by each cover; Cam by each valve rocker of shell drive, described cam can make corresponding valve rocker do the intervals of 180 degree; No. two cams by each valve rocker of axle drive, described cam can make corresponding valve rocker do the intervals of 120 degree, and has motor and spool cam and the valve rocker that are connected and disconnect with shell.

Authorize the patent of Mikhail Bakhtin (Bakhtine) (U.S. Patent number: 6,305,345) be a vibration scissors rotary engine in October 23 calendar year 2001.Two rotors are arranged in the described motor, and No. one lays respectively on relative No. one and No. two faces of motor with the drive unit of No. two rotors.Each rotor drive comprises: bowl-shape carrier, described carrier is securely fixed on the output shaft, and described output shaft passes two hollow rotor live axles, and is installed in the bearing, thereby structurally just can no longer need an independently drive unit.By the damping device that links to each other with the bar head, all loads that give meshed gears are on average split, and on each face of motor, increased planet crank small gear group symmetrically, come the mean allocation impact force by the method for using actuator (as: flywheel).The design's characteristics are: simple, reliable, durable, have transient equiliblium.Unique coaxial design has guaranteed the validity of rotor configuration, thereby has solved common mechanical seal problem, and replaces the dynamic gas sealing, has prolonged the working life of engine components.These dynamic clearances have also formed the heat-protective coating in gap between the blade on shell and the shell, thereby have reduced the heat load on the motor critical piece, reach shell is continued cool effect.Its advantage is: need not to increase in addition water cooling equipment, only depend on the circulating lubricating oil in shell and the blade cooling pipe just can lower the temperature alone to motor/parts separately, thereby reduced manufacture cost.

(U.S. Patent number: what 3,227,090) relate to is a kind of motor or pump that is positioned at various chambeies rotor that have to authorize the patent of Ba Tuoluoxi (Bartolozzi) on January 4th, 1966.A coaxial axle is arranged on the annular chamber, and there are a rotor and radial plunger in the surface of the described axle collar.These rings are only done the rotation of same single direction.These axles rotate around same axle, and when rotating, and another axle just stops in case axle rotates, the diaxon rotation that hockets.

Authorize the patent (U.S. Patent number a: power mechanism that is used as hydraulic electric motor and/or oil hydraulic pump that 6,158,987) is represented of Rui Kaimo (Raikamo) on December 12nd, 2000.Described power mechanism comprises: a cylinder space, or plug can move in described cylinder space and hydraulic tubing.This is an annular cylinder, and piston is done radially to extend to the inner circumference shape surface of cylinder space, and rotates around the axle of cylinder space.Described power mechanism also comprises: the locking device of a transmission shaft and a lock piston, thus they can only be rotated with cylinder space.Piston is alternately locked and decontrols by the chamber between the piston along with the alternate supplies of hydraulic pressure.Like this, piston is done running continuously, power is provided or equally liquid is compressed to pump as motor.

Authorize the patent (U.S. Patent number: 3,935,841) be a complete columniform rotary combustion engine of Lang Jiwaer (Longeval) on February 3rd, 1976.Described motor comprises a rotary cylinder stator, and two pairs of blades are wherein arranged on concentric shafts.This is a kind of common structure, and it is controlled the speed of reference axis by gear-box, and the difference of angle will make the size in internal combustion chamber change between the blade like this, thereby produces four running actions: suck, compress, increase (power), discharging.

Authorize the patent (U.S. Patent number: 6,948,473) be a four-stroke motor of Wu Di (Udy) on September 27th, 2005.It has the chain impeller wheel hub blade of symmetry, utilizes related rotation and drives the chain impeller wheel hub.It a shared pto, electromagnetic field, impeller regularly discharge and locking device on a mutual hub unit of staggered form is arranged, so that the real-time control to compressibility to be provided, and the power of control wheel rotor and mechanical clutch are so that rotate line shaft.

Authorize the patent (U.S. Patent number: 6,386,838) be a kind of reciprocating and rotating type motor of Hoyt (Hoye) on May 14th, 2002.It is furnished with internal combustion chamber and pump chamber with two cover free-pistons and pump leaf, and every cover free-piston and pump leaf all have two pistons and two pump leaves.This two cover piston and pump leaf are arranged in independently internal combustion chamber and pump chamber zone, and do reciprocating type rotation by concentric circulating path under the effect of the compressive force that combustion power promotes, thus the page or leaf press liquid in suction and the compression pump chamber.

Authorize the patent (U.S. Patent number: 859,959) be a kind of rotary engine of horse assorted (Marsh) on July 16th, 1907.Its constituent element has: a cylinder that has import and discharge coupling and valve; Pass an axle of described cylinder; At least an advancing means that comprises two blades, each blade are done self-movement along axle in cylinder, thereby make blade rotation and a plurality of blades of genlocing prevent its reversing.

(U.S. Patent number: what 4,744,736) showed is a kind of rotary combustion engine to authorize the patent of Si Tuofo (Stauffer) on May 17th, 1988.Described internal-combustion engine is equipped with ratchet or control gear between the chamber, combustion space of a pair of axial internal combustion chamber and one.A pair of blade all is installed in each burning cavity, and all blades all are installed on the concentric shafts, can freely rotate each other.The effect of the mechanism between ratchet means is to prevent that the blade in a certain burning cavity from rotating counterclockwise, and makes it do clockwise rotation simultaneously, and it prevents that also blade in another burning cavity from passing on clockwise and it is rotated counterclockwise.To cancel out each other by two active forces that burning cavity produced in the ratchet means.The center ratchet unit comprises a shell, and its effect is to absorb from two burning cavity reaction forces.When the reaction force in two burning cavitys was uneven, described shell still can freely rotate.

We are needed to be a high efficience motor that has only three movable parts to form, and described motor can improve efficient, reduction maintenance cost and the firm and durable of fuel.

Summary of the invention

The purpose of this utility model provides a kind of high efficiency internal combustion engine, simplifies the cylinder structure of internal-combustion engine, with efficient, reduction maintenance cost and the firm and durable of improving fuel.

The utility model is to realize above-mentioned purpose like this:

The rotary piston internal-combustion engine comprises the internal-combustion engine housing with vertical cylindrical hollow cavity, and the cylindrical hollow cavity longitudinally is provided with partition wall, with the cylindrical hollow cavity longitudinally average mark be divided into vertical chamber of cross section semicircular in shape; Blade type rotary piston is arranged, it is provided with the rotating axial location that is installed on the cylindrical hollow cavity of central rotating shaft, central rotating shaft is arranged with the two-piston blade, the two-piston blade longitudinally places two vertical chambeies, and two vertical chambeies are divided into four cylinders, be respectively equipped with ignition mechanism on the inwall of each cylinder; Cylindric revolving valve is arranged, be respectively equipped with the passage that is used for air inlet or exhaust on the valve, valve makes respective channel be communicated with respective cylinder respectively at the different operating stroke according to each cylinder by rotation and finishes air inlet and exhaust action; Cylindrical hollow cavity both ends open is by the internal combustion (IC) engine airframe cap closure.

The central rotating shaft of described blade type rotary piston and piston blade interior are provided with can be for oil circuit lubricated and the cold oil circulation, and described oil circuit extends to the piston wall of piston blade and cylinder inner wall.

Described piston blade is made up of the multi-layer structure that longitudinally distributes, described multi-layer structure comprises the horizontal seal layer and the vertical seal layer of repeated arrangement successively, described vertical seal layer comprises vertical seal part, elastic component and sealing mounting groove, the vertical seal part is installed in the sealing mounting groove by elastic component, and elastic component fits tightly the sealing surface of vertical seal part and cylinder wall.

Be provided with sealing configuration between the outer surface of the central rotating shaft of described blade type rotary piston and the partition wall outer surface, the volume surface of contact of described partition wall and central rotating shaft is made up of the multi-layer structure that longitudinally distributes, multi-layer structure comprises the horizontal seal layer and the vertical seal layer of repeated arrangement successively, described vertical seal layer comprises vertical seal part, elastic component and sealing mounting groove, the vertical seal part is installed in the sealing mounting groove by elastic component, and elastic component is fitted the sealing surface of vertical seal part and central rotating shaft intimate.

Described elastic component can also replace by the oil pressure pressure system, and described oil pressure pressure system is for being provided with the oil circuit that communicates with high pressure oil pump on the sealing mounting groove, and high pressure oil makes sealing surface and the cylinder wall or the applying of central rotating shaft intimate of vertical seal part.

Being provided with the gap between described horizontal seal layer and the vertical seal layer forms for oil circuit lubricated and the cold oil circulation.

Described vertical cavity wall is provided with removable lining.

Cylindric revolving valve is two and is arranged at the columned valve that the partition wall two ends link to each other with the internal-combustion engine housing respectively and rotates in the chamber, two passages that longitudinally run through valve are set on each valve, and the chamber wall in valve rotation chamber is provided with the hole body with channel connection.

Each cylinder wall is provided with the mounting hole of perforation, and mounting hole internal fixation spark plug is as ignition mechanism.

The beneficial effects of the utility model are: entire internal combustion engine only is made up of three movable parts, structure is very simple, manufacture cost is reduced greatly, and be convenient to the maintenance of internal-combustion engine, can within one hour, finish maintenance, reduce maintenance cost, in addition, the performance of internal-combustion engine is very reliable, firm and durable.When rotating before and after the blade type rotary piston wall, be separated out the casing housing of four different sizes, and alternately do four-cycle operation (air inlet, exhaust, compression and igniting).When a cylinder in the igniting stroke cylinder fuel by ignition deflagrating of hot after, other three cylinders are then finished exhaust, compression and air inlet action respectively, just finish four different strokes respectively at four cylinders of a stroke, therefore have operational paradigm efficiently.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is the partial cross section planimetric map of rotary piston internal-combustion engine in the utility model;

Fig. 2 is the working procedure schematic representation of the utility model rotary piston internal-combustion engine;

Fig. 3 is the exploded view of rotary piston internal-combustion engine;

Fig. 4 is the part sectioned view of rotary piston internal-combustion engine;

Fig. 4 A is the enlarged view at blade type rotary piston wall A place among Fig. 4;

Fig. 5 A is a blade type rotary piston transverse cross-sectional view among Fig. 1;

Fig. 5 B is a blade type rotary piston longitudinal sectional drawing among Fig. 1;

Fig. 6 is the rotary piston internal-combustion engine longitudinal sectional drawing of medial axis longitudinally;

Fig. 7 is the partial cross section planimetric map of Fig. 1 rotary piston internal-combustion engine;

Fig. 7 B is the partial enlarged drawing at B place among Fig. 7.

Embodiment

Referring to figs. 1 through Fig. 7 B, the rotary piston internal-combustion engine comprises the internal-combustion engine housing 21 with vertical cylindrical hollow cavity, and the cylindrical hollow cavity longitudinally is provided with partition wall 22, with the cylindrical hollow cavity longitudinally average mark be divided into vertical chamber of cross section semicircular in shape; Blade type rotary piston 24 is arranged, it is provided with the central rotating shaft 23 rotating axial location that are installed on the cylindrical hollow cavity, central rotating shaft 23 is arranged with two-

piston blade

24A, 24B, two-

piston blade

24A, 24B longitudinally place two vertical chambeies, and two vertical chambeies are divided into four cylinder CYL1, CYL2, CLY3, CLY4, be respectively equipped with ignition mechanism on the inwall of each cylinder CYL1, CYL2, CLY3, CLY4; Cylindric revolving

valve

33A, 33B are arranged, be respectively equipped with the

passage

34,35 that is used for air inlet or exhaust on valve 33A, the 33B,

valve

33A, 33B make

respective channel

34,35 be communicated with respective cylinder CYL1, CYL2, CLY3, CLY4 respectively at the different operating stroke according to each cylinder CYL1, CYL2, CLY3, CLY4 by rotation and finish air inlet and exhaust action; Cylindrical hollow cavity both ends open is by 40,47 sealings of internal combustion (IC) engine airframe cap.Install for ease of ignition mechanism, each cylinder wall is provided with the mounting hole 15 of perforation, and mounting hole 15 internal

fixation spark plug

31A, 31B, 31C, 31D are as ignition mechanism.Wherein, cylindric revolving

valve

33A, 33B are two and are arranged at the columned valve that partition wall 22 two ends link to each other with internal-combustion engine housing 21 respectively and rotate in chamber 32A, the 32B, the last setting of each

valve

33A, 33B longitudinally runs through two

passages

34,35 of

valve

33A, 33B, and the chamber wall that valve rotates

chamber

32A, 32B is provided with the

hole body

36,37 that is communicated with

passage

34,35.

Because internal-combustion engine is along with the passing of operating time, the temperature of entire internal combustion engine can rise thereupon, and the rising of temperature can cause combustion efficiency to descend, the sealing that influences internal-combustion engine causes operating life shortening or the like problems, must adopt the effective type of cooling that internal-combustion engine is cooled for this reason, optimal way of the present utility model is to adopt oil cooling, for this reason at the central rotating shaft 23 and the piston blade 24A of blade type

rotary piston

24,24B inside is provided with can be for oil circuit 19A lubricated and the cold oil circulation, 19B, 19C, described

oil circuit

19A, 19B, 19C extends to piston blade 24A, the piston wall of 24B and cylinder inner wall.By oil hydraulic press the lubricant oil of cooling is injected into

oil circuit

19A, 19B, 19C by the oilhole of central rotating shaft 23, make flow of lubricant lead to the various piece of internal-combustion engine, can reduce operating temperature on the one hand by parts, especially piston 24, can play good lubrication minimizing work friction on the other hand.

For guaranteeing sealing relatively between four cylinder CYL1, CYL2, CLY3, the CLY4, prevent to leak gas between cylinder CYL1, CYL2, CLY3, the CLY4, described

piston blade

24A, 24B are made up of the multi-layer structure that longitudinally distributes, described multi-layer structure comprises the horizontal seal layer 51 and the vertical seal layer 52 of repeated arrangement successively, described vertical seal layer 52 comprises vertical seal part 521, elastic component and sealing mounting groove 522, vertical seal part 521 is installed in the sealing mounting groove 522 by elastic component, and elastic component fits tightly the sealing surface of vertical seal part 521 and cylinder wall.In like manner also need to consider the sealing between central shaft and the partition wall 22, can adopt above-mentioned sealing configuration, be provided with sealing configuration between the outer surface of the central rotating shaft 23 of described blade type rotary piston 24 and partition wall 22 outer surfaces, described partition wall 22 is made up of the multi-layer structure that longitudinally distributes with the volume surface of contact of central rotating shaft 23, multi-layer structure comprises the horizontal seal layer 51 and the vertical seal layer 52 of repeated arrangement successively, described vertical seal layer 52 comprises vertical seal part 521, elastic component and sealing mounting groove 522, vertical seal part 521 is installed in the sealing mounting groove 522 by elastic component, and elastic component is fitted the sealing surface of vertical seal part 521 and central rotating shaft 23 intimate.In order further to improve the sealability of vertical seal part 521, described elastic component can also replace by the oil pressure pressure system, described oil pressure pressure system is for being provided with

oil circuit

19A, 19B, the 19C that communicates with high pressure oil pump on sealing mounting groove 522, high pressure oil makes sealing surface and the cylinder wall or the applying of central rotating shaft 23 intimate of vertical seal part 521.In order further to reduce the frictional force of piston 24 and cylinder wall and partition wall 22, be provided with the gap between described horizontal seal layer 51 and the vertical seal layer 52 and form simultaneously for

oil circuit

19A, 19B, 19C lubricated and that cold oil circulates.

Be to improve the working life of internal-combustion engine, described vertical cavity wall is provided with removable lining 43, because long-term and piston 24 surface frictions, so loss is bigger during this parts work, and use a period of time all needs regularly to carry out dismounting and change.

Describe the working procedure of internal-combustion engine in detail below in conjunction with accompanying drawing, with reference to Fig. 2:

1. with reference to Fig. 2 A, but be full of ignitable fuel among the cylinder CYL4, spark plug 31C fire fuel is finished firing stroke, and the gas among the cylinder CYL4 expands rapidly, promote piston 24 motions, the passage 35 of valve 33B is communicated with cylinder CYL2 simultaneously, and cylinder CYL2 finishes exhaust stroke, and cylinder CYL3 finishes compression stroke, the passage 34 of valve 33A is communicated with cylinder CYL1, and cylinder CYL1 finishes aspirating stroke.

2. with reference to Fig. 2 B, in last one-stroke, but cylinder CYL3 has been full of ignitable fuel, spark plug 31D fire fuel, finish firing stroke, gas among the cylinder CYL3 expands rapidly, promotes piston 24 motions, and the passage 35 of valve 33B is communicated with cylinder CYL4 simultaneously, cylinder CYL4 finishes exhaust stroke, cylinder CYL1 finishes compression stroke, and the passage 34 of valve 33B is communicated with cylinder CYL2, and cylinder CYL2 finishes aspirating stroke.

3. with reference to Fig. 2 C, in last one-stroke, but cylinder CYL1 has been full of ignitable fuel, spark plug 31A fire fuel, finish firing stroke, gas among the cylinder CYL1 expands rapidly, promotes piston 24 motions, and the passage 35 of valve 33A is communicated with cylinder CYL3 simultaneously, cylinder CYL3 finishes exhaust stroke, cylinder CYL2 finishes compression stroke, and the passage 34 of valve 33B is communicated with cylinder CYL4, and cylinder CYL4 finishes aspirating stroke.

4. with reference to Fig. 2 D, in last one-stroke, but cylinder CYL2 has been full of ignitable fuel, spark plug 31B fire fuel, finish firing stroke, gas among the cylinder CYL2 expands rapidly, promotes piston 24 motions, and the passage 35 of valve 33A is communicated with cylinder CYL1 simultaneously, cylinder CYL1 finishes exhaust stroke, cylinder CYL4 finishes compression stroke, and the passage 34 of valve 33A is communicated with cylinder CYL3, and cylinder CYL3 finishes aspirating stroke.

Internal-combustion engine constantly repeats above-mentioned 4 working procedure and realizes running.

The application of internal-combustion engine can be different with length because of the diameter of internal-combustion engine housing 21.The housing 21 that diameter is little can produce high rotating speed, and moment is also little, can use on the vehicle high-speed to obtain.The housing 21 that diameter is big can produce low rotating speed, and moment is also big, can use the usefulness of doing traction on the vehicle.The engine housing 21 of different-diameter and length has been given using scope widely, comprises vehicle, mowing machine, chain type saw, weeder, blower, drag racing car, tractor, boats and ships and aircraft.

Claims

1. rotary piston internal-combustion engine, it is characterized in that: comprise internal-combustion engine housing (21) with vertical cylindrical hollow cavity, the cylindrical hollow cavity longitudinally is provided with partition wall (22), with the cylindrical hollow cavity longitudinally average mark be divided into vertical chamber of cross section semicircular in shape; Blade type rotary piston (24) is arranged, it is provided with the rotating axial location that is installed on the cylindrical hollow cavity of central rotating shaft (23), central rotating shaft (23) is arranged with two-piston blade (24A, 24B), two-piston blade (24A, 24B) longitudinally places two vertical chambeies, and two vertical chambeies are divided into four cylinders (CYL1, CYL2, CLY3, CLY4), be respectively equipped with ignition mechanism on the inwall of each cylinder (CYL1, CYL2, CLY3, CLY4); Cylindric revolving valve (33A, 33B) is arranged, be respectively equipped with the passage (34,35) that is used for air inlet or exhaust on the valve (33A, 33B), valve (33A, 33B) makes respective channel (34,35) be communicated with respective cylinder (CYL1, CYL2, CLY3, CLY4) respectively at the different operating stroke according to each cylinder (CYL1, CYL2, CLY3, CLY4) by rotation and finishes air inlet and exhaust action; Cylindrical hollow cavity both ends open is sealed by internal combustion (IC) engine airframe cap (40,47).

2. rotary piston internal-combustion engine according to claim 1, it is characterized in that: the central rotating shaft (23) of described blade type rotary piston (24) and piston blade (24A, 24B) inside are provided with can be for oil circuit (19A, 19B, 19C) lubricated and the cold oil circulation, and described oil circuit (19A, 19B, 19C) extends to the piston wall of piston blade (24A, 24B) and cylinder (CYL1, CYL2, CLY3, CLY4) inwall.

3. rotary piston internal-combustion engine according to claim 1 and 2, it is characterized in that: described piston blade (24A, 24B) is made up of the multi-layer structure that longitudinally distributes, described multi-layer structure comprises the horizontal seal layer (51) and the vertical seal layer (52) of repeated arrangement successively, described vertical seal layer (52) comprises vertical seal part (521), elastic component and sealing mounting groove (522), vertical seal part (521) is installed in the sealing mounting groove (522) by elastic component, and elastic component fits tightly the sealing surface and the cylinder wall of vertical seal part (521).

4. rotary piston internal-combustion engine according to claim 1, it is characterized in that: be provided with sealing configuration between the outer surface of the central rotating shaft (23) of described blade type rotary piston (24) and partition wall (22) outer surface, described partition wall (22) is made up of the multi-layer structure that longitudinally distributes with the volume surface of contact of central rotating shaft (23), multi-layer structure comprises the horizontal seal layer (51) and the vertical seal layer (52) of repeated arrangement successively, described vertical seal layer (52) comprises vertical seal part (521), elastic component and sealing mounting groove (522), vertical seal part (521) is installed in the sealing mounting groove (522) by elastic component, and elastic component is fitted the sealing surface of vertical seal part (521) and central rotating shaft (23) intimate.

5. according to claim 3 or 4 described rotary piston internal-combustion engines, it is characterized in that: described elastic component can also replace by the oil pressure pressure system, described oil pressure pressure system is for being provided with the oil circuit (19A, 19B, 19C) that communicates with high pressure oil pump on sealing mounting groove (522), high pressure oil makes sealing surface and the cylinder wall or the applying of central rotating shaft (23) intimate of vertical seal part (521).

6. according to claim 3 or 4 described rotary piston internal-combustion engines, it is characterized in that: be provided with the gap between described horizontal seal layer (51) and the vertical seal layer (52) and form for oil circuit (19A, 19B, 19C) lubricated and the cold oil circulation.

7. rotary piston internal-combustion engine according to claim 1 is characterized in that: described vertical cavity wall is provided with removable lining (43).

8. rotary piston internal-combustion engine according to claim 1, it is characterized in that: cylindric revolving valve (33A, 33B) is two and is arranged at the columned valve that partition wall (22) two ends link to each other with internal-combustion engine housing (21) respectively and rotates in the chamber (32A, 32B), each valve (33A, 33B) is gone up two passages (34,35) that setting longitudinally runs through valve (33A, 33B), and the chamber wall that valve rotates chamber (32A, 32B) is provided with the hole body (36,37) that is communicated with passage (34,35).

9. rotary piston internal-combustion engine according to claim 1 is characterized in that: each cylinder wall is provided with the mounting hole (15) of perforation, and mounting hole (15) internal fixation spark plug (31A, 31B, 31C, 31D) is as ignition mechanism.