WO1996023135A1

WO1996023135A1 - Rotary piston engine

Info

Publication number: WO1996023135A1
Application number: PCT/CN1995/000098
Authority: WO
Inventors: Xiaoying Yun
Original assignee: Xiaoying Yun
Priority date: 1995-01-27
Filing date: 1995-12-25
Publication date: 1996-08-01
Also published as: AU4296496A

Abstract

This invention provides a rotary piston engine including two cylinders in the left and right of the engine, two rotors in said cylinders correspondingly, and sealed crescent space between the walls of each pairs of cylinder and rotor. The cylinder includes a gas storage chamber, two opposite reciprocating blade assemblies in the wall of said cylinder, a first inlet of compressed gas channel connected to said chamber, a second inlet of compressed gas channel connected to said crescent space, and an outlet of the compressed gas channel connected to first inlet of another cylinder. With the operation of reciprocating blade, the combustible mixture in one cylinder is compressed and supplied through the compressed gas channel into the gas storage chamber (combustion chamber) of the other cylinder.

Description

Rotary piston engine

The invention relates to an internal combustion engine, in particular to a rotary piston engine. Background technique

At present, some important research institutions in various countries around the world focus on the Wankel engine, that is, the triangular piston rotary engine, and this engine is applied to a few machines such as some racing cars and mowers. Triangular piston rotary engines are generally considered to be the most promising rotary engines. In fact, since the triangular piston rotary engine was invented by German engineer Wankel in history, it has not been able to enter the practical stage. The main problem is that the end point of the eccentric rotor at the interface of the cylinder wall is due to the needs of the moving body. It cannot be enlarged, and in fact it is impossible to find a material that is resistant to abrasion and high temperature, and at the same time achieves a good seal. The three ends of the triangular rotor are difficult to achieve effective sealing, and even if some similar variants appear, this problem cannot be solved well. Because there has been no more reasonable design, the triangular piston rotary engine is still one of the objects of general research. From the perspective of materials science, abrasion resistance and high temperature resistance are exactly contradictory to the realization of seals in the manufacture of materials. Often, this is not the case. Therefore, the engine rotor and the cylinder wall must have an effective contact surface. This is where reciprocating piston engines exist. An important reason.

As we all know, the engine is a kind of power machinery that converts thermal energy into kinetic energy. A basic condition of the conversion process is that the fuel pressure increases the gas pressure, but the moving seal does work, and the seal is the first condition. Otherwise, it cannot be efficient. Achieve energy conversion. The disadvantage of triangular piston rotary engines at this point is fatal. From this, it can be asserted that the triangular piston rotary engine (Wankel engine) will not become a new type of ideal engine, which is even more obvious today and in the future with an increasing focus on energy conservation. The disadvantages of reciprocating piston engines are: Because what people really need is rotary mechanical power, and in the energy conversion of reciprocating piston engines, a considerable part of the linear motion of the pistons becomes vibration and accompanying noise; reciprocating There is an air valve problem in piston engines. In order to solve this problem, most advanced engines are solved by increasing the number of air valves. This undoubtedly makes the engine's mechanical structure more complicated, the number of moving parts increased, and the friction loss increased. In order to obtain a balanced power and achieve a four-stroke action, a piston engine has to guarantee a certain number of cylinders. This is another fundamental reason for the complex structure and many moving parts of a reciprocating piston engine. Object of the invention

The object of the present invention is to provide a rotary piston engine, which can directly output rotary power and has a large specific power. Since the moving parts that generate power, that is, the rotor and the cylinder have a proper contact area, they can maintain a good seal. And because it has fewer moving parts, it reduces friction losses and is easy to manufacture. Technical solutions

To achieve the above object, the present invention provides a rotary piston engine.

The engine provided by the present invention includes a cylinder block; an end cover installed on the end surface of the cylinder block and closing the cylinder block; and a plurality of intermediate partitions arranged in the cylinder block to divide the cylinder block into a plurality of cylinders and installed in each air cylinder A rotor; a rotor mounted on the spindle and positioned circumferentially; a spark plug provided on one side of the cylinder block; and an air inlet and an exhaust hole.

According to an aspect of the present invention, a sealed space is formed between the rotor arc surface and the cylinder profile, an air storage chamber is formed on the cylinder wall where the spark plug is located, and an air storage chamber is opened at an appropriate position of the cylinder. At the inlet of the connected compressed gas passage, first and second baffle assemblies are installed on the air bladder wall. The first and second baffle assemblies are spaced apart in the circumferential direction. The inner ends of each baffle assembly are in sealing contact with the rotor and are sealed. The space is divided into two parts sealed and isolated from each other in the axial direction, and can reciprocate linearly under the action of the rotor arc surface. At the appropriate position of the cylinder, there is an outlet of the compressed gas channel communicating with the sealed space. The air channel outlets are located on both sides of the first baffle assembly, and the air inlet and exhaust holes are located on both sides of the second baffle assembly. The compressed air channel inlets of each gas rainbow are assisted by the compressed air channels and corresponding gas. The outlet of Hong's compressed gas channel is connected.

According to a feature of the present invention, the rotor and the intermediate partition are integrally manufactured. According to another feature of the present invention, the cylinder block is a split structure, and the intermediate partitions are installed between the cylinders.

According to another feature of the present invention, the baffle assembly is a piston-type structure, and includes a piston-type baffle installed in a generally radial opening formed on a cylinder wall, and a radial outer end thereof is provided with a piston-type baffle. A biased ocean spring device is provided with a seal at its radially inner end.

According to still another feature of the present invention, the cross-sectional shape of the cylinder is trapped, the shape of the rotor planting surface is a curved shape formed by combining arcs and curved arcs, and the radius of ig and the arc is substantially equal to the arc of the rotor. A sealed space is formed between the curved surface and the arc surface of the cylinder.

According to another feature of the present invention, a sealed space is formed in each cylinder.

According to another feature of the present invention, two opposed sealed spaces are formed in each cylinder. According to another feature of the present invention, the number of the cylinders is two.

According to another feature of the present invention, the compressed air passage inlet, compressed air passage outlet, air inlet hole, and exhaust hole are all opened on the cylinder wall.

According to another aspect of the present invention, a sealed space is formed between the rotor arc surface and the cylinder profile surface, an air storage chamber is formed on the rotor cylinder surface, and a compressed air passage communicating with the air storage chamber is formed on the inner wall of the air storage chamber. At the inlet, first and second baffle assemblies are installed on the rotor cylinder surface. The first and second baffle assemblies are spaced apart in the circumferential direction. The outer ends of each baffle assembly are in sealing contact with the cylinder wall and the sealed space is along the shaft. Each baffle assembly is separated into two parts sealed and isolated from each other. Each baffle assembly can reciprocate linearly under the action of the cylinder wall surface, and a compressed gas channel outlet communicating with the sealed space is opened at a proper position on the rotor cylinder surface. The compressed air passage and the outlet of the compressed air passage are respectively located on both sides of the first baffle assembly. The air intake and exhaust holes are opened at appropriate positions of the cylinder and are spaced apart from each other in the circumferential direction. A spark plug is provided near the air intake and compression of each cylinder is provided. The gas channel inlet is in communication with the corresponding gas-red compressed gas channel outlet by means of a compressed gas channel.

According to a feature of the present invention, each of the rotors is a monolithic cylinder.

According to another feature of the present invention, the carcass is a split structure, and the intermediate partition is installed between the cylinders.

According to another feature of the present invention, the baffle assembly is a piston-type structure, and includes a piston-type baffle installed in a generally radial opening formed on a cylindrical surface of a rotor, and an inner end thereof is provided with a biasing force. The compression spring device is provided with a sealing sheet at its outer end.

According to yet another feature of the present invention, the cross-sectional shape of the cylinder is a curved shape formed by joining B1 arcs and curved arcs, and the cross-sectional shape of the rotor is IS. The IS and the radius of the trapped arc are approximately equal to each other. The arc-shaped curved surface of the cylinder A sealed space is formed with the B1 arc surface of the rotor, and the sealed space in each cylinder is located on the same side of the iris.

According to another feature of the present invention, the number of the cylinders is two.

According to another feature of the present invention, a third and a fourth baffle assembly are further provided on the cylindrical surface of each rotor 03, the first and the second baffle assemblies are opposed to each other, and the third and the fourth baffle assemblies are opposed to each other. The two sides of the second baffle assembly are provided with a gas storage chamber and a compressed gas passage outlet respectively corresponding to the gas storage chamber and the compressed gas passage outlet on both sides of the first baffle assembly, and corresponding walls are formed on the inner wall of the gas storage chamber An inlet of the compressed gas passage communicated with the gas storage chamber, the inlet of the compressed gas passage communicates with the outlet of the compressed gas passage of the corresponding cylinder by means of the compressed gas passage.

According to another feature of the present invention, the number of cylinders is one.

According to another feature of the present invention, the intake hole and the exhaust hole are opened in a cylinder wall. Beneficial effect

Since the rotor of the rotary-piston engine of the present invention has a large contact area with the cylinder wall, it is easy to achieve a good seal. At the same time, because there are fewer moving parts and a smaller volume, friction losses are reduced, and effective lubrication is facilitated. And has a large specific power. In addition, since the rotor and the cylinder of the present invention are basically located at the same axis, the mechanical structure of the rotor layout is reasonable, so it can achieve directional and stable operation and generate direct output rotational power. In addition, the present invention The engine also enables effective cooling cycles.

The present invention is described in further detail below with reference to the drawings and embodiments. Drawing description

1 is a schematic structural diagram of a rotary piston engine according to a first embodiment of the present invention;

Fig. 2 is a sectional view taken along A-A in Fig. 1;

Fig. 3 is a sectional view taken along the line B-B in Fig. 1;

4 is a schematic structural diagram of a rotary piston engine according to a second embodiment of the present invention;

FIG. 5 is a view similar to FIG. 3, showing a structural principle of a rotary piston engine according to a third embodiment of the present invention; FIG.

FIG. 6 is a view similar to FIG. 2, illustrating a structural principle _{β of} a rotary piston engine according to a third embodiment of the present invention.

Reference is first made to FIGS. 1 to 3 which illustrate a first embodiment of the invention. In Fig. 1, reference numerals ⁷ and 7 'denote engine blocks, and the inner walls thereof are rounded (as shown in Figs. 2 and 3), and both ends of the cylinder blocks ⁷ and ⁷ ' are formed by left and right end covers 10, 10 '. And the middle partition plate 19 are closed, so that the left and right cylinders 66 and 66 'having a circular cross section are formed between the end covers 10, 10' and the middle partition plate 19, and the main shaft 1 is supported on the end cover 10, On the bearing 2 on 10 ', the cylinder is equipped with rotors 9, 9', and the shape of the rotor 9 and 9 'is a curved shape formed by joining a half B1 arc and a curved arc, as shown in Figs. 2 and 3 The radius of the semi-IS arc of the rotor is approximately equal to the radius of the cylinder. The arc-shaped curved surface and the cylinder's 181 arc surface form a sealed crescent volume space 30 and 30 '. The rotor 9, 9' is installed in its inner hole on On the main shaft 1, the arc-shaped curved surfaces located on the rotors 9, 9 'are opposed to each other at an angle of 180, and are positioned in the circumferential direction of Jian 28. Axially on the cylinder inner wall formed with gas chamber 8, 8 ', its top is provided with a spark plug 4, and the cylinder wall defines a gas chamber 8, 8' of the compressed air passage communicating an inlet ^20, 20 ', channel The inlets 20 and 20 'are provided with a movable valve 53, and the compressed mixed gas is supplied to the gas storage chambers 8, 8' through the compressed gas passage inlets 20 and 20 '. In the vicinity of the gas storage chambers 8, 8 ' Mounted to the cylinder wall opposite to the fence assembly has a piston ^60, 60 ', the other piston baffle assembly 61, 61' provided on the other side opposite thereto, both to 1B0 ° angle therebetween. Piston-type baffles 13, 13 ', 25, 25' are installed in the cylinder wall to form radial openings ⁴ 1, 41 ', 42,

In 42 ', the baffle plates 13, 13', 25, and 25 'are pressed against the rotors 9, 9' by means of a reset ocean spring ⁴⁷ provided on the radially outer end thereof, and the radially inner end of the baffle plate is provided with a crescent seal. Piece ²⁹ , so as to form a sealing contact with the rotor 9, 9 ', and a compressed air passage outlet 22, 22' is provided on the cylinder wall near the piston baffle assembly 61, 61 'on the opposite side to the rotor rotation direction, and the compressed gas The outlet 22, 22 'of the passage is provided with a movable valve 53, and the compressed mixed gas is discharged from the crescent volume 30, 30' through the outlet 22, 22 '. The compressed gas channel outlets 22, 22 'are in communication with the compressed gas channel inlets ²⁰ ', ²⁰ respectively by means of a compressed gas channel (not shown). Exhaust gas exhaust ports 27, 27 'and mixed gas inlets 24, 24' are respectively provided on the cylinder walls of the piston-type baffle assemblies 61, 61 'on the opposite side and the same side as the rotor rotation direction. The operation principle of the rotary piston engine of this embodiment will be described below.

Intake-Exhaust

Referring to FIG. 3, in the right cylinder 66 ', the piston-type baffle 25' divides the crescent-shaped volume space ³⁰ 'into two parts sealed from each other, and the former part is in a negative pressure state during operation, and passes through the intake port ²⁴ ' The mixed gas is sucked in; the latter part is in a positive pressure state, and the exhaust gas is discharged through the exhaust port ²⁷ '. When the crescent-shaped volume space 30 'completely passes the piston-type baffle 25', the exhaust gas is exhausted, and the mixed gas enters the crescent-shaped volume space 30 '. The crescent-shaped volume spaces are each proportional to the volume of each other's gas storage chambers. This is a parameter for the compression ratio of the engine.

Compression failure

Referring to FIG. 2, the actions in FIG. 2 are performed simultaneously with FIG. 3, and it is assumed that the crescent volume space 30 of the left cylinder ⁶⁶ has entered the mixed gas, and the gas storage chamber 8 stores the compressed gas. The piston-type baffle plate I ³ divides the crescent-shaped volume space 30 into two parts. When it is operated to this position, the compressed gas in the gas storage chamber ⁸ has ignited and expanded, pushing the B] arc surface of the rotor to perform work. mixing the gas in the volume of the crescent-shaped space 30 behind the piston 13 pressed by the baffle nursery arc of 22, compressed air via compressed air introduced into the passage ²⁰ through the passage inlet compressed air outlet passage ', mixing the compressed gas injection the right cylinder gas chamber 8 ', in the 180 ° range of rotation of the rotor, the gas storage chamber ^8' - straight in a sealed state. Seen from FIGS. 2 and 3, when the volume of the crescent space ³⁰ 'of the piston-type shutter ^25' of the lower partition, for exhaust and intake operation, volume of the space ³⁰ in the crescent-shaped baffle I ³ of the piston Work and compression are performed separately. When the spindle turns iso. After that, the roles of the left and right cylinders are interchanged. A key action of the rotary piston engine of this embodiment is the convection of the compressed gas. The convection method is as follows: The crescent-shaped volume space 30 of the left cylinder 66 passes the compressed gas passage outlet 22, the compressed gas passage, and the compressed gas passage inlet 20 'to compress the mixed gas into the gas storage chamber 8' of the right cylinder 66 '; When the operating position is moved by 180, the crescent volume space 30 'of the right cylinder 66' passes through the compressed gas channel outlet 22 ', the compressed gas channel and the compressed gas channel inlet 20, and the mixed gas is compressed and injected into the gas storage chamber 8 of the left cylinder 66. Whenever an air storage chamber is receiving the compressed mixed gas, the air storage chamber is just in a sealed state on the half BI surface of the rotor opposite to it. In the illustrated state, the crescent-shaped volume space 30 of the left cylinder 66 is compressed and worked by the piston-type baffle 13 while supplying the compressed mixed gas into the sealed gas storage chamber 8 ', and At the same time, the crescent-shaped space 30 'of the right cylinder 66' is separated by the piston-type baffle 25 ', and performs exhaust and intake operations. After the axis rotates 180 °, the above roles are reversed. For each 360-degree rotation of the main shaft, each of the two crescent-shaped volume spaces performs a four-stroke-like action of intake, compression, work, and exhaust.

FIG. 4 is a schematic structural diagram of a rotary piston engine according to a second embodiment of the present invention. Its structure is basically the same as that of the rotary-piston engine of the first embodiment, except that the cylinder body of the rotary-piston engine of this embodiment is a monolithic structure, and the rotors in the left and right cylinders are integrally manufactured, and the middle part is a diameter The cylinder having the same diameter as the cylinder plays the role of the intermediate plate 19 in the first embodiment. Therefore, the intermediate cymbal plate in the first embodiment is omitted in this embodiment. The remaining structure and the working principle of this embodiment are completely the same as those of the first embodiment, and will not be repeated here.

5 and 6 are schematic structural diagrams of a rotary piston engine according to a third embodiment of the present invention. The red body structure of the rotary piston engine of this embodiment is similar to that of the first embodiment, and is also a two-part split structure. With the end caps installed at both ends and the intermediate partition provided between the two parts, two left and right sides are formed. 5 and 6, two rotors 109 and 109 'are installed in the left and right cylinders 166 and 166', respectively. The difference is that the cross-sectional shape of the rotors 10 ⁹ and 109 ′ is circular, and the cross-sectional shape of the cylinder is a curved shape formed by joining a semi-circular arc and a curved arc. The curved arc surfaces of the two cylinders are on the same side. The radius of the half 1¾ arc is approximately equal to the radius of the rotor. The arc-shaped curved surface and the arcuate surface of the rotor form a sealed crescent-shaped volume space 130 and 130 ', which are axially on the cylindrical surfaces of the rotors 109 and 109'. is formed with a gas chamber 108 and 108 'are formed respectively in the gas chamber and gas chamber walls 108 and ^108' communicating compressed gas inlet passage 120 and 120 ', the compressed mixed fuel by the compressed air passage 120 And 120 are supplied to the gas storage chambers 108 and 108 '. A piston-type baffle assembly 160 and 160 'is installed radially on the cylindrical surface of the rotor near the gas storage chambers 108 and 108' in the same direction as the rotor rotation direction, A piston-type baffle assembly 161 and 161 'are disposed on the opposite sides thereof, and the two are opposed to each other at an angle of 180 °. The piston-type baffle assemblies 160, 160 ', 161, and 161' of this embodiment have the same structure as the piston-type baffle assemblies of the first and second embodiments, and are also composed of the piston-type baffles 113, 113 ', 125, 125. 'And the return spring 147 provided on the radially inner end of the piston-type baffle, the piston-type baffles 113, 113', 125, 125 'and the return ocean spring 147 are respectively installed on the rotor! The radial opening 141 formed on the cylinder surface In 141 ', 142, 142', the piston-type baffle is pressed against the cylinder wall by means of a return spring, and a crescent seal 129 is arranged at the radially inner end of the baffle to form a sealing contact with the cylinder wall. Compressed gas passage outlets 122 and 122 'are provided on the cylindrical surface of the rotor 181 near the piston baffle assembly 161, 161' in the same direction as the rotor rotation direction, and the compressed mixed gas passes through the compressed gas passage outlets 122 and 122. 'Exit from the crescent-shaped volume spaces 130 and 130'. The compressed gas channel outlets 122 and 122 'communicate with the compressed gas channel inlets 120' and 120, respectively, by means of a compressed gas channel. Mixture gas inlets 124, 124 'and exhaust gas exhaust ports 127, 127' are respectively opened on the gas core wall near the junction of the curved arc and half-B1 arc of the gas core, and the mixed gas inlets 124 and 124 'are located in a crescent-shaped volume. The exhaust gas exhaust ports 127, 127 'of the spaces 130, 130' opposite to the rotor rotation direction are located on the same side of the crescent-shaped volume spaces 130, 130 'with respect to the rotor rotation direction, and at the mixed gas inlet 124, An intake valve and an exhaust valve are respectively provided in 124 'and the exhaust gas exhaust ports 127 and 127'. A spark plug 104 is provided on a cylinder wall near the mixed gas inlets 124 and 124 'in the same direction as the rotor rotation direction. The working principle of the rotary piston engine of this embodiment is described below.

Intake-Exhaust

See Figure 5. In the right air valve 166 ', the gas valve of the mixed gas inlet 124' and the exhaust gas exhaust port I ²⁷ 'is opened, and the crescent-shaped volume space 130' is simultaneously subjected to the intake and exhaust by the piston-type baffle 125 '. In operation, the gas storage chamber 108 'is in a sealed state, and the compressed gas channel inlet 120' is opened to receive the compressed mixed gas in the crescent-shaped volume space 130 to enter.

Compression-failure

Referring to FIG. 6, the actions in FIG. 6 are performed simultaneously with FIG. 5, and it is assumed that the crescent-shaped volume space 130 of the left cylinder I ⁶⁶ has entered the mixed gas, and the gas storage chamber 108 stores the compressed mixed gas. The gas valve of the mixed gas inlet 124 and the exhaust gas exhaust port 127 are closed, the mixed gas in the gas storage chamber 108 is ignited to perform work, and the piston-type baffle 113 is pushed. The compressed gas is compressed and enters the gas storage chamber 108 'of the right cylinder through the compressed gas channel outlet 122, the compressed gas channel, and the compressed gas channel inlet 120'. At this time, the compressed gas storage chamber ¹⁰⁸ of the gas inlet passage 120 in a closed state. The main shaft rotates 180 °, and the roles of the left and right cylinders are interchanged. At 360 °, the two crescent-shaped volume spaces each perform four stroke-like actions: intake, compression, work, and exhaust.

The structure of the rotary piston engine according to the fourth embodiment of the present invention is basically the same as that of Embodiment 3. The difference is that the cylinder body of the rotary piston engine of this embodiment is an integral structure, and the rotors in the left and right cylinders are integrally manufactured. As a whole cylinder, the sampan plate in the third embodiment can be omitted. The other structure and its working principle are completely the same as those in the third embodiment, and details are not described herein again.

The cooling and lubrication of the rotary piston engine according to the present invention will be described below with reference to Figs. As shown in FIG. 1, end cover water jacket covers 55, 55 'are installed between the left and right end covers 10, 10' and the outer end faces of the left and right cylinder bodies 7, 7 ', so that the left and right end covers 10, 10' and the ends The water caps 55 and 55 ′ are formed with a left end cap annular water cap 17 and a right end cap water cap, respectively, and a right cylinder water is also formed in the right cylinder block 7 ′, the middle pan 19 and the left cylinder block 7, respectively. Sleeve, middle pan water jacket and left cylinder water jacket, the right end cover water jacket is divided into two parts of 18 and 57, the right cylinder water jacket is divided into two parts 31 'and 58', and the middle partition water jacket is divided into The two parts of 46 and 45, the left iris water jacket is divided into two parts of 31 and 58, wherein the water jacket parts 57, 58 ', 45, 58 and the water jacket parts 18, 31', 46, 31 are located opposite to each other. Two sets of piston-type baffles on both sides. In addition, an ice inlet and a water outlet are provided on the right end cover 10 ', and the power for water circulation is provided by a water pump.

The icy cycle is as follows:

Right end cover water inlet—right end cover water jacket 57—right carcass water jacket 58'—separator water jacket 45—left cylinder body water jacket 58—left end cover ring water jacket 17 → left carcass water jacket 31 → separator water jacket 46—right cylinder water jacket 31 '—right end cover water jacket 18 → right end cover water outlet.

The cooling of the rotor is achieved by the lubricant passing through the cavity of the rotor. The circulation is as follows: Lubricating oil — Right end cap lubricating oil inlet — Rotor cavity, taking away the heat of the rotor — Left end cap outlet — Oil pipe — Each piston baffle — Oil tank — Oil filter — Oil pipe — Right end oil inlet.

The power for lubricating oil circulation is provided by an impeller (equivalent to an oil pump) in the cavity of the rotor, or another oil pump is required as required.

The engine is lubricated in such a way that the side of the rotor and the bearings are realized by lubricating oil through the cavity of the rotor. The lubrication between the rotor and the radial contact surface of the cylinder can be achieved in two ways. One is through a rotatable lubricating rod on the rotor. The second is that there is a small hole for the lubricant to pass between the piston baffle and the semi-circular seal. The radial contact surface of the rotor and the cylinder is lubricated by means of the lubricant leaking from the small hole. The piston type Lubricant is injected into the radial installation hole of the baffle plate to realize lubrication between the piston-type baffle plate and the hole wall.

In the rotary piston engine of the present invention, the degree of sealing of the engine can be adjusted after the rotor end face is worn. The adjustment method is: left end cover—left rotor—middle partition right rotor —Right end cap, see Figure 1. Therefore, the engine of the present invention is easy to achieve good sealing and prolong the service life of the rotor. The degree of the seal between the rotor arc surface (Examples 1 and 2) or the cylinder wall surface (Examples 3 and 4) and the piston baffle can be adjusted by adjusting the pre-tension force of the reset yellow to ensure the rotor. Good seal between curved surface or cylinder wall and piston baffle.

Since the rotary piston engine of the present invention runs smoothly, the inner wall of the cylinder and the curved surface and the arc surface of the rotor and the piston baffle can be made of abrasion-resistant ceramic materials, which can greatly prolong the life of the engine.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but it should be understood that the present invention is not limited to the above embodiments, but many modifications can be made. For example, for the engines described in the first and second embodiments, the compressed air passage port, the mixed gas inlet, and the exhaust gas exhaust port may not be provided on the peripheral surface of the cylinder, but may be provided on the side end caps or the middle interval of the cylinder block. On the board.

Claims

Claim

1. A rotary piston engine comprising a cylinder block; an end cover mounted on an end surface of the cylinder block and closing the cylinder block; a plurality of intermediate partition plates provided in the cylinder block to divide the cylinder block into a plurality of cylinders; A rotor in each air cylinder; a main shaft, the rotor is mounted on the main shaft and is positioned circumferentially; a spark plug provided on one side of the cylinder block; and an air inlet and an air outlet,

It is characterized in that a sealed space is formed between the rotor arc surface and the cylinder profile, an air storage chamber is formed on the cylinder wall where the spark plug is located, and a compressed gas passage inlet communicating with the air storage chamber is opened at an appropriate position of the cylinder. First and second baffle assemblies are installed on the cylinder wall. The first and second baffle assemblies are spaced apart in the circumferential direction. The inner ends of each baffle assembly are in sealing contact with the rotor and the sealing space is divided in the axial direction. The two parts are sealed and isolated from each other, and can reciprocate linearly under the action of the rotor arc. A compressed gas channel outlet communicating with the sealed space is opened at an appropriate position of the air bladder, and the gas storage chamber and the compressed gas channel outlet are passed respectively. It is located on both sides of the first baffle assembly, the air inlet and exhaust holes are respectively located on both sides of the second baffle assembly, and the compressed air passage inlet of each cylinder is assisted by the compressed air passage and the corresponding compressed air passage. The exit is connected.

2. The rotary piston engine according to claim 1,

It is characterized in that the rotors and the intermediate cymbal are integrally manufactured.

3. The rotary piston engine according to claim 1,

It is characterized in that the carcass is a split structure, and the intermediate partition is installed between the cylinders.

4. The rotary piston engine according to claim 1,

It is characterized in that the baffle assembly is a piston-type structure and includes a piston-type baffle installed in a substantially radial opening formed on the cylinder wall, and a radial outer end is provided with a biasing force applied to it. The spring device is provided with a sealing sheet at its radially inner end.

5. The rotary piston engine according to claim 1,

It is characterized in that the cross-sectional shape of the cylinder is 1¾, the shape of the rotor planting surface is a curved shape formed by the combination of a circular arc and a curved arc, and the radius of the arc K1 is substantially equal to that of the arc. A sealed space is formed between the IS arc surfaces.

6. The rotary piston engine according to claim 5,

It is characterized in that a sealed space is formed in each of the air pockets.

7. The rotary piston engine according to claim 6,

It is characterized in that the number of the cylinders is two, and the sealed spaces in the two air cylinders are opposed to each other at 180 degrees.

8. The rotary piston engine according to claim 5,

It is characterized in that two opposing sealed spaces are formed in each cylinder.

9. The rotary piston engine according to claim 8,

It is characterized in that the number of air radon is two.

10. The rotary piston engine according to claim 1,

It is characterized in that the inlet of the compressed air passage, the outlet of the compressed air passage, the intake hole and the exhaust hole are all opened on the cylinder wall.

11. A rotary piston engine comprising a cylinder block; an end cover mounted on an end face of the cylinder block and closing the cylinder block; a plurality of intermediate partitions arranged in the stern block to divide the cylinder block into a plurality of cylinders; A rotor in each cylinder; a main shaft, the rotor being mounted on the main shaft and positioned circumferentially; a spark plug provided on one side of the cylinder block; and an air inlet and an exhaust hole,

It is characterized in that a sealed space is formed between the arc surface of the rotor and the profile of the cylinder, an air storage chamber is formed on the cylindrical surface of the rotor, and a compressed gas passage inlet communicating with the air storage chamber is formed on the inner wall of the air storage chamber. First and second baffle assemblies are mounted on the surface, the first and second baffle assemblies are spaced apart in the circumferential direction, and the outer ends of each baffle assembly are in sealing contact with the cylinder wall and axially separate the sealing spaces to seal each other In the two isolated parts, each baffle assembly can reciprocate linearly under the action of the cylinder wall surface, and a compressed gas channel outlet communicating with the sealed space is opened at an appropriate position on the rotor cylinder surface, and the gas storage chamber and the compressed gas channel outlet are opened. They are located on both sides of the first baffle assembly, and the air inlet and exhaust holes are opened at appropriate positions of the cylinder and are spaced apart from each other in the circumferential direction. A spark plug is provided near the air inlet. The compressed air passage is in communication with the outlet of the compressed air passage of the corresponding cylinder.

12. The rotary piston engine according to claim 11, It is characterized in that the rotors are integrally manufactured.

13. The rotary piston engine according to claim 11,

It is characterized in that the cylinder block is a split structure, and the intermediate partition plate is installed between the cylinders.

14. The rotary piston engine according to claim 11,

It is characterized in that the baffle assembly is of a piston type structure and includes a piston baffle installed in a substantially radial opening formed on a rotor cylinder surface, and an inner end is provided with an ocean spring that applies a bias thereto. The device is provided with a sealing sheet at its outer end.

15. The rotary piston engine according to claim 11,

It is characterized in that the cross-sectional shape of the cylinder is a curved shape formed by joining arcs and curved arcs, the cross-sectional shape of the rotor is round, and the radius of the garden and the DB arc is approximately equal. A sealed space is formed between the arc surfaces, and the sealed space in each cylinder is located on the same side of the cylinder block.

16. The rotary-piston engine according to claim 15,

It is characterized in that the number of cylinders is two.

17. The rotary piston engine according to claim 15,

It is characterized in that each of the rotors 15] is further provided with third and fourth baffle assemblies, the first and second baffle assemblies are opposed to each other, the third and fourth baffle assemblies are opposed to each other, the second The two sides of the baffle assembly are provided with a gas storage chamber and a compressed gas passage outlet respectively corresponding to the gas storage chamber and the compressed gas passage outlet on both sides of the first baffle assembly, and the corresponding gas storage chamber is formed on the inner wall of the gas storage chamber A connected compressed gas channel inlet, which is in communication with the compressed gas channel outlet of the corresponding cylinder by means of the compressed gas channel.

18. The rotary piston engine according to claim 17,

It is characterized in that the number of cylinders is two.

19-The rotary piston engine according to claim 11,

It is characterized in that the intake hole and exhaust hole are opened on the cylinder wall.