KR20060080838A - Rotary engine - Google Patents

Abstract

The present invention does not have a complicated structure, there is no high output by high-speed rotation, there is no intake and exhaust valve, the efficiency of intake and exhaust is increased, the vibration is reduced, the sliding drive by the surface contact in all sliding parts Thus, the present invention relates to a rotary engine for excellent lubrication and airtightness, and includes a rotor housing (10) having a concentric circular cylinder (11) therein, and a plurality of openings on one side of the rotor housing (10). Serrated by a cover member 20 attached via a fastening member of the cylinder 11 to seal the space of the cylinder 11 and a shaft 31 externally inserted into the center of the cylinder 11 of the rotor housing 10. A rotor 30 having a rotor blade 32 coupled to and rotatably installed in the cylinder 11, and a rotor blade installed in surface contact with an outer circumferential surface of the rotor 30 and integrally formed on an outer circumferential surface of the rotor 30 ( 32 meetings A first valve member 40 elastically supported by a spring 41 on one side so as to partition the suction space and the discharge space of fuel and air while reciprocating by sliding contact by Holes 53 and 54 respectively formed in the outer wall of the cylinder 11 of S) to install the injector 51 for injecting the air mixed with the fuel into the suction space S and the spark plug 52 for igniting the fuel mixture air. And an exhaust port 55 formed in the discharge space D of the cylinder 11 at a position symmetrical with the holes 53 and 54 about the first valve member 40. .

Description

Rotary engine

1 is an exploded perspective view showing a rotary engine according to the first embodiment of the present invention;

2 is a cross-sectional view showing an operating state during compression expansion of a rotary engine according to the first embodiment of the present invention;

3 is a cross-sectional view showing an operating state when exhausting a rotary engine according to the first embodiment of the present invention;

4 is a sectional view showing a rotary engine according to a second embodiment of the present invention;

5 is a cross-sectional view showing that the rotor blades are formed symmetrically with respect to the center point of the rotor according to the second embodiment of the present invention;

6 is a cross-sectional view showing an operating state during compression expansion of a rotary engine according to a third embodiment of the present invention;

7 is a cross-sectional view showing an operating state when exhausting a rotary engine according to a third embodiment of the present invention;

8 is a sectional view showing a rotary engine according to an embodiment of the present invention;

9 is a cross-sectional view of the rotor blades are formed symmetrically with respect to the center point of the rotor according to the embodiment of the present invention,

10 is a cross-sectional view showing that three rotor blades of the rotor in the rotary engine according to the present invention;

11 is a sectional view showing a rotary engine according to a fifth embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10 rotor housing 11 cylinder

20: cover member 30: rotor

31: axis 32: rotor blade

40: first valve member 41: spring

51: injector 52: spark plug

53, 54, 72: hole 55: exhaust port

60: second valve member 61: hinge shaft

62: rounding part 63: locking projection

64: hand spring 71: steam injector

The present invention relates to a rotary engine having a simple structure by causing a rotating shaft to rotate in response to an explosion of a fuel and air mixture.

In general, the internal combustion engine is combusted in the engine and converts the chemical energy of the mixer itself into thermal energy by combustion to directly use the work when the combustion gas expands, such as a piston reciprocating engine, Rotary engines, gas turbine engines, jet engines, etc. are mentioned.

Such internal combustion engines use liquid or gaseous fuels because they burn a mixture of gas in a cylinder or a combustor because the structure is relatively small and the combustion gas itself becomes a working material.

The piston reciprocating engine currently used in most automobiles is a volume type that changes the compression expansion of the mixed gas into work according to the volume change of the cylinder, and a lot of vibration and noise are generated by the vertical reciprocating motion of the piston. Inertia load makes high speed rotation difficult.

In addition, the piston reciprocating engine structurally does not completely discharge the exhaust gas, it is mixed with the intake gas, the combustion efficiency is bad, and the low combustion efficiency also increases the emission of pollutants, and the combustion gas expansion power to the last process There is a problem such that the energy loss increases because it cannot be converted.

On the other hand, the general rotary engine that rotates the rotor by the expansion force of the combustion gas, unlike the piston reciprocating engine does not reciprocate the piston, it is characterized in that vibration and noise is significantly reduced, but the complexity of the structure and fuel consumption Inefficiency, and low power and weak durability has a problem that is difficult to use.

For example, the most representative Wankel engine in a rotary engine is a triangular rotor with four strokes of fuel gas intake, compression, combustion, and exhaust, with an eccentric rotation in an elliptical cylinder. Since the section acting as the reverse torque exists in the triangular rotor, the expansion force cannot all be converted to the one-way torque, and there are problems such as external pressure, friction force, rotor tightness and abrasion resistance applied to the cylinder. There is a problem that is cumbersome and impractical.

Due to the structural complexity of various rotary engines and rotary engines using the rocket propulsion principle, which are invented to compensate for the structural defects of the vankel engine, and problems such as low efficiency of fuel consumption and output and durability, In particular, the contact between the rotor and the cylinder due to the eccentric rotation contains fatal structural defects as the engine due to the rocking line contact, which makes it difficult to maintain airtightness and also has a high failure rate. Auxiliary devices for operating by the structure is complicated and the situation is not practical practical due to problems such as heavy or many failures.

Therefore, the present invention is to solve the above problems, the object of the present invention is that the structure is not complicated, there is no high output, high intake and exhaust valves due to high speed rotation, the efficiency of intake and exhaust is increased, Vibration is reduced, and the sliding drive by the surface contact is made in all sliding parts, to provide a rotary engine for excellent lubrication and airtightness.

Accordingly, in order to achieve the above object, the rotary engine according to the present invention includes a rotor housing in which a cylinder having a concentric circular shape is formed, and a plurality of fastening members are attached to one open side of the rotor housing. And a rotor having a cover member for sealing the space of the cylinder, a rotor having a rotor blade rotatably installed in the cylinder by being serrated coupled to an externally inserted shaft in the center of the cylinder of the rotor housing, and in surface contact with the outer circumferential surface of the rotor. A first valve member installed on the outer circumferential surface of the rotor and elastically supported by a spring on one side to partition the suction space and the discharge space of fuel and air while reciprocating by sliding contact caused by the rotation of the rotor blade integrally formed with the rotor; The cylinder outer wall of the suction space in the cylinder injects air mixed with fuel into the suction space. Characterized in that around the hole, and the first valve member is formed to install a spark plug to ignite the mixture of air and fuel injectors are configured to include an exhaust port formed in the discharge space of the cylinder where the symmetry and said hole.

In addition, the rotary engine according to another embodiment of the present invention is a rotor housing in which a cylinder having a concentric circular shape is formed, and a plurality of fastening members are attached to one opened side of the rotor housing through a space of the cylinder. A rotor having a cover member for sealing the rotor, a rotor having a rotor blade rotatably installed in the cylinder by being serrated coupled to an externally inserted shaft in the center of the cylinder of the rotor housing, and installed in surface contact with an outer circumferential surface of the rotor, A second valve member hinged to a hinge shaft so as to be accommodated in an insertion space of an inner wall of the cylinder by sliding contact of the rotor blade formed integrally with an outer circumferential surface of the cylinder to partition an intake space and a discharge space of fuel and air; Injector for injecting air mixed with fuel into the suction space on the cylinder outer wall of the suction space And a hole formed to install a spark plug for igniting fuel mixed air, and an exhaust port formed in the discharge space of the cylinder at a position symmetrical with the hole about the second valve member.

Hereinafter, the first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing a rotary engine according to the first embodiment of the present invention, Figure 2 is a cross-sectional view showing an operating state during compression expansion of the rotary engine according to the first embodiment of the present invention, Figure 3 It is sectional drawing which shows the operating state at the time of exhaust of the rotary engine which concerns on the 1st Embodiment of this invention.

As shown in the drawings, the rotary engine according to the first embodiment of the present invention, the rotor housing 10 is formed with a cylinder 11 having a concentric circular shape therein, and the opening of the rotor housing 10 The cover member 20 is attached to one side via a plurality of fastening members to seal the space of the cylinder 11, and the shaft 31 is externally inserted into the center of the cylinder 11 of the rotor housing 10. Rotor 30 having a rotor blade 32 rotatably coupled to the cylinder 11 and rotatably installed in the cylinder 11, and installed in surface contact with an outer circumferential surface of the rotor 30, and integrally formed with an outer circumferential surface of the rotor 30. A first valve member 40 elastically supported by a spring 41 on one side to partition the suction space and the discharge space of the fuel and air while reciprocating by the sliding contact by the rotation of the rotor blade 32 formed of Outside the cylinder 11 of the suction space S in the cylinder 11 On the side walls, holes 53 and 54 respectively formed to install an injector 51 for injecting air mixed with fuel into the intake space S and a spark plug 52 for igniting fuel mixed air, and the first valve member And an exhaust port 55 formed in the discharge space D of the cylinder 11 at a position symmetrical with the holes 53 and 54 about the center 40.

The rotor blade 32 has a rounded portion 32a formed so that one side thereof is in sliding contact with one side surface of the first valve member 40, and as in the second embodiment of the present invention shown in FIG. In the space of the cylinder 11, a series of devices including the first valve member 40, the injectors 51 and the spark plugs 52, the holes 53 and 54, and the exhaust port 55 are provided. Also included in the scope of the present invention.

And, as shown in Figure 5, the rotor blades 32 of the rotor 30 is also included in the scope of the present invention symmetrically formed with respect to the center point of the rotor (30).

The device for operating the first valve member 40 may be configured as a device for reciprocating by the rotational operation of the cam shaft instead of the spring, the first valve member 40 detects that the rotor blade 32 is approaching this It may be composed of an electronic device that reciprocates by the operation of the solenoid linked with the detector.

Next, the operation and effects of the first and second embodiments of the present invention will be described. First, the appropriately mixed fuel air is injected into the cylinder 11 through the injector 51, and at the same time, the ignition plug 52 as an ignition device. Ignite the fuel air, the fuel air will explode. That is, this fuel air is a space S formed by the first valve member 40 provided between the rotor blade 32 of the rotor 30 and the exhaust port 55 in the cylinder 11 rotating about the shaft 31. Will explode on combustion. The pressure of the gas due to the explosion acts on one surface of the first valve member 40 and the rotor blade 32 to rotate the rotor 30. As the rotor 30 rotates, the shaft 31 coupled to the center thereof rotates. As the shaft 31 rotates, the suction space S becomes wider and the discharge space D becomes narrower, and the air in the discharge space D is discharged through the exhaust port 55. After the rotary blade 32 discharges air to the exhaust port 55, the rounding portion 32a of the rotary blade 32 is brought into surface contact with the rounding portion of the first valve member 40 to open the first valve member 40. The rotor blade 32 is passed while the spring 41 inserted into one side of the first valve member 40 is pushed into the outer circumferential wall of the cylinder 11, and the injector 51 and the spark plug 52 are inserted. The initial suction space S is formed while passing through the holes 53 and 54. At the same time, the first valve member 40 is placed in surface contact with the outer circumferential surface of the rotor 30 by receiving the spring force of the compressed spring 41 to partition the suction space S and the discharge space D, and the injector The 51 and the spark plug 52 repeat the fuel air and the initial cycle for igniting the same, thereby transmitting power through the shaft 31 while the rotor blades 32 of the rotor 30 rotate.

In the above invention, the compression ratio based on the thermal efficiency calculation is the volume of the space S at the time when fuel injection and ignition were started, and the maximum volume β is the time at which the rotor blade 32 passes through the exhaust port. Is the volume of space S. Therefore, the compression ratio ε = maximum volume / minimum volume = β / α.

And as shown in Fig. 2, the highest and lowest volumes described above are expressed as angles. That is, the minimum volume α is the angle between the position of the shaft and the rotor blades when the fuel is inhaled and the valve member, and the maximum volume β represents the angle between the valve member and the exhaust port and the center of the shaft.

Next, a third embodiment of the present invention will be described with reference to the following drawings. Description of portions overlapping with the first embodiment will be omitted.

6 is a cross-sectional view showing an operating state during compression expansion of a rotary engine according to a third embodiment of the present invention, and FIG. 7 is a cross-sectional view showing an operating state when exhausting a rotary engine according to a third embodiment of the present invention. .

As shown in the drawings, the rotary engine according to the third embodiment of the present invention, the rotor housing 10 is formed with a cylinder 11 having a concentric circular shape therein, and the opening of the rotor housing 10 A cover member 20 attached to one side via a plurality of fastening members to seal the space of the cylinder 11, and a shaft inserted externally from the center to the center of the cylinder 11 of the rotor housing 10 ( 31 and the rotor 30 having a rotor blade 32 rotatably installed in the cylinder 11 and installed in the surface contact with the outer peripheral surface of the rotor 30, the outer peripheral surface of the rotor 30 One side is hinged to the hinge shaft 61 so as to be accommodated in the insertion space 11a of the inner wall of the cylinder 11 by sliding contact by the rotation of the rotor blade 32 formed integrally, so that the fuel and air suction space S and discharge The second valve member 60 which partitions the space D and the cylinder 11 Holes 53 and 54 respectively formed in the cylinder outer wall of the suction space S of the injector 51 for injecting the air mixed with the fuel into the suction space S and the spark plug 52 for igniting the fuel mixture air. ) And an exhaust port 55 formed in the discharge space D of the cylinder 11 at a position symmetrical with the holes 53 and 54 about the second valve member 60.

Here, the rotary blade 32 has a rounded portion (32a) is formed so that the one side is in sliding contact with one side of the second valve member 60, the second valve member in contact with the rotary blade (32) One side of the 60 is concave rounded portion 62 is formed to be in sliding contact with the rounded portion (32a), the second valve member on the outer circumferential surface coupled with the hinge shaft 61 of the second valve The locking projection 63 is formed to prevent the air in the suction space S and the discharge space D from mixing by excessive rotation of the member 60. When the second valve member 60 is not in contact with the rotor blade 32, the locking hole 61a and the second valve member of the hinge shaft 61 are maintained to be in contact with the outer circumferential surface of the rotor 30. The spring spring 64 is inserted into the locking hole 60a of the 60.

As in the embodiment of the present invention illustrated in FIG. 8, the rotor blade 32, the second valve member 60, the injector 51, and the spark plug of the rotor 30 are disposed in the space in the cylinder 11. It is also included in the scope of the present invention that a plurality of devices including a plurality of holes 53 and 54 for mounting 52 and an exhaust port 55 are provided.

And, as shown in Figure 9 and 10, the rotor blades 32 of the rotor 30 are formed in plural at the same angle intervals with respect to the center point of the rotor 30.

Next, the operation and effects of the third and fourth embodiments of the present invention will be described. First, the appropriately mixed fuel air is injected into the cylinder 11 through the injector 51, and at the same time, the ignition plug 52 which is an ignition device. Ignite the fuel air, the fuel air will explode. That is, this fuel air is a space S formed by the second valve member 60 provided between the rotor blade 32 of the rotor 30 and the exhaust port 55 in the cylinder 11 rotating about the shaft 31. Will explode on combustion. The pressure of the gas due to the explosion acts on one surface of the second valve member 60 and the rotor blade 32 to rotate the rotor 30. As the rotor 30 rotates, the shaft 31 coupled to the center thereof rotates. As the shaft 31 rotates, the suction space S becomes wider and the discharge space D becomes narrower, and the air in the discharge space D is discharged through the exhaust port 55. After the rotary blade 32 discharges air to the exhaust port 55, the rounding portion 32a of the rotary blade 32 is in surface contact with the rounding portion 60a of the second valve member 60, and thus the second valve member ( 60 is rotated about the hinge shaft 61 to be accommodated in the insertion space 11a formed inside the outer circumferential wall of the cylinder 11 and the rotor blades 32 pass through the rotor blades 32, which are injectors 51. And the spark plug 52 passes through the holes 53 and 54 into which the spark plug 52 is inserted, thereby forming an initial suction space S. At the same time, the second valve member 60 reversely rotates the second valve member 60 by the force that the spring spring 64 wound between the hinge shaft 61 is unwinding, and the suction space S and The injector 51 and the spark plug 52 are positioned to partition the discharge space D, and the fuel 31 and the initial cycle for igniting the fuel are repeated to rotate the rotor blades 32 of the rotor 30 to rotate the shaft 31. Power is transmitted through.

10 shows that the three rotor blades 32 of the lower 30 are formed to have an angle of 120 degrees to each other.

Here, the output of the rotary engine having two rotary blades 32 outputs four times the output of the rotary engine having one rotary blade 32 when the rotational speed of the engine is the same, as shown in FIG. The output of the rotary engine having three rotor blades 32 represents nine times the power of the case having one rotor blade 32. That is, with two rotor blades, one explosion occurs in the suction spaces of S1 and S2 every 180 degrees of rotation. In the case of having three rotor blades, an explosion occurs in the suction spaces of S1, S2, and S3 every 120 degrees of rotation. On the other hand, the compression ratio which shows fuel efficiency falls. That is, in a rotary engine with one rotor blade, the angle β representing the compression ratio can be made from 330 to 350 degrees. However, for an engine with two rotor blades, this angle is lowered to 180 degrees or less, and 120 degrees for three rotor blades It is because it falls below and the angle (alpha) according to the specification of a valve is almost the same.

Next, a rotary engine according to a fifth embodiment of the present invention will be described with reference to FIG. Description of portions overlapping with the first embodiment will be omitted.

A rotor housing 10 having a concentric circular cylinder 11 formed therein, and a plurality of fastening members are attached to one opened side of the rotor housing 10 through a plurality of fastening members to form a space of the cylinder 11. A rotor blade 32 installed in the cylinder 11 and rotatably coupled to the cover member 20 and a shaft 31 externally inserted into the center of the cylinder 11 of the rotor housing 10 is rotatably installed. The suction of steam while reciprocating by the sliding contact by the rotation of the rotor rotor 30 and the outer peripheral surface of the rotor 30, the rotor blades 32 integrally formed on the outer peripheral surface of the rotor 30 The first valve member 40 elastically supported by a spring 41 on one side to partition the space and the discharge space, and the outer wall of the cylinder 11 of the suction space S in the cylinder 11, the steam is sucked into the suction space ( S) formed to install an injector 71 for steam to be injected into And an exhaust mechanism 55 formed in the discharge space D of the cylinder 11 at a position symmetrical with the hole 72 about the hole 72 and the first valve member 40. .

In the space of the cylinder 11, a series of rotor blades 32, the second valve member 60, the hole 72 for mounting the steam injector 71, and the exhaust port 55 are formed in the space of the cylinder 11; It is also included in the scope of the present invention that a plurality of devices are provided.

Next, the fifth embodiment of the present invention configured as described above shows an example which can be operated not only as an internal combustion engine but also by high pressure steam or compressed air. Referring to the operation and effects of the rotary engine, first, when the high-pressure steam is injected into the cylinder 11 through the steam injector 71, the pressure of the first valve member 40 and the rotor blade ( It acts on one surface of 32 to rotate the rotor 30. As the rotor 30 rotates, the shaft 31 coupled to the center thereof rotates. As the shaft 31 rotates, the suction space S becomes wider and the discharge space D becomes narrower, and the air in the discharge space D is discharged through the exhaust port 55. After the rotary blade 32 discharges air to the exhaust port 55, the rounding portion 32a of the rotary blade 32 is brought into surface contact with the rounding portion of the first valve member 40 to open the first valve member 40. The rotor blade 32 is passed while the spring 41 inserted into one side of the first valve member 40 is pushed into the outer circumferential wall of the cylinder 11, and the steam injector 71 is inserted into the hole 72. While passing through it will form an initial suction space (S). At the same time, the first valve member 40 is placed in surface contact with the outer circumferential surface of the rotor 30 by receiving the elastic force of the compressed spring 41 and is positioned to partition the suction space S and the discharge space D. The cycle of is repeated so that the rotor blades 32 of the rotor 30 rotates to transmit power through the shaft 31.

According to the rotary engine according to the present invention configured as described above, since the structure is not complicated, there is no high power, intake and exhaust valves due to high speed rotation, the efficiency of intake and exhaust is increased, vibration is reduced, and all sliding parts Since the sliding drive by the surface contact is made, there is an effect to ensure excellent lubrication and airtightness.

Claims (11)

A rotor housing 10 having a concentric circular cylinder 11 formed therein, and a plurality of fastening members are attached to one opened side of the rotor housing 10 through a plurality of fastening members to form a space of the cylinder 11. A rotor blade 32 installed in the cylinder 11 and rotatably coupled to the cover member 20 and a shaft 31 externally inserted into the center of the cylinder 11 of the rotor housing 10 is rotatably installed. The fuel and air are reciprocated by the sliding contact by the rotation of the rotary rotor 32 integrally formed on the outer rotor surface of the rotor 30 and the outer peripheral surface of the rotor 30 and integrally formed on the outer peripheral surface of the rotor 30. Mixing with fuel on the first valve member 40 elastically supported by a spring 41 on one side to partition the suction space and the discharge space of the cylinder and the outer wall of the cylinder 11 of the suction space S in the cylinder 11. The fuel and the injector 51 for injecting the compressed air into the suction space S. Holes 53 and 54 respectively formed to install a spark plug 52 for igniting the mixed air, and the cylinder 11 at a position symmetrical with the holes 53 and 54 about the first valve member 40. And an exhaust port 55 formed in the discharge space D of the rotary engine. The rotary engine (32) of claim 1, wherein the rotary blade (32) has a rounding part (32a) formed at one side thereof so that sliding contact with one side of the first valve member (40) is smooth. The hole 53 of claim 1, wherein the rotor blade 32, the first valve member 40, the injector 51, and the spark plug 52 are mounted in a space in the cylinder 11. 54, A rotary engine characterized in that a plurality of series consisting of the exhaust port 55 is provided. A rotor housing 10 having a concentric circular cylinder 11 formed therein, and a plurality of fastening members are attached to one opened side of the rotor housing 10 through a plurality of fastening members to form a space of the cylinder 11. A rotor blade 32 installed in the cylinder 11 so as to be rotatably coupled to the cover member 20 and a shaft 31 inserted into the center of the rotor 11 in the center of the rotor 11. The inner surface of the cylinder 11 by sliding contact due to the rotation of the rotor 30 having an inner side and the outer rotor surface of the rotor 30, the rotor blades 32 integrally formed on the outer peripheral surface of the rotor 30. A second valve member 60 hinged to one of the hinge shafts 61 so as to be accommodated in the insertion space 11a so as to partition an intake space S and a discharge space D of fuel and air, and the cylinder 11. In the cylinder outer wall of the suction space (S) in the (), air mixed with fuel is introduced into the suction space (S) The holes 53 and 54 respectively formed to install the injector 51 and the spark plug 52 to ignite the fuel mixture air; and the holes 53 and 54 around the second valve member 60; And an exhaust port (55) formed in the discharge space (D) of the cylinder (11), which is a symmetrical position. According to claim 4, The rotary blade 32 has a rounded portion (32a) is formed so that one side thereof is in sliding contact with one side of the second valve member 60, the contact with the rotary blade 32 One side of the second valve member (60) is a rotary engine, characterized in that the rounded portion 62 is formed in a concave sliding contact with the rounding portion (32a). 5. The air in the suction space S and the discharge space D is formed on an outer circumferential surface coupled with the hinge shaft 61 of the second valve member 60 by excessive rotation of the second valve member 60. Rotary engine, characterized in that the engaging projection (63) is formed to prevent the mixing. The locking hole 61a of the hinge shaft 61 according to claim 6, wherein the second valve member 60 is kept in contact with the outer circumferential surface of the rotor 30 when the second valve member 60 is not in contact with the rotor blade 32. And a spring that is inserted into the locking hole (60a) of the second valve member (60). 5. The hole 53 according to claim 4, wherein the rotor blade 32 of the rotor 30, the second valve member 60, the injector 51 and the spark plug 52 are mounted in the space in the cylinder 11. 54, A rotary engine characterized in that a plurality of series consisting of the exhaust port 55 is provided. 9. The rotary engine according to claim 3 or 8, wherein the rotor blades (32) of the rotor (30) are formed at equal angles with respect to their center points. A rotor housing 10 having a concentric circular cylinder 11 formed therein, and a plurality of fastening members are attached to one opened side of the rotor housing 10 through a plurality of fastening members to form a space of the cylinder 11. A rotor blade 32 installed in the cylinder 11 and rotatably coupled to the cover member 20 and a shaft 31 externally inserted into the center of the cylinder 11 of the rotor housing 10 is rotatably installed. The suction of steam while reciprocating by the sliding contact by the rotation of the rotor rotor 30 and the outer peripheral surface of the rotor 30, the rotor blades 32 integrally formed on the outer peripheral surface of the rotor 30 The first valve member 40 elastically supported by a spring 41 on one side to partition the space and the discharge space, and the outer wall of the cylinder 11 of the suction space S in the cylinder 11, the steam is sucked into the suction space ( S) formed to install an injector 71 for steam to be injected into And an exhaust port 55 formed in the discharge space D of the cylinder 11 at a position symmetrical with the hole 72 with respect to the hole 72 and the first valve member 40. Rotary engine. 12. The method of claim 10, wherein the space in the cylinder 11, the hole 72 for mounting the rotor blade 32 of the rotor 30, the second valve member 60, the steam injector 71, the exhaust port ( A rotary engine, characterized in that provided with a plurality of series consisting of 55).

Images