KR20090076524A - A swirl occurrence device for combustion gas guide apparatus - Google Patents

Abstract

A swirl generating device for an exhaust gas pipe is provided to prevent the swirl generating device and the exhaust pipe from being separated by including a clip to fix a vane part to the exhaust pipe and fixing the clip with a bolt. A swirl generating device for an exhaust gas pipe comprises: a vane(110) which is formed in a screw shape and is mounted on the inner circumference of the exhaust pipe; and a fixing part(120) fixing the vane on the exhaust pipe. The fixing part comprises: a supporting member(122) which is equipped on the top of vane and is supported to the inner circumference of the exhaust pipe; and a clip(124) formed integrally with the supporting member. The clip is formed in the opposite direction of the vane and a fastener(126) in which a screw hole(126a) is formed is equipped on the top of the clip inside and an anchoring bolt(128) is inserted into the fastener.

Description

A swirl occurrence device for combustion gas guide apparatus

The present invention relates to a vortex generating device for an exhaust port, and more particularly, it is provided in the exhaust port to discharge the flow of exhaust gas discharged from the engine at a high speed to lower the pressure in the pipe, thereby increasing the amount of intake air engine The present invention relates to a vortex generator for an exhaust port, which allows the output of the fuel cell to be improved, reduces the amount of smoke emitted through the complete combustion of the fuel, and conserves fuel.

In general, automobiles are driven by inhaling and compressing a mixer mixed with air at a proper ratio, and then driving the linear motion generated by ignition and expansion through a driving force converted into a rotational motion with torque by using a connecting rod and a crank. It becomes possible.

In addition, exhaust gas generated during the ringing is collected in one place through an exhaust manifold provided in the engine, and then passed through a catalytic converter, and carbon monoxide, hydrocarbons, and nitrogen oxides are purified through a catalyst, and reduced to an exhaust pipe. As the pressure is lowered through a plurality of expansion processes while passing through the muffler provided in the discharge pipe, the pressure is discharged at a pressure almost equal to atmospheric pressure through the exhaust port provided at the end of the discharge pipe.

However, as the exhaust gas passing through the exhaust manifold and the catalytic converter passes through the muffler provided on the discharge pipe, the pressure and the flow rate are lowered to act as the discharge resistance, thereby reducing the output of the engine.

In addition, in the case of the conventional exhaust port, the exhaust gas is stagnated in the exhaust port and the exhaust gas is constantly in the combustion chamber of the internal combustion engine due to the stagnant exhaust gas. There is a problem of this deterioration.

In addition, as the exhaust gas remains, non-combustion is continuously generated by the unburned gas in the combustion chamber of the internal combustion engine, and the exhaust gas is discharged into the air in a state in which the exhaust gas contains a large amount of harmful gases, thereby causing pollution. have.

Accordingly, in order to solve the above problems, conventionally, a structure in which the vortex generating means for generating the vortex when the exhaust gas is discharged is fixed inside the exhaust pipe is provided.

However, such a structure that allows the exhaust gas to form a vortex has a low pressure in the course of passing the exhaust gas combusted in the internal combustion engine through the exhaust manifold provided on the exhaust pipe, the catalytic converter and the muffler, and the exhaust gas is reduced due to the lower pressure. Since the vortex of is weakly formed and the vortex is formed depending on the pressure of the exhaust gas to be discharged, there is a problem in that it is not possible to obtain a great effect to completely discharge the exhaust gas into the air.

Accordingly, Japanese Laid-Open Patent Publication No. 193-187240, "Exhaust Pipe Structure of an Internal Combustion Engine", which is provided in the discharge pipe to allow exhaust gas to be forcibly discharged, is disclosed.

However, this includes a fan having a motor inside the exhaust pipe and discharging the exhaust gas to the outside while rotating by the motor. The motor is provided in the exhaust pipe through which the exhaust gas flows to promote corrosion by the exhaust gas to perform a function. There is a problem that the life of the motor is shortened due to this.

In addition, since the motor is provided inside the exhaust pipe, a wire for applying power to drive the motor is provided. To apply power to the motor using the wire, a hole is formed at a predetermined position of the discharge pipe and the wire is inserted into the exhaust pipe. Since it is necessary to connect to the motor, gas may leak into the hole into which the wire is inserted, and the wire may be damaged by heat generated from exhaust gas.

On the other hand, since the size of the exhaust port varies according to the company producing the vehicle, the type of vehicle, the displacement, and the like, the vehicle is limited to be mounted on the exhaust port of a conventional vehicle, and thus, the cost must be manufactured according to each vehicle type, resulting in economical cost. There is a problem that a lot of this is going to be a cost increase factor.

In addition, when the wing is mounted to the exhaust port and serves as a guide to generate the vortex in the exhaust gas discharged to the outside through the exhaust port is formed integrally with the body, it is not possible to selectively mount the number of wings as needed. There was a problem that the various direction of the exhaust port can not be made.

The present invention has been made in order to solve the above problems, and when the exhaust gas discharged from the engine is discharged into the air through the exhaust pipe and the exhaust port is made individually so that the vortex generated in the exhaust gas discharged through the inside of the exhaust port The purpose of the present invention is to allow users to select and install the number of vortex generators so that they can be applied to an exhaust port having a different diameter size according to the automobile company, the type of vehicle, and the displacement.

In addition, the purpose of forming a separate wing of the vortex generating device as a single and at the same time further comprising a supporting member for supporting the inner peripheral surface of the exhaust port in close contact with the inner circumferential surface of the exhaust port to be securely seated on the inner peripheral surface of the exhaust port .

In addition, the clip is provided so that the wing of the vortex generator can be securely fastened to the exhaust port, and by fixing the clip with a bolt, it is possible to prevent the vortex generator from being released from the exhaust port by vibration generated during the running of the vehicle. Its purpose is to.

In addition, the object of the present invention is to further secure the vortex generator to the exhaust port by providing a band so as to be more firmly fixed when the vortex device is fixed to the exhaust port.

The present invention for achieving the above object is formed in a screw shape is provided with a wing mounted on the inner circumferential surface of the exhaust port, characterized in that consisting of a fixing portion for fastening and fixing the wing to the exhaust port.

Here, the fixing part is provided on the upper portion of the wing is provided with a support member supported on the inner peripheral surface of the exhaust port, characterized in that consisting of a clip formed integrally with the support member.

Further, the clip is formed so as to face the opposite direction to the wing, the upper is provided with a fastener formed with a screw hole on the inside, characterized in that the fixing bolt is screwed to the fastener is provided.

In addition, the fixing part is a fastening groove is formed in the wing, it is formed in a position close to the inner circumferential surface of the exhaust port is characterized in that the fixing part is coupled and fixed.

Here, the fixing portion is provided with a fixing band coupled to the fastening groove of the wing, is formed integrally with the fixing band, is formed to face in the opposite direction of the wing is provided with a fastener formed with a screw hole on the inside And a clip provided with a fixing bolt screwed to the fastener.

And, two or more wings are mounted to the exhaust port.

Here, the fixing band is further provided to support the outside of the clip to prevent the departure from the exhaust port.

Furthermore, the fixing band is characterized in that one or two is provided on either side of the front, rear of the fixing bolt provided in the clip or provided on both sides.

In addition, the fixing band is provided with a ring formed in the "C" shape, the bent member to the outer side is formed at both ends of the open portion of the ring, characterized in that the pressing bolt screwed to the bent member is provided .

In addition, a cover body for covering a predetermined length is provided at an end portion of the outer peripheral surface of the exhaust port, and a fixing band for fixing the cover body is further provided.

Here, the cover body has a large diameter end portion of the exhaust port is formed in the inner space, a plurality of fastening protrusions are formed to face the inner side is formed in the groove on the front of the clip of the fixing portion is fastened to the groove , The other side is characterized in that formed in a small diameter to be fixed in close contact with the outer peripheral surface of the exhaust port.

In addition, the cover body is characterized in that formed in the longitudinal direction of the exhaust port from the center portion of the first cover member and the second cover member fastened in pairs to correspond to the upper and lower.

The vortex generating device for exhaust port according to the present invention as described above is generated separately so that vortex is generated in the exhaust gas discharged through the inside of the exhaust port when the exhaust gas discharged from the engine is discharged into the air through the discharge pipe and the exhaust port By allowing the user to select the number of devices to be mounted, there is an effect that can be applied to all the exhaust vents of different diameter sizes according to the automobile company, type of vehicle, and displacement.

In addition, by forming a separate wing of the vortex generating device formed individually, at the same time there is a further support member for supporting the inner circumferential surface of the exhaust port in close contact with the wing is formed to be securely seated on the inner circumferential surface of the exhaust port.

In addition, the clip is provided so that the wing of the vortex generator can be securely fastened to the exhaust port, and by fixing the clip with a bolt, it is possible to prevent the vortex generator from being released from the exhaust port by vibration generated during the running of the vehicle. It is effective.

In addition, by further providing a band to be more firmly fixed when the vortex generator is fixed to the exhaust port, there is an effect that the vortex generator can be more securely fixed to the exhaust port.

Hereinafter, according to the present invention For exhaust  The vortex generator will be described in detail with reference to the accompanying drawings.

1 is in accordance with the present invention For exhaust  Of vortex generator The first embodiment  Seen Perspective view 2 is in accordance with the present invention For exhaust  Of vortex generator The first embodiment  3 is a front view, according to the present invention For exhaust  Of vortex generator The first embodiment  The side view shown.

Figures 1 to vortex generator of the present invention, as shown in Figure 3 device 100 associated with the speech from the exhaust manifold of an automobile engine exhaust pipe in automobile exhaust port 10 to reduce the noise and harmful gas, the screw-shaped The blade 110 is formed to be mounted and fixed to be in close contact with the inner circumferential surface of the exhaust port 10 , the blade 110 is fixed to the exhaust port 10 by the flow 110 or the like, the wing 110 by the exhaust port 10 The fixing part 120 is provided to prevent the departure from.

Here, the fixing portion of the exhaust port 10 Inner circumference  Is provided between the wings 110 and the wing 110 is secured to the exhaust port 10 safely To be supported  Support member 122 is provided to be able to.

Furthermore, the support member 122 is formed integrally with the wing 110, the exhaust port 10 of On the inner circumference  It is formed in a curve to be firmly adhered to.

In addition, the support member 122 is integrally formed, and the clip 124 is provided to face in the opposite direction in which the wing 110 is formed.

In addition, a fastener 126 having a screw hole 126a formed therein is provided at an upper portion of the clip 124, and the clip 124 is screwed into the fastener 126 so that the clip 124 is an exhaust port 10. A fixing bolt 128 is provided to prevent separation from it.

At this time, the fixing bolt 128 provided in the clip 124 is preferably provided with one, in order to prevent the flow of the wing 110 is firmly used two or more fixing bolts 128 Into the exhaust port (10) To be fixed  It may be.

In addition, the clip 124 is preferably formed to have a length of about 1/2 of the length of the wing 110 so that the support member 122 can be securely fixed to the exhaust port (10).

And, in order to prevent the wing 110 is separated from the exhaust port 10 of the clip 124 From the outside  Fixing band 130 for supporting the pressure is further provided.

Here, the fixing band 130 is formed of a ring 132, One side  Formed into an open "C" shape, and both open sides End Outward  Facing Bending member 134  Formed, said On the bending member 134  The pressure bolt 136 is provided by the pressure bolt 136 Opening  While narrowing the clip 124 From the outside  Since it is pressurized, the vortex generator 100 is firmly fixed to the exhaust port 10.

Furthermore, the fixing band 130 is screwed to the clip 124 Combined  Any of the forward and backward directions based on the fixing bolt 128 One side  Clips (124) On the outer circumference  It may be mounted, the outer peripheral surface of the clip 124 on the basis of the fixing bolt 128 On both sides  You may equip each.

Therefore, the exhaust port by means of the vortex generator 100 to the exhaust port 10, the fixing bolt the fixing band 130, 128 to 2 and fixed to the first exhaust port 10, a drive use when mounted on a by fixing to 10, the exhaust gas discharged by vibration and impact generated during running of the vehicle through, and at the same time the exhaust port 10 is prevented from being separated from the exhaust port 10, the vortex generator 100 By discharging to the outside in the state of generating the vortex it is possible to reduce the exhaust emissions through the complete combustion of the fuel.

In addition, by making the vanes 110 of the vortex generator 100 individually, and mounting the vortex generators 100 produced separately to the exhaust port 10, the exhaust ports 10 of vehicles having different sizes. ) Can be installed by applying.

In addition, when the vortex generator 100 is mounted on the exhaust port 10, the user can select and install the desired number.

Therefore, the exhaust gas discharged through the exhaust port 10 forms a vortex according to the guide of the blade 110 and is discharged to the outside.

Meanwhile, For exhaust  The vortex generator 100 is not limited to the vehicle but is operated using fuel. Generated  It can also be attached to all the exhaust ports which discharge | emit exhaust gas, ie, the gas discharge pipe of the gas discharge pipe briquette stove of a boiler, etc. can be used.

Configured in this way For exhaust  Referring to the action of the vortex generator is as follows.

4 is in accordance with the present invention For exhaust  Of vortex generator First embodiment  It is a figure which shows the state attached to the exhaust port.

As shown in the present invention, the vortex generator 200 of the present invention first places the wing 210 to be fitted inside the exhaust port 10 of the vehicle to which the vortex generator 200 is to be installed, and the clip 124 is the exhaust port 10 of On the outside  The fixing bolt 128 after mounting to be provided To  When the tightening bolt 128 is tightened of the exhaust port 10 On the outer circumference  Closely fixed.

Thus, the number of vortex generators 100 to be mounted by the user to the exhaust port 10 may be mounted.

As an example  If three vortex generators 100 are mounted, the vortex generator 100 is mounted at an angle of about 120 °, so that vortices are generated in the exhaust gas discharged through the exhaust port 10.

Therefore, the vortex generator 100 is individually configured to be mounted according to the size of the exhaust port 10 of the vehicle so that the number of the vortex generators 100 can be installed. It becomes easy to attach to (10).

So by using the fixing bolts 128, the vortex generator 100 in which after the fixing bolt either one direction or the entire, fixed-band 130 to the positive direction and then in the whole, the direction after the 128 secure the using By pressing the outer side of the clip 124, the outer peripheral surface of the exhaust port 10 The clip 124 is more firmly fixed so that the vortex generator 100 is prevented from being separated from the exhaust port 10 by vibration generated by driving of the vehicle .

Thus, in the car engine Generated  The exhaust gas discharged to the outside through the exhaust port 10 is discharged while the vortex is formed by the guide of the blade 110 and the flow rate of the exhaust gas, so that the exhaust gas can flow at a high speed and discharge into the air. In this case, the pressure in the pipe is lowered to increase the amount of intake air, thereby improving the output of the engine, and reducing the exhaust emissions through the complete combustion of the fuel.

5 is an exploded perspective view showing a state in which a cover body is provided outside the exhaust port of the present invention, and FIG. 6 is a cross-sectional view illustrating a state in which the cover body is provided outside the exhaust port of the present invention.

As shown therein, the present invention covers a predetermined length of the outer end of the exhaust port 10, but the cover body 140 is mounted to cover the clip 124 of the fixing part 120 fixed to the exhaust port 10. ) Is provided, and a fixing band 148 for fixing the cover body 140 is provided.

Here, the cover body 140 is formed in a cylindrical shape, the circular end is formed in a large direction of the end of the exhaust port 10 spaced apart from the outer peripheral surface of the exhaust port 10, the space portion 146 is formed, the other The side portion is formed in a small circular shape to be closely fixed to the outer circumferential surface of the exhaust port 10, and is fixed to the exhaust port 10 by a fixing band 148 on the outer circumferential surface.

Further, the cover body 140 includes a first cover member 142 and a second cover member 142a with respect to the center of the cover body 140 so as to be easily installed in the exhaust port 10 having a different size according to the type of vehicle.

In addition, a plurality of fastening protrusions 144 and 144a bent inward are formed on the front surface of the cover body 140 in a large circular direction, and the fastening protrusions 144 and 144a are the clips 124. Grooves 124a are formed in the front of the fastening protrusions 144 and 144a to the grooves 124a.

With respect to the vortex generator for the exhaust port configured as described above, the installation and operation relationship of the exhaust port are made by the same method as the former, and the method and the operation relationship to the exhaust port will be omitted here.

However, the cover body 140 is installed in the exhaust port 10 of the vortex generator 100 after the pair of the clip 124 of the fixing part 120 of the vortex generator 100 is covered The first and second cover members 142 and 142a are positioned above and below the outside of the exhaust port 10, and the fastening protrusions 144 and 144a of the first and second cover members 142 and 142a are disposed above the first and second cover members 142 and 144a. When it is fixed to the groove 124a of the clip 124 and then fixed to the outside of the exhaust port 10 using the fixing band 148, the exhaust port 10 and the first and second cover members 142 and 142a. The space part 146 is formed between ().

At this time, before the cover body 140 is installed in the exhaust port 10, the through hole 12 is formed on the exhaust port 10 positioned in the space 146 of the cover body 140, and then the through hole ( The cover body 140 is mounted so that 12 is located in the space 146.

On the other hand, since the cover body 140 is formed by separating the first and second cover members 142 and 142a, the cover body 140 may be easily installed in the exhaust port 10 having a different size according to the type and the displacement of the vehicle.

That is, when the diameter of the exhaust port 10 is large, the first and second cover members 142 and 142a of the cover body 140 may be mounted after the vortex generator 100 is installed in the exhaust port 10. When the lower portion is positioned while being spaced apart from each other when the first and second cover members 142 and 142a are spaced apart from each other and fixed by using the fixing band 148 in this state, the installation is completed.

On the contrary, when the diameter of the exhaust port 10 is small, the gap between the first and second cover members 142 and 142a is positioned to be narrowed, and when it is fixed by using the fixing band 148 in this state, it is installed. Is completed.

Accordingly, the cover body 140 may be installed at an exhaust port of any vehicle regardless of the size, type, and displacement of the vehicle.

In addition, the fixing band 130 for fixing the clip 124 may be fastened to the outside of the clip 124 as necessary, or may not be installed.

At this time, when the fixing band 130 for fixing the clip 124 is not fastened, the eddy current generating device 100 is supported by the cover body 140.

As such, when the cover body is mounted to cover the vortex generator 100, the exhaust gas discharged through the exhaust port 10 is pivoted to prevent the cover body from flowing back into the wing 110.

That is, the exhaust gas discharged to the outside of the exhaust port 10 flows into the space portion 146 between the outer peripheral surface of the exhaust port 10 and the cover body 140, and the exhaust gas introduced into the space portion 146 is It is supplied to the inside of the exhaust port 10 through the through hole 12 formed in the exhaust port 10 and discharged to the outside at the same time.

At this time, the exhaust gas flowed back to the space portion 146 of the cover body 140 forms a vortex inside the exhaust port 10 and flows into the through hole 12 by the discharge force of the exhaust gas discharged, and again the exhaust port. It is discharged to the outside while being supplied to the inside of (10).

Accordingly, the exhaust gas flows back to continuously burn the combustion gas by the non-combustion gas in the combustion chamber of the engine so that the exhaust gas discharged into the air in a state in which the exhaust gas contains a large amount of harmful gas is completely burned.

7 is an exploded perspective view showing a second embodiment of the vortex generator for the exhaust port according to the present invention, Figure 8 is a front view showing a second embodiment of the vortex generator for exhaust port according to the present invention.

As shown therein, the eddy current generating device of the present invention is closely related to the inner circumferential surface of the exhaust port 10 in the vehicle exhaust port 10 which reduces noise and harmful gases in association with the exhaust pipes delivered from the exhaust manifold of the automobile engine. The wing 210 is provided to be fixed so as to be fixed, the fixing portion 220 for fixing the wing 210 to the exhaust port 10 to prevent the wing 210 from being separated from the exhaust port 10 by flow or the like Is provided.

Here, the wing 210 is formed in a screw shape is formed with a fastening groove 212 so that one side is opened, the fastening groove 212 is close to the inner peripheral surface of the exhaust port 10 when mounted to the exhaust port 10 Formed in position.

In addition, the fixing part 220 is provided with a fixing band 222 is fixed to the coupling groove 212 of the wing 210, the clip 224 is formed to protrude in the opposite direction of the wing 210 It is provided.

Furthermore, a fastener 226 having a screw hole 226a formed therein is provided at an upper portion of the clip 224, and a fixing bolt 228 is screwed to the fastener 226.

At this time, the fixing bolt 228 provided in the clip 224 is preferably provided with one, in order to prevent the flow of the wing 210 is firmly used two or more fixing bolts 228 It can also be fixed to the exhaust port 10.

In addition, the clip 224 is preferably formed to the length of the support member 122 to a length of about 1/2 to the length of the wing 210 so that it can be securely supported fixed to the exhaust port (10).

In addition, in order to prevent the wing 210 from being separated from the exhaust port 10, a fixing band 230 for supporting the pressure on the outer surface of the clip 224 is further provided.

Here, the fixing band 230 is formed of a ring 232, one side is open, a bending member 234 is formed to face the open both ends to the outside, the pressing bolt (234) 236 is provided to press the clip 224 from the outside as the opening is narrowed by the pressure bolt 236, so that the vortex generator 200 is firmly fixed to the exhaust port (10).

Further, the fixing band 230 may be mounted on the outer circumferential surface of the clip 224 in any one of the front and rear directions based on the fixing bolt 228 screwed to the clip 224, the fixing bolt ( 228 may be provided on both sides of the outer circumferential surface of the clip 224.

 Therefore, when the vortex generator 200 is mounted to the exhaust port 10, the fixing bolt 228 is fixed to the primary exhaust port 10 by using the fixing bolt 228, and the exhaust port is secondly used by the fixing band 230. By fixing to 10, the exhaust gas discharged through the exhaust port 10 is prevented while the vortex generating device 200 is prevented from being separated from the exhaust port 10 by an impact such as vibration generated during driving of the vehicle. By discharging to the outside in the state of generating the vortex it is possible to reduce the exhaust emissions through the complete combustion of the fuel.

In addition, the blades 210 of the vortex generator 200 are manufactured individually, and the vortex generators 200 manufactured by the vortex generator 200 are mounted to the exhaust port 10 so that the exhaust ports 10 of vehicles having different sizes are provided. ) Can be installed by applying.

In addition, when the vortex generator 200 is mounted on the exhaust port 10, the user can select and install the desired number.

Therefore, the exhaust gas discharged through the exhaust port 10 forms a vortex according to the guide of the blade 210 and is discharged to the outside.

8 is a view showing a state in which the second embodiment of the vortex generator for the exhaust port according to the present invention is mounted on the exhaust port.

The vortex generator for exhaust port configured as described above and the method and working relationship of the exhaust port are made by the same method as the former, and vortex is generated in the exhaust gas discharged through the exhaust port. And the description of the working relationship will be omitted.

In the above description of the preferred embodiment of the vortex generating device for the exhaust vent according to the present invention, the present invention is not limited to this, and various modifications are carried out within the scope of the claims and the detailed description of the invention and the drawings. It is possible and this also belongs to the present invention.

The present invention relates to a vortex generating device for an exhaust port, and more particularly, is provided in the exhaust port to discharge the flow of the exhaust gas discharged from the engine at a high speed to lower the pressure in the pipe, thereby increasing the amount of intake air to the engine The present invention relates to a vortex generator for an exhaust port, which allows the output of the fuel cell to be improved, reduces the amount of smoke emitted through the complete combustion of the fuel, and conserves fuel.

1 is a perspective view showing a first embodiment of the vortex generator for the exhaust vent according to the present invention.

Figure 2 is a front view showing a first embodiment of the vortex generating device for exhaust port according to the present invention.

Figure 3 is a side view showing a first embodiment of the vortex generator for the exhaust port according to the present invention.

Figure 4 is a view showing a state in which the first embodiment of the vortex generating apparatus for the exhaust port according to the invention mounted on the exhaust port.

Figure 5 is an exploded perspective view showing a state that the cover body is provided on the outside of the exhaust port of the present invention.

Figure 6 is a cross-sectional view showing a state that the cover body is provided on the outside of the exhaust port of the present invention.

Figure 7 is an exploded perspective view showing a second embodiment of the vortex generator for the exhaust port according to the present invention.

8 is a view showing a state in which the second embodiment of the vortex generator for the exhaust port according to the present invention mounted on the exhaust port.

[Description of Symbols for Main Parts of Drawing]

100, 200: vortex generator 110, 210: wing

120, 220: fixed part 122: support member

124, 224: clips 126,226: fasteners

126a, 226a: screw hole 128, 228: fixing bolt

130, 148, 230: fixed band 132, 232: ring

134, 234: bending member 136, 236: pressure bolt

140: cover body 142, 142a: first, second cover member

144, 144a: fastening protrusion 146: space part

Claims (12)

And a wing formed in a screw shape and mounted on an inner circumferential surface of the exhaust port, and comprising a fixing part for fastening and fixing the wing to the exhaust port. The method of claim 1, The fixing part is provided on the upper portion of the wing is provided with a support member which is supported on the inner peripheral surface of the exhaust port, the vortex generating device for the exhaust port, characterized in that consisting of a clip formed integrally with the support member. The method of claim 2, The clip is formed so as to face in the opposite direction to the wing, the upper portion is provided with a fastener formed with a screw hole on the inside, the vortex generating device for the exhaust port, characterized in that provided with a fixing bolt screwed to the fastener. The method of claim 1, The fixing part is a fastening groove is formed in the wing, the vortex generating device for the exhaust port, characterized in that formed in a position proximate to the inner peripheral surface of the exhaust port is fixed to the fixing portion. The method of claim 4, wherein The fixing part is provided with a fixing band coupled to the fastening groove of the wing, is formed integrally with the fixing band, is formed to face in the opposite direction of the wing is provided with a fastener formed with a screw hole on the inside, Vortex generator for exhaust port characterized in that consisting of a clip provided with a fixing bolt screwed to the fastener. The method according to any one of claims 1 to 5, Vortex generator for exhaust port, characterized in that two or more wings are mounted to the exhaust port. The method of claim 6, And a fixing band for supporting the outside of the clip to prevent it from being separated from the exhaust port. The method of claim 7, wherein The fixing band is a vortex generating device for the exhaust port, characterized in that provided with one or two provided on either side of the front, rear of the fixing bolt provided in the clip or provided on both sides. The method according to claim 7 or 8, The fixing band is formed of a "C" -shaped ring, the bent member to the outer side at the open end of the ring is formed, the vortex for the exhaust port, characterized in that the pressing bolt screwed to the bent member is provided Generator. The method of claim 1, And a cover body covering a predetermined length at an end portion of the outer circumferential surface of the exhaust port, and further comprising a fixing band for fixing the cover body. The method of claim 10, The cover body has a larger diameter at the end of the exhaust port, a space portion is formed on the inner side, and a plurality of fastening protrusions are formed to face the inner side, and a groove is formed on the front surface of the clip of the fixing portion, and the other side is fastened to the groove. The side portion is a vortex generating device for exhaust vent, characterized in that formed in a small diameter to be fixed in close contact with the outer peripheral surface of the exhaust port. The method of claim 11, The cover body is a vortex generating device for an exhaust port characterized in that formed in the longitudinal direction of the exhaust port from the center portion of the first cover member and the second cover member fastened in pairs corresponding to the upper and lower parts.

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