JP6751192B1 - Exhaust promotion device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce exhaust resistance of a heat engine and improve sound deadening performance and fuel efficiency. SOLUTION: An exhaust promotion device (1) has a hollow exhaust cooling pipe (3AB) for cooling exhaust by outside air inside an exhaust reservoir (3A) in an exhaust pipe (3), and an upstream front end of the exhaust cooling pipe. An outside air supply pipe (3BB) with both ends open for introducing outside air is attached to the portion, the tip of the outside air supply pipe is provided on the outer peripheral surface of the exhaust reservoir as an outside air supply inlet (3BA), and the downstream rear end of the exhaust cooling pipe is provided. Is provided on the outer peripheral surface of the exhaust reservoir as an outside air exhaust port (3AC). When the vehicle is stopped, the outside air is sucked in from one side of the outside air supply port, and the other side becomes the outside air exhaust port. When the vehicle is running, the supply / exhaust control board operates mechanically and electrically on the other side to serve as the outside air supply port. Install (3BD). [Selection diagram] Fig. 1

Description

The present invention relates to a device that promotes exhaust of a self-moving engine such as an automobile.

Conventionally, there are things similar to the present invention, but these accelerate the exhaust gas to generate a negative pressure, and the exhaust gas is accelerated by the exhaust gas, or the negative pressure is generated by using the outside air, and the negative pressure is used. The structure is such that a part of the exhaust gas is sucked in, and it has not been possible to make full use of both.

JP 2001-234742
Japanese Patent Publication 2005-016499
Japanese Patent Laid-Open No. 05-256140
JP-A-08-74557
JP-A-10-110612
Japanese Patent Laid-Open No. 10-238342

At the specified position of the exhaust pipe of the vehicle's self-moving engine, outside air is used to cool the exhaust gas to reduce the exhaust volume and muffle the explosion noise, accelerate the exhaust gas and generate negative pressure. To improve the fuel efficiency of the self-contained engine by using the engine to suck and discharge the exhaust gas.

Since the structure of the exhaust promotion device (1) cools the exhaust by using the outside air to reduce the exhaust capacity and promote the exhaust, the volume of the exhaust pipe (3) at a predetermined position is arbitrarily increased to form the exhaust reservoir (3A). Then, a hollow outside air inlet pipe (3BB) with both ends opened is attached inside the exhaust reservoir (3A), and the tip of the outside air inlet pipe (3BB) is used as the outside air inlet (3BA) on the outer peripheral surface of the exhaust reservoir (3A). A hollow exhaust cooling pipe (3AB), which is provided with an opening, is provided with the center of the outside air supply pipe (3BB) as the outside air reservoir (3BC), and the downstream side of the center of the outside air reservoir (3BC) is opened and both ends are opened. Installed, the downstream rear end of the exhaust cooling pipe (3AB) is provided as the outside air outlet (3AC) on the outer peripheral surface of the exhaust reservoir (3A), and when the vehicle is stopped, the outside air is taken in from one side of the outside air inlet (3BA). The other side serves as an outside air discharge port (3AC), and a mechanically and electrically operated supply/discharge control plate (3BD) is attached to the other side so that the outside air supply port (3BA) can be used during traveling. To do.

A hollow cover (4) with both ends open at a predetermined distance (4C) from the outer surface of either the exhaust reservoir (3A) or the exhaust pipe (3) upstream or downstream of the exhaust reservoir (3A). These are wrapped, and the upstream tip of the cover (4) is used as the outside air inlet (4A), the downstream end of the cover (4) is used as the outside air outlet (4B), and a predetermined angle or twist is applied within the distance (4C). It is characterized in that a plurality of holding plates (4D) provided with are attached.

It is characterized in that either the exhaust accelerator 1 (5A) or the exhaust accelerator 2 (5B) is provided on either the upstream side or the downstream side of the exhaust reservoir (3A).

An exhaust acceleration device and an exhaust suction device are provided at least either upstream or downstream of the exhaust reservoir (3A).

Exhaust resistance of the heat engine is reduced, exhaust is promoted by cooling, and a sound deadening effect is provided to improve output and fuel efficiency.

FIG. 3 shows a three-dimensional perspective view of the exhaust promotion device (1) of the present invention. The front view of the exhaust gas sump (3A) of the exhaust gas promotion device (1) of this invention is shown. The left side view of the exhaust sump (3A) of the exhaust promotion device (1) of the present invention is shown. The front view of the exhaust gas acceleration device 1 (5A) and the exhaust gas suction device (6A) of the exhaust gas promotion device (1) of the present invention is shown. The front view of the exhaust gas acceleration device 2 (5B) and the exhaust gas suction device 2 (6B) of the exhaust gas promotion device (1) of the present invention is shown. The operation reference diagram of the supply/discharge control plate (3BD) of the exhaust promotion device (1) of the present invention is shown.

INDUSTRIAL APPLICABILITY The present invention can be retrofitted directly to existing equipment regardless of whether it is an internal combustion engine or an external combustion engine, and is small in size, inexpensive, easy to manufacture, and easy to attach to a silencer.

A description of claim 1 will be given. The structure of the exhaust promotion device (1) cools the exhaust gas by using the outside air and increases the volume of the exhaust pipe (3) at a predetermined position to reduce the volume of the exhaust gas and promote the exhaust gas, and thus the exhaust gas reservoir (3A). If a hollow outside air inlet pipe (3BB) with both ends open is provided inside the exhaust gas reservoir (3A) and a plurality of outside air inlet ports (3BA) and outside air inlet pipes (3BB) are provided, when the vehicle is stopped The outside air is supplied only from the outside air inlet (3BA) on the ground side, the outside air inlet (3BA) on the vehicle body side is used as the outside air outlet (3AC), and the outside air inlet (3BA) is used for all traveling. A supply/discharge control plate (3BD) that operates mechanically and electrically is attached to the outside air supply inlet (3BA) on the side.

The tip of the outside air supply pipe (3BB) is provided as an outside air supply inlet (3BA) so as to open to the outer peripheral surface of the exhaust gas reservoir (3A), and the central portion serves as the outside air reservoir (3BC), and the downstream of the central portion of the outside air reservoir (3BC). Attach a hollow exhaust cooling pipe (3AB) that is open at both sides and open at both ends, and sucks outside air into the outside air supply pipe (3BB) and exhaust cooling pipe (3AB) at a predetermined position on the outer circumference of the exhaust reservoir (3A). Provide the required number of outside air inlets (3BA).

The claim 2 will be described. A cover (4) is provided outside the exhaust gas reservoir (3A) at a predetermined distance (4C) so as to wrap the exhaust gas reservoir (3A), and the upstream tip of the cover (4) is used as an outside air inlet (4A). Using the downstream end of (4) as the outside air discharge port (4B), a plurality of holding plates (4D) provided with a predetermined angle or twist are attached within the distance (4C) to promote cooling. A bulge (4E) is given to the surface position of the cover (4) facing the outside air discharge port (3AC) provided near the downstream rear end of the exhaust gas reservoir (3A) to accelerate the flow of outside air and generate a negative pressure. Then, the discharge of the outside air in the exhaust cooling pipe (3AB) is promoted.

The third aspect will be described. An exhaust gas accelerating device 1 (5A) is provided on at least one of the upstream side and the downstream side of the exhaust gas reservoir (3A) to accelerate exhaust gas and directly hit the upstream front surface of the outside air reservoir (3BC).

An exhaust gas suction device 1 (6A) is provided downstream of the exhaust gas accelerating device 1 (5A), and a predetermined interval (6C) is set in order to divide the exhaust gas into the primary and secondary exhausts. Guide the secondary exhaust into the space (6C). The rear end portion is tightly fixed to the exhaust pipe (3). The cross-sectional area of the central part is made smaller than the cross-sectional area of the upstream tip part, and it is narrowed smoothly and narrowed. A large number of exhaust suction holes (6D) are provided in the vicinity of the central part from the upstream of the outer surface to the downstream of the inner surface. The exhaust accelerator 1 (5A) and the secondary exhaust are sucked by the negative pressure generated by the primary exhaust to be further accelerated. The increased exhaust gas hits directly in front of the outside air reservoir (3BC).

The structure of the exhaust accelerating device (1) is such that the volume of a part of the exhaust pipe (3) upstream of the silencer is arbitrarily increased in order to cool the exhaust by using the outside air and reduce the capacity to accelerate the exhaust. To make an exhaust reservoir (3A). The vehicle body side is the upper side and the upper side, and the ground side is the lower side and the lower side, and the required number of outside air supply pipes (3BB) with both ends open are provided in the exhaust gas reservoir (3A). When two are provided, two are provided in the vertical direction, and both ends are provided on the outer peripheral surface near the upstream tip of the exhaust reservoir (3A), one at each of the upper and lower surfaces, and open at two locations to open the outside air inlet ( 3BA).

Regarding the operation of the supply/discharge control plate (3BD). The lower outside air inlet (3BA) is dedicated to the outside air feeding, and the upper outside air inlet (3BA) is also used as the outside air outlet (3AC). In order to achieve the dual function, an opening (3BAC) is provided downstream of the upper outside air inlet (3BA) and a mechanically and electrically operating supply/discharge control plate (3BD) is attached. In order to operate mechanically, a fulcrum orthogonal to the flow of outside air is provided at the upstream end of the open part (3BAC), and it is rocked up and down and back and forth to decenter the weight distribution, and a spring and a weight ( 3BH) to make it heavier and lighter on the downstream side, and a wind pressure plate (3BG) on the most downstream part of the supply/discharge control plate (3BD). The exhaust control plate (3BD) rises to open the open part (3BAC) to become the outside air discharge port (3AC), and the wind pressure plate (3BG) receives wind during traveling to push down the supply/discharge control plate (3BD) to open the open part. (3BAC) is closed to become the outside air inlet (3BA). It is possible to drop a spring or weight (3BH) into the outside air supply pipe (3BB) upstream of the fulcrum when the vehicle is stopped.

As another method of mechanically operating the supply/discharge control plate (3BD), the shape of the supply/discharge control plate (3BD) provided in the opening portion (3BAC) is bulged upward with the upper surface being depressed and the lower surface is recessed. It is made into a wing shape, with the front end as a fulcrum, lift is generated by the outside air flow, and the downstream is swung up and down and back and forth from the fulcrum. When traveling, lift acts on the upper surface and air pressure acts on the lower surface to supply and discharge control plate (3BD ) To close the open portion (3BAC), and when the vehicle is stopped, the lift force does not work and the lift is lowered by the weight of the supply/discharge control plate (3BD), which is the downstream portion of the fulcrum, and the outside air inlet (3BA) is closed and the open portion (3BA) 3BAC) is opened to serve as an outside air discharge port (3AC).

When electrically operating the supply/discharge control plate (3BD), external air is made to act on a speedometer or a Pitot tube, and a sensor or a variable resistor is used to adjust the rotation of an electric motor or the excitation of an electromagnet to operate it.

The central portion where the outside air supply pipes (3BB) are joined is set as the outside air reservoir (3BC), and is placed on the center line of the exhaust reservoir (3A). A predetermined volume is given to the outside air reservoir (3BC), the upstream side of the central portion is smoothed, exhaust is directly hit, and adiabatic expansion is achieved to diffuse it into the exhaust reservoir (3A). A hollow exhaust cooling pipe (3AB), which is open at the downstream side of the center of the outside air reservoir (3BC) and is open at both ends, is attached on the center line.

When a plurality of outside air supply pipes (3BB) are provided, the outside air is supplied from the outside air supply inlet (3BA) on the ground side when the vehicle is stopped, and the outside air supply port (3AC) is provided on the vehicle body side. In order to use the inlet (3BA), an opening (3BAC) is provided immediately downstream of the outside air supply inlet (3BA) on the vehicle body side, and the opening (3BAC) is opened to form an outside air exhaust (3AC). A supply/discharge control plate (3BD) that operates mechanically and electrically is attached to an opening (3BAC) located on the outer surface of the reservoir (3A).

When three outside air inlets (3BA) are provided, they are Y-shaped, the ground side is one, the vehicle body side is two, and the outside air inlet pipe (3BB) is opened on the center line to open the outside air outlet (3AC). ) For common use, the supply/discharge control plate (3BD) is attached to the open portion (3BAC) at two locations, one at a time. When four outside air inlets (3AB) are provided, the outside air inlets (3AB) are formed into an X shape, and the supply/discharge control plate (3BD) is attached to each of the two opening portions (3BAC) on the vehicle body side.

The exhaust cooling pipe (3AB) mounted on the center line of the exhaust reservoir (3A) toward the downstream has a linear or spiral shape, and a connecting cooling plate (3AD) for connecting and holding the inner wall of the exhaust reservoir (3A) is installed. Plural attachments are provided, and a predetermined angle or twist is given to the downstream side of the connection cooling plate (3AD) to swirl the exhaust gas around the outer periphery of the exhaust cooling pipe (3AB) to enhance the cooling effect.

The outside air entering the exhaust cooling pipe (3AB) from each outside air inlet (3BA) through the outside air inlet pipe (3BA) is connected to the downstream portion of the center of the outside air reservoir (3BC) which is the confluence of the outside air inlet pipe (3BB). A return (3BE) is provided at the joint of the exhaust cooling pipe (3AB), and the return (3BE) collides, disturbs, and rotates the outside air in the outside air reservoir (3BC) to increase the residence time, and the inside of the outside air reservoir (3BC). Try to cool the exhaust gas at.

About the cover (4). The cover (4) is provided at a predetermined distance (4C) on the outer peripheral surface of either the exhaust reservoir (3A) or the exhaust pipe (3) upstream and downstream of the exhaust reservoir (3A), and the cover (4) is provided. The upstream tip is used as the outside air inlet (4A), the area of the upstream tip is made wider than the cross-sectional area of the central part to smooth the inflow of outside air, and the downstream rear end of the cover (4) is released to the outside air (4B). As a result, a plurality of holding plates (4D) provided with a predetermined angle or twist are attached within the distance (4C), and the entered outside air is swirled to enhance the cooling capacity.

The inner surface of the cover (3) facing the cover (4) and the outside air discharge port (4B) provided at the downstream rear end of the exhaust reservoir (3A) is inflated to accelerate the flow of outside air and generate a negative pressure. The outside air in the exhaust cooling pipe (3AB) is sucked to promote discharge.

When the cover (4) is not attached to the outer circumference of the exhaust sump (3A) and is provided outside the outer circumference of the exhaust sump (3A), the cover (4) is provided on the outer circumference of the exhaust pipe (3) upstream of the exhaust sump (3A). Alternatively, a cover (4) is provided on the outer circumference of the exhaust pipe (3) downstream of the exhaust reservoir (3A) to prevent the diameter of the device from increasing and to reduce the diameter.

The structure of the exhaust gas accelerating device 1 (5A) is hollow and open at both ends, and the cross-sectional area from the central portion to the rear end portion is narrower and narrower than the upstream end cross-sectional area, and further just downstream of the center line. Attach the same type of object that is larger than the above, and set two pieces as a set. Can be used alone. An exhaust gas accelerating device 1 (5A) and an exhaust gas suction device 1 (6A) are installed upstream of the exhaust gas reservoir (3A), and an exhaust gas accelerating device 2 (5B) and an exhaust gas suction device 2 (6B) are installed downstream of the exhaust gas reservoir (3A). Installation is recommended.

The structure of the exhaust accelerating device 2 (5B) is opposite to that of the exhaust accelerating device 1 (5A), and it is hollow and both ends are open, the upstream tip cross-sectional area is smaller than the rear end part, and it is tapered forward toward the upstream side. It is squeezed, and a large object of the same type is installed directly downstream to form a set of two. It can be used alone.

In order to enhance the cooling efficiency in the exhaust gas reservoir (3A), an exhaust gas accelerating device 1 (5A) is provided upstream of the exhaust gas reservoir (3A) to accelerate the exhaust gas, and an exhaust gas suction device 1 (6A) is provided immediately downstream thereof. , Accelerated exhaust is sent to the narrowed portion to increase the amount of exhausted gas from the exhaust suction hole (6D) in the narrowed portion, and upstream of the outside air reservoir (3BC) which is the confluence of the outside air supply pipe (3BB). Directly hit the front, aiming for adiabatic expansion and cooling.

An exhaust gas suction device 1 (6A) is provided downstream of the exhaust gas accelerating device 1 (5A) to divide the exhaust gas into primary and secondary exhaust gases at the tip end, and by the negative pressure generated by the exhaust gas accelerating device 1 (5A) and the primary exhaust gas. The secondary exhaust gas that has rotated to the outer peripheral side of the exhaust gas suction device 1 (6A) is sucked from the exhaust gas suction hole (6D), and the increased exhaust gas is directly hit on the upstream front face of the outside air reservoir (3BC).

The structure of the exhaust suction device 1 (6A) is provided at a predetermined position of the exhaust pipe (3) with a predetermined space (6C) from the inner surface, and both ends are made hollow so that the cross-sectional area of the upstream end is larger than that of the upstream end. The cross-sectional area of the central part is small and narrow and narrow, and the exhaust gas is diverted at the tip part. The inner surface side is the primary exhaust and the outer surface side is the secondary exhaust, and a large number of exhaust suction holes (6D) of a predetermined size penetrating from the outer peripheral upstream outer surface toward the downstream inner surface are provided, and the exhaust swirl flow plate ( 6E) is fixed to the exhaust pipe, and the exhaust is swirled by twisting or giving a predetermined angle to the rear end. The attachment position of the exhaust suction device 1 (6A) is provided between the exhaust acceleration device (5) and the upstream of the outside air reservoir (3BC).

The rear end of the exhaust suction device 1 (6A) is hermetically fixed to the inner surface of the exhaust pipe (3). At this time, the mounting position is narrowed at an arbitrary angle to facilitate the suction of the secondary exhaust. Then, the hermetically fixed position of the exhaust pipe (3) and the exhaust suction device 1 (6A) is joined to the upstream end of the exhaust reservoir (3A).

The exhaust gas accelerating device 1 (5A) and the exhaust gas suction device 1 (6A) are attached individually or as a set upstream of the exhaust gas reservoir (3A). The exhaust acceleration device 2 (5B) and the exhaust suction device 2 (6B) are attached as a set downstream of the exhaust reservoir (3A) to promote exhaust. If you can do either, install both.

The structure of the exhaust suction device 2 (6B) is provided at a predetermined distance (6C) from the inner surface of the exhaust pipe (3), is hollow, and has an upstream tip cross-sectional area for taking in exhaust gas at a central portion or a rear end portion. It is smaller than the cross-sectional area, is narrowed and narrowed from a predetermined position toward the upstream side, has a plurality of exhaust suction holes (6D) from the inside upstream side to the outside downstream side, and closes the end portion of the inner surface. The exhaust gas is divided into primary and secondary air, the primary exhaust gas is passed into the space (6C), the secondary exhaust gas is guided into the hollow space, and the primary exhaust gas flowing in the space (6C) is accelerated and the negative pressure generated causes the exhaust gas suction device 2 ( The secondary exhaust in 6B) is sucked and exhausted from the plurality of exhaust suction holes (6D).

The exhaust acceleration device 2 (5B) is installed upstream of the exhaust suction device 2 (6B). An exhaust pipe (3) and an exhaust suction device 2 (6B) are fixed in the space (6C) by a holding plate (3BD). The mounting position is downstream of the exhaust reservoir (3A).

The figure will be described. FIG. 1 is an overall three-dimensional perspective view of an exhaust promotion device (1) of the present invention. The left side is upstream and the right side is downstream. This drawing is a reference diagram in which two outside air supply pipes (3BA) are provided vertically with the outside air reservoir (3BC) interposed therebetween. Install it upstream of the silencer.

FIG. 2 shows a front view of the exhaust reservoir (3A) of the exhaust promotion device of the present invention. The left side is upstream and the right side is downstream. The outside air enters from the outside air inlet (3BA), enters the outside air inlet pipe (3BA), and comes to the outside air reservoir (3BC) located on the center line of the exhaust gas reservoir (3A). When the vehicle is stopped, the supply/discharge control plate (3BD) attached to the opening (3BAC) located immediately downstream of the upper outside air supply inlet (3BA) is mechanically and electrically opened to become the outside air discharge outlet (3AC). When the vehicle turns into running, the supply/discharge control plate (3BD) mechanically and electrically closes the outside air outlet (3AC) to become the outside air inlet (3BA).

This figure is a reference diagram of the mechanical operation of the supply/discharge control plate (3BD) when the vehicle is stopped. Opened by a spring or weight (3BH) mechanism, the wind pressure plate (3BG) receives wind when traveling, and the integrated air supply/discharge control plate (3BD) closes the outside air discharge port (3AC) which is the open part (3BAC). And make the outside air inlet (3BA).

When electrically operating the supply/discharge control plate (3BD), magnets are attached to the outside air discharge port (3AC) and the supply/discharge control plate (3BD) at predetermined positions, and electricity is supplied when the vehicle reaches an arbitrary speed. It is excited to operate the supply/discharge control plate (3BD). A speedometer or pitot tube is used to detect when the vehicle is stopped or running.

The outside air that has entered from both the outside air inlet (3BA) is collided and agitated by the return (3BE) provided at the joint between the downstream side of the center of the outside air reservoir (3BC) and the exhaust cooling pipe (3AB), and the exhaust cooling pipe ( 3AB). The exhaust cooling pipe (3AB) may be spiral or linear. Exhaust gas swirls around the outer circumference of the exhaust cooling pipe (3AB) by the cooling plate (3AD) connecting the inner wall of the exhaust gas reservoir (3A) and the exhaust cooling pipe (3AB), and is further cooled, and the rear end portion of the exhaust cooling pipe (3AB) Is discharged from the outside air outlet (3AC) to the outside of the exhaust reservoir (3A).

FIG. 3 shows a left side view of the exhaust gas reservoir (3A) of the exhaust gas promotion device (1) of the present invention. Seen from the flow of exhaust, it is in front. The center is the outside air reservoir (3BC). Exhaust gas collides head-on here, is diffused into the exhaust gas reservoir (3A), and adiabatic expansion is expected. This figure is a reference diagram in which two outside air supply pipes (3BB) are used to form an I shape.

FIG. 4 shows a front view of the exhaust acceleration device 1 (5A) and the exhaust suction device 1 (6A) of the exhaust gas promotion device (1) of the present invention. The left side is upstream and the right side is downstream. The exhaust acceleration device 1 (5A) is attached upstream of the exhaust suction device 1 (6A), fixed to the exhaust pipe with an exhaust swirl flow plate (6E) at a predetermined position, and twisted or given a predetermined angle at the rear end. Swirl the exhaust. This figure shows the exhaust acceleration device 1 (5A) and the exhaust suction device 1 (6A), and is also a reference diagram attached to the exhaust reservoir (3A) downstream for reference.

FIG. 5B shows a front view of the exhaust suction device 2 (6B) and the exhaust acceleration device 2 (5B) of the exhaust promotion device of the present invention. The left side is upstream and the right side is downstream. The exhaust pipe (3) at the mounting position is inflated in parallel with a predetermined thickness, and the exhaust gas accelerating device 2 (5B) is mounted upstream of the tip of the exhaust gas suction device 2 (6B), and the exhaust gas suction device 2 (6B) is installed. At the tip of the, the primary exhaust and the secondary exhaust are separated, and the primary exhaust is introduced into the space (6C) and the secondary exhaust is introduced into the exhaust suction device 2 (6B).

The primary exhaust flowing in the interval (6C) is accelerated, and by the negative pressure generated in the interval (6C) from the plurality of exhaust suction holes (6D) penetrating from the inner surface upstream of the exhaust suction device 2 (6B) to the outer surface downstream. The secondary exhaust is sucked in and the inner rear end is closed to block the exhaust. Then, it is a reference diagram in which the thick exhaust pipe (3) is squeezed from the vicinity of the rear end of the exhaust suction device 2 (6B) to return it to its original thickness, and is connected to the upstream end of the exhaust reservoir (3A).

6 will be described. An open portion (3BAC) that opens to the outside is provided downstream of the outside air supply inlet (3BA) on the vehicle body side, and a wing-shaped supply/discharge control plate (3BD) having a fulcrum at the front end of the open portion (3BAC). ) Is attached and rocked back and forth, and when the vehicle is stopped, the supply/discharge control plate (3BD) is lowered by its own weight to open the opening (3BAC) to become the outside air discharge port (3AC). It is pushed up by the air pressure from the inlet (3BA), and when it stops horizontally, it is kept horizontal by the lift generated by the outside air flow, and the opening (3BAC) is closed to function as the outside air inlet (3BA). Then, in order to prevent abnormal vibration during operation of the supply/discharge control plate (3BD), the downstream end of the opening portion (3BAC) is appropriately protruded, and the rear end of the supply/discharge control plate (3BD) is opened ( 3BAC) to prevent it from protruding to prevent abnormal vibration.

General-purpose prime movers for ships, power generation, industrial use, automobiles, etc.

1 Exhaust promotion device
3 exhaust pipe
3A exhaust stack
3AB exhaust cooling pipe
3AC Outside air outlet
3BA Outside air inlet
3BAC open part
3BB Outside air supply pipe
3BC Outside air reservoir
3BD supply/discharge control plate
3AD connection cooling plate
3BE return
3BG wind plate
3BH springs and weights
4 cover
4A Outside air inlet
4B Outside air outlet
4C distance
4D holding plate
4E bulge
5A Exhaust accelerator 1
5B Exhaust Accelerator 2"
6A Exhaust suction device 1
6B Exhaust suction device 2
6C interval
6D exhaust suction hole
6E Exhaust swirl flow plate

Claims (3)

Since the structure of the exhaust promotion device uses the outside air to cool the exhaust and reduces the exhaust capacity to promote exhaust,
By increasing the volume of the predetermined position of the exhaust pipe and an exhaust reservoir, attaching the hollow of the outside air supply pipe which opens at both ends in the interior of the exhaust reservoir, the both ends of the outside air supply pipe to the external air supply inlet, the exhaust Kitamari Opened on the outer peripheral surface,
When the vehicle is stopped, from one side of the external air supply inlet to suck the outside air and the other side to the outer air discharge port, for all the external air supply inlet when the run line, in the vicinity of the other side in, opening upward release A mechanical exhaust control plate that operates mechanically and electrically is attached to the central part, and the center of the outside air supply pipe serves as the outside air reservoir, and a hollow exhaust cooling pipe with both ends open with the downstream side of the center of the outside air reservoir open. An exhaust promotion device, characterized in that it is provided on the outer peripheral surface of an exhaust reservoir, with the downstream rear end of the exhaust cooling pipe being used as an outside air outlet.

The exhaust reservoir and the exhaust pipe located upstream or downstream of the exhaust reservoir are wrapped with a hollow cover whose both ends are open at a predetermined distance from the outer surface of the exhaust pipe, and the upstream end of the cover is used as the outside air inlet. The exhaust promotion device according to claim 1, wherein a plurality of holding plates provided with a predetermined angle or twist are attached within a distance with the downstream end of the cover as an outside air discharge port. The exhaust acceleration device according to claim 1, wherein an exhaust acceleration device and an exhaust suction device are provided on at least one of the upstream side and the downstream side of the exhaust gas reservoir.