KR100931671B1 - An automobile muffler - Google Patents

An automobile muffler Download PDF

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Publication number
KR100931671B1
KR100931671B1 KR1020090042474A KR20090042474A KR100931671B1 KR 100931671 B1 KR100931671 B1 KR 100931671B1 KR 1020090042474 A KR1020090042474 A KR 1020090042474A KR 20090042474 A KR20090042474 A KR 20090042474A KR 100931671 B1 KR100931671 B1 KR 100931671B1
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South Korea
Prior art keywords
pipe
diffusion
tube
exhaust gas
exhaust
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KR1020090042474A
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Korean (ko)
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임준병
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주식회사 준비엘
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Priority to KR1020090042474A priority Critical patent/KR100931671B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/18—Silencing apparatus characterised by method of silencing by using movable parts having rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/12—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

PURPOSE: A muffler of a vehicle increasing generating power is provided to amend the change of exhaust pressure due to difference of static and negative pressure and to increase roadability. CONSTITUTION: A muffler of a vehicle comprises an intake pipe(11), a diffusion pipe(12), an adapter(13) and a noise-absorbing pipe(14). One end of the inlet tube is inserted into the diffusion pipe. A plurality of whirling blades(13a) is attached to the inside of the diffusion pipe. Through holes(14a) are pierced in the noise-absorbing pipe. A cylindrical casing(15) covers the outside the adapter and the noise-absorbing pipe. A variable valve(20) is installed in inner front of the diffusion pipe. The variable valve has a rotary shaft(21) penetrating the diffusion pipe. A valve disc(22) is attached to the rotary shaft of the diffusion pipe. An operation member(23) is formed on tip of the rotary shaft. Two stoppers(24) control the rotation of the operation member and are located around the rotary shaft.

Description

자동차용 소음기{an automobile muffler}Automobile Silencer {an automobile muffler}

본 발명은 자동차용 소음기에 관한 것으로서, 더욱 상세하게는 배기 장치를 통해 배출되는 배기가스의 불규칙한 배기 압력을 보정하여 엔진의 출력을 상승시키는 한편, 피스톤들이 작동할 때 발생되는 정압과 부압의 차이로 인한 배기 압력의 변화를 미세하게 조정하여 차량의 주행성능을 높이고 연료를 절감시켜 줄 수 있도록 한 자동차용 소음기에 관한 것이다.The present invention relates to a vehicle silencer, and more particularly, to correct the irregular exhaust pressure of the exhaust gas discharged through the exhaust device to increase the output of the engine, while the difference between the positive pressure and the negative pressure generated when the pistons are operated. The present invention relates to a vehicle silencer that finely adjusts the change in the exhaust pressure, thereby increasing the driving performance and saving fuel.

일반적으로 차량의 배기 장치는 엔진에 접속된 복수의 분기관들이 하나로 합쳐지는 배기다기관(manifold); 백금, 팔라듐, 로듐 등으로 이루어진 금속 망이 내장되어 일산화탄소(CO), 탄화수소(HC), 질소산화물(NOX) 등을 산화 및 환원시켜 제거하는 촉매 컨버터; 소음을 감소시키고 매연을 정화하는 서브머플러 및 메인 머플러가 관으로 연결된 구성으로 되어 있다.Generally, the exhaust device of a vehicle includes an exhaust manifold in which a plurality of branch pipes connected to an engine are combined into one; A catalytic converter which contains a metal network made of platinum, palladium, rhodium, and the like to oxidize and reduce carbon monoxide (CO), hydrocarbons (HC), nitrogen oxides (NOX) and the like; The sub muffler and main muffler which reduce noise and purify soot are connected by pipe.

그러나, 전술한 배기 장치는 배기다기관을 통해 배출되는 배기가스가 촉매 컨버터를 거치면서 촉매작용이 진행되면 1차 배기 압력이 약화되는 등의 문제점이 있었을 뿐 아니라 배기가스가 머플러들을 통과하면 소음(消音)을 감소시키기 위한 구조에 의하여 배기의 흐름에 대한 저항이 증가되는 것이므로 결국 배기 압력이 더욱 약화되어 엔진의 출력이 현저하게 저하되는 등의 폐단이 발생되었다.However, the above-described exhaust apparatus has a problem that the exhaust gas discharged through the exhaust manifold passes through the catalytic converter and the catalytic action is weakened, and the primary exhaust pressure is weakened. Since the resistance to the flow of the exhaust gas is increased by the structure for reducing), eventually the exhaust pressure is further weakened, resulting in a significant drop in engine output.

또한, 실린더의 내부 피스톤들이 작동되면 많은 수의 흡기 및 배기 밸브들이 여닫힐 때 정압과 부압의 차이로 인하여 배기 압력의 변화가 발생되고, 이러한 배기 압력의 변화는 엔진의 출력을 저하시키는 주요 원인이 되었을 뿐 아니라 엔진의 출력을 감안한 배출장치의 배기 압력을 설정할 때 설계의 균형을 맞추기가 어려웠다.In addition, when the internal pistons of the cylinder are operated, a change in the exhaust pressure occurs due to a difference between the positive pressure and the negative pressure when a large number of intake and exhaust valves are opened and closed, and the change of the exhaust pressure is a major cause of lowering the engine output. In addition, it was difficult to balance the design when setting the exhaust pressure of the exhaust, taking into account the engine output.

이와 같이 배기 압력이 불규칙하여 엔진의 출력이 저하되는 경우에는 차량의 가속장치인 액셀러레이터 [accelerator]를 밟아 분사 노즐로부터 연료를 분사하여 엔진의 회전을 급히 증가시켜야하므로 결국 연료의 사용량이 급격하게 상승되는 등의 폐단이 발생되었다.In this case, when the output of the engine is lowered due to irregular exhaust pressure, the engine's rotation must be rapidly increased by stepping on the accelerator, which is the vehicle's accelerator, to inject fuel from the injection nozzle. Closure of the back occurred.

본 발명은 상기한 문제점을 감안하여 창안한 것으로서, 그 목적은 배기 장치를 통해 배출되는 배기가스의 불규칙한 배기 압력을 보정하여 엔진의 출력을 상승시키는 한편, 피스톤들이 작동할 때 발생되는 정압과 부압의 차이로 인한 배기 압력의 변화를 조정하여 차량의 주행성능을 높이고 연료를 절감시켜 줄 수 있는 자동차용 소음기를 제공함에 있는 것이다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its object is to correct the irregular exhaust pressure of the exhaust gas discharged through the exhaust device to increase the output of the engine, while maintaining the positive and negative pressures generated when the pistons are operated. The purpose of the present invention is to provide a vehicle silencer that can adjust the change in exhaust pressure due to the difference to improve the driving performance of the vehicle and save fuel.

상기한 목적을 달성하기 위한 본 발명의 특징은, 엔진(2)으로부터 배출되는 배기가스를 안내함과 동시에 유입관(11), 확산관(12), 유도관(13) 및 흡음관(14)이 순차적으로 연결되어 구성되며, 상기 유입관(11)의 일단은 확산관(12)의 내측으로 내입되어 구성되고, 상기 유도관(13)의 내측 벽에는 다수개의 와류용 익편(13a)이 나선으로 부착되고, 상기 흡음관(14)에는 통공(14a)들이 줄을 이루어 나선으로 뚫려지며, 상기 유도관(13)과 흡음관(14)의 외부에는 원통형 케이싱(15)이 씌워져 구성되고, 상기 확산관(12) 내측의 유입관(11) 전방에는 가변밸브(20)가 구성되는 자동차용 소음기에 있어서, 상기 가변밸브(20)는 확산관(12)의 내측을 관통되는 회전축(21)이 형성되고, 확산관(12) 내측의 회전축(21)에 밸브디스크(22)가 부착 고정되며, 확산관(12) 외측의 회전축(21) 끝단에는 작동간(23)이 형성되고, 확산관(12) 외측의 회전축(21) 주위에는 작동간(23)의 회전을 제어하는 2개의 스토퍼(24)가 입설되어 소음을 감소시키도록 구성됨을 특징으로 하는 자동차용 소음기에 의하여 달성될 수 있는 것이다.A feature of the present invention for achieving the above object is to guide the exhaust gas discharged from the engine (2) and at the same time the inlet pipe (11), diffusion pipe (12), induction pipe (13) and sound absorption pipe (14) The sequentially connected is configured, one end of the inlet pipe 11 is built into the inside of the diffusion pipe 12, a plurality of vortex blades 13a spiral on the inner wall of the guide pipe 13 Attached to the sound absorbing tube 14, the through-holes 14a are formed in a spiral line, the induction pipe 13 and the outside of the sound absorbing tube 14 is composed of a cylindrical casing 15 is covered, In the silencer for automobiles in which the variable valve 20 is formed in front of the inlet pipe 11 inside the diffusion pipe 12, the variable valve 20 includes a rotation shaft 21 penetrating the inside of the diffusion pipe 12. It is formed, the valve disk 22 is attached and fixed to the rotary shaft 21 inside the diffusion tube 12, the end of the rotary shaft 21 outside the diffusion tube 12 Between the operation 23 is formed, the two stoppers 24 for controlling the rotation of the operation 23 around the rotating shaft 21 outside the diffuser tube 12 is installed to reduce noise It can be achieved by a car silencer.

이상에서 상술한 바와 같은 본 발명은, 배기가스가 유입관(11)을 통해 확산관(12)으로 유입되면 확산관(12)의 가변밸브(20)가 확산관(12)으로 유입되는 배기가스 압력을 조절하고, 배기가스가 유도관(13)으로 유입되면 배기가스가 나선형 익편(10)들 사이를 통과하면서 와류가 발생되어 배기가스의 배출속도가 적절하게 조절하는 것이므로 엔진의 출력을 높여줄 수 있을 뿐 아니라 배기가스에서 발생되는 불규칙한 배기 압력 및 엔진 내의 정압과 부압의 차이로 인하여 발생되는 불규칙한 배기 압력을 미세하게 조정하여 엔진이 최적의 상태에서 가동되도록 하는 것이므로 차량의 주행성능을 최대한 높이고 연료를 절감시켜 줄 수 있는 등의 이점이 있는 것이다.According to the present invention as described above, when the exhaust gas flows into the diffusion pipe 12 through the inlet pipe 11, the variable valve 20 of the diffusion pipe 12 is introduced into the diffusion pipe 12 When the pressure is regulated and the exhaust gas flows into the induction pipe 13, the exhaust gas passes between the spiral blades 10 and vortices are generated to properly regulate the exhaust gas exhaust speed, thereby increasing the engine output. In addition, it is possible to finely adjust the irregular exhaust pressure generated due to the irregular exhaust pressure generated from the exhaust gas and the difference between the static pressure and the negative pressure in the engine so that the engine can be operated in an optimal state, thereby increasing the driving performance of the vehicle as much as possible. There is an advantage such as to reduce the.

이하, 상기한 목적을 달성하기 위한 바람직한 실시예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings a preferred embodiment for achieving the above object is as follows.

도 1 내지는 도 6에서 도시한 바와 같이, 본 발명에 의한 소음기(1)는 엔진(2)으로부터 배출되는 배기가스를 안내함과 동시에 소음을 감소시키도록 구성되어 있다.1 to 6, the silencer 1 according to the present invention is configured to guide the exhaust gas discharged from the engine 2 and to reduce noise at the same time.

물론, 전술한 구성으로 이루어진 소음기(1)는 이미 알려진 공지의 기술사상이다. 그러나, 본 발명에 있어서 가장 중요한 특징은 배기가스의 불규칙한 배기 압력 및 엔진 내의 불규칙한 배기 압력을 조정하여 차량의 주행성능을 높이고 연료를 절감시켜 줄 수 있도록 한 것에 있다.Of course, the silencer 1 made of the above-described configuration is a known art. However, the most important feature of the present invention is to adjust the irregular exhaust pressure of the exhaust gas and the irregular exhaust pressure in the engine to improve the running performance of the vehicle and to save fuel.

즉, 본 발명에 의한 소음기(1)는 유입관(11), 확산관(12), 유도관(13) 및 흡음관(14)이 순차적으로 연결되어 구성되어 있다.That is, in the silencer 1 according to the present invention, the inlet pipe 11, the diffusion pipe 12, the induction pipe 13, and the sound absorption pipe 14 are sequentially connected.

상기 유입관(11)은 일측에 플랜지(11a)를 형성되어 자동차의 배기관(3)에 연결할 수 있게 구성하며, 타측은 상기 확산관(12)의 내측에 내입하여 구성한다.The inlet pipe 11 is formed to be connected to the exhaust pipe (3) of the vehicle by forming a flange (11a) on one side, the other side is configured to be inboard inside the diffusion pipe (12).

상기 확산관(12)의 내측에는 상기 유입관(11)의 전방에 가변밸브(20)를 구성한다.The variable valve 20 is formed in front of the inlet pipe 11 inside the diffusion pipe 12.

상기 유도관(13)은 내측 벽면에 와류용 익편(13a)이 나선으로 다수 개 부착 고정되어 있다.The guide pipe 13 has a plurality of spiral blades 13a attached to the inner wall surface in a spiral manner.

상기 흡음관(14)에는 통공(14a)들이 줄을 이루어 나선으로 뚫려져 있다.The sound absorbing tube 14 is a through-hole (14a) is formed in a line in a spiral.

상기 유도관(13)과 흡음관(14)의 외부에는 원통형 케이싱(15)이 씌워져 고정되어 있다.The outer side of the induction pipe 13 and the sound absorbing pipe 14 is covered with a cylindrical casing 15 is fixed.

상기 가변밸브(20)는 확산관(12)의 내측을 관통하는 회전축(21)을 형성하고 확산관(12) 내측의 회전축(21)에 밸브디스크(22)를 부착 고정하여 밸브디스크(22)의 회동에 따라라 회전축(21)이 회전되게 구성되어 있으며, 확산관(12) 외측의 회전축(21) 끝단에는 작동간(23)을 형성하고, 확산관(12) 외측의 회전축(21) 주위에는 작동간(23)의 회전을 제어하는 2개의 스토퍼(24)를 입설하여 구성한다.The variable valve 20 forms a rotating shaft 21 penetrating the inner side of the diffusion tube 12 and attaches and fixes the valve disk 22 to the rotating shaft 21 inside the diffusion tube 12 to form the valve disk 22. The rotating shaft 21 is configured to rotate in accordance with the rotation of the rotating shaft 21. An end 23 of the rotary shaft 21 outside the diffuser tube 12 is formed at an end thereof, and an operating rod 23 is formed around the rotary tube 21 outside the diffuser tube 12. The two stoppers 24 which control the rotation of the operation | movement 23 are built in and comprised.

전술한 구성으로 이루어진 본 발명은, 배기가스가 유입관(11)을 통해 확산관(12)쪽으로 유입되는 것으로서, 자동차가 고속으로 운전 중에는 배기가스의 압력에 의해 가변밸브(20)가 열려 배기가스가 아무 저항 없이 유도관(13) 쪽으로 유입되고, 저속으로 운전 중에는 배기가스의 압력이 적어 가변밸브(20)가 열리지 않으 므로 배기가스가 가변밸브(20)의 저항을 받아 배기가스가 원활하게 확산관(12)으로 유입되지 않고 유입관(11)과 가변밸브(20)의 사이공간으로 유출되어 확산관(12)에 확산된 후 유도관(13) 쪽으로 유입되는 것이다.According to the present invention having the above-described configuration, the exhaust gas is introduced into the diffusion pipe 12 through the inflow pipe 11, and the variable valve 20 is opened by the exhaust gas pressure while the vehicle is driving at high speed. Flows into the induction pipe 13 without any resistance, and since the variable valve 20 does not open due to the low pressure of the exhaust gas during low speed operation, the exhaust gas is smoothly diffused by the resistance of the variable valve 20. It does not flow into the pipe 12 but flows into the space between the inflow pipe 11 and the variable valve 20 is diffused into the diffusion pipe 12 and then introduced into the induction pipe 13.

이때 가변밸브(20)의 저항을 받은 배기가스는 엔진(2)의 배기가스 압력을 높여주므로 저속 때의 배기가스의 압력을 보정해주는 것이다.At this time, the exhaust gas received the resistance of the variable valve 20 increases the exhaust gas pressure of the engine 2, thereby correcting the pressure of the exhaust gas at a low speed.

상기 가변밸브(20)는 배기가스의 압력에 따라 밸브디스크(22)가 회동하는 것으로서 배기가스의 압력이 크면 밸브디스크(22)의 회동 각이 크고, 배기가스의 압력이 적으면 밸브디스크(22)의 회동 각이 적은 것이다.The variable valve 20 rotates the valve disc 22 according to the pressure of the exhaust gas. If the pressure of the exhaust gas is large, the rotation angle of the valve disc 22 is large, and if the pressure of the exhaust gas is small, the valve disc 22 Is a small rotation angle.

밸브디스크(22)가 회동하면 회전축(21)이 따라 회전하고 회전축(21)의 작동간(23)이 따라 회전하는 것으로서, 작동간(23)이 스토퍼(24)에 걸리어 밸브디스크(22)의 과도한 회동을 제어하는 것이다.When the valve disc 22 rotates, the rotating shaft 21 rotates along and the operating shaft 23 of the rotating shaft 21 rotates accordingly. The operating disk 23 is caught by the stopper 24 and the valve disk 22 is rotated. It is to control the excessive rotation of.

즉, 두 개의 스토퍼(24) 중 하나는 밸브디스크(22)가 과도하게 회전하여 확산관(12)의 내벽에 부딪히는 것을 방지하며, 또 다른 스토퍼(24)는 저속시 밸브디스크(22)가 유입관(11)에 부딪히는 것을 방지하는 것이다.That is, one of the two stoppers 24 prevents the valve disc 22 from excessively rotating and hitting the inner wall of the diffusion pipe 12, while the other stopper 24 prevents the valve disc 22 from flowing at low speed. This is to prevent the tube 11 from hitting.

확산관(12)을 통과한 배기가스는 유도관(13)으로 유입되는 것으로서, 자동차가 고속으로 운행 시에는 배기가스가 유도관(13)의 중앙으로 저항 없이 유출되고, 저속으로 운행 시에는 유도관(13)의 원주를 따라 배기가스가 유출되어 나선형 익편(13a)에 의해 저항을 받으면서 흡음관(14)의 유출되는 것이다.Exhaust gas passing through the diffusion pipe 12 is introduced into the induction pipe 13, and when the vehicle runs at high speed, the exhaust gas flows out without resistance into the center of the induction pipe 13, and when driven at low speed Exhaust gas flows out along the circumference of the tube 13 and is discharged from the sound absorbing tube 14 while being resisted by the spiral blade piece 13a.

이와 같이 가변밸브(20)와 유도관(13)의 익편(13a)에 의해 배기가스의 배출속도가 적절하게 조절되어 엔진의 출력을 높여줄 수 있을 뿐 아니라 배기가스가 유 출되는 과정에서 배기가스에서 발생되는 불규칙한 배기 압력 및 엔진 내의 정압과 부압의 차이로 인하여 발생되는 불규칙한 배기 압력을 미세하게 조정하여 엔진이 최적의 상태에서 가동되도록 하는 것이므로 차량의 주행성능을 최대한 높이고 연료를 절감시켜 줄 수 있는 등의 이점이 있는 것으로서 자동차용 소음기의 대외 경쟁력을 최대한 높여줄 수 있는 것이다.Thus, the exhaust speed of the exhaust gas is properly adjusted by the blade 13a of the variable valve 20 and the induction pipe 13 to increase the output of the engine as well as the exhaust gas in the process of the exhaust gas is discharged It is to finely adjust the irregular exhaust pressure generated by the irregular exhaust pressure generated in the engine and the difference between the static pressure and the negative pressure in the engine so that the engine can be operated in the optimal state, thereby increasing the driving performance of the vehicle as much as possible and saving fuel. As such, it is possible to maximize the external competitiveness of the silencer for automobile.

이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 본 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.

도 1은 본 발명의 일실시예를 예시한 사시도1 is a perspective view illustrating one embodiment of the present invention

도 2는 본 발명의 일실시예를 예시한 단면도2 is a cross-sectional view illustrating an embodiment of the present invention.

도 3은 본 발명의 일실시예를 예시한 유도관 및 흡음관의 사시도3 is a perspective view of an induction tube and a sound absorbing tube illustrating one embodiment of the present invention;

도 4는 도 2의 A-A`선 단면도4 is a cross-sectional view taken along the line A-A 'of FIG.

도 5는 본 발명의 일실시예를 예시한 확산관의 정면도5 is a front view of a diffusion tube illustrating one embodiment of the present invention;

도 6은 본 발명의 사용상태를 예시한 정면도.6 is a front view illustrating a use state of the present invention.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1 : 소음기 2 : 엔진1: silencer 2: engine

3 : 배기관 11 : 유입관3: exhaust pipe 11: inlet pipe

11a : 플랜지 12 :확산관11a: Flange 12: Diffusion tube

13 : 유도관 13a : 익편13: guide tube 13a: wing

14 : 흡음관 14a : 통공14: sound absorption tube 14a: through hole

15 : 케이싱 20 : 가변밸브15 casing 20 variable valve

21 : 회전축 22 : 밸브디스크21: rotating shaft 22: valve disc

23 : 작동간 24 : 스토퍼23: between operation 24: stopper

Claims (2)

삭제delete 엔진(2)으로부터 배출되는 배기가스를 안내함과 동시에 유입관(11), 확산관(12), 유도관(13) 및 흡음관(14)이 순차적으로 연결되어 구성되며, 상기 유입관(11)의 일단은 확산관(12)의 내측으로 내입되어 구성되고, 상기 유도관(13)의 내측 벽에는 다수개의 와류용 익편(13a)이 나선으로 부착되고, 상기 흡음관(14)에는 통공(14a)들이 줄을 이루어 나선으로 뚫려지며, 상기 유도관(13)과 흡음관(14)의 외부에는 원통형 케이싱(15)이 씌워져 구성되고, 상기 확산관(12) 내측의 유입관(11) 전방에는 가변밸브(20)가 구성되는 자동차용 소음기에 있어서,The inlet pipe 11, the diffusion pipe 12, the induction pipe 13, and the sound absorbing pipe 14 are sequentially connected to the exhaust gas discharged from the engine 2. One end of the) is built in to the inside of the diffusion tube 12, a plurality of vortex blade 13a for the vortex is attached to the inner wall of the guide tube 13 in a spiral, and the sound absorbing tube 14 is a through hole ( 14a) are formed in a line and are spirally opened, and a cylindrical casing 15 is covered on the outside of the induction pipe 13 and the sound absorbing pipe 14, and the front of the inlet pipe 11 inside the diffusion pipe 12. In the silencer for automobile is a variable valve 20 is configured, 상기 가변밸브(20)는 확산관(12)의 내측을 관통되는 회전축(21)이 형성되고, 확산관(12) 내측의 회전축(21)에 밸브디스크(22)가 부착 고정되며, 확산관(12) 외측의 회전축(21) 끝단에는 작동간(23)이 형성되고, 확산관(12) 외측의 회전축(21) 주위에는 작동간(23)의 회전을 제어하는 2개의 스토퍼(24)가 입설되어 소음을 감소시키도록 구성됨을 특징으로 하는 자동차용 소음기.The variable valve 20 is formed with a rotating shaft 21 penetrating the inside of the diffusion tube 12, the valve disk 22 is attached and fixed to the rotating shaft 21 inside the diffusion tube 12, the diffusion tube ( 12) An operating rod 23 is formed at the end of the outer rotating shaft 21, and two stoppers 24 are placed around the rotating shaft 21 outside the diffuser tube 12 to control the rotation of the operating shaft 23. Silencer for automobiles, characterized in that it is configured to reduce noise.
KR1020090042474A 2009-05-15 2009-05-15 An automobile muffler KR100931671B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103016123A (en) * 2011-09-19 2013-04-03 蔡明辉 Structure of intelligent control back pressure fuel-saving exhaust pipe
KR101828861B1 (en) * 2017-02-22 2018-02-13 박강철 Exhausted gas combustion device for engine
CN110067625A (en) * 2019-05-30 2019-07-30 广西玉柴机器股份有限公司 A kind of device of quick detection natural gas engine DS NOx Est

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10280939A (en) * 1997-04-07 1998-10-20 Saade:Kk Muffler of internal combustion engine
KR20010001508A (en) * 1999-06-04 2001-01-05 박이식 Prevention apparatus of noise in an air escape of a car
KR200346657Y1 (en) * 2003-11-14 2004-04-03 주식회사 준비엘 an air exhauster for car
KR100516994B1 (en) 2003-05-24 2005-09-27 주식회사다스 Exhaust regulating unit of exhaust system for internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10280939A (en) * 1997-04-07 1998-10-20 Saade:Kk Muffler of internal combustion engine
KR20010001508A (en) * 1999-06-04 2001-01-05 박이식 Prevention apparatus of noise in an air escape of a car
KR100516994B1 (en) 2003-05-24 2005-09-27 주식회사다스 Exhaust regulating unit of exhaust system for internal combustion engine
KR200346657Y1 (en) * 2003-11-14 2004-04-03 주식회사 준비엘 an air exhauster for car

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103016123A (en) * 2011-09-19 2013-04-03 蔡明辉 Structure of intelligent control back pressure fuel-saving exhaust pipe
KR101828861B1 (en) * 2017-02-22 2018-02-13 박강철 Exhausted gas combustion device for engine
WO2018155869A1 (en) * 2017-02-22 2018-08-30 박강철 Afterburner for exhaust gas of engine
CN110067625A (en) * 2019-05-30 2019-07-30 广西玉柴机器股份有限公司 A kind of device of quick detection natural gas engine DS NOx Est

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