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WO2013125764A1 - Structure de tuyau arrière d'échappement de silencieux - Google Patents

Structure de tuyau arrière d'échappement de silencieux Download PDF

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Publication number
WO2013125764A1
WO2013125764A1 PCT/KR2012/009179 KR2012009179W WO2013125764A1 WO 2013125764 A1 WO2013125764 A1 WO 2013125764A1 KR 2012009179 W KR2012009179 W KR 2012009179W WO 2013125764 A1 WO2013125764 A1 WO 2013125764A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe member
pipe
discharge space
cap
circumferential surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2012/009179
Other languages
English (en)
Korean (ko)
Inventor
강종화
박진용
박희현
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sejong Industrial Co Ltd
Original Assignee
Sejong Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sejong Industrial Co Ltd filed Critical Sejong Industrial Co Ltd
Publication of WO2013125764A1 publication Critical patent/WO2013125764A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the exhaust gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/20—Exhaust or silencing apparatus characterised by constructional features having flared outlets, e.g. of fish-tail shape
    • 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
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/08—Other arrangements or adaptations of exhaust conduits

Definitions

  • the present invention relates to a silencer, and more particularly to a silencer tail pipe structure that can extend the exhaust path of the exhaust gas while occupying a smaller space in the silencer.
  • an exhaust system mounted on a vehicle is disposed on the floor of the floor of the vehicle to remove noise and impurities of various exhaust gases generated in the engine and to discharge them to the outside, and includes an exhaust manifold connected to the cylinder head of the engine, One or more silencers that reduce noise by imparting flow resistance to the exhaust gas discharged from the engine, and carbon dioxide, water, and nitrogen that are harmless to human body by oxidizing and reducing hydrocarbons, carbon monoxide, and nitrogen oxides, which are harmful substances in the exhaust gas. And a catalytic converter for converting to oxygen or the like.
  • the muffler is composed of a casing, a plurality of baffles provided to partition a plurality of spaces in the casing, an inlet pipe for introducing exhaust gas into the casing, and a tail pipe for exhausting the exhaust gas to the outside of the casing.
  • long tail pipe long tail pipe
  • short tail pipe short tail pipe
  • the casing of the silencer Since there is a limit in extending the length of the tail pipe as it has a limited internal space therein, the inner space of the silencer is maximized by using a "U" shaped tube and a chamber to extend the length of the tail pipe in the casing of the silencer. It has been configured to utilize.
  • the present invention has been made in view of the above, and the object of the present invention is to provide a tail pipe structure for a silencer that can be easily installed and assembled in a narrow internal space of the silencer and can greatly extend the discharge path of the tail pipe. There is this.
  • Tail pipe structure for silencer according to the present invention for achieving the above object
  • a first pipe member disposed in the casing of the muffler
  • a second pipe member disposed in the inner diameter direction of the first pipe member
  • a third pipe member disposed inside the second pipe member to be spaced apart in the inner diameter direction and having a discharge opening that is opened to the outside of the casing of the silencer.
  • the first pipe member, the second pipe member, and the third pipe member are arranged in a concentric circle structure having the same axis,
  • a first discharge space is formed between the inner circumferential surface of the first pipe member and the outer circumferential surface of the second pipe member, and a second discharge space is formed between the inner circumferential surface of the second pipe member and the outer circumferential surface of the third pipe member.
  • a third discharge space is formed inside the third pipe member,
  • the exhaust gas is discharged to the outside through the discharge opening of the third pipe member after passing through the first discharge space, the second discharge space, the third discharge space in order.
  • the cross-sectional area of the first discharge space, the cross-sectional area of the second discharge space, and the cross-sectional area of the third discharge space are the same.
  • One end of the first pipe member is closed by a first cap, and the other end of the first pipe member is opened into the casing of the silencer.
  • One end of the second pipe member is positioned to be spaced apart in the longitudinal direction with respect to one end of the third pipe member, the other end of the second pipe member is closed by a second cap,
  • One end of the third pipe member is formed with a discharge opening that is open toward the outside of the muffler, the other end of the third pipe member is characterized in that the opening in the second pipe member.
  • the first cap has a through hole through which the third pipe member penetrates at a central portion thereof, and an inner circumferential edge of the through hole of the first cap is coupled to an outer circumferential surface of the third pipe member, and an outer circumferential edge of the first cap is It is characterized in that coupled to the one end edge of the first pipe member.
  • the second cap is formed in a cross-sectional structure having a symmetric semicircle as its center portion is recessed inward, and the outer circumferential edge of the second cap is coupled to the other end edge of the second pipe member.
  • At least one first coupling rib protrudes in an inner diameter direction at the other end of the first pipe member, and a cross section of the first coupling rib is coupled to an outer circumferential surface of the second pipe member, and one at one end of the second pipe member.
  • the second coupling ribs protrude in the inner diameter direction, and a cross section of the second coupling ribs is coupled to an outer circumferential surface of the third pipe member.
  • the first pipe member, the second pipe member, and the third pipe member are arranged in a concentric circle structure, and the plurality of discharge spaces between the first pipe member, the second pipe member, and the third pipe member are S-shaped.
  • the discharge path structure is formed, the discharge path is greatly extended in the narrow internal space of the silencer, and there is an advantage in that the assembly and installation are very easy.
  • FIG. 1 is a cross-sectional view illustrating a state in which a tailpipe structure for a silencer is installed in a silencer according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing a tail pipe structure for a silencer according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line A-A of FIG.
  • Figure 4 is a perspective view showing the tail pipe structure for the silencer according to an embodiment of the present invention.
  • FIG. 5 is an exploded perspective view showing a tail pipe structure for a silencer according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4.
  • FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4.
  • 1 to 7 is a view showing the tail pipe structure for the silencer according to an embodiment of the present invention.
  • the silencer 10 includes a casing 11, a plurality of baffles 14 and 15 and casings installed to form a plurality of compartments 11a, 11b and 11c in the casing 11. And an inlet pipe 20 for introducing exhaust gas into the inside of the 11 and a tail pipe structure 100 for discharging the exhaust gas to the outside of the casing 11.
  • the inlet pipe 20 is installed to be introduced into the casing 11 from the front surface 12 side of the casing 11, and the inlet pipe 20 is installed through the plurality of baffles 14 and 15.
  • the tail pipe structure 100 is installed to be introduced into the casing 11 from the rear surface 13 side of the casing 11, and the tail pipe structure 100 is installed through the plurality of baffles 14 and 15. .
  • the tail pipe structure 100 includes a first pipe member 110, a second pipe member 120, and a third pipe member 130.
  • the first pipe member 110, the second pipe member 120, and the third pipe member 130 are disposed to be radially spaced apart. As shown in FIG. 3, the first pipe member 110, the second pipe member 120, and the third pipe member 130 are arranged in a concentric circle structure having the same axis.
  • the exhaust gas passes through the first discharge space 161, the second discharge space 162, and the third discharge space 163 along the arrows K1, K2, and K3 in FIG. 1 and FIG. It is discharged to the outside through the discharge opening 133 of the pipe member 130.
  • the cross-sectional area of the first discharge space 161, the cross-sectional area of the second discharge space 162, and the cross-sectional area of the third discharge space 163 are formed to be the same, the exhaust gas can be smoothly distributed.
  • the first pipe member 110 is installed through the baffles 14 and 15 of the muffler 10, and one end 111 of the first pipe member 110 is provided with the second and third pipe members 120 and 130. Are arranged adjacent to one ends of the.
  • a first cap 140 is installed at one end 111 of the first pipe member 110, and the other end 112 of the first pipe member 110 is an inner space of the casing 11 of the silencer 10. Open.
  • the first cap 140 is installed to close one end 111 of the first pipe member 110, and a through hole 141 through which the third pipe member 130 penetrates to the center of the first cap 140. Is formed, the inner circumferential edge of the through hole 141 of the first cap 140 is coupled to the outer circumferential surface of the third pipe member 130 by welding, etc., the outer circumferential edge 142 of the first cap 140 is made of It is coupled to the edge of one end 131 of the three-pipe member 130 by welding or the like.
  • first coupling ribs 115 protrude in the inner diameter direction, the cross section of the first coupling ribs 115 ( 115a) is coupled to the outer circumferential surface of the second pipe member 120 by welding or the like.
  • first coupling rib 115 the first pipe member 110 may be disposed at regular intervals in the radial direction on the outer side of the second pipe member 120.
  • the diameter of the second pipe member 120 is formed smaller than the diameter of the first pipe member 110, the second pipe member 120 is disposed to be spaced in the inner diameter direction inside the first pipe member 110. Accordingly, the second pipe member 120 is disposed in the inner side of the first pipe member 110 with a uniform radial gap, and thus the inner circumferential surface of the first pipe member 110 and the second pipe member 120 are disposed.
  • the first discharge space 161 is formed between the outer peripheral surface.
  • One end 121 of the second pipe member 120 is positioned to be spaced apart in the longitudinal direction with respect to the one end 111 and the first cap 140 of the first pipe member 110, thereby the second pipe member 120 One end of the) is opened in the first pipe member 110.
  • the second cap 150 is installed at the other end 122 of the second pipe member 120, the other end 122 of the second pipe member 120 is closed.
  • the second cap 150 is formed in a cross-sectional structure having a symmetric semicircle as the central portion 151 is recessed inward, and the outer circumferential edge 152 of the second cap 150 is formed of the second pipe member 120.
  • the other end 122 is coupled to the edge.
  • At least one second coupling rib 125 protrudes in the inner diameter direction at one end 121 of the second pipe member 120, and an end surface of the second coupling rib 125 is formed.
  • 125a) is coupled to the outer circumferential surface of the third pipe member 130 by welding or the like.
  • the second coupling rib 125 the second pipe member 120 may be disposed at regular intervals in the radial direction on the outer side of the third pipe member 130.
  • the diameter of the third pipe member 130 is formed smaller than the diameter of the second pipe member 120, so that the third pipe member 130 is spaced apart in the inner diameter direction in the inner side of the second pipe member 120. . Accordingly, the third pipe member 130 is disposed in the inner space of the second pipe member 120 with a uniform radial gap, and thus the inner circumferential surface of the second pipe member 120 and the third pipe member 130 are disposed.
  • the second discharge space 162 is formed between the outer peripheral surface.
  • a discharge opening 133 is opened at one end 131 of the third pipe member 130 toward the outside of the muffler 10, and the other end 132 of the third pipe member 130 has a second cap. Adjacent to the inner side of 150.
  • Exhaust gas passes through the first discharge space 161 in the direction of the arrow K1 through the other end 112 of the first pipe member 110, and the second pipe member 120 in the first discharge space 161. Passing through the second discharge space 162 along the direction of the arrow K2 through one end 121, the arrow K3 direction through the other end 132 of the third pipe member 130 in the second discharge space 162. Therefore, after passing through the third discharge space 163 is discharged to the outside through the discharge opening 133 of the third pipe member 130.
  • the first pipe member 110, the second pipe member 120, the third pipe member 130 is arranged in a concentric circle structure, the first pipe member 110, the second pipe member ( 120, as the plurality of discharge spaces (161, 162, 163) between the third pipe member 130 to form an S-shaped discharge path structure significantly extends the discharge path in the narrow inner space of the silencer, It is very easy to assemble and install.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
PCT/KR2012/009179 2012-02-24 2012-11-02 Structure de tuyau arrière d'échappement de silencieux Ceased WO2013125764A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0018948 2012-02-24
KR1020120018948A KR101315266B1 (ko) 2012-02-24 2012-02-24 소음기용 테일파이프구조

Publications (1)

Publication Number Publication Date
WO2013125764A1 true WO2013125764A1 (fr) 2013-08-29

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ID=49005919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/009179 Ceased WO2013125764A1 (fr) 2012-02-24 2012-11-02 Structure de tuyau arrière d'échappement de silencieux

Country Status (2)

Country Link
KR (1) KR101315266B1 (fr)
WO (1) WO2013125764A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3059407A1 (fr) * 2015-02-23 2016-08-24 Honda Motor Co., Ltd. Silencieux d'échappement
EP3173595A1 (fr) * 2015-11-30 2017-05-31 Eberspächer Exhaust Technology GmbH & Co. KG Silencieur
US11391195B2 (en) 2019-06-19 2022-07-19 Tenneco Automotive Operating Company Inc. Exhaust system and muffler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004011447A (ja) * 2002-06-04 2004-01-15 Kawasaki Heavy Ind Ltd エンジン用マフラおよび自動二輪車
KR20080025995A (ko) * 2006-09-19 2008-03-24 기아자동차주식회사 파이프 길이 조정형 머플러
WO2011080793A1 (fr) * 2009-12-28 2011-07-07 トヨタ自動車株式会社 Dispositif d'échappement pour moteur à combustion interne
JP2011169323A (ja) * 2010-02-18 2011-09-01 J Eberspecher Gmbh & Co Kg 消音器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004011447A (ja) * 2002-06-04 2004-01-15 Kawasaki Heavy Ind Ltd エンジン用マフラおよび自動二輪車
KR20080025995A (ko) * 2006-09-19 2008-03-24 기아자동차주식회사 파이프 길이 조정형 머플러
WO2011080793A1 (fr) * 2009-12-28 2011-07-07 トヨタ自動車株式会社 Dispositif d'échappement pour moteur à combustion interne
JP2011169323A (ja) * 2010-02-18 2011-09-01 J Eberspecher Gmbh & Co Kg 消音器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3059407A1 (fr) * 2015-02-23 2016-08-24 Honda Motor Co., Ltd. Silencieux d'échappement
EP3173595A1 (fr) * 2015-11-30 2017-05-31 Eberspächer Exhaust Technology GmbH & Co. KG Silencieur
CN107035462A (zh) * 2015-11-30 2017-08-11 埃贝斯佩歇废气技术合资公司 消音器
CN107035462B (zh) * 2015-11-30 2020-01-31 埃贝斯佩歇废气技术合资公司 消音器
US11391195B2 (en) 2019-06-19 2022-07-19 Tenneco Automotive Operating Company Inc. Exhaust system and muffler

Also Published As

Publication number Publication date
KR101315266B1 (ko) 2013-10-08
KR20130097354A (ko) 2013-09-03

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