JP7056490B2 - 車両用マフラ - Google Patents
車両用マフラ Download PDFInfo
- Publication number
- JP7056490B2 JP7056490B2 JP2018181719A JP2018181719A JP7056490B2 JP 7056490 B2 JP7056490 B2 JP 7056490B2 JP 2018181719 A JP2018181719 A JP 2018181719A JP 2018181719 A JP2018181719 A JP 2018181719A JP 7056490 B2 JP7056490 B2 JP 7056490B2
- Authority
- JP
- Japan
- Prior art keywords
- expansion chamber
- inlet pipe
- end plate
- center
- top 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.)
- Active
Links
Images
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
-
- 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
- F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
-
- 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- 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 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
- 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
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
-
- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/20—Exhaust treating devices having provisions not otherwise provided for for heat or sound protection, e.g. using a shield or specially shaped outer surface of exhaust device
-
- 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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
Claims (3)
- インレットパイプから流入した排ガスを拡張する拡張室と、
前記インレットパイプの前記拡張室の内部への吹出口と対向するように前記拡張室の内面に配置され、前記インレットパイプの側に向かって突出する山形のブラケットと、を備える車両用マフラであって、
前記拡張室は、筒部と、前記筒部の両端に取り付けられるエンドプレートとで構成され、
前記インレットパイプは一方のエンドプレートの中央から外周側にオフセットした位置に接続されており、
前記ブラケットは、前記インレットパイプの前記吹出口に対向する頂面と、前記頂面から前記拡張室の隅に向かって傾斜する傾斜面と、を含む山形の板状部材であり、裾部が他方のエンドプレートの内面に取り付けられており、
前記頂面は、前記インレットパイプの前記吹出口に対向するように他方のエンドプレートの中央から外周側にオフセットした位置に配置され、
前記傾斜面は、前記頂面から他方のエンドプレートの中央に向かって延びる中央側傾斜面と、前記頂面から他方のエンドプレートの外周に向かって延びる外周側傾斜面とを備え、
前記中央側傾斜面は、前記外周側傾斜面よりも傾斜角度が小さいこと、
を特徴とする車両用マフラ。 - 請求項1に記載の車両用マフラであって、
前記ブラケットは、他方のエンドプレートと共に閉断面構造を構成すること、
を特徴とする車両用マフラ。 - 請求項2に記載の車両用マフラであって、
前記中央側傾斜面は、前記頂面から他方のエンドプレートの内面上の左右方向の中央を通る仮想線、または、上下方向の中央を通る仮想線を越えて前記拡張室の隅に向かって延びていること、
を特徴とする車両用マフラ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018181719A JP7056490B2 (ja) | 2018-09-27 | 2018-09-27 | 車両用マフラ |
US16/563,935 US11371413B2 (en) | 2018-09-27 | 2019-09-09 | Muffler for vehicle |
CN201910905018.9A CN110953039B (zh) | 2018-09-27 | 2019-09-24 | 车辆用消声器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018181719A JP7056490B2 (ja) | 2018-09-27 | 2018-09-27 | 車両用マフラ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020051340A JP2020051340A (ja) | 2020-04-02 |
JP7056490B2 true JP7056490B2 (ja) | 2022-04-19 |
Family
ID=69947713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018181719A Active JP7056490B2 (ja) | 2018-09-27 | 2018-09-27 | 車両用マフラ |
Country Status (3)
Country | Link |
---|---|
US (1) | US11371413B2 (ja) |
JP (1) | JP7056490B2 (ja) |
CN (1) | CN110953039B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11242782B2 (en) * | 2019-01-31 | 2022-02-08 | R&R Holding & Leasing | Muffler |
CN111664008A (zh) * | 2020-06-19 | 2020-09-15 | 雷训 | 一种固液混合式粉末内燃机 |
US11788448B2 (en) * | 2021-03-29 | 2023-10-17 | Ford Global Technologies, Llc | Vehicle exhaust system with silencer having exhaust jet deflector |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004019440A (ja) | 2002-06-12 | 2004-01-22 | Sango Co Ltd | 内燃機関の消音器 |
CN102207016A (zh) | 2010-03-29 | 2011-10-05 | 盐城市奥伦泰机电科技发展有限公司 | 排气消声器 |
JP2018044446A (ja) | 2016-09-12 | 2018-03-22 | マツダ株式会社 | エンジンの排気消音装置 |
JP2019019677A (ja) | 2017-07-11 | 2019-02-07 | 株式会社三五 | 消音器 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US734878A (en) * | 1902-08-30 | 1903-07-28 | Horatio H Miller | Muffler. |
US792804A (en) * | 1904-10-31 | 1905-06-20 | Daniel G Williams | Muffler for gas-engines. |
US1839192A (en) * | 1929-12-20 | 1932-01-05 | Hudson Motor Car Co | Muffler for internal combustion engines |
US2205899A (en) * | 1939-05-01 | 1940-06-25 | Burgess Battery Co | Silencing device for pulsating gases |
US2239549A (en) * | 1940-03-04 | 1941-04-22 | Burgess Battery Co | Silencing device for pulsating gases |
US3462947A (en) * | 1968-11-15 | 1969-08-26 | Klaus Frederick Nowak | Exhaust system for two-stroke engines |
JPS5537692Y2 (ja) * | 1976-08-25 | 1980-09-04 | ||
JPS5875913U (ja) * | 1981-11-16 | 1983-05-23 | 日産自動車株式会社 | 消音器 |
US5123502A (en) * | 1990-08-30 | 1992-06-23 | Flowmaster, Inc. | Muffler assembly with perforated partition for ignition of accumulated fuel and method |
US5304749A (en) * | 1991-09-16 | 1994-04-19 | Rodney Crandell | Muffler for internal combustion engine |
US5444197A (en) * | 1993-08-09 | 1995-08-22 | Flugger; Ray T. | Muffler with intermediate sound-attenuating partition and method |
JP2002022254A (ja) * | 2000-07-12 | 2002-01-23 | Biiba Kk | 騒音除去装置 |
WO2004063540A1 (de) * | 2003-01-14 | 2004-07-29 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Platzsparende abgasnachbehandlungseinheit mit ineinanderliegenden hin- und rückströmbereichen bei gleichseitigem gasein- und -austritt |
US6776257B1 (en) * | 2003-05-13 | 2004-08-17 | Silent Exhaust Systems Ltd. | Sound-attenuating muffler having reduced back pressure |
CN100379953C (zh) * | 2004-02-25 | 2008-04-09 | 王宝根 | 机动车排气净化消声器 |
JP2007092628A (ja) | 2005-09-28 | 2007-04-12 | Calsonic Kansei Corp | 車両用消音器 |
US7219764B1 (en) * | 2006-03-27 | 2007-05-22 | Heartthrob Exhaust Inc. | Exhaust muffler |
KR101417128B1 (ko) * | 2008-12-03 | 2014-08-06 | 현대자동차주식회사 | 소음기 |
CN102052123A (zh) * | 2009-11-03 | 2011-05-11 | 安星圭 | 车用消声器 |
JP6413920B2 (ja) | 2015-05-14 | 2018-10-31 | トヨタ自動車株式会社 | マフラ構造 |
-
2018
- 2018-09-27 JP JP2018181719A patent/JP7056490B2/ja active Active
-
2019
- 2019-09-09 US US16/563,935 patent/US11371413B2/en active Active
- 2019-09-24 CN CN201910905018.9A patent/CN110953039B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004019440A (ja) | 2002-06-12 | 2004-01-22 | Sango Co Ltd | 内燃機関の消音器 |
CN102207016A (zh) | 2010-03-29 | 2011-10-05 | 盐城市奥伦泰机电科技发展有限公司 | 排气消声器 |
JP2018044446A (ja) | 2016-09-12 | 2018-03-22 | マツダ株式会社 | エンジンの排気消音装置 |
JP2019019677A (ja) | 2017-07-11 | 2019-02-07 | 株式会社三五 | 消音器 |
Also Published As
Publication number | Publication date |
---|---|
CN110953039A (zh) | 2020-04-03 |
US11371413B2 (en) | 2022-06-28 |
US20200102876A1 (en) | 2020-04-02 |
CN110953039B (zh) | 2022-03-22 |
JP2020051340A (ja) | 2020-04-02 |
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