JP6120457B2 - 内燃機関の排気装置 - Google Patents
内燃機関の排気装置 Download PDFInfo
- Publication number
- JP6120457B2 JP6120457B2 JP2015183077A JP2015183077A JP6120457B2 JP 6120457 B2 JP6120457 B2 JP 6120457B2 JP 2015183077 A JP2015183077 A JP 2015183077A JP 2015183077 A JP2015183077 A JP 2015183077A JP 6120457 B2 JP6120457 B2 JP 6120457B2
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- JP
- Japan
- Prior art keywords
- expansion chamber
- exhaust
- pipe
- communication pipe
- partition plate
- 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.)
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Classifications
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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
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
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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
- F01N1/08—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
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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
- F01N1/08—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
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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
- F01N1/08—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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
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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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/02—Tubes being perforated
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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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/14—Plurality of outlet tubes, e.g. in parallel or with different length
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/16—Plurality of inlet tubes, e.g. discharging into different chambers
-
- 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
- F01N2490/02—Two or more expansion chambers in series connected by means of 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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/14—Dead or resonance chambers connected to gas flow tube by relatively short side-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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
Description
センターフレーム16の下部およびシートレール17の後部間を結ぶ左右1対のリアサブフレーム18とを備える。フロントフォーク11には水平軸線回りで回転自在に前輪WFが支持される。
Claims (8)
- 互いに隔てられる第1膨張室(46)および第2膨張室(47)を少なくとも区画し、前記第1膨張室(46)に内燃機関(E)から延びる複数の排気管(38)を接続するマフラー本体(48)と、前記第1膨張室(46)および前記第2膨張室(47)に接続され、前記複数の排気管(38)から排気ガスを合流させて前記第2膨張室(47)に導入する連通管(54)と、前記第1膨張室(46)内に配置されて、前記排気管(38)ごとに前記第1膨張室(46)を仕切って個別空間を区画する仕切り板(62)とを備えることを特徴とする排気装置。
- 請求項1に記載の排気装置において、前記マフラー本体(48)は、前記第1膨張室(46)および前記第2膨張室(47)の間に第3膨張室(52)を仕切り、前記第3膨張室(52)には、前記第2膨張室(47)に連通する第2の連通管(55)と、前記第2膨張室(47)を貫通して排出口(56)を形成する出口管(57)とが接続されることを特徴とする排気装置。
- 請求項1または2に記載の排気装置において、前記仕切り板(62)は、前記連通管(54)の流入口(54a)に端面(62a)で向き合わせられることを特徴とする排気装置。
- 請求項1〜3のいずれか1項に記載の排気装置において、前記第1膨張室(46)には、前記内燃機関(E)の複数の気筒から相違するタイミングで排気ガスが流入することを特徴とする排気装置。
- 請求項4に記載の排気装置において、前記排気管(38)は、一本化されて触媒装置(44)を通過し、前記触媒装置(44)の下流で複数に分岐することを特徴とする排気装置。
- 請求項1〜5のいずれか1項に記載の排気装置において、前記仕切り板(62)は、前記連通管(54)の軸心に平行に広がって前記連通管(54)の流入口(54a)を二分する位置に配置されることを特徴とする排気装置。
- 請求項1〜6のいずれか1項に記載の排気装置において、前記仕切り板(62)は、湾曲する板材から形成されることを特徴とする排気装置。
- 請求項1〜7のいずれか1項に記載の排気装置において、前記マフラー本体(48)は、鞍乗り型車両に取り付けられる際に特定される後輪(WR)の占有空間で前記第1膨張室(46)に向かって窪む逃げ凹部(64)を備え、前記仕切り板(62)は一端で前記逃げ凹部(64)の内壁面に溶接されることを特徴とする排気装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015183077A JP6120457B2 (ja) | 2015-09-16 | 2015-09-16 | 内燃機関の排気装置 |
US15/249,586 US9719384B2 (en) | 2015-09-16 | 2016-08-29 | Exhaust system for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015183077A JP6120457B2 (ja) | 2015-09-16 | 2015-09-16 | 内燃機関の排気装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017057789A JP2017057789A (ja) | 2017-03-23 |
JP6120457B2 true JP6120457B2 (ja) | 2017-04-26 |
Family
ID=58259994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015183077A Active JP6120457B2 (ja) | 2015-09-16 | 2015-09-16 | 内燃機関の排気装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9719384B2 (ja) |
JP (1) | JP6120457B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6557372B1 (ja) * | 2018-02-15 | 2019-08-07 | 本田技研工業株式会社 | 消音器ユニット |
JP2020016212A (ja) * | 2018-07-27 | 2020-01-30 | 本田技研工業株式会社 | 鞍乗型車両の排気管 |
US11391195B2 (en) * | 2019-06-19 | 2022-07-19 | Tenneco Automotive Operating Company Inc. | Exhaust system and muffler |
US11441456B2 (en) * | 2019-07-01 | 2022-09-13 | Toyota Motor North America, Inc. | Tuning a sound profile of a muffler |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2692025A (en) * | 1951-08-08 | 1954-10-19 | Maxim Silencer Co | Heavy-duty silencer for restricted spaces |
US3388768A (en) * | 1966-03-16 | 1968-06-18 | Walker Mfg Co | Muffler with dual inlets and dual outlets |
US3388769A (en) * | 1966-08-04 | 1968-06-18 | Walker Mfg Co | Dual inlet and outlet muffler |
US3703937A (en) * | 1971-05-21 | 1972-11-28 | William L Tenney | Multiple rpm range tuned exhaust pipe and silencer for two-cycle engine |
US4408675A (en) * | 1981-05-22 | 1983-10-11 | General Motors Corporation | Dual outlet engine exhaust system |
JP3712800B2 (ja) * | 1996-09-20 | 2005-11-02 | 本田技研工業株式会社 | 自動二輪車における排気系のカバー装置 |
JP4455962B2 (ja) * | 2004-09-13 | 2010-04-21 | 川崎重工業株式会社 | 自動二輪車の排気装置 |
JP4884845B2 (ja) * | 2006-05-30 | 2012-02-29 | 本田技研工業株式会社 | 消音器構造 |
JP5015646B2 (ja) * | 2007-03-30 | 2012-08-29 | 本田技研工業株式会社 | 自動2輪車用排気装置 |
JP5315071B2 (ja) * | 2009-01-30 | 2013-10-16 | 本田技研工業株式会社 | 鞍乗型車両の排気管構造 |
JP5315072B2 (ja) * | 2009-01-30 | 2013-10-16 | 本田技研工業株式会社 | 鞍乗型車両の消音器カバー |
JP5406064B2 (ja) * | 2010-01-29 | 2014-02-05 | 本田技研工業株式会社 | 自動2輪車用排気装置 |
US8215447B1 (en) * | 2010-12-28 | 2012-07-10 | Kawasaki Jukogyo Kabushiki Kaisha | Exhaust device of vehicle and straddle-type four-wheeled vehicle provided with the same |
JP5758156B2 (ja) * | 2011-03-11 | 2015-08-05 | 本田技研工業株式会社 | 内燃機関の排気装置 |
JP6012483B2 (ja) | 2013-01-16 | 2016-10-25 | 本田技研工業株式会社 | 鞍乗型車両の排気装置 |
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2015
- 2015-09-16 JP JP2015183077A patent/JP6120457B2/ja active Active
-
2016
- 2016-08-29 US US15/249,586 patent/US9719384B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9719384B2 (en) | 2017-08-01 |
JP2017057789A (ja) | 2017-03-23 |
US20170074132A1 (en) | 2017-03-16 |
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