JP4444730B2 - 小型エンジンのマフラ - Google Patents

小型エンジンのマフラ Download PDF

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Publication number
JP4444730B2
JP4444730B2 JP2004146491A JP2004146491A JP4444730B2 JP 4444730 B2 JP4444730 B2 JP 4444730B2 JP 2004146491 A JP2004146491 A JP 2004146491A JP 2004146491 A JP2004146491 A JP 2004146491A JP 4444730 B2 JP4444730 B2 JP 4444730B2
Authority
JP
Japan
Prior art keywords
exhaust
exhaust gas
muffler
chamber
lead
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.)
Expired - Fee Related
Application number
JP2004146491A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005325808A5 (enExample
JP2005325808A (ja
Inventor
常由 湯浅
正典 小林
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.)
Kawasaki Motors Ltd
Original Assignee
Kawasaki Jukogyo KK
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 Kawasaki Jukogyo KK filed Critical Kawasaki Jukogyo KK
Priority to JP2004146491A priority Critical patent/JP4444730B2/ja
Priority to US11/114,497 priority patent/US7407036B2/en
Publication of JP2005325808A publication Critical patent/JP2005325808A/ja
Publication of JP2005325808A5 publication Critical patent/JP2005325808A5/ja
Application granted granted Critical
Publication of JP4444730B2 publication Critical patent/JP4444730B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/06—Spark arresters
    • 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
    • F01N2590/06—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hand-held tools or portables devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2004146491A 2004-05-17 2004-05-17 小型エンジンのマフラ Expired - Fee Related JP4444730B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004146491A JP4444730B2 (ja) 2004-05-17 2004-05-17 小型エンジンのマフラ
US11/114,497 US7407036B2 (en) 2004-05-17 2005-04-26 Muffler for compact combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004146491A JP4444730B2 (ja) 2004-05-17 2004-05-17 小型エンジンのマフラ

Publications (3)

Publication Number Publication Date
JP2005325808A JP2005325808A (ja) 2005-11-24
JP2005325808A5 JP2005325808A5 (enExample) 2006-12-28
JP4444730B2 true JP4444730B2 (ja) 2010-03-31

Family

ID=35308342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004146491A Expired - Fee Related JP4444730B2 (ja) 2004-05-17 2004-05-17 小型エンジンのマフラ

Country Status (2)

Country Link
US (1) US7407036B2 (enExample)
JP (1) JP4444730B2 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006013280U1 (de) * 2006-08-30 2008-02-07 Dolmar Gmbh Schalldämpfer mit Kiemenauslass
TWM333469U (en) * 2007-09-12 2008-06-01 Sentec E & Amp E Co Ltd The improvement of the positioning fitting for the catalyst tubular core
WO2010021016A1 (ja) * 2008-08-16 2010-02-25 加藤 博子 排気ガス浄化装置
JP2012002082A (ja) * 2010-06-14 2012-01-05 Daimler Ag 排気浄化触媒装置及び排気浄化装置
JP5621975B2 (ja) * 2010-10-30 2014-11-12 日立工機株式会社 マフラー及びそれを備えたエンジン作業機
JP2013007317A (ja) * 2011-06-24 2013-01-10 Hitachi Koki Co Ltd エンジン作業機
JP6084487B2 (ja) * 2013-03-11 2017-02-22 本田技研工業株式会社 触媒コンバータ付きマフラ
JP5960648B2 (ja) * 2013-06-10 2016-08-02 株式会社丸山製作所 携帯式エンジン用マフラー
WO2018155071A1 (ja) * 2017-02-23 2018-08-30 工機ホールディングス株式会社 マフラ及びそれを備えたエンジン作業機
WO2019082598A1 (ja) * 2017-10-26 2019-05-02 工機ホールディングス株式会社 マフラ及びそれを備えたエンジン作業機
US11377991B2 (en) * 2017-12-19 2022-07-05 Honda Motor Co., Ltd. Muffler device
US11608762B2 (en) 2019-06-17 2023-03-21 Tenneco Automotive Operating Company Inc. Vehicle exhaust system
JP2022163291A (ja) * 2021-04-14 2022-10-26 株式会社やまびこ 層状掃気式エンジン用マフラ

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798769A (en) * 1972-01-25 1974-03-26 Mc Culloch Corp Apparatus for reducing the operating noise of a chain saw
US4854417A (en) * 1987-08-03 1989-08-08 Honda Giken Kogyo Kabushiki Kaisha Exhaust muffler for an internal combustion engine
SE467315B (sv) * 1987-12-08 1992-06-29 Stihl Maschf Andreas Avgasljuddaempare foer tvaataktsmotorer, i synnerhet foer baerbara arbetsredskap
JPH06575Y2 (ja) * 1988-06-16 1994-01-05 川崎重工業株式会社 内燃機関用マフラー
AU615389B2 (en) * 1989-08-30 1991-09-26 Mitsubishi Jukogyo Kabushiki Kaisha Muffler for industrial engine
DE29609405U1 (de) * 1996-05-25 1996-08-14 Fa. Andreas Stihl, 71336 Waiblingen Abgasschalldämpfer für Verbrennungsmotoren
JP3816581B2 (ja) * 1996-06-21 2006-08-30 株式会社共立 内燃エンジンのマフラー
JP2989791B2 (ja) * 1997-11-19 1999-12-13 川崎重工業株式会社 小型汎用エンジンのマフラ
JP3930961B2 (ja) * 1998-01-27 2007-06-13 株式会社共立 内燃エンジンのマフラー
JP3814081B2 (ja) * 1998-06-30 2006-08-23 新ダイワ工業株式会社 エンジンのマフラー
DE19834822A1 (de) * 1998-08-01 2000-02-03 Stihl Maschf Andreas Abgasschalldämpfer mit einem Katalysator
SE0001465L (sv) * 2000-04-20 2001-10-21 Electrolux Ab Ljuddämpare
US7174991B1 (en) * 2000-11-03 2007-02-13 Aktiebolaget Electrolux Muffler for internal combustion engine
JP2002242666A (ja) 2001-02-16 2002-08-28 Ishikawajima Shibaura Mach Co Ltd 小型エンジンのマフラ構造
US6789644B2 (en) * 2001-11-06 2004-09-14 Hiraoka Manufacturing Co., Ltd. Engine muffler
DE10304326A1 (de) * 2003-02-04 2004-08-12 Andreas Stihl Ag & Co. Kg Schalldämpferanordnung

Also Published As

Publication number Publication date
US7407036B2 (en) 2008-08-05
US20050252715A1 (en) 2005-11-17
JP2005325808A (ja) 2005-11-24

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