AU2012234623B2 - Muffler and engine-driven work machine - Google Patents

Muffler and engine-driven work machine Download PDF

Info

Publication number
AU2012234623B2
AU2012234623B2 AU2012234623A AU2012234623A AU2012234623B2 AU 2012234623 B2 AU2012234623 B2 AU 2012234623B2 AU 2012234623 A AU2012234623 A AU 2012234623A AU 2012234623 A AU2012234623 A AU 2012234623A AU 2012234623 B2 AU2012234623 B2 AU 2012234623B2
Authority
AU
Australia
Prior art keywords
engine
connection duct
expansion chamber
exhaust port
work machine
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
AU2012234623A
Other languages
English (en)
Other versions
AU2012234623A1 (en
Inventor
Toshinori Yasutomi
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.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki 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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Publication of AU2012234623A1 publication Critical patent/AU2012234623A1/en
Application granted granted Critical
Publication of AU2012234623B2 publication Critical patent/AU2012234623B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/04—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases
    • 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 exhaust gas passages, pipes or 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
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • F01N2470/20—Dimensional characteristics of tubes, e.g. length, diameter
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
AU2012234623A 2011-03-25 2012-03-14 Muffler and engine-driven work machine Ceased AU2012234623B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011067535A JP5765528B2 (ja) 2011-03-25 2011-03-25 マフラー及びエンジン作業機
JP2011-067535 2011-03-25
PCT/JP2012/057255 WO2012133071A1 (en) 2011-03-25 2012-03-14 Muffler and engine-driven work machine

Publications (2)

Publication Number Publication Date
AU2012234623A1 AU2012234623A1 (en) 2013-10-17
AU2012234623B2 true AU2012234623B2 (en) 2016-08-04

Family

ID=45937513

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2012234623A Ceased AU2012234623B2 (en) 2011-03-25 2012-03-14 Muffler and engine-driven work machine

Country Status (8)

Country Link
US (1) US9200558B2 (https=)
EP (1) EP2689114B1 (https=)
JP (1) JP5765528B2 (https=)
CN (1) CN103443410B (https=)
AU (1) AU2012234623B2 (https=)
BR (1) BR112013024648A2 (https=)
RU (1) RU2606549C2 (https=)
WO (1) WO2012133071A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6236944B2 (ja) * 2012-11-10 2017-11-29 日立工機株式会社 マフラー及びエンジン作業機
JP6401651B2 (ja) * 2015-04-15 2018-10-10 株式会社やまびこ 動力作業機
US11694876B2 (en) 2021-12-08 2023-07-04 Applied Materials, Inc. Apparatus and method for delivering a plurality of waveform signals during plasma processing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665712A (en) * 1970-02-09 1972-05-30 William L Tenney Two-cycle engine resonance exhaust system
US5293744A (en) * 1991-07-26 1994-03-15 Toyota Jidosha Kabushiki Kaisha Exhaust manifold muffler for an internal combustion engine
US6698194B2 (en) * 1999-09-22 2004-03-02 Aktiebolaget Electrolux Two-stroke internal combustion engine

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842599A (en) * 1972-12-18 1974-10-22 Mcculloch Corp Exhaust system for a two-cycle engine
JPS5167934U (https=) * 1974-11-22 1976-05-29
DE2643242B2 (de) * 1976-09-25 1978-12-14 Fa. J. Eberspaecher, 7300 Esslingen Kleinschalldämpfer, insbesondere für Baumsägemotoren
US4290501A (en) * 1979-01-19 1981-09-22 Yamaha Hatsudoki Kabushiki Kaisha Exhaust silencer, especially for small vehicles
SU1280138A2 (ru) * 1979-10-17 1986-12-30 Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Механизации И Энергетики Лесной Промышленности Глушитель шума выхлопа двигател внутреннего сгорани
EP0145479B1 (en) * 1983-12-12 1988-09-07 Kawasaki Jukogyo Kabushiki Kaisha Exhaust control system for 2-cycle engines
JPH0192515A (ja) 1987-09-30 1989-04-11 Honda Motor Co Ltd ２サイクルエンジンの排気装置
JP2730738B2 (ja) * 1987-12-08 1998-03-25 アンドレアス シュティール ２サイクルエンジンの排ガス消音器
AU615389B2 (en) * 1989-08-30 1991-09-26 Mitsubishi Jukogyo Kabushiki Kaisha Muffler for industrial engine
SE516698C2 (sv) * 1996-11-15 2002-02-12 Electrolux Ab Förbränningsmotor
DE19747914A1 (de) * 1997-10-30 1999-05-06 Stihl Maschf Andreas Abgasschalldämpfer
DE29802099U1 (de) * 1998-02-07 1998-03-26 Fa. Andreas Stihl, 71336 Waiblingen Abgasschalldämpfer für einen Zweitaktmotor
SE0001465L (sv) * 2000-04-20 2001-10-21 Electrolux Ab Ljuddämpare
US6959782B2 (en) * 2002-03-22 2005-11-01 Tecumseh Products Company Tuned exhaust system for small engines
DE10239132B4 (de) * 2002-08-27 2012-11-15 Andreas Stihl Ag & Co Abgasschalldämpfer
ATE524262T1 (de) * 2003-12-09 2011-09-15 Husqvarna Ab Tragbare arbeitsmaschine
DE10361216B4 (de) * 2003-12-24 2012-11-15 Andreas Stihl Ag & Co. Kg Abgasschalldämpfer
DE202006013280U1 (de) * 2006-08-30 2008-02-07 Dolmar Gmbh Schalldämpfer mit Kiemenauslass
US20100083512A1 (en) * 2008-10-06 2010-04-08 Husqvarna Zenoah Co., Ltd. Chain saw
JP5539692B2 (ja) 2009-09-28 2014-07-02 テルモ株式会社 操作案内表示装置、操作案内表示システム及び医療機器
JP5678541B2 (ja) * 2010-09-22 2015-03-04 日立工機株式会社 携帯作業機用２サイクルエンジンおよびそれを備えた携帯作業機
JP2012067669A (ja) * 2010-09-22 2012-04-05 Hitachi Koki Co Ltd 携帯作業機用２サイクルエンジンおよびそれを備えた携帯作業機
WO2012120118A1 (de) * 2011-03-09 2012-09-13 Makita Corporation Schalldämpfer für ein motorgerät
JP6098292B2 (ja) * 2013-03-28 2017-03-22 日立工機株式会社 エンジン及び携帯作業機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665712A (en) * 1970-02-09 1972-05-30 William L Tenney Two-cycle engine resonance exhaust system
US5293744A (en) * 1991-07-26 1994-03-15 Toyota Jidosha Kabushiki Kaisha Exhaust manifold muffler for an internal combustion engine
US6698194B2 (en) * 1999-09-22 2004-03-02 Aktiebolaget Electrolux Two-stroke internal combustion engine

Also Published As

Publication number Publication date
US20140000574A1 (en) 2014-01-02
WO2012133071A1 (en) 2012-10-04
JP2012202293A (ja) 2012-10-22
AU2012234623A1 (en) 2013-10-17
EP2689114B1 (en) 2016-07-20
CN103443410B (zh) 2016-08-17
US9200558B2 (en) 2015-12-01
BR112013024648A2 (pt) 2016-12-20
JP5765528B2 (ja) 2015-08-19
RU2013147451A (ru) 2015-04-27
CN103443410A (zh) 2013-12-11
RU2606549C2 (ru) 2017-01-10
EP2689114A1 (en) 2014-01-29

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired