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SE0001465L - Silencer - Google Patents

Silencer

Info

Publication number
SE0001465L
SE0001465L SE0001465A SE0001465A SE0001465L SE 0001465 L SE0001465 L SE 0001465L SE 0001465 A SE0001465 A SE 0001465A SE 0001465 A SE0001465 A SE 0001465A SE 0001465 L SE0001465 L SE 0001465L
Authority
SE
Sweden
Prior art keywords
muffler
cylinder
inlet
partition wall
fraction
Prior art date
Application number
SE0001465A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE0001465D0 (en
Inventor
Lars Andersson
Mikael Bergman
Hans Stroem
Original Assignee
Electrolux Ab
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 Electrolux Ab filed Critical Electrolux Ab
Priority to SE0001465A priority Critical patent/SE0001465L/en
Publication of SE0001465D0 publication Critical patent/SE0001465D0/en
Priority to US10/258,037 priority patent/US20030173148A1/en
Priority to AU2001248988A priority patent/AU2001248988A1/en
Priority to PCT/SE2001/000848 priority patent/WO2001081738A1/en
Publication of SE0001465L publication Critical patent/SE0001465L/en

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 ; 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
    • F01N13/002—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
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • 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
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • 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
    • F01N3/24—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 characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F01N3/2885—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with exhaust silencers in a single housing
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
    • 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
    • F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

A muffler (1) intended for portable working tools, preferably chain saws, in which the muffler is mounted directly to the exhaust gas outlet (3) of the cylinder (2). The muffler is provided with at least one upstream partition wall (4, 5) at the muffler's inlet (6) from the cylinder and arranged essentially laterally in relation to the engine's cylinder bore (7), so that the partition wall (4) separates an upper fraction (8) above it, i.e. in the direction towards the upper side of the cylinder, and a lower fraction below it, i.e. in the opposite direction, and this dividing into two or several fractions (8, 9, 10) is kept maintained through a great deal of the muffler from the inlet to a number of outlets (11, 12, 13).
SE0001465A 2000-04-20 2000-04-20 Silencer SE0001465L (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE0001465A SE0001465L (en) 2000-04-20 2000-04-20 Silencer
US10/258,037 US20030173148A1 (en) 2000-04-20 2001-04-18 Muffler
AU2001248988A AU2001248988A1 (en) 2000-04-20 2001-04-18 Muffler
PCT/SE2001/000848 WO2001081738A1 (en) 2000-04-20 2001-04-18 Muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0001465A SE0001465L (en) 2000-04-20 2000-04-20 Silencer

Publications (2)

Publication Number Publication Date
SE0001465D0 SE0001465D0 (en) 2000-04-20
SE0001465L true SE0001465L (en) 2001-10-21

Family

ID=20279387

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0001465A SE0001465L (en) 2000-04-20 2000-04-20 Silencer

Country Status (4)

Country Link
US (1) US20030173148A1 (en)
AU (1) AU2001248988A1 (en)
SE (1) SE0001465L (en)
WO (1) WO2001081738A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7174991B1 (en) * 2000-11-03 2007-02-13 Aktiebolaget Electrolux Muffler for internal combustion engine
DE10123360A1 (en) * 2001-05-14 2002-11-21 Man Nutzfahrzeuge Ag Combined exhaust gas aftertreatment / noise reduction device in the exhaust line of an internal combustion engine
US6837335B2 (en) * 2002-01-31 2005-01-04 Mtd Products Inc Replaceable catalyst for exhaust system
US8132646B2 (en) * 2003-08-06 2012-03-13 Andreas Stihl Ag & Co. Kg Exhaust gas muffler
DE10357941B4 (en) * 2003-12-09 2006-03-23 J. Eberspächer GmbH & Co. KG Silencer for an exhaust system
DE10361216B4 (en) * 2003-12-24 2012-11-15 Andreas Stihl Ag & Co. Kg exhaust silencer
DE202004000375U1 (en) * 2004-01-12 2005-06-02 Dolmar Gmbh exhaust silencer
JP4381868B2 (en) * 2004-04-07 2009-12-09 本田技研工業株式会社 Exhaust muffler with engine exhaust purification function
JP4444730B2 (en) * 2004-05-17 2010-03-31 川崎重工業株式会社 Small engine muffler
US7146806B2 (en) * 2004-07-07 2006-12-12 Homelite Technologies, Ltd. Internal combustion engine cylinder and muffler assembly with catalytic converter
US7413716B2 (en) * 2005-04-08 2008-08-19 Homelite Technologies, Ltd. Muffler with catalytic converter
JP2007262984A (en) * 2006-03-28 2007-10-11 Komatsu Zenoah Co Muffler
JP5066344B2 (en) * 2006-06-21 2012-11-07 ハスクバーナ・ゼノア株式会社 Scarf
DE202006013279U1 (en) * 2006-08-30 2008-01-17 Dolmar Gmbh Motor operated implement
DE202006013280U1 (en) * 2006-08-30 2008-02-07 Dolmar Gmbh Silencer with gill outlet
US20100083512A1 (en) * 2008-10-06 2010-04-08 Husqvarna Zenoah Co., Ltd. Chain saw
US8794196B2 (en) * 2008-10-06 2014-08-05 Husqvarna Zenoah Co., Ltd. Chain saw
DE102010020728A1 (en) * 2010-05-17 2011-11-17 Mtu Friedrichshafen Gmbh aftertreatment system
JP5765528B2 (en) * 2011-03-25 2015-08-19 日立工機株式会社 Muffler and engine working machine
FI125443B (en) * 2011-08-29 2015-10-15 Wärtsilä Finland Oy Apparatus for treating exhaust gases of a piston-type combustion engine and a piston-type combustion engine
CN104912625A (en) * 2015-06-09 2015-09-16 临沂照华动力机械有限公司 Novel two-stroke gasoline engine silencer
JP6667561B2 (en) * 2018-01-26 2020-03-18 フタバ産業株式会社 Exhaust unit
US11293664B2 (en) * 2018-03-06 2022-04-05 Gulfstream Aerospace Corporation Dual tube silencer for separate gas flows
CN117232133B (en) * 2023-11-16 2024-04-09 珠海格力电器股份有限公司 Sound attenuation control method, silencer, outdoor unit and air conditioner

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240194A (en) * 1964-08-03 1966-03-15 Outboard Marine Corp Engine
SE457273B (en) * 1987-04-14 1988-12-12 Electrolux Ab LJUDDAEMPARE
DE3729477C3 (en) * 1987-09-03 1999-09-09 Stihl Maschf Andreas Exhaust silencer for two-stroke engines, especially for portable tools such as chainsaws
WO1989002029A1 (en) * 1987-09-04 1989-03-09 Orbital Engine Company Pty. Limited Exhaust gas treatment for a two stroke engine
US4903482A (en) * 1988-04-27 1990-02-27 Ricardo Group Plc Two-stroke otto cycle engines
US4969329A (en) * 1989-05-05 1990-11-13 General Motors Corporation Two cycle engine with exhaust emission control
JPH0547331U (en) * 1991-11-21 1993-06-22 株式会社共立 2-cycle engine
SE509355C2 (en) * 1995-02-14 1999-01-18 Electrolux Ab Silencer
JP3930961B2 (en) * 1998-01-27 2007-06-13 株式会社共立 Muffler for internal combustion engine

Also Published As

Publication number Publication date
AU2001248988A1 (en) 2001-11-07
SE0001465D0 (en) 2000-04-20
US20030173148A1 (en) 2003-09-18
WO2001081738A1 (en) 2001-11-01

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Legal Events

Date Code Title Description
NAV Patent application has lapsed