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EP1099829A3 - Insert for silencer - Google Patents

Insert for silencer Download PDF

Info

Publication number
EP1099829A3
EP1099829A3 EP00124521A EP00124521A EP1099829A3 EP 1099829 A3 EP1099829 A3 EP 1099829A3 EP 00124521 A EP00124521 A EP 00124521A EP 00124521 A EP00124521 A EP 00124521A EP 1099829 A3 EP1099829 A3 EP 1099829A3
Authority
EP
European Patent Office
Prior art keywords
silencer
vanes
exhaust gases
flow
insert
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.)
Granted
Application number
EP00124521A
Other languages
German (de)
French (fr)
Other versions
EP1099829A2 (en
EP1099829B1 (en
Inventor
Roland Kess
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE20023718U priority Critical patent/DE20023718U1/en
Publication of EP1099829A2 publication Critical patent/EP1099829A2/en
Publication of EP1099829A3 publication Critical patent/EP1099829A3/en
Application granted granted Critical
Publication of EP1099829B1 publication Critical patent/EP1099829B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01N13/08—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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
    • 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
    • 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
    • F01N1/023—Helmholtz resonators
    • 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
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • 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
    • 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
    • F01N1/085—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using a central core throttling gas passage
    • 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
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • 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
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
    • 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
    • F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
    • 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
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • 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
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction
    • 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
    • F01N2490/20—Chambers being formed inside the exhaust pipe without enlargement of the cross section of the pipe, e.g. resonance chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Flexible Shafts (AREA)

Abstract

The inlet (6) of the silencer (1) has a tapered reducing piece (4,5) leading into the perforated tube (2). The concentric space (8) between the inner and outer tubes acts as an expansion chamber. Some of the exhaust gases flow through the perforations and are released to the outside through vanes (17) at the outlet (19) end of the silencer. There may be a large-diameter pipe surrounding these vanes. The vanes are made by bending the edges of discs (14) which have openings (11,18) in them to allow exhaust gases to flow through.
EP00124521A 1999-11-11 2000-11-09 Insert for silencer Expired - Lifetime EP1099829B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20023718U DE20023718U1 (en) 1999-11-11 2000-11-09 Silencer fitting for vehicle exhausts esp. for motorcycles has two chambers enclosed by expansion chamber with gas outlet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29919767U DE29919767U1 (en) 1999-11-11 1999-11-11 Damper insert
DE29919767U 1999-11-11

Publications (3)

Publication Number Publication Date
EP1099829A2 EP1099829A2 (en) 2001-05-16
EP1099829A3 true EP1099829A3 (en) 2003-10-15
EP1099829B1 EP1099829B1 (en) 2006-01-25

Family

ID=8081442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124521A Expired - Lifetime EP1099829B1 (en) 1999-11-11 2000-11-09 Insert for silencer

Country Status (4)

Country Link
EP (1) EP1099829B1 (en)
AT (1) ATE316606T1 (en)
DE (3) DE29919767U1 (en)
ES (1) ES2255937T3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005011448U1 (en) 2005-07-18 2006-11-23 Kess, Roland Silencer outlet part for a motorcycle silencer
ES2355740T3 (en) * 2006-01-06 2011-03-30 Yamaha Hatsudoki Kabushiki Kaisha MUFFLER AND VEHICLE EQUIPPED WITH THE MUFFLER.
DE202008013253U1 (en) * 2008-10-04 2010-01-07 Fürst, Gabi Insertion device for exhaust pipe sockets of motor vehicles
DE102009036559A1 (en) 2009-08-10 2011-02-17 Kess-Tech Gmbh Exhaust silencer closure device for exhaust silencer, comprises two concentrically arranged outlet openings, and base body, which is fastenable in area or before outlet openings
WO2017126083A1 (en) 2016-01-21 2017-07-27 フタバ産業株式会社 Muffler
DE202021003282U1 (en) 2021-10-21 2022-03-14 Stefan Burghardt Reflective silencer with 360° scene control
DE202021003793U1 (en) 2021-12-16 2022-01-14 Stefan Burghardt 360° link control for reflection silencer
DE202022000229U1 (en) 2022-01-28 2022-03-08 Stefan Burghardt Reflection silencer with 360° link control with slot
DE202022000300U1 (en) 2022-02-05 2022-02-18 Stefan Burghardt Reflection silencer with 360° link control with slotted holes
WO2024201480A1 (en) * 2023-03-24 2024-10-03 Tata Motors Limited A vehicle exhaust pipe system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB146837A (en) * 1919-05-22 1921-05-26 Hugo Schneebeli Improvements in or relating to exhaust silencers for internal combustion engines
US3545565A (en) * 1969-11-20 1970-12-08 Horace Mccaffrey Jr Sound attenuating structure
US3710891A (en) * 1971-08-25 1973-01-16 R Flugger Automotive muffler
EP0084598A1 (en) * 1982-01-26 1983-08-03 Knorr-Bremse Ag Sound absorber, particularly for compressed air devices
US4550799A (en) * 1983-02-22 1985-11-05 Wayne King Muffler for exhaust gases
US4751980A (en) * 1986-10-20 1988-06-21 Devane Harry M Sound attenuation apparatus
US5767459A (en) * 1996-11-18 1998-06-16 Ingersoll-Rand Company Muffler for pneumatic devices
DE19806219A1 (en) * 1998-02-16 1999-08-19 Classic Cycles Ccd Adjustment mechanism for motorcycle silencers to steplessly adjust acoustic spectrum

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB146837A (en) * 1919-05-22 1921-05-26 Hugo Schneebeli Improvements in or relating to exhaust silencers for internal combustion engines
US3545565A (en) * 1969-11-20 1970-12-08 Horace Mccaffrey Jr Sound attenuating structure
US3710891A (en) * 1971-08-25 1973-01-16 R Flugger Automotive muffler
EP0084598A1 (en) * 1982-01-26 1983-08-03 Knorr-Bremse Ag Sound absorber, particularly for compressed air devices
US4550799A (en) * 1983-02-22 1985-11-05 Wayne King Muffler for exhaust gases
US4751980A (en) * 1986-10-20 1988-06-21 Devane Harry M Sound attenuation apparatus
US5767459A (en) * 1996-11-18 1998-06-16 Ingersoll-Rand Company Muffler for pneumatic devices
DE19806219A1 (en) * 1998-02-16 1999-08-19 Classic Cycles Ccd Adjustment mechanism for motorcycle silencers to steplessly adjust acoustic spectrum

Also Published As

Publication number Publication date
DE10055535A1 (en) 2001-05-17
DE29919767U1 (en) 2000-07-06
DE50012121D1 (en) 2006-04-13
ATE316606T1 (en) 2006-02-15
EP1099829A2 (en) 2001-05-16
ES2255937T3 (en) 2006-07-16
EP1099829B1 (en) 2006-01-25

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