CA2730209A1 - Pot d'echappement a attenuation acoustique ameliore presentant une contre-pression reduite - Google Patents

Pot d'echappement a attenuation acoustique ameliore presentant une contre-pression reduite Download PDF

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Publication number
CA2730209A1
CA2730209A1 CA2730209A CA2730209A CA2730209A1 CA 2730209 A1 CA2730209 A1 CA 2730209A1 CA 2730209 A CA2730209 A CA 2730209A CA 2730209 A CA2730209 A CA 2730209A CA 2730209 A1 CA2730209 A1 CA 2730209A1
Authority
CA
Canada
Prior art keywords
chamber
muffler
perforated pipe
exhaust gases
housing
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.)
Abandoned
Application number
CA2730209A
Other languages
English (en)
Inventor
Zvi Shaya
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
Priority claimed from US12/170,443 external-priority patent/US7708114B2/en
Priority claimed from US12/245,870 external-priority patent/US7708115B2/en
Application filed by Individual filed Critical Individual
Publication of CA2730209A1 publication Critical patent/CA2730209A1/fr
Abandoned 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
    • 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
    • F01N1/003—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
    • F01N1/08—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
    • F01N1/24—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Separating Particles In Gases By Inertia (AREA)
CA2730209A 2008-07-10 2009-06-30 Pot d'echappement a attenuation acoustique ameliore presentant une contre-pression reduite Abandoned CA2730209A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US12/170,443 2008-07-10
US12/170,443 US7708114B2 (en) 2008-07-10 2008-07-10 Sound-attenuating muffler having reduced back pressure
US12/245,870 2008-10-06
US12/245,870 US7708115B2 (en) 2008-10-06 2008-10-06 Sound-attenuating muffler having reduced back pressure
PCT/IB2009/052827 WO2010004476A1 (fr) 2008-07-10 2009-06-30 Pot d’échappement à atténuation acoustique amélioré présentant une contre-pression réduite

Publications (1)

Publication Number Publication Date
CA2730209A1 true CA2730209A1 (fr) 2010-01-14

Family

ID=41506727

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2730209A Abandoned CA2730209A1 (fr) 2008-07-10 2009-06-30 Pot d'echappement a attenuation acoustique ameliore presentant une contre-pression reduite

Country Status (4)

Country Link
CN (1) CN102112710A (fr)
BR (1) BRPI0915748A2 (fr)
CA (1) CA2730209A1 (fr)
WO (1) WO2010004476A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881852A (en) * 1956-06-14 1959-04-14 Gen Motors Corp Exhaust muffler means
GB2346413B (en) * 1999-02-05 2003-08-13 Komatsu Mfg Co Ltd Exhaust silencer
US6776257B1 (en) * 2003-05-13 2004-08-17 Silent Exhaust Systems Ltd. Sound-attenuating muffler having reduced back pressure

Also Published As

Publication number Publication date
BRPI0915748A2 (pt) 2019-09-24
WO2010004476A1 (fr) 2010-01-14
CN102112710A (zh) 2011-06-29

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Legal Events

Date Code Title Description
FZDE Dead