IT8748199A0 - Marmitta ad assorbimento acustico - Google Patents

Marmitta ad assorbimento acustico

Info

Publication number
IT8748199A0
IT8748199A0 IT8748199A IT4819987A IT8748199A0 IT 8748199 A0 IT8748199 A0 IT 8748199A0 IT 8748199 A IT8748199 A IT 8748199A IT 4819987 A IT4819987 A IT 4819987A IT 8748199 A0 IT8748199 A0 IT 8748199A0
Authority
IT
Italy
Prior art keywords
sound absorption
absorption muffler
muffler
sound
absorption
Prior art date
Application number
IT8748199A
Other languages
English (en)
Other versions
IT1211662B (it
Inventor
Mai Hans-Peter
Original Assignee
Roth Technik Gmbh
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 Roth Technik Gmbh filed Critical Roth Technik Gmbh
Publication of IT8748199A0 publication Critical patent/IT8748199A0/it
Application granted granted Critical
Publication of IT1211662B publication Critical patent/IT1211662B/it

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
    • F01N1/10—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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/04—Metallic wool, e.g. steel wool, copper wool or the like
    • 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
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
IT8748199A 1986-07-23 1987-07-21 Marmitta ad assorbimento acustico IT1211662B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8619693U DE8619693U1 (de) 1986-07-23 1986-07-23 Absorptionsschalldämpfer

Publications (2)

Publication Number Publication Date
IT8748199A0 true IT8748199A0 (it) 1987-07-21
IT1211662B IT1211662B (it) 1989-11-03

Family

ID=6796742

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8748199A IT1211662B (it) 1986-07-23 1987-07-21 Marmitta ad assorbimento acustico

Country Status (3)

Country Link
DE (1) DE8619693U1 (it)
IT (1) IT1211662B (it)
SE (1) SE8702548L (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3836589C2 (de) * 1988-10-27 1994-11-17 Eberspaecher J Kompaktschalldämpfer für Nutzfahrzeuge

Also Published As

Publication number Publication date
IT1211662B (it) 1989-11-03
SE8702548D0 (sv) 1987-06-18
SE8702548L (sv) 1988-01-24
DE8619693U1 (de) 1987-11-19

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