IT1211662B - Marmitta ad assorbimento acustico - Google Patents
Marmitta ad assorbimento acusticoInfo
- Publication number
- IT1211662B IT1211662B IT8748199A IT4819987A IT1211662B IT 1211662 B IT1211662 B IT 1211662B IT 8748199 A IT8748199 A IT 8748199A IT 4819987 A IT4819987 A IT 4819987A IT 1211662 B IT1211662 B IT 1211662B
- Authority
- IT
- Italy
- Prior art keywords
- sound absorption
- absorption exhaust
- exhaust
- sound
- absorption
- Prior art date
Links
- 238000010521 absorption reaction Methods 0.000 title 1
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)
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 IT8748199A0 (it) | 1987-07-21 |
IT1211662B true 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3836589C2 (de) * | 1988-10-27 | 1994-11-17 | Eberspaecher J | Kompaktschalldämpfer für Nutzfahrzeuge |
-
1986
- 1986-07-23 DE DE8619693U patent/DE8619693U1/de not_active Expired
-
1987
- 1987-06-18 SE SE8702548A patent/SE8702548L/ not_active Application Discontinuation
- 1987-07-21 IT IT8748199A patent/IT1211662B/it active
Also Published As
Publication number | Publication date |
---|---|
IT8748199A0 (it) | 1987-07-21 |
SE8702548D0 (sv) | 1987-06-18 |
SE8702548L (sv) | 1988-01-24 |
DE8619693U1 (de) | 1987-11-19 |
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