DE3421484C2 - - Google Patents
Info
- Publication number
- DE3421484C2 DE3421484C2 DE19843421484 DE3421484A DE3421484C2 DE 3421484 C2 DE3421484 C2 DE 3421484C2 DE 19843421484 DE19843421484 DE 19843421484 DE 3421484 A DE3421484 A DE 3421484A DE 3421484 C2 DE3421484 C2 DE 3421484C2
- Authority
- DE
- Germany
- Prior art keywords
- fillings
- fibers
- silencer
- felts
- bound
- 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.)
- Expired - Fee Related
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
- F01N13/16—Selection of particular 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Silencers (AREA)
- Treating Waste Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843421484 DE3421484A1 (de) | 1984-06-08 | 1984-06-08 | Schalldaempfer, insbesondere fuer rauchgasentschwefelungsanlagen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843421484 DE3421484A1 (de) | 1984-06-08 | 1984-06-08 | Schalldaempfer, insbesondere fuer rauchgasentschwefelungsanlagen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3421484A1 DE3421484A1 (de) | 1985-12-12 |
| DE3421484C2 true DE3421484C2 (enrdf_load_stackoverflow) | 1992-07-30 |
Family
ID=6237992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843421484 Granted DE3421484A1 (de) | 1984-06-08 | 1984-06-08 | Schalldaempfer, insbesondere fuer rauchgasentschwefelungsanlagen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3421484A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509616A1 (de) * | 1995-03-21 | 1996-09-26 | Ulrich Dreizler | Schalldämpfer für Abgasgeräusche |
| DE202015004064U1 (de) | 2015-06-10 | 2015-09-18 | Akustikbüro Krämer + Stegmaier GmbH | Vorrichtung zur Reduzierung von Schalldruckpegeln |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3536379A1 (de) * | 1985-10-11 | 1987-04-16 | Metzeler Schaum Gmbh | Luftfuehrungskanal, insbesondere in kraftfahrzeugen |
| US5418339A (en) * | 1993-11-04 | 1995-05-23 | Minnesota Mining And Manufacturing Company | Pneumatic tool having noise reducing muffling structure |
| AU2018206578B2 (en) * | 2017-08-31 | 2023-02-02 | Fantech Pty Limited | Silencer |
| CN111720650B (zh) * | 2020-06-16 | 2021-11-30 | 新昌县长城空调部件股份有限公司 | 一种不锈钢消音器接头及其制造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1968840U (de) * | 1967-06-19 | 1967-09-21 | Ernst Haiss Eisen Und Metall K | Kombiniertes band fuer schalldaempfer, filter- und polsterzwecke. |
| US3489242A (en) * | 1969-04-01 | 1970-01-13 | Du Pont | Acoustical panel comprising viscoelastic material with heavy filler particles |
| FR2147352A5 (enrdf_load_stackoverflow) * | 1971-07-23 | 1973-03-09 | Saint Gobain | |
| US3903660A (en) * | 1973-09-11 | 1975-09-09 | Mark M Akins | Ceiling construction |
| SE394311B (sv) * | 1974-06-19 | 1977-06-20 | A H Andersson | Ljuddempare |
| SE445499B (sv) * | 1978-05-12 | 1986-06-23 | Post Och Kreditbanken Pkbanken | Anordning for dempning av buller fran utslepp av luft eller gas |
| DE3202078A1 (de) * | 1982-01-23 | 1983-08-04 | IT - Isoliertechnik und Schallschutz GmbH, 4830 Gütersloh | Schalldaempfer-kulisse |
-
1984
- 1984-06-08 DE DE19843421484 patent/DE3421484A1/de active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509616A1 (de) * | 1995-03-21 | 1996-09-26 | Ulrich Dreizler | Schalldämpfer für Abgasgeräusche |
| DE19509616C2 (de) * | 1995-03-21 | 2000-06-08 | Ulrich Dreizler | Schalldämpfer für Abgasgeräusche |
| DE202015004064U1 (de) | 2015-06-10 | 2015-09-18 | Akustikbüro Krämer + Stegmaier GmbH | Vorrichtung zur Reduzierung von Schalldruckpegeln |
| DE102016007248A1 (de) | 2015-06-10 | 2016-12-15 | Akustikbüro Krämer + Stegmaier GmbH | Vorrichtung zur Reduzierung von Schalldruckpegeln |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3421484A1 (de) | 1985-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8380 | Miscellaneous part iii |
Free format text: AUF DER TITELSEITE DER PATENTSCHRIFT IST DIE ENTGEGENGEHALTENE DRUCKSCHRIFT "NICHTS-ERMITTELT" ZU STREICHEN |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |