AT184708B - Rectangular duct with sound-absorbing walls for forwarding gas flows - Google Patents
Rectangular duct with sound-absorbing walls for forwarding gas flowsInfo
- Publication number
- AT184708B AT184708B AT184708DA AT184708B AT 184708 B AT184708 B AT 184708B AT 184708D A AT184708D A AT 184708DA AT 184708 B AT184708 B AT 184708B
- Authority
- AT
- Austria
- Prior art keywords
- sound
- gas flows
- rectangular duct
- absorbing walls
- forwarding gas
- Prior art date
Links
Classifications
-
- 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
-
- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
-
- 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
- F16L9/00—Rigid pipes
- F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC6660A DE977514C (en) | 1952-11-12 | 1952-11-12 | Sound absorption filter for gas pipes, especially ventilation pipes |
Publications (1)
Publication Number | Publication Date |
---|---|
AT184708B true AT184708B (en) | 1956-02-25 |
Family
ID=7013958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT184708D AT184708B (en) | 1952-11-12 | 1953-08-07 | Rectangular duct with sound-absorbing walls for forwarding gas flows |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT184708B (en) |
BE (1) | BE529843A (en) |
CH (1) | CH322916A (en) |
DE (1) | DE977514C (en) |
FR (1) | FR1078851A (en) |
GB (1) | GB733329A (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2916101A (en) * | 1957-02-25 | 1959-12-08 | Israel A Naman | Sound-absorbing structures |
AT254465B (en) * | 1963-12-09 | 1967-05-26 | Lothar Dr Ing Cremer | Absorption silencers for gas pipes, in particular ventilation pipes |
US3263771A (en) * | 1964-05-21 | 1966-08-02 | Seifert Kurt | Sound absorbing pipe lining having packing with different densities |
US3795288A (en) * | 1968-05-27 | 1974-03-05 | Pall Corp | Gas conduit with acoustic insulation comprising anisometric compressed and bonded multilayer knitted wire mesh composites |
US3620329A (en) * | 1969-12-31 | 1971-11-16 | Glasrock Products | Jet engine noise suppressor |
DE2063768A1 (en) * | 1970-12-24 | 1972-07-13 | Volkswagenwerk Ag | Arrangement in the manner of an absorption silencer, in particular for motor vehicles |
US3712412A (en) * | 1971-11-18 | 1973-01-23 | Environeering | Sound suppressing system |
US3738448A (en) * | 1971-12-13 | 1973-06-12 | Bolt Beranek & Newman | Sound silencing method and apparatus |
US3955643A (en) * | 1974-07-03 | 1976-05-11 | Brunswick Corporation | Free flow sound attenuating device and method of making |
US4141433A (en) * | 1976-06-04 | 1979-02-27 | Lord Corporation | Sound absorbing structure |
US4109752A (en) * | 1976-06-22 | 1978-08-29 | Lord Corporation | Muffler |
US4287962A (en) * | 1977-11-14 | 1981-09-08 | Industrial Acoustics Company | Packless silencer |
AU5431080A (en) * | 1979-01-19 | 1980-07-24 | Carrier Drysys Ltd. | Paint spray booth |
DE3220022C2 (en) * | 1982-05-27 | 1985-04-04 | Cellofoam Deutschland Gmbh, 7950 Biberach | Soundproofing device for air-flow ducts in air conditioning systems and the like. |
US5422446A (en) * | 1991-03-20 | 1995-06-06 | Fries; Arthur | Panel shaped element, specifically for sound absorbing structures and a sound absorbing installation |
DE4340694C1 (en) * | 1993-11-30 | 1995-02-23 | Voith Gmbh J M | Silencer for use in papermaking installations |
DE102007045266A1 (en) * | 2007-09-21 | 2009-04-02 | Hydac Technology Gmbh | Damping device, in particular pulsation damper |
CN103322342B (en) * | 2013-06-27 | 2016-01-20 | 江苏高博智融科技有限公司 | A kind of plastic pipe |
-
1952
- 1952-11-12 DE DEC6660A patent/DE977514C/en not_active Expired
-
1953
- 1953-06-16 FR FR1078851D patent/FR1078851A/en not_active Expired
- 1953-08-07 AT AT184708D patent/AT184708B/en active
- 1953-10-30 CH CH322916D patent/CH322916A/en unknown
- 1953-11-12 GB GB3141253A patent/GB733329A/en not_active Expired
-
1954
- 1954-06-23 BE BE529843A patent/BE529843A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE529843A (en) | 1957-07-19 |
FR1078851A (en) | 1954-11-24 |
CH322916A (en) | 1957-07-15 |
GB733329A (en) | 1955-07-06 |
DE977514C (en) | 1966-11-03 |
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