AT184708B - Rectangular duct with sound-absorbing walls for forwarding gas flows - Google Patents

Rectangular duct with sound-absorbing walls for forwarding gas flows

Info

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
Application number
Other languages
German (de)
Inventor
Lothar Dr Ing Cremer
Original Assignee
Lothar Dr Ing Cremer
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 Lothar Dr Ing Cremer filed Critical Lothar Dr Ing Cremer
Application granted granted Critical
Publication of AT184708B publication Critical patent/AT184708B/en

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
AT184708D 1952-11-12 1953-08-07 Rectangular duct with sound-absorbing walls for forwarding gas flows AT184708B (en)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE977514C (en) 1966-11-03
FR1078851A (en) 1954-11-24
BE529843A (en) 1957-07-19
CH322916A (en) 1957-07-15
GB733329A (en) 1955-07-06

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