SE8701461L - Luftdriven positivt aaterkopplad laagfrekvensljudgenerator - Google Patents

Luftdriven positivt aaterkopplad laagfrekvensljudgenerator

Info

Publication number
SE8701461L
SE8701461L SE8701461A SE8701461A SE8701461L SE 8701461 L SE8701461 L SE 8701461L SE 8701461 A SE8701461 A SE 8701461A SE 8701461 A SE8701461 A SE 8701461A SE 8701461 L SE8701461 L SE 8701461L
Authority
SE
Sweden
Prior art keywords
tube
resonator
pct
gas
pressure
Prior art date
Application number
SE8701461A
Other languages
Unknown language ( )
English (en)
Other versions
SE8701461D0 (sv
SE457240B (sv
Inventor
M A Olsson
Original Assignee
Infrasonik Ab
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 Infrasonik Ab filed Critical Infrasonik Ab
Priority to SE8701461A priority Critical patent/SE457240B/sv
Publication of SE8701461D0 publication Critical patent/SE8701461D0/sv
Priority to DE3888534T priority patent/DE3888534T2/de
Priority to AU15959/88A priority patent/AU614516B2/en
Priority to EP88903445A priority patent/EP0360806B1/en
Priority to PCT/SE1988/000172 priority patent/WO1988007894A1/en
Priority to US07/424,206 priority patent/US5005511A/en
Priority to JP63503366A priority patent/JP2610184B2/ja
Publication of SE8701461L publication Critical patent/SE8701461L/sv
Publication of SE457240B publication Critical patent/SE457240B/sv

Links

Classifications

    • 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
    • G10K7/00—Sirens
    • G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/20—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of a vibrating fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G7/00—Cleaning by vibration or pressure waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
SE8701461A 1987-04-08 1987-04-08 Luftdriven positivt aaterkopplad laagfrekvensljudgenerator SE457240B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8701461A SE457240B (sv) 1987-04-08 1987-04-08 Luftdriven positivt aaterkopplad laagfrekvensljudgenerator
DE3888534T DE3888534T2 (de) 1987-04-08 1988-04-08 Luftbetriebener niederfrequenz-schallgenerator mit positiver rückkopplung.
AU15959/88A AU614516B2 (en) 1987-04-08 1988-04-08 Air-driven low-frequency sound generator with positive feedback system
EP88903445A EP0360806B1 (en) 1987-04-08 1988-04-08 Air-driven low-frequency sound generator with positive feedback system
PCT/SE1988/000172 WO1988007894A1 (en) 1987-04-08 1988-04-08 Air-driven low-frequency sound generator with positive feedback system
US07/424,206 US5005511A (en) 1987-04-08 1988-04-08 Air-driven low-frequency sound generator with positive feedback system
JP63503366A JP2610184B2 (ja) 1987-04-08 1988-04-08 正フィードバック系を具えた空気駆動式低周波音発生器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8701461A SE457240B (sv) 1987-04-08 1987-04-08 Luftdriven positivt aaterkopplad laagfrekvensljudgenerator

Publications (3)

Publication Number Publication Date
SE8701461D0 SE8701461D0 (sv) 1987-04-08
SE8701461L true SE8701461L (sv) 1988-10-09
SE457240B SE457240B (sv) 1988-12-12

Family

ID=20368137

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8701461A SE457240B (sv) 1987-04-08 1987-04-08 Luftdriven positivt aaterkopplad laagfrekvensljudgenerator

Country Status (7)

Country Link
US (1) US5005511A (sv)
EP (1) EP0360806B1 (sv)
JP (1) JP2610184B2 (sv)
AU (1) AU614516B2 (sv)
DE (1) DE3888534T2 (sv)
SE (1) SE457240B (sv)
WO (1) WO1988007894A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462374B (sv) * 1988-06-29 1990-06-18 Infrasonik Ab Reglerstyrd motordriven laagfrekvensljudgenerator
SE463785B (sv) * 1988-11-01 1991-01-21 Infrasonik Ab Foerfarande och anordning foer att med hjaelp av laagfrekvent ljud forcera vaermetransmission mellan kroppar och gaser
EP0760028B1 (en) * 1994-05-02 1999-06-02 Owens Corning Wool pack forming process using high speed rotating drums and low frequency sound distribution
US5595585A (en) * 1994-05-02 1997-01-21 Owens Corning Fiberglas Technology, Inc. Low frequency sound distribution of rotary fiberizer veils
SE524605C2 (sv) * 2002-07-22 2004-08-31 Mats Olsson Luftdriven lågfrekvensljudgenerator samt metod för att reglera viloläget hos en kolv ingående i en dylik
DE10341477A1 (de) * 2003-09-05 2005-03-31 Riehle, Rainer, Dipl.-Ing. Schallgenerator zur Erzeugung in Rohrleitungen eines Wasser- oder Gasversorgungssystems ausbreitungsfähiger Schallimpulse
US9790937B2 (en) * 2009-08-03 2017-10-17 Koninklijke Philips N.V. Low restriction resonator with adjustable frequency characteristics for use in compressor nebulizer systems
EP2981368A4 (en) * 2013-04-04 2016-09-21 Infrafone Ab VIBRATION DAMPER FOR REDUCING VIBRATIONS OF A LOW FREQUENCY ACOUSTIC GENERATOR

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB138532A (en) * 1919-05-28 1920-02-12 Louis Chollet Improvements in fluid-pressure operated sound signalling devices
DE496622C (de) * 1928-02-28 1930-04-24 Helge Sven Albert Rydberg Schallsignalapparat zur Erzeugung hoher Toene von grosser Lautstaerke
DE577517C (de) * 1930-05-23 1933-06-01 Karl Gold Walzenbrikettpresse mit in einem besonderen Pressring von geringerem Durchmesser als der Laufring exzentrisch angeordneter Presswalze
GB1025549A (en) * 1964-03-16 1966-04-14 Kockums Mekaniska Verkstads Ab Improvements in or relating to pressure-gas operated horns
US4020693A (en) * 1976-04-12 1977-05-03 The United States Of America As Represented By The United States Energy Research And Development Administration Acoustic transducer for nuclear reactor monitoring
EP0006833B1 (en) * 1978-07-03 1983-09-14 Mats Olsson Konsult Ab Low-frequency sound generator

Also Published As

Publication number Publication date
US5005511A (en) 1991-04-09
JPH02502889A (ja) 1990-09-13
AU614516B2 (en) 1991-09-05
EP0360806B1 (en) 1994-03-16
AU1595988A (en) 1988-11-04
JP2610184B2 (ja) 1997-05-14
EP0360806A1 (en) 1990-04-04
SE8701461D0 (sv) 1987-04-08
WO1988007894A1 (en) 1988-10-20
DE3888534T2 (de) 1994-10-27
DE3888534D1 (de) 1994-04-21
SE457240B (sv) 1988-12-12

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