SE457240B - Luftdriven positivt aaterkopplad laagfrekvensljudgenerator - Google Patents
Luftdriven positivt aaterkopplad laagfrekvensljudgeneratorInfo
- Publication number
- SE457240B SE457240B SE8701461A SE8701461A SE457240B SE 457240 B SE457240 B SE 457240B SE 8701461 A SE8701461 A SE 8701461A SE 8701461 A SE8701461 A SE 8701461A SE 457240 B SE457240 B SE 457240B
- Authority
- SE
- Sweden
- Prior art keywords
- piston
- sound generator
- air
- pipe
- resonant means
- Prior art date
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)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8701461A SE457240B (sv) | 1987-04-08 | 1987-04-08 | Luftdriven positivt aaterkopplad laagfrekvensljudgenerator |
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 |
DE3888534T DE3888534T2 (de) | 1987-04-08 | 1988-04-08 | Luftbetriebener niederfrequenz-schallgenerator mit positiver rückkopplung. |
US07/424,206 US5005511A (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 |
AU15959/88A AU614516B2 (en) | 1987-04-08 | 1988-04-08 | Air-driven low-frequency sound generator with positive feedback system |
EP88903445A EP0360806B1 (de) | 1987-04-08 | 1988-04-08 | Luftbetriebener niederfrequenz-schallgenerator mit positiver rückkopplung |
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 SE8701461L (sv) | 1988-10-09 |
SE457240B true 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 (de) |
EP (1) | EP0360806B1 (de) |
JP (1) | JP2610184B2 (de) |
AU (1) | AU614516B2 (de) |
DE (1) | DE3888534T2 (de) |
SE (1) | SE457240B (de) |
WO (1) | WO1988007894A1 (de) |
Families Citing this family (8)
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 |
AU2205495A (en) * | 1994-05-02 | 1995-11-29 | 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 |
AU2010280388A1 (en) * | 2009-08-03 | 2012-03-29 | Koninklijke Philips Electronics N.V. | Low restriction resonator with adjustable frequency characteristics for use in compressor nebulizer systems |
US9718099B2 (en) * | 2013-04-04 | 2017-08-01 | Infrafone Ab | Vibration damper for reducing vibrations of a low frequency sound generator |
Family Cites Families (6)
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 (de) * | 1978-07-03 | 1983-09-14 | Mats Olsson Konsult Ab | Niederfrequenz Schallgeber |
-
1987
- 1987-04-08 SE SE8701461A patent/SE457240B/sv not_active IP Right Cessation
-
1988
- 1988-04-08 US US07/424,206 patent/US5005511A/en not_active Expired - Lifetime
- 1988-04-08 JP JP63503366A patent/JP2610184B2/ja not_active Expired - Lifetime
- 1988-04-08 EP EP88903445A patent/EP0360806B1/de not_active Expired - Lifetime
- 1988-04-08 WO PCT/SE1988/000172 patent/WO1988007894A1/en active IP Right Grant
- 1988-04-08 AU AU15959/88A patent/AU614516B2/en not_active Ceased
- 1988-04-08 DE DE3888534T patent/DE3888534T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3888534T2 (de) | 1994-10-27 |
DE3888534D1 (de) | 1994-04-21 |
US5005511A (en) | 1991-04-09 |
EP0360806A1 (de) | 1990-04-04 |
SE8701461D0 (sv) | 1987-04-08 |
JP2610184B2 (ja) | 1997-05-14 |
JPH02502889A (ja) | 1990-09-13 |
AU1595988A (en) | 1988-11-04 |
EP0360806B1 (de) | 1994-03-16 |
SE8701461L (sv) | 1988-10-09 |
WO1988007894A1 (en) | 1988-10-20 |
AU614516B2 (en) | 1991-09-05 |
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