[go: up one dir, main page]

SE462374B - Reglerstyrd motordriven laagfrekvensljudgenerator - Google Patents

Reglerstyrd motordriven laagfrekvensljudgenerator

Info

Publication number
SE462374B
SE462374B SE8802452A SE8802452A SE462374B SE 462374 B SE462374 B SE 462374B SE 8802452 A SE8802452 A SE 8802452A SE 8802452 A SE8802452 A SE 8802452A SE 462374 B SE462374 B SE 462374B
Authority
SE
Sweden
Prior art keywords
piston
phase shift
control unit
flywheel
motor
Prior art date
Application number
SE8802452A
Other languages
English (en)
Swedish (sv)
Other versions
SE8802452L (sv
SE8802452D0 (sv
Inventor
R Sandstroem
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 SE8802452A priority Critical patent/SE462374B/sv
Publication of SE8802452D0 publication Critical patent/SE8802452D0/xx
Priority to EP89907362A priority patent/EP0422065B1/fr
Priority to AU38489/89A priority patent/AU3848989A/en
Priority to DE68925817T priority patent/DE68925817D1/de
Priority to AT89907362T priority patent/ATE134537T1/de
Priority to US07/634,142 priority patent/US5109948A/en
Priority to PCT/SE1989/000366 priority patent/WO1990000095A1/fr
Priority to JP1507088A priority patent/JPH03505422A/ja
Publication of SE8802452L publication Critical patent/SE8802452L/
Publication of SE462374B publication Critical patent/SE462374B/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
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04—Acoustic filters ; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Toys (AREA)
  • Exhaust Silencers (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Multiple Motors (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
SE8802452A 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator SE462374B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE8802452A SE462374B (sv) 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator
EP89907362A EP0422065B1 (fr) 1988-06-29 1989-06-27 Organe de commande pour generateur sonore basse frequence
AU38489/89A AU3848989A (en) 1988-06-29 1989-06-27 Frequency controlled motor driven low frequency sound generator
DE68925817T DE68925817D1 (de) 1988-06-29 1989-06-27 Steuerwerk für niederfrequenzschallgenerator
AT89907362T ATE134537T1 (de) 1988-06-29 1989-06-27 Steuerwerk für niederfrequenzschallgenerator
US07/634,142 US5109948A (en) 1988-06-29 1989-06-27 Frequency controlled motor driven low frequency sound generator
PCT/SE1989/000366 WO1990000095A1 (fr) 1988-06-29 1989-06-27 Generateur sonore basse frequence entraine par un moteur et commande par frequences
JP1507088A JPH03505422A (ja) 1988-06-29 1989-06-27 周波数制御モータ駆動低周波音発生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8802452A SE462374B (sv) 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator

Publications (3)

Publication Number Publication Date
SE8802452D0 SE8802452D0 (sv) 1988-06-29
SE8802452L SE8802452L (sv) 1989-12-30
SE462374B true SE462374B (sv) 1990-06-18

Family

ID=20372777

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8802452A SE462374B (sv) 1988-06-29 1988-06-29 Reglerstyrd motordriven laagfrekvensljudgenerator

Country Status (8)

Country Link
US (1) US5109948A (fr)
EP (1) EP0422065B1 (fr)
JP (1) JPH03505422A (fr)
AT (1) ATE134537T1 (fr)
AU (1) AU3848989A (fr)
DE (1) DE68925817D1 (fr)
SE (1) SE462374B (fr)
WO (1) WO1990000095A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019245418A1 (fr) * 2018-06-21 2019-12-26 Mats Olsson Procédé et système de refroidissement d'objets chauds
SE2130031A1 (en) * 2021-02-02 2022-08-03 Mats Anders Olsson A revolving valve for feeding air pulses to a resonance tube for generating low-frequency sound and a method for feeding these pulses at the resonance frequency of the resonance tube

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE9001768D0 (sv) * 1990-05-16 1990-05-16 Infrasonik Ab Roterande matningsenhet foer infraljudgenerator
CA2188307A1 (fr) * 1994-05-02 1995-11-09 David P. Aschenbeck Procede de fabrication de ballots de laine a l'aide de cylindres haute vitesse et de l'emission d'un son basse frequence
US5595585A (en) * 1994-05-02 1997-01-21 Owens Corning Fiberglas Technology, Inc. Low frequency sound distribution of rotary fiberizer veils
RU2116846C1 (ru) * 1997-04-22 1998-08-10 Борисов Юлиан Ярославович Низкочастотный поршневой излучатель
SE518168C2 (sv) * 2000-03-16 2002-09-03 A2 Acoustics Ab Förfarande och anordning för alstrande av ljud med låg frekvens jämte användning av en sådan anordning
JP2002018357A (ja) * 2000-07-11 2002-01-22 Sasakura Engineering Co Ltd 低周波音波の発生装置
US20020094274A1 (en) * 2000-09-15 2002-07-18 Terpay Gregory Weston Passive device for noise reduction
DE102007003166B4 (de) * 2007-01-22 2009-01-29 Siemens Ag Lautsprecher, Lautsprechersystem sowie Verfahren zur Erzeugung von akustischen Schwingungen
JP2011205408A (ja) * 2010-03-25 2011-10-13 Railway Technical Research Institute 低周波音発生装置
JP2016533538A (ja) 2013-09-30 2016-10-27 コツクム ソニクス アクティエボラーグ サウンドエミッタ
WO2015133966A1 (fr) * 2014-03-06 2015-09-11 Infrafone Ab Procédé et dispositif pour optimiser le temps de fonctionnement d'un générateur de son basse fréquence
US10681488B1 (en) * 2019-03-03 2020-06-09 xMEMS Labs, Inc. Sound producing apparatus and sound producing system
US12309548B2 (en) 2021-01-14 2025-05-20 xMEMS Labs, Inc. Air-pulse generating device with efficient propagation
US12075213B2 (en) 2021-01-14 2024-08-27 xMEMS Labs, Inc. Air-pulse generating device
US11943585B2 (en) 2021-01-14 2024-03-26 xMEMS Labs, Inc. Air-pulse generating device with common mode and differential mode movement
US12262177B2 (en) 2021-01-14 2025-03-25 xMEMS Labs, Inc. Air-pulse generating device producing asymmetric air pulses
US11743659B2 (en) 2021-01-14 2023-08-29 xMEMS Labs, Inc. Air-pulse generating device and sound producing method thereof
US11445279B2 (en) * 2021-01-14 2022-09-13 xMEMS Labs, Inc. Air-pulse generating device and sound producing method thereof
US12261567B2 (en) 2021-01-14 2025-03-25 xMEMS Labs, Inc. Demodulation signal generator for air pulse generator
US12356141B2 (en) 2021-01-14 2025-07-08 xMEMS Labs, Inc. Air-pulse generating device, wearable sound device, bladeless fan, and airflow producing method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1173708A (en) * 1915-09-23 1916-02-29 Henry M Chance Method for burning fuel.
SU624659A1 (ru) * 1977-04-22 1978-09-25 Предприятие П/Я В-8584 Устройство дл излучени акустических колебаний
ATE4662T1 (de) * 1978-07-03 1983-09-15 Mats Olsson Konsult Ab Niederfrequenz schallgeber.
SE425597B (sv) * 1980-10-13 1982-10-18 Ekstroms Vermetekniska Ab Tvangsstyrd ljudalstrare for infraljudomradet
US4307964A (en) * 1981-02-25 1981-12-29 The United States Of America As Represented By The Secretary Of The Interior System for maintaining high resonance during sonic agglomeration
DE8712331U1 (de) * 1986-09-26 1988-01-28 Flowtec AG, Reinach, Basel Corioliskraft-Massendurchflussmesser
SE463994B (sv) * 1986-10-31 1991-02-18 Prodeo Ab Motordriven vissla
SE457240B (sv) * 1987-04-08 1988-12-12 Infrasonik Ab Luftdriven positivt aaterkopplad laagfrekvensljudgenerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019245418A1 (fr) * 2018-06-21 2019-12-26 Mats Olsson Procédé et système de refroidissement d'objets chauds
US12241136B2 (en) 2018-06-21 2025-03-04 Infrasonik Ab Method and system for cooling hot objects
SE2130031A1 (en) * 2021-02-02 2022-08-03 Mats Anders Olsson A revolving valve for feeding air pulses to a resonance tube for generating low-frequency sound and a method for feeding these pulses at the resonance frequency of the resonance tube
SE546902C2 (en) * 2021-02-02 2025-03-04 Tallstam Ab A revolving valve for feeding air pulses to a resonance tube for generating low-frequency sound and a method for feeding these pulses at the resonance frequency of the resonance tube

Also Published As

Publication number Publication date
EP0422065A1 (fr) 1991-04-17
JPH03505422A (ja) 1991-11-28
DE68925817D1 (de) 1996-04-04
SE8802452L (sv) 1989-12-30
WO1990000095A1 (fr) 1990-01-11
SE8802452D0 (sv) 1988-06-29
EP0422065B1 (fr) 1996-02-28
AU3848989A (en) 1990-01-23
ATE134537T1 (de) 1996-03-15
US5109948A (en) 1992-05-05

Similar Documents

Publication Publication Date Title
SE462374B (sv) Reglerstyrd motordriven laagfrekvensljudgenerator
US4005319A (en) Piezoelectric generator operated by fluid flow
US5979640A (en) Vibrating conveyor drive with continuously adjustable stroke
US4286324A (en) Prime mover fuel efficiency control system
JPS61178632A (ja) 衝撃試験装置
US6074172A (en) Controller for compressor
JPH03500196A (ja) フィードバック燃料計量制御システム
JP2000356567A (ja) 風洞試験用加振装置
DK0668829T3 (da) Flyveapparat
KR830002992A (ko) 가스 터어빈 엔진의 시동을 위한 제어시스템
RU2007106729A (ru) Способ и устройство для обнаружения и коррекции нестабильности в бытовом агрегате для комбинированной выработки тепла и электроэнергии
KR960000763A (ko) 유체공급 장치
JPS6342752B2 (fr)
RU2029274C1 (ru) Способ настройки на резонансную частоту колебания испытываемых лопаток рабочего колеса
KR910003376A (ko) 회전자 보어 검사시스템
US4122716A (en) Air flow transducer
JP2807794B2 (ja) 振動発生装置
RU2031388C1 (ru) Устройство для определения запасов устойчивости лопаток вентилятора
JPS5913828A (ja) 燃料供給装置
SE524605C2 (sv) Luftdriven lågfrekvensljudgenerator samt metod för att reglera viloläget hos en kolv ingående i en dylik
JPS59192845A (ja) 電子制御式内燃機関のアクセル装置
CN119935301B (zh) 一种电厂引风机声音振动联合测量装置
JPH01234144A (ja) 超音波加工振動装置
RU2095290C1 (ru) Вибрационный датчик обледенения
SU1182404A1 (ru) Тахометрический измеритель скорости движени воздуха

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8802452-6

Effective date: 19940110

Format of ref document f/p: F