JPS59600A - 低雑音流体移動装置 - Google Patents

低雑音流体移動装置

Info

Publication number
JPS59600A
JPS59600A JP58045242A JP4524283A JPS59600A JP S59600 A JPS59600 A JP S59600A JP 58045242 A JP58045242 A JP 58045242A JP 4524283 A JP4524283 A JP 4524283A JP S59600 A JPS59600 A JP S59600A
Authority
JP
Japan
Prior art keywords
sound source
sound
case
fluid
impeller
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP58045242A
Other languages
English (en)
Japanese (ja)
Inventor
ウオルフガング・ナイゼ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DOITSUCHIE FUORUSHIYUNGUSU UNTO FUERUZUTSUHISU ANSHIYUTARUTO HIYURU RUFUTO UNTO RAUMU FUAARUTO EE FUAU
FUORUSHIYUNGUSU UNTO FUERUZUTS
Original Assignee
DOITSUCHIE FUORUSHIYUNGUSU UNTO FUERUZUTSUHISU ANSHIYUTARUTO HIYURU RUFUTO UNTO RAUMU FUAARUTO EE FUAU
FUORUSHIYUNGUSU UNTO FUERUZUTS
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 DOITSUCHIE FUORUSHIYUNGUSU UNTO FUERUZUTSUHISU ANSHIYUTARUTO HIYURU RUFUTO UNTO RAUMU FUAARUTO EE FUAU, FUORUSHIYUNGUSU UNTO FUERUZUTS filed Critical DOITSUCHIE FUORUSHIYUNGUSU UNTO FUERUZUTSUHISU ANSHIYUTARUTO HIYURU RUFUTO UNTO RAUMU FUAARUTO EE FUAU
Publication of JPS59600A publication Critical patent/JPS59600A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/665—Sound attenuation by means of resonance chambers or interference
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/109—Compressors, e.g. fans
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/121—Rotating machines, e.g. engines, turbines, motors; Periodic or quasi-periodic signals in general
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3212—Actuator details, e.g. composition or microstructure
    • G10K2210/32121—Fluid amplifiers, e.g. modulated gas flow speaker using electrovalves
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3216—Cancellation means disposed in the vicinity of the source

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP58045242A 1982-03-17 1983-03-17 低雑音流体移動装置 Pending JPS59600A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3209617815 1982-03-17
DE3209617A DE3209617C2 (de) 1982-03-17 1982-03-17 Geräuscharme Turboarbeitsmaschine

Publications (1)

Publication Number Publication Date
JPS59600A true JPS59600A (ja) 1984-01-05

Family

ID=6158445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58045242A Pending JPS59600A (ja) 1982-03-17 1983-03-17 低雑音流体移動装置

Country Status (4)

Country Link
JP (1) JPS59600A (de)
DE (1) DE3209617C2 (de)
FR (1) FR2523658B1 (de)
GB (1) GB2117046B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8329218D0 (en) * 1983-11-02 1983-12-07 Ffowcs Williams J E Reheat combustion system for gas turbine engine
AT387045B (de) * 1985-06-29 1988-11-25 Voith Gmbh J M Einrichtung zur daempfung von schwingungen in aufbereitungssystemen fuer stoffsuspensionen, insbesondere papierfaserstoffsuspensionen
US5233137A (en) * 1990-04-25 1993-08-03 Ford Motor Company Protective anc loudspeaker membrane
CA2113068A1 (en) * 1991-07-16 1993-02-04 Eldon W. Ziegler High efficiency fan with adaptive noise cancellation
SE500489C2 (sv) * 1992-11-06 1994-07-04 Flaekt Ab Tilluftsdon för ventilationsluft i fartyg
DE4408278A1 (de) * 1994-03-11 1995-09-14 Gaggenau Werke Dunstabzugshaube mit wenigstens teilweiser Auslöschung des Lüftergeräusches

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545402A (en) * 1977-06-14 1979-01-16 Jinichi Nishiwaki Low frequency silencer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225398A (en) * 1939-09-13 1940-12-17 Clyde M Hamblin Construction of ventilating fans
US3826870A (en) * 1970-03-20 1974-07-30 Quest Electronics Corp Noise cancellation
GB1456018A (en) * 1972-11-24 1976-11-17 Nat Res Dev Active control of sound waves
US4174020A (en) * 1975-07-01 1979-11-13 Challis Louis A Acoustic treatment for fans
GB1577322A (en) * 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
FR2370170A1 (fr) * 1976-11-05 1978-06-02 Snecma Procede et dispositif pour la diminution du bruit des turbomachines
EP0050621A1 (de) * 1980-04-28 1982-05-05 KOOPMANN, Gary H. Lärmdämpfsystem
AU550700B2 (en) * 1981-06-12 1986-03-27 Chaplin Patents Holding Co. Ltd Method and apparatus for reducing repetitive noise entering the ear

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545402A (en) * 1977-06-14 1979-01-16 Jinichi Nishiwaki Low frequency silencer

Also Published As

Publication number Publication date
GB2117046B (en) 1985-07-10
DE3209617C2 (de) 1985-10-10
GB2117046A (en) 1983-10-05
GB8306542D0 (en) 1983-04-13
FR2523658B1 (fr) 1988-06-03
DE3209617A1 (de) 1983-10-06
FR2523658A1 (fr) 1983-09-23

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