WO1993002445A1 - Ventilateur a haute performance dote d'un systeme d'elimination sonore adaptable - Google Patents

Ventilateur a haute performance dote d'un systeme d'elimination sonore adaptable Download PDF

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Publication number
WO1993002445A1
WO1993002445A1 PCT/US1991/004876 US9104876W WO9302445A1 WO 1993002445 A1 WO1993002445 A1 WO 1993002445A1 US 9104876 W US9104876 W US 9104876W WO 9302445 A1 WO9302445 A1 WO 9302445A1
Authority
WO
WIPO (PCT)
Prior art keywords
noise
fan
housing
microphone
tonal
Prior art date
Application number
PCT/US1991/004876
Other languages
English (en)
Inventor
Eldon W. Ziegler
Micahel P. Mcloughlin
Luc Verschueren
Khosrow Eghtesadi
Michael Arnold
Robert Friesen
Original Assignee
Noise Cancellation Technologies, Inc.
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 Noise Cancellation Technologies, Inc. filed Critical Noise Cancellation Technologies, Inc.
Priority to SK51-94A priority Critical patent/SK5194A3/sk
Priority to JP4502928A priority patent/JPH06508695A/ja
Priority to EP92902773A priority patent/EP0594626A4/en
Priority to CA002113068A priority patent/CA2113068A1/fr
Priority to PCT/US1991/004876 priority patent/WO1993002445A1/fr
Priority to CS9466A priority patent/CZ6694A3/cs
Publication of WO1993002445A1 publication Critical patent/WO1993002445A1/fr
Priority to NO940127A priority patent/NO940127D0/no
Priority to FI940182A priority patent/FI940182A/fi

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
    • 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
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/10—Emission reduction
    • B60L2270/14—Emission reduction of noise
    • B60L2270/142—Emission reduction of noise acoustic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/962—Preventing, counteracting or reducing vibration or noise by means of "anti-noise"
    • 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
    • G10K2210/101—One dimensional
    • 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
    • G10K2210/112—Ducts
    • 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
    • G10K2210/301—Computational
    • G10K2210/3045—Multiple acoustic inputs, single acoustic output
    • 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
    • G10K2210/50—Miscellaneous
    • G10K2210/509—Hybrid, i.e. combining different technologies, e.g. passive and active

Definitions

  • a conventional blower is characterized by a cutoff edge that is parallel with the impeller blades. Such an arrangement results in pressure fluctuations that are in phase along the full length of the cutoff, thus enhancing the sound radiation. Inclination of either the impeller blades or the cutoff edge or both with respect to the impeller axis results in a progressive phase shift of the fluctuating pressures acting along the length of the cutoff, thereby resulting in some reduction of the radiated sound.
  • the present invention provides a more efficient quiet fan via the integration of high efficiency fan designs and adaptive active cancellation of tonal noise.
  • the efficiency of the fan is improved by reducing clearances within the fan such as those between the impeller and the fan casing, between the impeller blades and the struts and between the impeller blades and the fan cutoff.
  • reducing these clearances results in an increase on the tonal noise at multiples of the blade passage frequency.
  • These tones are cancelled by an active adaptive method that automatically adapts to changes in the noise, frequency, phase and amplitude of the tonal noise components.
  • the method of the invention ehminates the duct reqtiired by prior art active cancellation systems and the current invention cancels noise both at the inlet side and the outlet side of the fan.
  • Fig 12 shows another two speaker embodiment of this invention.
  • Figure 3 and 4 show the invention applied to an axial fan 50. Again the clearances 51 between the fan tip 52 blades and the surrounding housing 53 have been reduced to improve the efficiency of the fan.
  • the resulting tonal noise is generated, primarily, by pressure differentials as the fan blade pass by struts, as at 54, supporting the fan.
  • a short length of tapered duct 55 is used to provide the required acoustic coupling at the frequencies required to be cancelled. Often it is the blade passage frequency and its harmonics although noise at the rotation rate of the fan shaft may also be present.
  • the cancelling noise source such as speakers 56, 57, is placed, or ducted, into the fan duct.
  • the cancelling noise source can consist of loud speakers or piezo-electrical elements.
  • a sound sensor, as at 58 or 59, such as a microphone, providing an error signal and an active cancellation controller are provided as described with the centrifugal fan.

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)
  • Control Of Positive-Displacement Air Blowers (AREA)

Abstract

Nouveau type de ventilateur compact à haute performance doté de microphones (74, 75), d'un haut-parleur (69, 70) et d'une unité de régulation (73) de l'élimination sonore totalement adaptable. La configuration du ventilateur élimine le bruit à large bande et l'unité de régulation réduit les composants sonores restants, ce qui permet d'obtenir un ventilateur silencieux à haute performance.
PCT/US1991/004876 1991-07-16 1991-07-16 Ventilateur a haute performance dote d'un systeme d'elimination sonore adaptable WO1993002445A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SK51-94A SK5194A3 (sk) 1991-07-16 1991-07-16 Vyxokoúčinný ventilátor s adaptabilným odstraňovaním hluku
JP4502928A JPH06508695A (ja) 1991-07-16 1991-07-16 適応騒音消去高効率ファン
EP92902773A EP0594626A4 (en) 1991-07-16 1991-07-16 High efficiency fan with adaptive noise cancellation
CA002113068A CA2113068A1 (fr) 1991-07-16 1991-07-16 Ventilateur haut rendement avec dispositif insonorisant entierement adoptable
PCT/US1991/004876 WO1993002445A1 (fr) 1991-07-16 1991-07-16 Ventilateur a haute performance dote d'un systeme d'elimination sonore adaptable
CS9466A CZ6694A3 (en) 1991-07-16 1991-07-16 High-effective ventilator with adaptable noise removal
NO940127A NO940127D0 (no) 1991-07-16 1994-01-13 Hoeyeffektivitetsvifte med adaptiv stoeyannullering
FI940182A FI940182A (fi) 1991-07-16 1994-01-14 Suuritehokkuuksinen puhallin varustettuna adaptiivisella melunpoistolla

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002113068A CA2113068A1 (fr) 1991-07-16 1991-07-16 Ventilateur haut rendement avec dispositif insonorisant entierement adoptable
PCT/US1991/004876 WO1993002445A1 (fr) 1991-07-16 1991-07-16 Ventilateur a haute performance dote d'un systeme d'elimination sonore adaptable

Publications (1)

Publication Number Publication Date
WO1993002445A1 true WO1993002445A1 (fr) 1993-02-04

Family

ID=25676915

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1991/004876 WO1993002445A1 (fr) 1991-07-16 1991-07-16 Ventilateur a haute performance dote d'un systeme d'elimination sonore adaptable

Country Status (7)

Country Link
EP (1) EP0594626A4 (fr)
JP (1) JPH06508695A (fr)
CA (1) CA2113068A1 (fr)
CZ (1) CZ6694A3 (fr)
FI (1) FI940182A (fr)
NO (1) NO940127D0 (fr)
WO (1) WO1993002445A1 (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995011386A1 (fr) * 1993-10-22 1995-04-27 United Technologies Corporation Dispositif d'insonorisation pour cascade d'ailettes a etages multiples
EP0671720A2 (fr) * 1994-03-11 1995-09-13 Gaggenau-Werke Haus- und Lufttechnik GmbH Hotte aspiratrice de buée munie d'un dispositif pour, au moins partiellement, annuleur le bruit par compensation
WO1996003585A1 (fr) * 1994-07-28 1996-02-08 The Boeing Company Controle actif du bruit sonore dans des conduits d'un moteur
EP0887787A2 (fr) * 1997-06-27 1998-12-30 Carrier Corporation Système integré de suppression active du bruit pour unité de traitement d'air
EP0961087A2 (fr) * 1998-05-26 1999-12-01 Carrier Corporation Spirale de ventilateur
DE102008038751B3 (de) * 2008-08-12 2010-04-15 Fresenius Medical Care Deutschland Gmbh Umkehrosmoseanlage mit einer Vorrichtung zur Geräuschminderung sowie Verfahren zur Geräuschminderung einer Umkehrosmoseanlage
US7925028B2 (en) 2007-11-15 2011-04-12 Hitachi, Ltd. Electronic device having a blower with noise control
US8165311B2 (en) 2009-04-06 2012-04-24 International Business Machines Corporation Airflow optimization and noise reduction in computer systems
DE102012103607A1 (de) * 2012-04-24 2013-10-24 WaveScape Technologies GmbH Anordnung zur Verringerung des durch eine Schallquelle verursachten Geräuschs und Verfahren zur Verringerung des Geräuschs
EP2682940A3 (fr) * 2012-07-02 2014-04-16 Huawei Technologies Co., Ltd. Procédé de réduction de bruit, dispositif et système
CN104747484A (zh) * 2014-07-15 2015-07-01 卢满松 自调节低噪音风机
CN104976159A (zh) * 2014-04-11 2015-10-14 中强光电股份有限公司 鼓风机及涡流噪音降低方法
US10408129B1 (en) 2018-03-20 2019-09-10 Kabushiki Kaisha Toshiba Rotor-stator blade interference noise reduction system and flying object
US10473120B2 (en) 2017-03-09 2019-11-12 Denso International America, Inc. Blower assembly having resonators and resonator assembly
KR102101636B1 (ko) * 2018-12-13 2020-04-20 (주)아이앤디자인 복수의 로터를 가진 드론
US11002286B2 (en) * 2018-05-04 2021-05-11 Ningbo Fotile Kitchen Ware Co., Ltd. Volute mechanism of a centrifugal fan
EP4009141A3 (fr) * 2020-12-03 2022-07-06 INTEL Corporation Système et procédés pour remodeler le bruit des ventilateurs dans les dispositifs électroniques
US11841033B2 (en) 2021-01-27 2023-12-12 Makita Corporation Electric powered work machine and method of controlling noise generated by electric powered work machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3169802B2 (ja) * 1995-08-14 2001-05-28 日本電気株式会社 低騒音ファン
WO2021187313A1 (fr) * 2020-03-16 2021-09-23 三菱重工業株式会社 Compresseur

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4506380A (en) * 1982-07-07 1985-03-19 Nissan Motor Company, Limited Method and apparatus for controlling the sound field in a vehicle cabin or the like
US4965832A (en) * 1988-04-29 1990-10-23 The General Electric Company, P.L.C. Active noise control
US4989252A (en) * 1988-09-30 1991-01-29 Kabushiki Kaisha Toshiba Silencer
US5010576A (en) * 1990-01-22 1991-04-23 Westinghouse Electric Corp. Active acoustic attenuation system for reducing tonal noise in rotating equipment

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Publication number Priority date Publication date Assignee Title
EP0050621A1 (fr) * 1980-04-28 1982-05-05 KOOPMANN, Gary H. Systeme de reduction du bruit
DE3209617C2 (de) * 1982-03-17 1985-10-10 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Geräuscharme Turboarbeitsmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506380A (en) * 1982-07-07 1985-03-19 Nissan Motor Company, Limited Method and apparatus for controlling the sound field in a vehicle cabin or the like
US4965832A (en) * 1988-04-29 1990-10-23 The General Electric Company, P.L.C. Active noise control
US4989252A (en) * 1988-09-30 1991-01-29 Kabushiki Kaisha Toshiba Silencer
US5010576A (en) * 1990-01-22 1991-04-23 Westinghouse Electric Corp. Active acoustic attenuation system for reducing tonal noise in rotating equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0594626A4 *

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995011386A1 (fr) * 1993-10-22 1995-04-27 United Technologies Corporation Dispositif d'insonorisation pour cascade d'ailettes a etages multiples
EP0671720A2 (fr) * 1994-03-11 1995-09-13 Gaggenau-Werke Haus- und Lufttechnik GmbH Hotte aspiratrice de buée munie d'un dispositif pour, au moins partiellement, annuleur le bruit par compensation
EP0671720A3 (fr) * 1994-03-11 1996-05-15 Gaggenau Werke Hotte aspiratrice de buée munie d'un dispositif pour, au moins partiellement, annuleur le bruit par compensation.
WO1996003585A1 (fr) * 1994-07-28 1996-02-08 The Boeing Company Controle actif du bruit sonore dans des conduits d'un moteur
EP0887787A2 (fr) * 1997-06-27 1998-12-30 Carrier Corporation Système integré de suppression active du bruit pour unité de traitement d'air
EP0887787A3 (fr) * 1997-06-27 2001-09-12 Carrier Corporation Système integré de suppression active du bruit pour unité de traitement d'air
EP0961087A2 (fr) * 1998-05-26 1999-12-01 Carrier Corporation Spirale de ventilateur
EP0961087A3 (fr) * 1998-05-26 2003-01-08 Carrier Corporation Spirale de ventilateur
US7925028B2 (en) 2007-11-15 2011-04-12 Hitachi, Ltd. Electronic device having a blower with noise control
DE102008038751B3 (de) * 2008-08-12 2010-04-15 Fresenius Medical Care Deutschland Gmbh Umkehrosmoseanlage mit einer Vorrichtung zur Geräuschminderung sowie Verfahren zur Geräuschminderung einer Umkehrosmoseanlage
US8165311B2 (en) 2009-04-06 2012-04-24 International Business Machines Corporation Airflow optimization and noise reduction in computer systems
DE102012103607A1 (de) * 2012-04-24 2013-10-24 WaveScape Technologies GmbH Anordnung zur Verringerung des durch eine Schallquelle verursachten Geräuschs und Verfahren zur Verringerung des Geräuschs
EP2682940A3 (fr) * 2012-07-02 2014-04-16 Huawei Technologies Co., Ltd. Procédé de réduction de bruit, dispositif et système
CN104976159A (zh) * 2014-04-11 2015-10-14 中强光电股份有限公司 鼓风机及涡流噪音降低方法
EP2930373A1 (fr) * 2014-04-11 2015-10-14 Coretronic Corporation Ventilateur et procédé permettant de réduire un bruit parasite
US9790961B2 (en) 2014-04-11 2017-10-17 Coretronic Corporation Blower and method for decreasing eddy noise
CN104747484A (zh) * 2014-07-15 2015-07-01 卢满松 自调节低噪音风机
US10473120B2 (en) 2017-03-09 2019-11-12 Denso International America, Inc. Blower assembly having resonators and resonator assembly
US10408129B1 (en) 2018-03-20 2019-09-10 Kabushiki Kaisha Toshiba Rotor-stator blade interference noise reduction system and flying object
US11002286B2 (en) * 2018-05-04 2021-05-11 Ningbo Fotile Kitchen Ware Co., Ltd. Volute mechanism of a centrifugal fan
KR102101636B1 (ko) * 2018-12-13 2020-04-20 (주)아이앤디자인 복수의 로터를 가진 드론
EP4009141A3 (fr) * 2020-12-03 2022-07-06 INTEL Corporation Système et procédés pour remodeler le bruit des ventilateurs dans les dispositifs électroniques
US12081952B2 (en) 2020-12-03 2024-09-03 Intel Corporation System and methods to reshape fan noise in electronic devices
US11841033B2 (en) 2021-01-27 2023-12-12 Makita Corporation Electric powered work machine and method of controlling noise generated by electric powered work machine

Also Published As

Publication number Publication date
NO940127L (no) 1994-01-13
EP0594626A1 (fr) 1994-05-04
CA2113068A1 (fr) 1993-02-04
FI940182A0 (fi) 1994-01-14
EP0594626A4 (en) 1995-08-23
FI940182A (fi) 1994-01-14
CZ6694A3 (en) 1994-05-18
NO940127D0 (no) 1994-01-13
JPH06508695A (ja) 1994-09-29

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