EP0671720A3 - Vapour extracting hood with at least partial cancellation of noise by compensation. - Google Patents

Vapour extracting hood with at least partial cancellation of noise by compensation. Download PDF

Info

Publication number
EP0671720A3
EP0671720A3 EP95102301A EP95102301A EP0671720A3 EP 0671720 A3 EP0671720 A3 EP 0671720A3 EP 95102301 A EP95102301 A EP 95102301A EP 95102301 A EP95102301 A EP 95102301A EP 0671720 A3 EP0671720 A3 EP 0671720A3
Authority
EP
European Patent Office
Prior art keywords
compensation
noise
partial cancellation
extracting hood
vapour
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.)
Withdrawn
Application number
EP95102301A
Other languages
German (de)
French (fr)
Other versions
EP0671720A2 (en
Inventor
Joachim Dr Damrath
Martin Dr Kornberger
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.)
Gaggenau Werke Haus und Lufttechnik GmbH
Original Assignee
Gaggenau Werke Haus und Lufttechnik GmbH
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 Gaggenau Werke Haus und Lufttechnik GmbH filed Critical Gaggenau Werke Haus und Lufttechnik GmbH
Publication of EP0671720A2 publication Critical patent/EP0671720A2/en
Publication of EP0671720A3 publication Critical patent/EP0671720A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • 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
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • 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
    • 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
    • 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
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3032—Harmonics or sub-harmonics
    • 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
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3216—Cancellation means disposed in the vicinity of the source
    • 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
    • G10K2210/3219—Geometry of the configuration
EP95102301A 1994-03-11 1995-02-18 Vapour extracting hood with at least partial cancellation of noise by compensation. Withdrawn EP0671720A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4408278A DE4408278A1 (en) 1994-03-11 1994-03-11 Extractor hood with at least partial cancellation of the fan noise
DE4408278 1994-03-11

Publications (2)

Publication Number Publication Date
EP0671720A2 EP0671720A2 (en) 1995-09-13
EP0671720A3 true EP0671720A3 (en) 1996-05-15

Family

ID=6512532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102301A Withdrawn EP0671720A3 (en) 1994-03-11 1995-02-18 Vapour extracting hood with at least partial cancellation of noise by compensation.

Country Status (2)

Country Link
EP (1) EP0671720A3 (en)
DE (1) DE4408278A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6049615A (en) * 1997-06-27 2000-04-11 Carrier Corporation Intergrated active noise control system for air handling unit
DE10127040B4 (en) * 2001-06-02 2005-08-11 Electrolux Ag Household appliance such as extractor hood with noise suppression
DE10160465C2 (en) * 2001-12-10 2003-10-02 Elaplast Technik Gmbh Electrical device with silencer
GB2413379A (en) * 2004-04-24 2005-10-26 Kun Ta Lee A smoke exhauster featuring an external blowing device
DE102005057399B4 (en) * 2005-11-30 2015-12-24 Siemens Aktiengesellschaft Gas flow generator with a gas outlet and with a noise reducer and method
DE102007060679A1 (en) 2007-12-17 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Method and device for suppressing, but at least reducing, disturbing vibrations in a motor-operated device, in particular a domestic appliance
ITAN20120079U1 (en) 2011-11-21 2013-05-22 Sipe Srl SILENT SMOKE SUCTION HOOD.
US9508337B2 (en) 2013-05-17 2016-11-29 Ask Industries Societa Per Azioni Low-noise fume extractor hood
CN103994485A (en) * 2014-05-08 2014-08-20 宁波方太厨具有限公司 Vertical range-hood active noise reduction device and noise reduction method with application of device
JP2016061535A (en) * 2014-09-22 2016-04-25 パナソニックＩｐマネジメント株式会社 Range hood
DE102014221787B4 (en) 2014-10-27 2021-11-25 BSH Hausgeräte GmbH Household appliance and method for operating a household appliance
CN108916952B (en) * 2018-03-08 2020-08-14 佛山市云米电器科技有限公司 Range hood with three-dimensional space sound field noise reduction device and noise reduction method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438796A1 (en) * 1978-10-13 1980-05-09 Anvar Noise reduction in gas and smoke exhaust systems - is by propagation of out-of-phase acoustic waves by loudspeakers along three sides of rectangular structure
DE3120569A1 (en) * 1981-05-23 1982-12-09 G. Bauknecht Gmbh, 7000 Stuttgart Kitchen vapour extractor hood
DE3225258A1 (en) * 1982-07-06 1984-01-12 Guido Oberdorfer Wap-Maschinen, 7919 Bellenberg DIRT CLEANER
JPH03188798A (en) * 1989-12-19 1991-08-16 Hitachi Plant Eng & Constr Co Ltd Electronic silencing system
WO1992017936A1 (en) * 1991-04-05 1992-10-15 Applied Acoustic Research Active noise control
EP0525456A1 (en) * 1991-07-10 1993-02-03 Sharp Kabushiki Kaisha System using plurality of adaptive digital filters
WO1993002445A1 (en) * 1991-07-16 1993-02-04 Noise Cancellation Technologies, Inc. High efficiency fan with adaptive noise cancellation
US5206911A (en) * 1992-02-11 1993-04-27 Nelson Industries, Inc. Correlated active attenuation system with error and correction signal input
WO1994001810A1 (en) * 1992-07-14 1994-01-20 Noise Cancellation Technologies, Inc. Low cost controller
EP0596846A1 (en) * 1992-11-03 1994-05-11 Aktiebolaget Electrolux Kitchen ventilator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU836653A1 (en) * 1979-07-18 1981-06-07 Научно-Исследовательский Институтстроительной Физики Госстроя Cccp Device for suppressing noise in air duct
DE3209617C2 (en) * 1982-03-17 1985-10-10 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Low noise turbo working machine
JP2598483B2 (en) * 1988-09-05 1997-04-09 日立プラント建設株式会社 Electronic silencing system
DE9101095U1 (en) * 1991-01-31 1991-04-18 Invent Gmbh - Entwicklung Neuer Technologien, 8520 Erlangen, De
DE4233312A1 (en) * 1992-10-03 1994-04-07 Ilyas Dipl Ing Oezpolat Vapour exhaust hood with collector housing and duct to fan - has elbow, forming duct deflector, fitted with sound damping insert on outside.
DE4243945A1 (en) * 1992-12-23 1994-06-30 Bosch Siemens Hausgeraete Extractor hood with an acoustic sensor section

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438796A1 (en) * 1978-10-13 1980-05-09 Anvar Noise reduction in gas and smoke exhaust systems - is by propagation of out-of-phase acoustic waves by loudspeakers along three sides of rectangular structure
DE3120569A1 (en) * 1981-05-23 1982-12-09 G. Bauknecht Gmbh, 7000 Stuttgart Kitchen vapour extractor hood
DE3225258A1 (en) * 1982-07-06 1984-01-12 Guido Oberdorfer Wap-Maschinen, 7919 Bellenberg DIRT CLEANER
JPH03188798A (en) * 1989-12-19 1991-08-16 Hitachi Plant Eng & Constr Co Ltd Electronic silencing system
WO1992017936A1 (en) * 1991-04-05 1992-10-15 Applied Acoustic Research Active noise control
EP0525456A1 (en) * 1991-07-10 1993-02-03 Sharp Kabushiki Kaisha System using plurality of adaptive digital filters
WO1993002445A1 (en) * 1991-07-16 1993-02-04 Noise Cancellation Technologies, Inc. High efficiency fan with adaptive noise cancellation
US5206911A (en) * 1992-02-11 1993-04-27 Nelson Industries, Inc. Correlated active attenuation system with error and correction signal input
WO1994001810A1 (en) * 1992-07-14 1994-01-20 Noise Cancellation Technologies, Inc. Low cost controller
EP0596846A1 (en) * 1992-11-03 1994-05-11 Aktiebolaget Electrolux Kitchen ventilator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 15, no. 444 (E - 1132) 12 November 1991 (1991-11-12) *

Also Published As

Publication number Publication date
EP0671720A2 (en) 1995-09-13
DE4408278A1 (en) 1995-09-14

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