DE69320436D1 - Adaptives Schalldämpfungssystem einer Verbrennungsvorrichtung - Google Patents
Adaptives Schalldämpfungssystem einer VerbrennungsvorrichtungInfo
- Publication number
- DE69320436D1 DE69320436D1 DE69320436T DE69320436T DE69320436D1 DE 69320436 D1 DE69320436 D1 DE 69320436D1 DE 69320436 T DE69320436 T DE 69320436T DE 69320436 T DE69320436 T DE 69320436T DE 69320436 D1 DE69320436 D1 DE 69320436D1
- Authority
- DE
- Germany
- Prior art keywords
- combustion device
- silencing system
- adaptive silencing
- adaptive
- combustion
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/16—Systems for controlling combustion using noise-sensitive detectors
-
- 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
- G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
- G10K11/17825—Error signals
-
- 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
- G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00013—Reducing thermo-acoustic vibrations by active means
-
- 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
- G10K2210/30—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
- G10K2210/3212—Actuator details, e.g. composition or microstructure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4275653A JPH06129637A (ja) | 1992-10-14 | 1992-10-14 | 燃焼装置 |
JP4275649A JPH06129636A (ja) | 1992-10-14 | 1992-10-14 | 燃焼装置 |
JP5016070A JPH06229544A (ja) | 1993-02-03 | 1993-02-03 | 燃焼装置 |
JP5017180A JPH06229545A (ja) | 1993-02-04 | 1993-02-04 | 燃焼装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320436D1 true DE69320436D1 (de) | 1998-09-24 |
DE69320436T2 DE69320436T2 (de) | 1999-04-29 |
Family
ID=27456493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69320436T Expired - Fee Related DE69320436T2 (de) | 1992-10-14 | 1993-10-13 | Adaptives Schalldämpfungssystem einer Verbrennungsvorrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5445517A (de) |
EP (1) | EP0593045B1 (de) |
KR (1) | KR0130635B1 (de) |
DE (1) | DE69320436T2 (de) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4441364C1 (de) * | 1994-11-21 | 1995-12-07 | Daimler Benz Ag | Verfahren zur Beaufschlagung einer Vorrichtung bzw. Anlage mit alternierendem, pulsierendem bzw. getaktetem Kraft- oder Energiestrom |
US5809769A (en) * | 1996-11-06 | 1998-09-22 | The United States Of America As Represented By The United States Department Of Energy | Combustor oscillation attenuation via the control of fuel-supply line dynamics |
CA2311801A1 (en) * | 1997-11-26 | 1999-06-03 | Gary M. Hazard | Wave flame control |
EP0926325A3 (de) | 1997-12-23 | 2001-04-25 | United Technologies Corporation | Einrichtung für einen mit flüssigem Brennstoff betriebene Brennkammer |
US6560967B1 (en) | 1998-05-29 | 2003-05-13 | Jeffrey Mark Cohen | Method and apparatus for use with a gas fueled combustor |
US6158957A (en) * | 1998-12-23 | 2000-12-12 | United Technologies Corporation | Thermal barrier removal process |
US6398547B1 (en) * | 2000-03-31 | 2002-06-04 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Oxy-fuel combustion firing configurations and methods |
CA2369539C (en) * | 2001-01-30 | 2006-07-11 | Mitsubishi Heavy Industries, Ltd. | Combustion vibration estimating apparatus, plant and gas turbine plant |
US6436337B1 (en) * | 2001-04-27 | 2002-08-20 | Jupiter Oxygen Corporation | Oxy-fuel combustion system and uses therefor |
US6879922B2 (en) * | 2001-09-19 | 2005-04-12 | General Electric Company | Systems and methods for suppressing pressure waves using corrective signal |
DE10213682A1 (de) * | 2002-03-27 | 2003-10-09 | Alstom Switzerland Ltd | Verfahren und Vorrichtung zur Kontrolle von thermoakustischen Instabilitäten bzw. Schwingungen in einem Verbrennungssystem |
GB2393514B (en) | 2002-09-24 | 2005-02-02 | Invensys Controls Uk Ltd | Diagnostic tool for an energy conversion appliance |
US6913457B2 (en) | 2003-07-30 | 2005-07-05 | American Air Liquide, Inc. | Method and apparatus for optimized CO post-combustion in low NOx combustion processes |
US7406820B2 (en) * | 2005-03-25 | 2008-08-05 | Honeywell International Inc. | System and method for turbine engine adaptive control for mitigation of instabilities |
US8028512B2 (en) | 2007-11-28 | 2011-10-04 | Solar Turbines Inc. | Active combustion control for a turbine engine |
US7775320B2 (en) * | 2008-03-20 | 2010-08-17 | Honda Motor Co., Ltd. | Method for reducing noise in a vehicle cabin |
US8331577B2 (en) * | 2008-07-03 | 2012-12-11 | Hewlett-Packard Development Company, L.P. | Electronic device having active noise control with an external sensor |
US8220267B1 (en) * | 2009-10-01 | 2012-07-17 | Florida Turbine Technologies, Inc. | Process to detect two-phase flow in a conduit |
DE102010018659A1 (de) * | 2010-04-28 | 2011-11-03 | J. Eberspächer GmbH & Co. KG | Kolbenmotor, Verfahren und Verwendung |
US8494757B2 (en) * | 2010-08-17 | 2013-07-23 | GM Global Technology Operations LLC | Method for estimating and controlling accoustic noise during combustion |
JP5937611B2 (ja) | 2010-12-03 | 2016-06-22 | シラス ロジック、インコーポレイテッド | パーソナルオーディオデバイスにおける適応ノイズキャンセラの監視制御 |
US8908877B2 (en) | 2010-12-03 | 2014-12-09 | Cirrus Logic, Inc. | Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices |
US8958571B2 (en) * | 2011-06-03 | 2015-02-17 | Cirrus Logic, Inc. | MIC covering detection in personal audio devices |
US9214150B2 (en) | 2011-06-03 | 2015-12-15 | Cirrus Logic, Inc. | Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9318094B2 (en) | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
US9824677B2 (en) | 2011-06-03 | 2017-11-21 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
US8948407B2 (en) | 2011-06-03 | 2015-02-03 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
US9325821B1 (en) * | 2011-09-30 | 2016-04-26 | Cirrus Logic, Inc. | Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling |
US9014387B2 (en) | 2012-04-26 | 2015-04-21 | Cirrus Logic, Inc. | Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels |
US9142205B2 (en) | 2012-04-26 | 2015-09-22 | Cirrus Logic, Inc. | Leakage-modeling adaptive noise canceling for earspeakers |
US9123321B2 (en) | 2012-05-10 | 2015-09-01 | Cirrus Logic, Inc. | Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system |
US9319781B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC) |
US9318090B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system |
US9082387B2 (en) | 2012-05-10 | 2015-07-14 | Cirrus Logic, Inc. | Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9532139B1 (en) | 2012-09-14 | 2016-12-27 | Cirrus Logic, Inc. | Dual-microphone frequency amplitude response self-calibration |
US20140165576A1 (en) * | 2012-12-13 | 2014-06-19 | General Electric Company | Active control fuel nozzle system |
US9107010B2 (en) | 2013-02-08 | 2015-08-11 | Cirrus Logic, Inc. | Ambient noise root mean square (RMS) detector |
US9369798B1 (en) | 2013-03-12 | 2016-06-14 | Cirrus Logic, Inc. | Internal dynamic range control in an adaptive noise cancellation (ANC) system |
US9414150B2 (en) | 2013-03-14 | 2016-08-09 | Cirrus Logic, Inc. | Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device |
US9215749B2 (en) | 2013-03-14 | 2015-12-15 | Cirrus Logic, Inc. | Reducing an acoustic intensity vector with adaptive noise cancellation with two error microphones |
US9635480B2 (en) | 2013-03-15 | 2017-04-25 | Cirrus Logic, Inc. | Speaker impedance monitoring |
US9324311B1 (en) | 2013-03-15 | 2016-04-26 | Cirrus Logic, Inc. | Robust adaptive noise canceling (ANC) in a personal audio device |
US9208771B2 (en) | 2013-03-15 | 2015-12-08 | Cirrus Logic, Inc. | Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9467776B2 (en) | 2013-03-15 | 2016-10-11 | Cirrus Logic, Inc. | Monitoring of speaker impedance to detect pressure applied between mobile device and ear |
US10206032B2 (en) | 2013-04-10 | 2019-02-12 | Cirrus Logic, Inc. | Systems and methods for multi-mode adaptive noise cancellation for audio headsets |
US9462376B2 (en) | 2013-04-16 | 2016-10-04 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
US9460701B2 (en) | 2013-04-17 | 2016-10-04 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by biasing anti-noise level |
US9478210B2 (en) | 2013-04-17 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
US9578432B1 (en) | 2013-04-24 | 2017-02-21 | Cirrus Logic, Inc. | Metric and tool to evaluate secondary path design in adaptive noise cancellation systems |
US9264808B2 (en) | 2013-06-14 | 2016-02-16 | Cirrus Logic, Inc. | Systems and methods for detection and cancellation of narrow-band noise |
US9392364B1 (en) | 2013-08-15 | 2016-07-12 | Cirrus Logic, Inc. | Virtual microphone for adaptive noise cancellation in personal audio devices |
US9666176B2 (en) | 2013-09-13 | 2017-05-30 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path |
US9620101B1 (en) | 2013-10-08 | 2017-04-11 | Cirrus Logic, Inc. | Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation |
US10219071B2 (en) | 2013-12-10 | 2019-02-26 | Cirrus Logic, Inc. | Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation |
US9704472B2 (en) | 2013-12-10 | 2017-07-11 | Cirrus Logic, Inc. | Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system |
US10382864B2 (en) | 2013-12-10 | 2019-08-13 | Cirrus Logic, Inc. | Systems and methods for providing adaptive playback equalization in an audio device |
US9369557B2 (en) | 2014-03-05 | 2016-06-14 | Cirrus Logic, Inc. | Frequency-dependent sidetone calibration |
US9479860B2 (en) | 2014-03-07 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for enhancing performance of audio transducer based on detection of transducer status |
US9648410B1 (en) | 2014-03-12 | 2017-05-09 | Cirrus Logic, Inc. | Control of audio output of headphone earbuds based on the environment around the headphone earbuds |
US9319784B2 (en) | 2014-04-14 | 2016-04-19 | Cirrus Logic, Inc. | Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9609416B2 (en) | 2014-06-09 | 2017-03-28 | Cirrus Logic, Inc. | Headphone responsive to optical signaling |
US10181315B2 (en) | 2014-06-13 | 2019-01-15 | Cirrus Logic, Inc. | Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system |
US9478212B1 (en) | 2014-09-03 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device |
US9552805B2 (en) | 2014-12-19 | 2017-01-24 | Cirrus Logic, Inc. | Systems and methods for performance and stability control for feedback adaptive noise cancellation |
EP3104078A1 (de) * | 2015-06-12 | 2016-12-14 | IFTA Ingenieurbüro Für Thermoakustik GmbH | Thermoakustisches vorläuferverfahren und vorrichtung |
KR20180044324A (ko) | 2015-08-20 | 2018-05-02 | 시러스 로직 인터내셔널 세미컨덕터 리미티드 | 피드백 적응적 잡음 소거(anc) 제어기 및 고정 응답 필터에 의해 부분적으로 제공되는 피드백 응답을 갖는 방법 |
US9578415B1 (en) | 2015-08-21 | 2017-02-21 | Cirrus Logic, Inc. | Hybrid adaptive noise cancellation system with filtered error microphone signal |
US10013966B2 (en) | 2016-03-15 | 2018-07-03 | Cirrus Logic, Inc. | Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device |
CN108870439A (zh) * | 2018-07-27 | 2018-11-23 | 中国东方电气集团有限公司 | 一种用于燃烧设备的燃烧振荡控制结构 |
IT202000029960A1 (it) * | 2020-12-04 | 2022-06-04 | Beckett Thermal Solutions S R L | Sistema e metodo di combustione, in particolare per caldaia |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577322A (en) * | 1976-05-13 | 1980-10-22 | Bearcroft R | Active attenuation of recurring vibrations |
US4583936A (en) * | 1983-06-24 | 1986-04-22 | Gas Research Institute | Frequency modulated burner system |
JPS61296392A (ja) * | 1985-06-26 | 1986-12-27 | 日立プラント建設株式会社 | 電子消音システム |
FR2645247B2 (fr) * | 1988-06-22 | 1991-06-07 | Centre Nat Rech Scient | Procede et dispositif de controle actif des instabilites de combustion |
JPH02285799A (ja) * | 1989-04-27 | 1990-11-26 | Bridgestone Corp | ファン騒音制御装置 |
JPH0336897A (ja) * | 1989-07-03 | 1991-02-18 | Hitachi Plant Eng & Constr Co Ltd | 電子消音システム |
JPH0376500A (ja) * | 1989-08-18 | 1991-04-02 | Hitachi Plant Eng & Constr Co Ltd | 電子消音システム |
GB2239961A (en) * | 1990-01-02 | 1991-07-17 | Gen Electric | Control of combustion-induced instabilities |
US5105377A (en) * | 1990-02-09 | 1992-04-14 | Noise Cancellation Technologies, Inc. | Digital virtual earth active cancellation system |
US5229556A (en) * | 1990-04-25 | 1993-07-20 | Ford Motor Company | Internal ported band pass enclosure for sound cancellation |
US5060271A (en) * | 1990-05-04 | 1991-10-22 | Ford Motor Company | Active muffler with dynamic tuning |
JPH04272416A (ja) * | 1991-01-29 | 1992-09-29 | Sango:Kk | アクティブキャンセルマフラ |
US5325438A (en) * | 1993-02-01 | 1994-06-28 | At&T Bell Laboratories | Active noise-cancellation system for automotive mufflers |
-
1993
- 1993-10-12 KR KR1019930021054A patent/KR0130635B1/ko not_active IP Right Cessation
- 1993-10-13 US US08/135,494 patent/US5445517A/en not_active Expired - Lifetime
- 1993-10-13 DE DE69320436T patent/DE69320436T2/de not_active Expired - Fee Related
- 1993-10-13 EP EP93116584A patent/EP0593045B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69320436T2 (de) | 1999-04-29 |
EP0593045A2 (de) | 1994-04-20 |
KR940009588A (ko) | 1994-05-20 |
US5445517A (en) | 1995-08-29 |
EP0593045B1 (de) | 1998-08-19 |
KR0130635B1 (ko) | 1998-04-09 |
EP0593045A3 (en) | 1994-06-08 |
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DE69313199T2 (de) | Kleinmotor | |
DE69317193D1 (de) | Motorregelsystem | |
DE58909637D1 (de) | Zündendstufe einer transistor-zündanlage | |
DE69606390T2 (de) | Regelung einer brennanlage | |
DK147892D0 (da) | Forbraendingsmotor | |
KR920019774U (ko) | 자동차용 소음기 | |
KR930020060U (ko) | 보일러용 연소장치 | |
DE69327104T2 (de) | Brennkraftmaschine | |
KR940010579U (ko) | 보일러의 배기조절장치 | |
ATA177892A (de) | Verbrennungseinrichtung |
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8339 | Ceased/non-payment of the annual fee |