DE3161106D1 - Silenced turbo-machine - Google Patents

Silenced turbo-machine

Info

Publication number
DE3161106D1
DE3161106D1 DE8181103122T DE3161106T DE3161106D1 DE 3161106 D1 DE3161106 D1 DE 3161106D1 DE 8181103122 T DE8181103122 T DE 8181103122T DE 3161106 T DE3161106 T DE 3161106T DE 3161106 D1 DE3161106 D1 DE 3161106D1
Authority
DE
Germany
Prior art keywords
silenced
turbo
machine
silenced turbo
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
Application number
DE8181103122T
Other languages
German (de)
Inventor
Wolfgang Dr Ing Neise
Gary H Prof Dr Koopmann
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
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 Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR filed Critical Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Application granted granted Critical
Publication of DE3161106D1 publication Critical patent/DE3161106D1/en
Expired 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

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)
DE8181103122T 1980-04-28 1981-04-25 Silenced turbo-machine Expired DE3161106D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/000466 WO1981003201A1 (en) 1980-04-28 1980-04-28 Noise reduction system

Publications (1)

Publication Number Publication Date
DE3161106D1 true DE3161106D1 (en) 1983-11-10

Family

ID=22154300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181103122T Expired DE3161106D1 (en) 1980-04-28 1981-04-25 Silenced turbo-machine

Country Status (3)

Country Link
EP (2) EP0050621A1 (en)
DE (1) DE3161106D1 (en)
WO (1) WO1981003201A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
BR8807679A (en) * 1988-05-25 1990-06-05 Univ Druzhby Narodov RADIAL REED FAN
EP0466983A1 (en) * 1990-07-16 1992-01-22 Crosslee Plc Noise suppression
GB2253076B (en) * 1991-02-21 1994-08-03 Lotus Car Method and apparatus for attenuating acoustic vibrations in a medium
WO1993002445A1 (en) * 1991-07-16 1993-02-04 Noise Cancellation Technologies, Inc. High efficiency fan with adaptive noise cancellation
DE4219249C2 (en) * 1992-06-12 1994-03-31 Kuehnle Kopp Kausch Ag Radial compressor, especially a turbocharger
US5340275A (en) * 1993-08-02 1994-08-23 Foster Wheeler Energy Corporation Rotary throat cutoff device and method for reducing centrifugal fan noise
JP3299638B2 (en) * 1994-09-20 2002-07-08 株式会社日立製作所 Turbo fluid machine
IT241428Y1 (en) * 1996-11-22 2001-05-09 Casappa Spa REDUCED PRESSURE PULSE HYDRAULIC PUMP.
DE19818873C2 (en) * 1998-04-28 2001-07-05 Man B & W Diesel Ag Reciprocating internal combustion engine
DE19818874C2 (en) * 1998-04-28 2001-06-07 Man B & W Diesel As Kopenhagen Reciprocating machine
FR2780454B1 (en) * 1998-06-29 2001-01-26 Valeo Climatisation NOISE ABSORPTION DEVICE FOR CENTRIFUGAL MOTOR-FAN GROUP
US6379110B1 (en) * 1999-02-25 2002-04-30 United Technologies Corporation Passively driven acoustic jet controlling boundary layers
DE10058688B4 (en) 2000-11-25 2011-08-11 Alstom Technology Ltd. Damper arrangement for the reduction of combustion chamber pulsations
SE0004624D0 (en) * 2000-12-14 2000-12-14 Flaekt Ab Fluid transport system
DE10143686B4 (en) * 2001-08-31 2016-07-21 Volkswagen Ag Ventilation device for internal combustion engines
AUPR982302A0 (en) 2002-01-03 2002-01-31 Pax Fluid Systems Inc. A fluid flow controller
FR2856442B1 (en) * 2003-06-19 2006-08-04 Renault Sa CENTRIFUGAL VENTILATON DEVICE.
EP1714039A4 (en) * 2004-01-30 2007-05-09 Pax Scient Inc Housing for a centrifugal fan, pump or turbine
WO2005073560A1 (en) 2004-01-30 2005-08-11 Pax Scientific, Inc A vortical flow rotor
US7992674B2 (en) 2008-06-13 2011-08-09 The Penn State Research Foundation Dipole flow driven resonators for fan noise mitigation
DE102011120347A1 (en) 2011-11-30 2013-06-06 Maik Hentschel Structured multi-layer tubular air charge line for internal combustion engine, has inner layer for thermal and sound insulation which is made of thermoplastic foam layer of variable layer thickness and formed by blow molding process
US9752494B2 (en) 2013-03-15 2017-09-05 Kohler Co. Noise suppression systems
US9388731B2 (en) 2013-03-15 2016-07-12 Kohler Co. Noise suppression system
DE102014206114A1 (en) 2014-04-01 2015-10-01 Mahle International Gmbh Housing of a radial fan
US10393384B2 (en) * 2015-06-09 2019-08-27 Rolls-Royce North American Technologies Inc. Wave rotor with canceling resonator
CN108087340A (en) * 2016-11-21 2018-05-29 英业达科技有限公司 Centrifugal fan structure
US10473120B2 (en) 2017-03-09 2019-11-12 Denso International America, Inc. Blower assembly having resonators and resonator assembly
CN109654067B (en) * 2017-10-12 2021-02-02 英业达科技有限公司 Mute fan
CN108506231B (en) * 2018-03-22 2020-06-12 英业达科技有限公司 Fan device
CN110439860A (en) * 2018-05-04 2019-11-12 宁波方太厨具有限公司 A kind of volute structure of centrifugal blower
DE102021101197B3 (en) 2021-01-21 2022-03-10 Voith Patent Gmbh Francis type hydraulic machine
GB2606704B (en) * 2021-04-29 2023-12-27 Dyson Technology Ltd Noise reduction for air flow devices
DE102021133907A1 (en) 2021-12-20 2023-06-22 Viessmann Climate Solutions Se compressor device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL94357C (en) * 1900-01-01
NL41785C (en) * 1900-01-01
US2160666A (en) * 1936-06-01 1939-05-30 Gen Electric Fan
US2171341A (en) * 1936-06-01 1939-08-29 Gen Electric Fan casing
US2403699A (en) * 1936-12-12 1946-07-09 Gen Motors Corp Resonator silencer
US2225398A (en) * 1939-09-13 1940-12-17 Clyde M Hamblin Construction of ventilating fans
US2514344A (en) * 1944-07-10 1950-07-04 Stromberg Carlson Co Adjustable acoustic impedance
NL67569C (en) * 1948-01-26
US3572962A (en) * 1969-06-02 1971-03-30 Canadian Patents Dev Stator blading for noise reduction in turbomachinery
US4174020A (en) * 1975-07-01 1979-11-13 Challis Louis A Acoustic treatment for fans
AU502370B2 (en) * 1975-07-01 1979-07-26 Louis A. Challis Acoustic treatment for fans
FR2393960A1 (en) * 1977-06-08 1979-01-05 Berry Sa Silencing system for axial flow fan - has glass wool lined duct with resonator tubes tuned to absorb sound of different frequencies
ZA783845B (en) * 1977-07-13 1979-07-25 Carrier Corp Pressure variation absorber

Also Published As

Publication number Publication date
EP0050621A1 (en) 1982-05-05
EP0039459A1 (en) 1981-11-11
WO1981003201A1 (en) 1981-11-12
EP0039459B1 (en) 1983-10-05

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee