RO81847A - Atenuator de zgomot - Google Patents
Atenuator de zgomotInfo
- Publication number
- RO81847A RO81847A RO7893721A RO9372178A RO81847A RO 81847 A RO81847 A RO 81847A RO 7893721 A RO7893721 A RO 7893721A RO 9372178 A RO9372178 A RO 9372178A RO 81847 A RO81847 A RO 81847A
- Authority
- RO
- Romania
- Prior art keywords
- attention
- noise
- noise attention
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0281—Multilayer duct
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pipe Accessories (AREA)
- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Invalid Beds And Related Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU77FU354A HU182491B (en) | 1977-04-08 | 1977-04-08 | Sound-damping deviceparticularly for reducing noise spreading in air duct |
Publications (2)
Publication Number | Publication Date |
---|---|
RO81847B RO81847B (ro) | 1983-05-30 |
RO81847A true RO81847A (ro) | 1983-06-01 |
Family
ID=10996358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7893721A RO81847A (ro) | 1977-04-08 | 1978-04-04 | Atenuator de zgomot |
Country Status (12)
Country | Link |
---|---|
US (1) | US4236597A (ro) |
CH (1) | CH631565A5 (ro) |
DD (1) | DD135755A5 (ro) |
DE (1) | DE2814717C3 (ro) |
FR (1) | FR2386767A1 (ro) |
GB (1) | GB1598758A (ro) |
HU (1) | HU182491B (ro) |
IT (1) | IT1104919B (ro) |
NL (1) | NL7803474A (ro) |
PL (1) | PL205855A1 (ro) |
RO (1) | RO81847A (ro) |
YU (1) | YU82878A (ro) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS638357B2 (ro) * | 1979-03-07 | 1988-02-22 | Kyatapiraa Inc | |
US4281740A (en) * | 1979-07-09 | 1981-08-04 | Allied Chemical Corporation | Muffler |
JPS5689088U (ro) * | 1979-12-13 | 1981-07-16 | ||
DE3220022C2 (de) * | 1982-05-27 | 1985-04-04 | Cellofoam Deutschland Gmbh, 7950 Biberach | Schalldämpfeinrichtung für von Luft durchströmte Kanäle in Klimaanlagen und dergl. |
DE3220023C2 (de) * | 1982-05-27 | 1993-05-27 | Cellofoam Deutschland Gmbh, 7950 Biberach | Schalldämpfender Strömungskanal und Verfahren zu seiner Herstellung |
JPS59183018A (ja) * | 1983-04-01 | 1984-10-18 | Toyota Motor Corp | 消音器 |
US4582164A (en) * | 1985-03-06 | 1986-04-15 | Carrier Corporation | Method and apparatus for noise reduction |
FI91995C (fi) * | 1990-11-20 | 1994-09-12 | Valmet Paper Machinery Inc | Absorptiivinen äänenvaimennin, etenkin paperitehtaiden ilmakanaviin |
FI95747B (fi) * | 1991-01-17 | 1995-11-30 | Valmet Paper Machinery Inc | Matalien taajuuksien äänenvaimennin paperitehtaiden ilmakanaviin |
US5274201A (en) * | 1992-12-14 | 1993-12-28 | Dynamic Air, Inc. | Noise muffler for an air blower |
US5532439A (en) * | 1994-06-23 | 1996-07-02 | Transco Products Inc. | Silencer assembly with acoustical modules therein |
JP3331376B2 (ja) * | 1995-02-14 | 2002-10-07 | 金尾 茂樹 | ケーブル保護管 |
US5679931A (en) * | 1995-07-10 | 1997-10-21 | Aaf-International | Sound attenuating apparatus and method of forming the same |
US5663535A (en) * | 1995-08-28 | 1997-09-02 | Venturedyne, Ltd. | Sound attenuator for HVAC systems |
US5696361A (en) * | 1995-11-13 | 1997-12-09 | Chen; Chia-Hsien | Multi-ducts sound eliminator for air pipe |
JPH09280430A (ja) * | 1996-04-10 | 1997-10-31 | Toutaku Kogyo Kk | 樹脂製波形管 |
DE19618396A1 (de) * | 1996-05-08 | 1997-11-13 | Bayerische Motoren Werke Ag | Belüftungseinrichtung für einen Personenkraftwagen sowie Betriebsverfahren hierfür |
US6668970B1 (en) | 2001-06-06 | 2003-12-30 | Acoustic Horizons, Inc. | Acoustic attenuator |
SE522922C2 (sv) * | 2001-08-07 | 2004-03-16 | Keyvent Ab | Ljuddämpare för evakueringsluft vid fläktaggregat |
DE10161436C1 (de) * | 2001-12-14 | 2003-07-03 | Porsche Ag | Ansauggeräuschdämpfer |
US7011180B2 (en) * | 2002-09-18 | 2006-03-14 | Savant Measurement Corporation | System for filtering ultrasonic noise within a fluid flow system |
US7073625B2 (en) * | 2003-09-22 | 2006-07-11 | Barth Randolph S | Exhaust gas muffler and flow director |
US7194769B2 (en) * | 2003-12-11 | 2007-03-20 | Massachusetts Institute Of Technology | Network security planning architecture |
JP2007536492A (ja) * | 2004-05-07 | 2007-12-13 | サイレンスエア インターナショナル ピーティーワイ リミテッド | 換気装置及びフレームシステム |
ES2439222T3 (es) * | 2005-03-18 | 2014-01-22 | Tumane Enterprises Limited | Dispositivo de canal de flujo de amortiguación de sonido |
WO2006133078A1 (en) * | 2005-06-06 | 2006-12-14 | Ingersoll-Rand Company | Air intake silencer assembly |
US7971252B2 (en) | 2006-06-09 | 2011-06-28 | Massachusetts Institute Of Technology | Generating a multiple-prerequisite attack graph |
US7712577B2 (en) * | 2007-03-02 | 2010-05-11 | Gm Global Technology Operations, Inc. | Air induction housing having a perforated sound attenuation wall |
WO2008113159A1 (en) * | 2007-03-16 | 2008-09-25 | E.H. Price Ltd. | Fan powered silencing terminal unit |
US8210308B2 (en) * | 2007-03-16 | 2012-07-03 | E.H. Price Ltd. | Sound attentuator |
US20080236938A1 (en) * | 2007-03-30 | 2008-10-02 | Siemens Vdo Automotive, Inc. | Induction system duct with noise attenuating holes |
US7845688B2 (en) | 2007-04-04 | 2010-12-07 | Savant Measurement Corporation | Multiple material piping component |
US7694660B2 (en) * | 2008-03-28 | 2010-04-13 | Gm Global Technology Operations, Inc. | Air induction housing having a perforated wall and interfacing sound attenuation chamber |
FI122523B (fi) * | 2008-04-30 | 2012-03-15 | Metso Paper Inc | Matalien taajuksien äänenvaimennin, menetelmä matalien taajuuksien äänenvaimentimen valmistamiseksi ja järjestelmä matalien taajuuksien vaimentamiseksi esimerkiksi paperitehtaiden ilmastointikanavissa |
US8240427B2 (en) * | 2008-10-01 | 2012-08-14 | General Electric Company | Sound attenuation systems and methods |
FI124494B (fi) | 2010-05-12 | 2014-09-30 | Jeven Oy | Vaimennusosa ilmanvaihtokanavan äänenvaimenninta varten ja ilmanvaihtokanavan äänenvaimennin |
US8651800B2 (en) | 2010-06-04 | 2014-02-18 | Gm Global Technology Operations Llp | Induction system with air flow rotation and noise absorber for turbocharger applications |
US8066096B1 (en) * | 2010-11-04 | 2011-11-29 | Hamilton Sundstrand Corporation | Inlet silencer |
US8939126B2 (en) | 2011-07-22 | 2015-01-27 | GM Global Technology Operations LLC | Vehicle with variable air intake system |
JP5395136B2 (ja) * | 2011-09-02 | 2014-01-22 | ダイキン工業株式会社 | 室外機 |
GB2501867B (en) * | 2012-03-19 | 2019-03-20 | Nuaire Ltd | Acoustically attenuated ventilation system |
DE102012208621A1 (de) * | 2012-05-23 | 2013-12-12 | BSH Bosch und Siemens Hausgeräte GmbH | Abdeckgitter für eine Ein- oder Austrittsöffnung eines von einem gasförmigen Medium durchströmten Kanals |
KR102160310B1 (ko) * | 2013-03-06 | 2020-09-28 | 에이비비 터보 시스템즈 아게 | 배기가스 터보차저의 소음기 |
US9305539B2 (en) | 2013-04-04 | 2016-04-05 | Trane International Inc. | Acoustic dispersing airflow passage |
KR101422113B1 (ko) * | 2013-04-26 | 2014-07-22 | 목포해양대학교 산학협력단 | 통기통로 또는 통수통로 둘레에 중첩된 차음용 공진챔버를 갖는 통기형 또는 통수형 방음벽 |
US9599124B2 (en) | 2014-04-02 | 2017-03-21 | Cnh Industrial Canada, Ltd. | Air diffuser for vacuum fan of planters |
US20170074288A1 (en) * | 2015-09-16 | 2017-03-16 | General Electric Company | Silencer duct having silencing element extending therethrough |
US11293664B2 (en) | 2018-03-06 | 2022-04-05 | Gulfstream Aerospace Corporation | Dual tube silencer for separate gas flows |
DE102018212844A1 (de) * | 2018-08-01 | 2020-02-06 | BSH Hausgeräte GmbH | Haushaltsgerät mit verbesserter Akustik |
DE102018121855A1 (de) * | 2018-09-07 | 2020-03-12 | Vaillant Gmbh | Lüftungssystem |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE529561C (de) * | 1931-07-15 | Albert Klein Dr Ing | Vorrichtung zur Schalldaempfung in Leitungen, insbesondere fuer Lueftungs-Anlagen o. dgl. | |
GB312937A (en) * | 1929-06-01 | 1930-12-01 | Burgess Lab Inc C F | Silencer for exhaust and other pulsating gases and vapours |
US2017744A (en) * | 1934-04-30 | 1935-10-15 | Maxim Silencer Co | Sound attenuating device |
GB750974A (en) * | 1953-06-02 | 1956-06-20 | Maxim Silencer Co | Improvements in silencers for gaseous currents |
DE1095504B (de) * | 1955-03-18 | 1960-12-22 | Nordwestdeutscher Rundfunk | Absorptionsdaempfer fuer Klima- oder Belueftungsanlagen |
US2959243A (en) * | 1956-03-29 | 1960-11-08 | Gen Sound Control Inc | Sound absorbing structure |
DE1173683B (de) * | 1958-04-14 | 1964-07-09 | Pittsburgh Corning Corp | Akustisches Filter fuer Luefterkanaele |
DE1547014A1 (de) * | 1960-01-14 | 1969-10-30 | Gruenzweig & Hartmann | Einsatzelement fuer Relaxations-Schalldaempfer |
NL262265A (ro) * | 1960-03-11 | 1900-01-01 | ||
DE1823085U (de) * | 1960-10-04 | 1960-12-08 | Ohler Flexrohr G M B H | Schalldaempfer. |
FR1335019A (fr) * | 1962-06-18 | 1963-08-16 | Perfectionnement aux silencieux pour l'écoulement des fluides | |
DE1447988A1 (de) * | 1965-02-25 | 1969-05-29 | F R Meyer Kg | Schalldaempfer im Baukastensystem |
US3374856A (en) * | 1966-09-09 | 1968-03-26 | Garrett Corp | Flexible sound attenuating duct with foamed plastic lining |
GB1249566A (en) * | 1969-02-10 | 1971-10-13 | Normalair Garrett Ltd | Improvements in or relating to flexible hoses |
DE2341174C3 (de) * | 1973-08-14 | 1979-08-02 | Suzuki, Hisao, Fujisawa, Kanagawa (Japan) | Vorrichtung zur Schalldämpfung in Gasleitungen |
DE2362345A1 (de) * | 1973-12-14 | 1975-06-19 | Josef Ivan Matyas | Rohrzellen-luftschalldaempfer |
DE2630056A1 (de) * | 1975-07-30 | 1977-02-17 | Industrial Acoustics Co | Schalldaempfer |
-
1977
- 1977-04-08 HU HU77FU354A patent/HU182491B/hu not_active IP Right Cessation
-
1978
- 1978-03-31 NL NL7803474A patent/NL7803474A/xx not_active Application Discontinuation
- 1978-04-04 RO RO7893721A patent/RO81847A/ro unknown
- 1978-04-05 DE DE2814717A patent/DE2814717C3/de not_active Expired
- 1978-04-06 IT IT83361/78A patent/IT1104919B/it active
- 1978-04-06 YU YU00828/78A patent/YU82878A/xx unknown
- 1978-04-06 GB GB13537/78A patent/GB1598758A/en not_active Expired
- 1978-04-06 PL PL20585578A patent/PL205855A1/xx unknown
- 1978-04-07 US US05/894,375 patent/US4236597A/en not_active Expired - Lifetime
- 1978-04-07 FR FR7810398A patent/FR2386767A1/fr active Granted
- 1978-04-07 CH CH374178A patent/CH631565A5/de not_active IP Right Cessation
- 1978-04-07 DD DD78204655A patent/DD135755A5/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2814717A1 (de) | 1978-10-26 |
DE2814717B2 (de) | 1981-06-19 |
DD135755A5 (de) | 1979-05-23 |
RO81847B (ro) | 1983-05-30 |
IT7883361A0 (it) | 1978-04-06 |
DE2814717C3 (de) | 1982-03-04 |
US4236597A (en) | 1980-12-02 |
PL205855A1 (pl) | 1979-03-12 |
GB1598758A (en) | 1981-09-23 |
FR2386767B1 (ro) | 1981-03-20 |
FR2386767A1 (fr) | 1978-11-03 |
HU182491B (en) | 1984-01-30 |
YU82878A (en) | 1983-02-28 |
IT1104919B (it) | 1985-10-28 |
CH631565A5 (de) | 1982-08-13 |
NL7803474A (nl) | 1978-10-10 |
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