FR2780454B1 - Dispositif d'absorption de bruit pour groupe moto-ventilateur centrifuge - Google Patents
Dispositif d'absorption de bruit pour groupe moto-ventilateur centrifugeInfo
- Publication number
- FR2780454B1 FR2780454B1 FR9808233A FR9808233A FR2780454B1 FR 2780454 B1 FR2780454 B1 FR 2780454B1 FR 9808233 A FR9808233 A FR 9808233A FR 9808233 A FR9808233 A FR 9808233A FR 2780454 B1 FR2780454 B1 FR 2780454B1
- Authority
- FR
- France
- Prior art keywords
- absorption device
- fan group
- noise absorption
- centrifugal motor
- centrifugal
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/422—Discharge tongues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/006—Noise reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9808233A FR2780454B1 (fr) | 1998-06-29 | 1998-06-29 | Dispositif d'absorption de bruit pour groupe moto-ventilateur centrifuge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9808233A FR2780454B1 (fr) | 1998-06-29 | 1998-06-29 | Dispositif d'absorption de bruit pour groupe moto-ventilateur centrifuge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2780454A1 FR2780454A1 (fr) | 1999-12-31 |
FR2780454B1 true FR2780454B1 (fr) | 2001-01-26 |
Family
ID=9527992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9808233A Expired - Fee Related FR2780454B1 (fr) | 1998-06-29 | 1998-06-29 | Dispositif d'absorption de bruit pour groupe moto-ventilateur centrifuge |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2780454B1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6669436B2 (en) * | 2002-02-28 | 2003-12-30 | Dresser-Rand Company | Gas compression apparatus and method with noise attenuation |
US6918740B2 (en) | 2003-01-28 | 2005-07-19 | Dresser-Rand Company | Gas compression apparatus and method with noise attenuation |
FR2856441B1 (fr) * | 2003-06-19 | 2006-08-04 | Renault Sa | Dispositif de ventilation centrifuge. |
WO2006090152A1 (fr) | 2005-02-23 | 2006-08-31 | Cummins Turbo Technologies Limited | Compresseur |
EP2063130A1 (fr) * | 2007-11-20 | 2009-05-27 | Siemens Aktiengesellschaft | Dispositif d'atténuation de bruit pour un compresseur centrifuge |
WO2012145141A1 (fr) | 2011-04-20 | 2012-10-26 | Dresser-Rand Company | Groupement de résonateurs à multiples degrés de liberté |
CN103791603A (zh) * | 2014-01-23 | 2014-05-14 | 乐金电子(天津)电器有限公司 | 空调室内机及空调室内机降噪方法 |
DE102014206114A1 (de) | 2014-04-01 | 2015-10-01 | Mahle International Gmbh | Gehäuse eines Radialgebläses |
CN104358603A (zh) * | 2014-12-10 | 2015-02-18 | 马根昌 | 恒速离心排气管消声器 |
CN107965896A (zh) * | 2017-12-26 | 2018-04-27 | 海信(广东)空调有限公司 | 蜗舌、风道装置及空调室内机 |
CN109538539A (zh) * | 2018-11-28 | 2019-03-29 | 合肥联宝信息技术有限公司 | 一种降噪装置、风扇及降噪方法 |
CN111255746A (zh) * | 2018-11-30 | 2020-06-09 | 无锡小天鹅电器有限公司 | 蜗壳风道、风机组件及干衣机 |
DE102021206139A1 (de) * | 2021-06-16 | 2022-12-22 | Robert Bosch Gesellschaft mit beschränkter Haftung | Pumpe und ein Fahrzeug mit einer solchen Pumpe |
CN114165481A (zh) * | 2021-09-13 | 2022-03-11 | 荣耀终端有限公司 | 风扇装置及电子设备 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2171341A (en) * | 1936-06-01 | 1939-08-29 | Gen Electric | Fan casing |
US2225398A (en) * | 1939-09-13 | 1940-12-17 | Clyde M Hamblin | Construction of ventilating fans |
US2708546A (en) * | 1951-06-27 | 1955-05-17 | William J Caldwell | Centrifugal fan with wave trap and cut-off |
DE2545036B2 (de) * | 1975-10-08 | 1979-08-23 | Kurt Dr.-Ing. 7505 Ettlingen Zenkner | Gehäuse für ein Querstromgebläse |
WO1981003201A1 (fr) * | 1980-04-28 | 1981-11-12 | G Koopmann | Systeme de reduction du bruit |
US5340275A (en) * | 1993-08-02 | 1994-08-23 | Foster Wheeler Energy Corporation | Rotary throat cutoff device and method for reducing centrifugal fan noise |
JP3480507B2 (ja) | 1994-02-16 | 2003-12-22 | 株式会社デンソー | 多翼送風機 |
-
1998
- 1998-06-29 FR FR9808233A patent/FR2780454B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2780454A1 (fr) | 1999-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |