DE2548999B2 - Gebläsering für ein Axialgebläse - Google Patents
Gebläsering für ein AxialgebläseInfo
- Publication number
- DE2548999B2 DE2548999B2 DE2548999A DE2548999A DE2548999B2 DE 2548999 B2 DE2548999 B2 DE 2548999B2 DE 2548999 A DE2548999 A DE 2548999A DE 2548999 A DE2548999 A DE 2548999A DE 2548999 B2 DE2548999 B2 DE 2548999B2
- Authority
- DE
- Germany
- Prior art keywords
- fan
- sound
- ring
- layer
- protective layer
- 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.)
- Ceased
Links
- 239000010410 layer Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 4
- 210000002268 wool Anatomy 0.000 claims description 2
- 239000011358 absorbing material Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- IDCBOTIENDVCBQ-UHFFFAOYSA-N TEPP Chemical compound CCOP(=O)(OCC)OP(=O)(OCC)OCC IDCBOTIENDVCBQ-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
-
- 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
- F04D29/664—Sound attenuation by means of sound absorbing material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49127804A JPS5153606A (en) | 1974-11-05 | 1974-11-05 | Puroperafuanno soonboshofuanringu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2548999A1 DE2548999A1 (de) | 1976-05-13 |
| DE2548999B2 true DE2548999B2 (de) | 1978-12-14 |
Family
ID=14969076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2548999A Ceased DE2548999B2 (de) | 1974-11-05 | 1975-11-03 | Gebläsering für ein Axialgebläse |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5153606A (fr) |
| BR (1) | BR7507271A (fr) |
| DE (1) | DE2548999B2 (fr) |
| FR (1) | FR2290589A1 (fr) |
| GB (1) | GB1514584A (fr) |
| IT (1) | IT1049003B (fr) |
| NL (1) | NL7512418A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0413987A3 (en) * | 1989-08-23 | 1991-09-25 | Gebhardt Ventilatoren Gmbh & Co. | Axial fan |
| RU2148732C1 (ru) * | 1998-05-05 | 2000-05-10 | Открытое акционерное общество Самарский научно-технический комплекс им. Н.Д. Кузнецова | Ступень турбомашины |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5380106U (fr) * | 1976-12-07 | 1978-07-04 | ||
| ZA783845B (en) * | 1977-07-13 | 1979-07-25 | Carrier Corp | Pressure variation absorber |
| FR2414649A1 (fr) * | 1978-01-12 | 1979-08-10 | Etri Sa | Ventilateur axial a boitier polygonal plat, notamment carre |
| GB2330624A (en) * | 1997-10-23 | 1999-04-28 | Wang Samw Hong Jen | Fan device with noise reduction |
| NL1034926C2 (nl) * | 2008-01-18 | 2009-07-21 | Holland Conditioning Parkeersystemen Bv | Ventilatorinrichting met ophanging aan motor. |
| IT1403249B1 (it) * | 2010-11-19 | 2013-10-17 | Luve Spa | Dispositivo silenziatore, particolarmente per i ventilatori di aero-scambiatori e simili. |
| CN104454587B (zh) * | 2014-11-12 | 2017-02-08 | 华为技术有限公司 | 一种风扇 |
| GB201707836D0 (en) * | 2017-05-16 | 2017-06-28 | Oscar Propulsion Ltd | Outlet guide vanes |
-
1974
- 1974-11-05 JP JP49127804A patent/JPS5153606A/ja active Pending
-
1975
- 1975-10-23 NL NL7512418A patent/NL7512418A/xx unknown
- 1975-10-27 GB GB44185/75A patent/GB1514584A/en not_active Expired
- 1975-10-28 IT IT28749/75A patent/IT1049003B/it active
- 1975-11-03 DE DE2548999A patent/DE2548999B2/de not_active Ceased
- 1975-11-04 BR BR7507271*A patent/BR7507271A/pt unknown
- 1975-11-05 FR FR7533769A patent/FR2290589A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0413987A3 (en) * | 1989-08-23 | 1991-09-25 | Gebhardt Ventilatoren Gmbh & Co. | Axial fan |
| RU2148732C1 (ru) * | 1998-05-05 | 2000-05-10 | Открытое акционерное общество Самарский научно-технический комплекс им. Н.Д. Кузнецова | Ступень турбомашины |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2548999A1 (de) | 1976-05-13 |
| BR7507271A (pt) | 1976-08-03 |
| FR2290589B3 (fr) | 1979-09-21 |
| GB1514584A (en) | 1978-06-14 |
| NL7512418A (nl) | 1976-05-07 |
| JPS5153606A (en) | 1976-05-12 |
| IT1049003B (it) | 1981-01-20 |
| FR2290589A1 (fr) | 1976-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |