FR2343907B1 - - Google Patents
Info
- Publication number
- FR2343907B1 FR2343907B1 FR7606529A FR7606529A FR2343907B1 FR 2343907 B1 FR2343907 B1 FR 2343907B1 FR 7606529 A FR7606529 A FR 7606529A FR 7606529 A FR7606529 A FR 7606529A FR 2343907 B1 FR2343907 B1 FR 2343907B1
- Authority
- FR
- France
- 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
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/022—Multi-stage pumps with concentric rows of vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/329—Details of the hub
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7606529A FR2343907A1 (fr) | 1976-03-08 | 1976-03-08 | Systeme de ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7606529A FR2343907A1 (fr) | 1976-03-08 | 1976-03-08 | Systeme de ventilation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2343907A1 FR2343907A1 (fr) | 1977-10-07 |
| FR2343907B1 true FR2343907B1 (US06826419-20041130-M00005.png) | 1980-04-30 |
Family
ID=9170083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7606529A Granted FR2343907A1 (fr) | 1976-03-08 | 1976-03-08 | Systeme de ventilation |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2343907A1 (US06826419-20041130-M00005.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696277B (zh) * | 2015-03-02 | 2017-08-01 | 宜兴市高塍镇旋风风机厂 | 冷却塔风机的轮辐结构 |
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1976
- 1976-03-08 FR FR7606529A patent/FR2343907A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2343907A1 (fr) | 1977-10-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |