LU68751A1 - - Google Patents
Info
- Publication number
- LU68751A1 LU68751A1 LU68751DA LU68751A1 LU 68751 A1 LU68751 A1 LU 68751A1 LU 68751D A LU68751D A LU 68751DA LU 68751 A1 LU68751 A1 LU 68751A1
- Authority
- LU
- Luxembourg
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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7240253A FR2205950A5 (enExample) | 1972-11-08 | 1972-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU68751A1 true LU68751A1 (enExample) | 1974-01-18 |
Family
ID=9107099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU68751D LU68751A1 (enExample) | 1972-11-08 | 1973-11-06 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE806313A (enExample) |
| FR (1) | FR2205950A5 (enExample) |
| GB (1) | GB1421649A (enExample) |
| IT (1) | IT999184B (enExample) |
| LU (1) | LU68751A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2867842B1 (fr) * | 2004-03-16 | 2007-01-12 | Soler Y Palau Sa | Piquage de ventilation et caisson comportant un tel piquage |
| ITPD20070076A1 (it) * | 2007-03-06 | 2008-09-07 | Ln 2 S R L | Collettore, in particolare collettore a chiocciola per ventilatori da impiegarsi in cappe aspiranti |
| CN103511353A (zh) * | 2012-06-25 | 2014-01-15 | 恩科（苏州）通风系统有限公司 | 圆形管道风机的改良结构 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1890758A (en) * | 1930-12-11 | 1932-12-13 | John R Townsend | Ventilator |
| US2415621A (en) * | 1944-10-20 | 1947-02-11 | Solar Aircraft Co | Fan |
| FR72042E (fr) * | 1957-05-29 | 1960-03-21 | App Electr Etoile Soc D | Perfectionnement aux dispositifs pour l'aération des locaux |
| US2922570A (en) * | 1957-12-04 | 1960-01-26 | Burris R Allen | Automatic booster fan and ventilating shield |
| US3102679A (en) * | 1962-01-15 | 1963-09-03 | Loren Cook Company | Centrifugal impeller units |
-
1972
- 1972-11-08 FR FR7240253A patent/FR2205950A5/fr not_active Expired
-
1973
- 1973-10-19 BE BE6044330A patent/BE806313A/xx unknown
- 1973-10-30 GB GB5048573A patent/GB1421649A/en not_active Expired
- 1973-11-02 IT IT3087073A patent/IT999184B/it active
- 1973-11-06 LU LU68751D patent/LU68751A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE806313A (fr) | 1974-02-15 |
| IT999184B (it) | 1976-02-20 |
| GB1421649A (en) | 1976-01-21 |
| FR2205950A5 (enExample) | 1974-05-31 |