FR1576465A - - Google Patents
Info
- Publication number
- FR1576465A FR1576465A FR1576465DA FR1576465A FR 1576465 A FR1576465 A FR 1576465A FR 1576465D A FR1576465D A FR 1576465DA FR 1576465 A FR1576465 A FR 1576465A
- 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
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/052—Axially shiftable rotors
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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
- F04D25/02—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
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
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- 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
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR149357 | 1968-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1576465A true FR1576465A (en) | 1969-08-01 |
Family
ID=8649370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1576465D Expired FR1576465A (en) | 1968-04-24 | 1968-04-24 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1576465A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2575450A (en) * | 2018-07-09 | 2020-01-15 | Edwards Ltd | A variable inlet conductance vacuum pump, vacuum pump arrangement and method |
-
1968
- 1968-04-24 FR FR1576465D patent/FR1576465A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2575450A (en) * | 2018-07-09 | 2020-01-15 | Edwards Ltd | A variable inlet conductance vacuum pump, vacuum pump arrangement and method |
GB2575450B (en) * | 2018-07-09 | 2022-01-26 | Edwards Ltd | A variable inlet conductance vacuum pump, vacuum pump arrangement and method |
US11280340B2 (en) | 2018-07-09 | 2022-03-22 | Edwards Limited | Variable inlet conductance vacuum pump, vacuum pump arrangement and method |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |