FR2274874B1 - - Google Patents
Info
- Publication number
- FR2274874B1 FR2274874B1 FR7420105A FR7420105A FR2274874B1 FR 2274874 B1 FR2274874 B1 FR 2274874B1 FR 7420105 A FR7420105 A FR 7420105A FR 7420105 A FR7420105 A FR 7420105A FR 2274874 B1 FR2274874 B1 FR 2274874B1
- 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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/167—Operating by means of fibrous or porous elements, e.g. with sponge rotors
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
- F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
- F24F2006/146—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles using pressurised water for spraying
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7420105A FR2274874A1 (fr) | 1974-06-11 | 1974-06-11 | Ventilateur |
DE19752525865 DE2525865A1 (de) | 1974-06-11 | 1975-06-10 | Ventilator |
GB24854/75A GB1501473A (en) | 1974-06-11 | 1975-06-10 | Fans |
BE6045040A BE830081A (fr) | 1974-06-11 | 1975-06-10 | Ventilateur |
AT441275A AT339458B (de) | 1974-06-11 | 1975-06-10 | Radialventilator mit axialem einlass zur beluftung von geschlossenen raumen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7420105A FR2274874A1 (fr) | 1974-06-11 | 1974-06-11 | Ventilateur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2274874A1 FR2274874A1 (fr) | 1976-01-09 |
FR2274874B1 true FR2274874B1 (fr) | 1978-05-26 |
Family
ID=9139870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7420105A Granted FR2274874A1 (fr) | 1974-06-11 | 1974-06-11 | Ventilateur |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT339458B (fr) |
BE (1) | BE830081A (fr) |
FR (1) | FR2274874A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104963877A (zh) * | 2015-06-01 | 2015-10-07 | 蚌埠市蚌风风机有限公司 | 一种除尘风机 |
-
1974
- 1974-06-11 FR FR7420105A patent/FR2274874A1/fr active Granted
-
1975
- 1975-06-10 AT AT441275A patent/AT339458B/de not_active IP Right Cessation
- 1975-06-10 BE BE6045040A patent/BE830081A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT339458B (de) | 1977-10-25 |
ATA441275A (de) | 1977-02-15 |
FR2274874A1 (fr) | 1976-01-09 |
BE830081A (fr) | 1975-12-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |