FR770215A - Improvements to wall fans - Google Patents
Improvements to wall fansInfo
- Publication number
- FR770215A FR770215A FR770215DA FR770215A FR 770215 A FR770215 A FR 770215A FR 770215D A FR770215D A FR 770215DA FR 770215 A FR770215 A FR 770215A
- Authority
- FR
- France
- Prior art keywords
- wall fans
- fans
- wall
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/755—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for cyclical variation of air flow rate or air velocity
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB770215X | 1933-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR770215A true FR770215A (en) | 1934-09-11 |
Family
ID=10497227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR770215D Expired FR770215A (en) | 1933-03-16 | 1934-03-15 | Improvements to wall fans |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR770215A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE896260C (en) * | 1951-07-20 | 1953-11-09 | Otto Heinz Dipl-Ing Brandi | Procedure for regulating the proportion of outside air in systems consisting of a large number of air treatment devices |
FR2188113A1 (en) * | 1972-03-08 | 1974-01-18 | Danfoss As |
-
1934
- 1934-03-15 FR FR770215D patent/FR770215A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE896260C (en) * | 1951-07-20 | 1953-11-09 | Otto Heinz Dipl-Ing Brandi | Procedure for regulating the proportion of outside air in systems consisting of a large number of air treatment devices |
FR2188113A1 (en) * | 1972-03-08 | 1974-01-18 | Danfoss As |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR781427A (en) | Improvements to electronic tubes | |
FR773207A (en) | Partitions improvements | |
FR760133A (en) | Improvements to air turbines | |
FR735656A (en) | Improvements to pumps | |
FR770215A (en) | Improvements to wall fans | |
FR781029A (en) | Improvements to fluid compressors | |
FR736262A (en) | Improvements to pumps | |
FR771566A (en) | Improvements to direction finders | |
FR768662A (en) | Improvements to rectifiers | |
FR760094A (en) | Improvements to seals | |
FR753603A (en) | Improvements to dumpers | |
FR801990A (en) | Improvements to blower pipes | |
FR758941A (en) | Improvements to pumps | |
FR779058A (en) | Compressor improvements | |
FR755136A (en) | Improvements to thermo-ionic lamps | |
FR771072A (en) | Improvements to dumpers | |
FR811277A (en) | Fan improvements | |
FR773477A (en) | Improvements to economizers | |
FR752213A (en) | Improvements to bras | |
FR770847A (en) | Improvements to pumps | |
FR752000A (en) | Improvements to pumps | |
FR776682A (en) | Improvements to tri-carriers | |
FR761354A (en) | Improvements to jockstrap | |
FR758109A (en) | Improvements to corset-sheaths | |
FR765589A (en) | Improvement provided to Vélocimanes |