FR770215A - Improvements to wall fans - Google Patents

Improvements to wall fans

Info

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
Application number
Other languages
French (fr)
Inventor
Lancelot Penderel Norman
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR770215A publication Critical patent/FR770215A/en
Expired legal-status Critical Current

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)
FR770215D 1933-03-16 1934-03-15 Improvements to wall fans Expired FR770215A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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