BE790936R - VENTILATION DEVICE - Google Patents

VENTILATION DEVICE

Info

Publication number
BE790936R
BE790936R BE790936DA BE790936R BE 790936 R BE790936 R BE 790936R BE 790936D A BE790936D A BE 790936DA BE 790936 R BE790936 R BE 790936R
Authority
BE
Belgium
Prior art keywords
ventilation device
ventilation
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Levy Pierre L
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.)
Publication date
Application granted granted Critical
Publication of BE790936R publication Critical patent/BE790936R/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Ventilation (AREA)
BE790936D 1971-11-19 VENTILATION DEVICE BE790936R (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7141424A FR2161264A6 (en) 1971-11-19 1971-11-19

Publications (1)

Publication Number Publication Date
BE790936R true BE790936R (en) 1973-03-01

Family

ID=9086028

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790936D BE790936R (en) 1971-11-19 VENTILATION DEVICE

Country Status (3)

Country Link
BE (1) BE790936R (en)
DE (1) DE2256549A1 (en)
FR (1) FR2161264A6 (en)

Also Published As

Publication number Publication date
FR2161264A6 (en) 1973-07-06
DE2256549A1 (en) 1973-05-24

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