Nothing Special   »   [go: up one dir, main page]

FR689446A - Group of greenhouses with hot air heating - Google Patents

Group of greenhouses with hot air heating

Info

Publication number
FR689446A
FR689446A FR689446DA FR689446A FR 689446 A FR689446 A FR 689446A FR 689446D A FR689446D A FR 689446DA FR 689446 A FR689446 A FR 689446A
Authority
FR
France
Prior art keywords
greenhouses
group
hot air
air heating
heating
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
Otto Happel
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 FR689446A publication Critical patent/FR689446A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/246Air-conditioning systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
FR689446D 1929-04-03 1930-02-05 Group of greenhouses with hot air heating Expired FR689446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE689446X 1929-04-03

Publications (1)

Publication Number Publication Date
FR689446A true FR689446A (en) 1930-09-05

Family

ID=6598709

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689446D Expired FR689446A (en) 1929-04-03 1930-02-05 Group of greenhouses with hot air heating

Country Status (1)

Country Link
FR (1) FR689446A (en)

Similar Documents

Publication Publication Date Title
FR689446A (en) Group of greenhouses with hot air heating
FR723886A (en) Hot air dryer
FR697139A (en) Direct heated air heater
FR668365A (en) Improvements to central heating radiators
FR672066A (en) Insulated and insulated hot air heating system
FR685818A (en) Improvements in air recirculation combined with the operation of the tar heating
FR705319A (en) Air heater
FR720269A (en) Naphtha stove with hot air circulation
FR689080A (en) Installation of central heating with radiators
FR700878A (en) Forced air heater
FR698457A (en) Central heating radiator
FR793000A (en) Forced hot air heater
FR683257A (en) Heater with heat accumulator
FR680240A (en) Greenhouse heating
FR723011A (en) Heater radiator cover
FR781469A (en) Hot air heater
FR712924A (en) Improvements to air circulation heating systems
FR678661A (en) Heating radiator
FR723258A (en) Hot air incubator
FR685101A (en) Central heating radiator air humidifier
FR727264A (en) Central heating boiler
FR725125A (en) Heater
FR675796A (en) Improvements made to heating radiator regulators
FR693628A (en) Improvements to heating radiators
FR843003A (en) Hot air heating