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Machine translation
1. (WO1980000648) METHOD AND APPARATUS FOR CONTROLLING THE TEMPERATURE IN GREENHOUSES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/000648    International Application No.:    PCT/SE1979/000203
Publication Date: 17.04.1980 International Filing Date: 10.10.1979
IPC:
A01G 9/24 (2006.01)
Applicants:
Inventors:
Priority Data:
7810611 11.10.1978 SE
Title (EN) METHOD AND APPARATUS FOR CONTROLLING THE TEMPERATURE IN GREENHOUSES
(FR) METHODE ET APPAREIL DE COMMANDE DE LA TEMPERATURE DANS LES SERRES
Abstract: front page image
(EN)Method and apparatus for controlling the temperature in greenhouses, the nominal value of the temperature being adjusted between a higher daytime temperature and a lower night temperature. In order that the plants in the greenhouse shall not be exposed to a shocklike reduction of the total energy supply to the plants if a considerable sunlight energy quantity has been supplied to the plants in the daytime, the nominal value of the night temperature is controlled in dependence of the sunlight energy quantity received by the plants, in such a manner that the night temperature is adjusted to a higher value at a higher sunlight energy quantity.
(FR)Methode et appareil de commande de la temperature dans les serres, la valeur nominale de la temperature etant reglee entre une temperature maximum pendant la journee et une temperature minimum pendant la nuit. Afin d"eviter que les plantes ne subissent une reduction brusque de l"energie totale donnee aux plantes si une quantite considerable d"energie lumineuse a ete fournie aux plantes pendant la journee, la valeur nominale de la temperature de nuit est commandee en fonction de la quantite d"energie lumineuse recue par les plantes de telle maniere que la temperature de nuit soit reglee a une valeur superieure pour une quantite d"energie lumineuse superieure.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)