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Priority to ES0217504ApriorityCriticalpatent/ES217504A2/en
Publication of ES217504A2publicationCriticalpatent/ES217504A2/en
Improvements in the object of the main patent, no. 206337 by a system of heating by hot air, essentially characterized by the fact that the combustión gases and those provided by the supplementary air that fuels the same, are conduits in a closed cycle within the thermal system described, to be again introduced into the home keeping this cycle closed in constant circulation thanks to a second driving element arranged in series with the main air impeller, constituting two independent bodies each equipped with its corresponding fan, feeding the cycle gases the ventilation body that is located farthest away from the position of the electric drive motor. (Machine-translation by Google Translate, not legally binding)
ES0217504A1954-09-201954-09-20A system for hot air heating (Machine-translation by Google Translate, not legally binding)
ExpiredES217504A2
(en)