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Priority to ES0058581UpriorityCriticalpatent/ES58581Y/en
Publication of ES58581UpublicationCriticalpatent/ES58581U/en
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Publication of ES58581YpublicationCriticalpatent/ES58581Y/en
Automatic chimney draft regulator, consisting essentially of a circular gate, oscillating on an axis arranged in a plane superior to its diameter, so that the center of gravity of the said gate is displaced inferiorly in relation to that axis of rotation , giving rise to the oscillation of the said gate to an additional intake of air, whose amount will be a function of the depression caused by the pull of the chimney itself and the resistance that opposes the gate. (Machine-translation by Google Translate, not legally binding)
ES0058581U1957-02-061957-02-06
Draft regulator for chimneys
ExpiredES58581Y
(en)