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Individual
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Priority to ES91204UpriorityCriticalpatent/ES91204Y/en
Publication of ES91204UpublicationCriticalpatent/ES91204U/en
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Publication of ES91204YpublicationCriticalpatent/ES91204Y/en
Five-bladed air extractor, consisting of an integral casing in whose inner cavity of a rear body, the engine is housed, which for cooling has four windows in the casing itself, around which three large windows are opened equal, in front of which, and in a suitable cavity, are housed directly attached to the motor, five blades constituting a circular disk, which when inactive close the passage to the air stream through the hole of the extractor, and in action, thanks to its roll arrangement from a third of the radius of the axis of rotation, absorb air conically. (Machine-translation by Google Translate, not legally binding)
ES91204U1962-01-311962-01-31
Five-blade air extractor
ExpiredES91204Y
(en)