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IB MEC SpA
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Publication of ES412019A1publicationCriticalpatent/ES412019A1/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Improvements in an electric fan comprising an electric motor and a set of blades set on a motor shaft to generate an ambient air flow parallel to the motor shaft, the motor comprising a housing, a stator contained in the housing, and a solidary rotor to the tree, characterized by the fact that the tree is longitudinally perforated, so that the depression created previously to the set of blades by the operation of the electric fan, creates an air flow in the longitudinal opening of the shaft, in the opposite direction to the generating flow by the set of blades. (Machine-translation by Google Translate, not legally binding)
ES412019A1972-02-251973-02-24Improvements in an electroventilador. (Machine-translation by Google Translate, not legally binding)
ExpiredES412019A1
(en)
Improvements introduced in the manufacture of asynchronous engines, autofrenos de inducciºn tºnico (Machine-translation by Google Translate, not legally binding)