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Buchi Ing Alfred Johann
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Buchi Ing Alfred Johann
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Priority to ES270997ApriorityCriticalpatent/ES270997A1/en
Publication of ES270997A1publicationCriticalpatent/ES270997A1/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
An impeller device for flow machines, characterized in that the blades of the wheel, in cylindrical section, are curved in a parabola shape, at least approximately, with approximately maximum axial extension, the vertex of the parabola being located at a predetermined distance of the rear surface of the impeller disc, while the generatrices of the impeller blades are directed radially in all their axial extension and the cylindrical section provided approximately 70% of the outer diameter of the blade lining. (Machine-translation by Google Translate, not legally binding)
ES270997A1961-10-071961-10-07A drill device for flow machines (Machine-translation by Google Translate, not legally binding)
ExpiredES270997A1
(en)