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JOU BOSCH SEGISMUNDO
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JOU BOSCH SEGISMUNDO
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Publication of ES208023YpublicationCriticalpatent/ES208023Y/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Improved centrifugal pump, essentially characterized by the fact that the fluid impeller is structured with its curved vanes of general trapezoidal shape, squares and completely perpendicular to the crown of which they form a part and for the fact that the seal to seal between the shaft and the housing, or support, of the pump is constituted by a device comprising an annular cover that accommodates fixed inside it the edge of one side of a rubber ring whose periphery is provided with a slot in which it houses a coil spring, the other side being free, and a washer, made of material resistant to frictional wear protruding from the cover, by its subsequent delivery, to go on, directly or indirectly, to a bending ring, fixed fixed to the opening in the opening of the axis of the bell, or support, of the pump, said device being axially mounted on the compressive axis between the impeller and the bell, or support, of the pump. (Machine-translation by Google Translate, not legally binding)