HYDRAULICALLY-DRIVEN DIAPHRAGM PUMP Russian patent published in 1997 - IPC

Abstract RU 2099600 C1

FIELD: mining industry; farming. SUBSTANCE: pump includes hydraulic pulser and submersible part which is divided into delivery, intermediate and suction chambers interconnected together and connected with surrounding medium by means of check valves. Flexible diaphragms fitted between delivery and suction chambers, as well as between intermediate chamber and surrounding medium are used for transfer of pressure among these chambers. Hydraulic pulser ensures periodic unsealing of delivery chamber. EFFECT: enhanced efficiency. 2 dwg

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RU 2 099 600 C1

Authors

Rjabykh Boris Ivanovich

Dates

1997-12-20—Published

1996-08-13—Filed