DEEP-WELL DIAPHRAGM ELECTRIC PUMP FOR LIFTING LIQUID FROM WELL Russian patent published in 1997 - IPC

Abstract RU 2087748 C1

FIELD: pump engineering. SUBSTANCE: diaphragm of the compensator of the electric pump is hermetically mounted between the housing, casing, and stop ring. The openings that allow the inner space of the housing to be connected with the space downstream of the pipe are provided in the top portion of the casing at sealed butt joint between the diaphragm of the compensator and the housing of the electric motor. EFFECT: enhanced efficiency. 1 dwg

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RU 2 087 748 C1

Authors

Snisarenko Grigorij Nikolaevich

Fershteter Valerij Mojseevich

Dates

1997-08-20—Published

1995-09-07—Filed