DEVICE FOR PROTECTING ELECTRIC MOTOR OF SUBMERSIBLE PUMP Russian patent published in 2006 - IPC F04D13/08 F04D7/04 H02K5/12

Abstract RU 2289040 C2

FIELD: pump engineering.

SUBSTANCE: device comprises outer housing provided with inner shaft and main section provided with the mechanism for removing abrasive materials. The mechanism has shaft seal that is mounted above the main section by means of sealing member, stationary protecting casing mounted on the seal and passing above the shaft seal, and rotating protecting casing mounted above the stationary protecting housing and secured to the driving shaft.

EFFECT: prolonged service life.

34 cl, 6 dwg

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RU 2 289 040 C2

Authors

Du Majkl Khoj

Vatson Artur I.

Arumugam Arunkumar

Dates

2006-12-10—Published

2005-03-04—Filed