CENTRIFUGAL PUMP Russian patent published in 2003 - IPC

Abstract RU 2204059 C2

FIELD: turbines and pumps. SUBSTANCE: invention relates to centrifugal pumps with shaft unloading devices. Proposed pump has impeller and shaft installed on bearings in housing and unloading device in form of piston arranged in space of shaft, and fixed pivot. Pivot is secured in housing coaxially with piston. Piston is made in form of bushing with central hole and end face support beads. One of beads engages with similar end face bead on support pivot. EFFECT: improved reliability and increased service life of pump. 2 dwg

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RU 2 204 059 C2

Authors

Gritsenko E.A.

Anisimov V.S.

Korotov M.V.

Dates

2003-05-10—Published

2000-03-27—Filed