Axial thrust equalizer for a liquid pump

Rotary kinetic fluid motors or pumps – With shaft connected fluid force subjected thrust balancing...

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415107, F01D 304

Patent

active

048924598

ABSTRACT:
The sleeve of the axial-thrust equalizer is provided with radial bores which deliver working liquid to the annular gap between the sleeve and dummy piston without pre-rotation. The delivered liquid divides within the annular gap so that a sub-flow of liquid is returned to the contiguous pump chamber to prevent pre-rotating liquid from entering directly into the gap from the pump chamber.

REFERENCES:
patent: 3280750 (1966-10-01), White
patent: 3671137 (1972-06-01), Ball
patent: 4256436 (1981-03-01), Fandrey et al.
patent: 4493610 (1985-01-01), Iino et al.

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