SCREW PUMP BEARING ASSEMBLY Russian patent published in 2013 - IPC F04C2/107 F04C15/00

Abstract RU 2499160 C2

FIELD: engines and pumps.

SUBSTANCE: screw pump bearing assembly comprises screw pump drive shaft 2, sealed chamber 1 and axial bearing 3. Screw pump drive shaft 5 has crossed grooves made at its ends. Sealed chamber 1 is equipped with piston 4. Axial bearing 3 represents a multiple-row bearing.

EFFECT: decreased radial load at bearings, higher lifting capacity, ruled out chamber depressurisation.

2 dwg

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RU 2 499 160 C2

Authors

Loginov Viktor Fedorovich

Dates

2013-11-20—Published

2011-09-30—Filed