Rotary screw machine with rotor thrust load balancing

Details Rotary screw machine with rotor thrust load balancing Rotary screw machine with rotor thrust load balancing

1975-04-24

1976-03-30

Song, Robert R.

Cutlery

418203, 308219, F16C 1300

Patent

active

039470784

ABSTRACT:
A bearing assembly for the rotors of a rotary screw variable volume gas machine, as a compressor expander or fluid pump, includes opposed thrust and high radial load bearings at the high pressure end of each rotor and high thrust bearings for each rotor shaft at the low pressure end. An axial force is applied to each of the bearings at the low pressure end, opposing the axial load on the screws from the working fluid, tending to equalize the thrust load on the bearings at the high pressure end so that bearing wear is relatively even and bearing life is improved.

REFERENCES:
patent: 3388854 (1968-06-01), Olofsson et al.

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