Rotary fluid machine with thrust bearing mounting unit

Details Rotary fluid machine with thrust bearing mounting unit Rotary fluid machine with thrust bearing mounting unit

1984-11-30

1985-12-10

Smith, Leonard E.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

384542, 384585, F04C 1824

Patent

active

045576793

ABSTRACT:
A rotary fluid machine such as, for example, a screw compressor, a centrifugal compressor, or a pump, is provided with a thrust bearing mounting unit adapted to maintain natural frequencies of bending vibrations of rotors thereof within ranges of permissible values. The axial rigidity of the mounting unit is at least as high as that of the thrust bearings and the radial rigidity thereof is made to be not more than half that thereof. When a radial load is applied to the thrust bearings, the bearing mounting unit is deformed solely substantially in the radial direction and the thrust bearings bear substantially no radial load.

REFERENCES:
patent: 3388854 (1968-06-01), Olofsson
patent: 3900232 (1975-08-01), Rode
patent: 3932073 (1976-01-01), Schibbye

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