Radial load reducing device, and sliding bearing and screw compr

Details Radial load reducing device, and sliding bearing and screw compr Radial load reducing device, and sliding bearing and screw compr

1990-02-01

1991-02-05

Hannon, Thomas R.

Bearings

Rotary bearing

Fluid bearing

384101, 384118, F16C 3206

Patent

active

049899970

ABSTRACT:
A radial load reducing device includes a high-pressure fluid chamber defined to face an outer circumferential portion of a rotating shaft or an outer circumferential portion of a rotating body integrally rotating with the rotating shaft at a first position where a radial load to be applied to the rotating shaft is directed, and a low-pressure fluid chamber defined to face the outer circumferential portion at a second position opposite to the first position. Further, a sliding bearing and a screw compressor using the above device are also provided. The fluid pressure in the high-pressure fluid chamber is applied in a direction counter to the direction of application of the radial load to be applied to the rotating shaft, thereby reducing the radial load to be applied to the rotating shaft.

REFERENCES:
patent: 3909081 (1975-09-01), Wilcock et al.
patent: 4227755 (1980-10-01), Lundberg
patent: 4310203 (1982-01-01), Eickmann
patent: 4371216 (1983-02-01), Suzuki

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