Self pressurizing journal bearing assembly

Details Self pressurizing journal bearing assembly Self pressurizing journal bearing assembly

1996-07-19

1998-02-03

Hannon, Thomas R.

Bearings

Rotary bearing

Fluid bearing

384114, 384292, F16C 3206

Patent

active

057136700

ABSTRACT:
A self pressurizing journal bearing assembly includes a tubular housing having a bore defining a plain cylindrical journal bearing, and a cylindrical rotary shaft disposed coaxially therein. The shaft includes a plain cylindrical journal spaced radially inwardly of the bearing to define a journal bearing gap. A screw pump is defined in part by a portion of the shaft, and is disposed inside the housing bore in flow communication with the journal bearing for continually circulating a lubricant thereto under pressure upon rotation of the shaft for accommodating lubricant end leakage from the journal bearing.

REFERENCES:
patent: 2249843 (1941-07-01), Marsland
patent: 3669517 (1972-06-01), Hughes
patent: 3726574 (1973-04-01), Tuffias et al.
patent: 3964805 (1976-06-01), Schulien
patent: 4427308 (1984-01-01), Sandberg
patent: 4883367 (1989-11-01), Maruyama
patent: 5370463 (1994-12-01), Asada et al.

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