Hydrodynamic bearing with radial, thrust and moment load capacit

Details Hydrodynamic bearing with radial, thrust and moment load capacit Hydrodynamic bearing with radial, thrust and moment load capacit

1978-08-28

1981-01-06

Frankfort, Charles E.

Cutlery

308 26, 308 73, 308135, 308160, F16C 704, F16C 1706, F16C 2706

Patent

active

042432740

ABSTRACT:
A hydrodynamic bearing capable of transmitting radial, thrust and moment loads between an inner load applying or supporting member rotatably connected to the bearing utilizes at least a pair of cylindrical groups of bearing pads disposed about a longitudinal axis of rotation, the pads having movable face portions with compound curved bearing surfaces symmetrically disposed about and along the longitudinal axis, the curved surfaces mating with similar curved bearing surfaces on a load applying or supporting member. The face portions of the bearing pads are supported so that they are swingable about "swing points" located between the axis of rotation of the bearing and the face portions thereof under the combined influences of friction and load forces exerted thereagainst by the load applying or supporting member, so that through hydrodynamic action wedge-shaped lubricant films are generated between the relatively moving bearing surfaces to maintain the surfaces apart while the motion is occurring. Radial, and thrust and moment loads between the load applying or supporting member and the bearing pads are all effectively transmitted by the bearing by reason of the particular relationship between the bearing surfaces, without adversely affecting the hydrodynamic action of the bearing.

REFERENCES:
patent: 2137487 (1938-11-01), Hall
patent: 2498011 (1950-02-01), Sherbondy
patent: 3131004 (1964-04-01), Sternlicht
patent: 3578828 (1971-05-01), Orkin et al.
patent: 3679197 (1972-07-01), Schmidt

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