Bearings – Rotary bearing – Fluid bearing
Patent
1993-12-08
1995-09-12
Footland, Lenard A.
Bearings
Rotary bearing
Fluid bearing
F16C 3206
Patent
active
054492351
ABSTRACT:
A self-aligning rotor-hydrostatic bearing system and method of bearing operation are provided. A rotor includes a surface defining a portion of a sphere. A bearing having a concave spherical surface adjacent the rotor spherical surface is movable with respect to the rotor. Movement, in one embodiment, is controlled by a piston which also provides pressurized lubrication fluid to a recess formed in the bearing spherical surface. Centrifugal deformation of the rotor is accommodated by axial movement of the bearing and/or contouring of a portion of the rotor. A pivoting bearing pad can be provided to accommodate centrifugal, thermal or other deformation. The rotor surface and the pivoting pad surface can be spherical or conical. A slotted bearing ring permits pivoting while maintaining a continuous seal surface.
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Fuller, D., "Fluid-Film Bearings," Marks Standard Handbook for Mechanical Engineers, 9th Ed., pp. 114-131. (1987).
Cherumbin, J., "New Concepts in Bearing Designs and Applications", Industrial Tectonics, pp. 63-65 (No Date).
Morton, H., Anti-Friction Bearings, 2nd Ed. pp. 240-242 (No Date).
Radzimovsky, E., Lubrication of Bearings-Theoretical Principles and Design, pp. 247-279 (No Date).
Aerojet - General Corporation
Footland Lenard A.
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