Bearings – Rotary bearing – Fluid bearing
Patent
1996-03-18
1998-08-18
Hannon, Thomas R.
Bearings
Rotary bearing
Fluid bearing
384107, F16C 3206
Patent
active
057950733
ABSTRACT:
Radial and thrust bearing system with two hydrostatic bearings axially movable relative to a surrounding bearing housing. Each bearing includes a flange connected to the axle. The flange includes a pressure surface and a collar chamber bearing which has a surface facing the pressure surface and in it a collar groove, the surface and the pressure surface together forming internal and external tightening slots on either side of the collar groove. The pressure surface and the groove together forming a collar chamber to which hydraulic fluid is fed under pressure from a hydraulic fluid source. The collar chamber bearing with the bearing housing form a chamber that is put under hydraulic pressure for pressing the collar chamber bearing against the pressure surface, both collar chamber bearings being pressed in mutually opposite directions. A pilot valve is arranged with a sensing transmitter for positioning the axle relative to the bearing housing to control the amount of hydraulic fluid supplied to the respective collar chamber and to control the hydraulic pressure acting on the respective bearing in order to admit loads varying in magnitude and direction on the axle and maintaining axial displaceability of the axle. At least one flange is demountable from the axle. The pressure surfaces are turned in mutually opposite directions, each forming an angle with the axle which is non-perpendicular.
REFERENCES:
patent: 3391965 (1968-07-01), Lindeboom
patent: 3674355 (1972-07-01), Yearout et al.
patent: 3917366 (1975-11-01), Mason
patent: 4919547 (1990-04-01), Schwartzman
Arvidsson Thomas
Rowland Steve A.
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