Pre-loading device for a radical-bearing unit

PCT No. PCT/US96/03396 Sec. 371 Date Jan. 1, 1998 Sec. 102(e) Date Jan. 1, 1998 PCT Filed Mar. 13, 1996 PCT Pub. No. WO96/30661 PCT Pub. Date Oct. 3, 1996Axially spaced radial bearing units (30, 50) for a shaft assembly are pre-loaded by hydraulic pressure. Each of the bearing units is mounted to an...

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Hauptverfasser:	ARVIDSSON, THOMAS N
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Zusammenfassung:	PCT No. PCT/US96/03396 Sec. 371 Date Jan. 1, 1998 Sec. 102(e) Date Jan. 1, 1998 PCT Filed Mar. 13, 1996 PCT Pub. No. WO96/30661 PCT Pub. Date Oct. 3, 1996Axially spaced radial bearing units (30, 50) for a shaft assembly are pre-loaded by hydraulic pressure. Each of the bearing units is mounted to an axially displaceable seat (40, 60). The pre-loading pressure between the two bearing units (30, 50) is maintained at a constant pre-loading pressure by a hydraulic pressure which is exerted in chambers (44, 64) partially defined by the seats. A pressure accumulator (70) supplies pressure to the chambers (44, 64) so that a constant pre-loading pressure may be applied to the radial bearing units (30, 50) while allowing for axial displacement of the bearing units and the shaft (12).