Thrust bearing starter apparatus and method

Details Thrust bearing starter apparatus and method Thrust bearing starter apparatus and method

F - Mech Eng,Light,Heat,Weapons

16

C

308/40

F16C 19/10 (2006.01) F16C 21/00 (2006.01) F16C 39/04 (2006.01)

Patent

CA 1207825

12 ABSTRACT OF THE INVENTION A thrust bearing assembly is provided which reduces initial axial loading on a shaft's thrust bearing in order to correspondingly reduce the required torque for rotational start-up. The shaft's bearing runner is forced in a direction away from its associated thrust bearing during initial start-up procedures by a suitable means for imparting a force on the bearing runner in a direction away from the thrust bearing. The force is provided by a piston and cylinder combination, in the preferred embodi- ment, which provides an axial force in a direction oppos- ing the initial shaft loading force. An anti-friction guide bearing is used to transfer this force from the piston to the shaft and, in turn, to the bearing runner.

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