Rolling bearing

Details Rolling bearing Rolling bearing

2003-10-10

2009-11-03

Assouad, Patrick J (Department: 2858)

Electricity: measuring and testing

Magnetic

Displacement

C324S173000, C324S207170, C384S448000

Reexamination Certificate

active

07612556

ABSTRACT:
The rolling bearing apparatus of the present invention comprises a rolling element, a non-rolling element disposed concentrically with the rolling element, and a rotation detector for outputting an input exciting voltage by converting it to an induced voltage according to the relative rotation state of the rolling element and the non-rolling element. The rotation detector comprises a rotor provided in the rolling element, a stator provided in the non-rolling element, and an exciting winding and output windings being wound to the stator. The output windings induce a voltage according to the gap permeance between the rotor and the stator in response to the exciting voltage inputted to the exciting winding.

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