Device for monitoring the operating conditions of rolling...

Details Device for monitoring the operating conditions of rolling... Device for monitoring the operating conditions of rolling...

2006-07-04

2006-07-04

Mullen, Thomas J. (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S689000, C184S038400, C324S160000, C324S174000, C324S207160, C324S207120

Reexamination Certificate

active

07071834

ABSTRACT:
A device for monitoring the operating conditions of a rolling bearing, has the rolling bearing including: an outer ring of a metal with outer raceway; an inner ring of a metal with an inner raceway; and a plurality of rolling elements; a first member electrically connected to the outer ring; a second member electrically connected to the inner ring; and a lubricant presented on the area at which the outer raceway and the inner raceway come in contact with the rolling surface of the rolling elements; wherein, the electrical characteristics between the outer ring or first member and the inner ring or second member are monitored in order to monitor the operating conditions of the rolling bearing operating with a lubricant and when the electrical characteristics thus monitored fall outside a predetermined range, the lubricating conditions are judged poor.

REFERENCES:
patent: 5001435 (1991-03-01), Smith
patent: 6490935 (2002-12-01), Joki et al.

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