Bearings – Rotary bearing – Antifriction bearing
Patent
1998-03-10
2000-02-29
Hannon, Thomas R.
Bearings
Rotary bearing
Antifriction bearing
384536, F16C 1950
Patent
active
060301287
ABSTRACT:
Bearing assemblies supporting the shaft of an electrical rotating machine are electrically insulated from the bearing housing. For each bearing assembly, a portion of the housing defines a receptacle into which an insertion ring is positioned. The gap between the insertion ring is filled with an appropriate insulative material, such as a nonconductive binding compound or an insulative polymer. In a preferred construction, nonconductive binding compound is located between spacers of insulative polymer. In another preferred construction, a nonconductive coating is applied to the outer surface and the remainder of the gap is filled with nonconductive binding compound. Insulative polymeric material may be used without binding compound in some embodiments. The bearing assembly is maintained in the insertion ring.
REFERENCES:
patent: 2543647 (1951-02-01), Stark et al.
patent: 3672734 (1972-06-01), Bando
patent: 4109978 (1978-08-01), Ernst et al.
patent: 4229055 (1980-10-01), Olschewski et al.
patent: 4854751 (1989-08-01), Grassmuck et al.
patent: 4997293 (1991-03-01), Ono et al.
patent: 5059041 (1991-10-01), Watanabe et al.
patent: 5375933 (1994-12-01), Mizutani et al.
Hannon Thomas R.
Horn John J.
Killen Craig N.
Miller John M.
Reliance Electric Industrial Company
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