Transformer oil pump bearing material

Details Transformer oil pump bearing material Transformer oil pump bearing material

1981-10-13

1987-10-13

Gluck, Richard E.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

384905, 384907, F04B 3906, F16C 3320

Patent

active

046995730

ABSTRACT:
Fluid-cooled electrical apparatus characterized by a new and improved pump for circulating the fluid within the apparatus. The pump has a motor portion in fluid communication with a pump portion, non-electrically conductive bearings supporting a common shaft between the two portions. The bearings being comprised of a polyamideimide thermoplastic resin.

REFERENCES:
patent: Re28354 (1975-03-01), Orkin
patent: 3115839 (1963-12-01), Pollack et al.
patent: 4111499 (1978-09-01), McCloskey
patent: 4320431 (1982-03-01), Bell

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