Transformer oil pump bearing material

H - Electricity – 02 – K

Patent

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103/110, 310/133

H02K 9/00 (2006.01) F04D 29/02 (2006.01) F04D 29/04 (2006.01)

Patent

CA 1187921

ABSTRACT OF THE DISCLOSURE 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 polyamide- imide thermoplastic resin.

412795

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