Process for electrodepositing mica on coil or bar connections an

Details Process for electrodepositing mica on coil or bar connections an Process for electrodepositing mica on coil or bar connections an

1985-07-05

1986-11-11

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041816, C25D 1316, C25D 1312

Patent

active

046221166

ABSTRACT:
A process for electrodepositing mica and a water soluble anionic resin binder, such as a modified polyester resin, is disclosed as a means for applying a heavy coating of a high-voltage, mica-bearing electrical insulation onto uninsulated and porous mica tape-insulated portions of electrical connections in dynamoelectric machines. The electrodeposited mica coating is subsequently impregnated with a suitable resin, such as an epoxy or polyester resin, concurrently with the impregnation of other conventional insulations in the machine. Alternatively, deposition and impregnation of the connection insulation can be performed prior to installing the connection into the machine.

REFERENCES:
patent: 2478322 (1949-08-01), Robinson et al.
patent: 2743309 (1976-04-01), Lindsay et al.
patent: 3702813 (1972-11-01), Tanaka et al.
patent: 4058444 (1977-11-01), Shibayama et al.
patent: 4533694 (1985-08-01), Elton et al.

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