Motor lead wire

Details Motor lead wire Motor lead wire

1992-08-07

1994-01-25

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

174110FC, 174110PM, 174120SR, H01B 700

Patent

active

052817660

ABSTRACT:
The present invention features a new lead wire for use with class F motors, coils and transformers. The new motor lead wire has the UL-required temperature rating of at least 150.degree. C. and a voltage rating of approximately 600 volts. The lead wire is characterized by a thinner and less costly insulative construction. The motor lead wire has a conductive core member that is overcoated with a primary insulation layer of polyolefin. The polyolefin layer is of a reduced thickness, generally below the standard 30 mils. The polyolefin insulation thickness can be reduced by half, to about 15 mils. This reduced insulation layer is then protected with a jacket of polyvinylidene fluoride or a polyvinylidene fluoride copolymer having an approximate maximum thickness of 0.005 inches. The primary insulation is cross-linked and stabilized with zinc salt of methylmercaptobenzimidazole and a hindered phenol oxidant.

REFERENCES:
patent: 3269862 (1966-08-01), Lanza et al.
patent: 3546014 (1970-12-01), Nicodemus
patent: 4260661 (1981-04-01), Walters et al.
patent: 5059483 (1991-10-01), Lunk et al.

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