Crack controlled resin insulated electrical coil

Details Crack controlled resin insulated electrical coil Crack controlled resin insulated electrical coil

2011-07-19

2011-07-19

Nguyen, Chau N (Department: 2835)

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

Reexamination Certificate

active

07982133

ABSTRACT:
An electrically insulated coil assembly for use in a high vibration environment, such as with an aircraft engine, includes a coil of metal wires encompassed by a resin base matrix. A fabric is embedded in the resin matrix near an outer surface of the resin base matrix to divide a thin layer of the resin base matrix into a plurality of segments. In an embodiment, a notch blunting additive is provided in the resin to impede crack propagation.

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