Apparatus for detecting faults in magnet wire insulation without

Details Apparatus for detecting faults in magnet wire insulation without Apparatus for detecting faults in magnet wire insulation without

1974-01-16

1976-07-20

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

G01R 3114

Patent

active

039709248

ABSTRACT:
Test apparatus is disclosed which provides continuous non-destructive tests for faults in insulation coatings on wire. Means are provided for counting detected faults and actuating an alarm when the fault rate exceeds an undesired limit for any predetermined incremental length of wire. Switch means are provided which automatically adjust measuring sensitivity to correspond with the switch selected D-C test voltage applied to the insulation under test.

REFERENCES:
patent: 2809349 (1957-10-01), Miller
patent: 2894204 (1959-07-01), Gambrill
patent: 3323701 (1967-06-01), Gurski et al.
patent: 3413541 (1968-11-01), Swim et al.
patent: 3491290 (1970-01-01), Peschel
patent: 3546581 (1970-12-01), Herrendeen et al.
patent: 3548302 (1970-12-01), Arnold et al.

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