Method and apparatus for determining the weld and coil resistanc

Details Method and apparatus for determining the weld and coil resistanc Method and apparatus for determining the weld and coil resistanc

1992-09-21

1994-04-26

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324704, 324546, G01R 2714, G01R 3106

Patent

active

053070194

ABSTRACT:
Disclosed is a method and apparatus for determining weld and coil resistances of a commutator type electric motor armature. The method comprises the steps of determining a resistance ratio for a pair of coils and then determining the weld resistance across a commutator bar and coil connection based upon the resistance ratio.

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patent: 4864242 (1989-09-01), Hurley
patent: 5140276 (1992-10-01), Fisher
patent: 5256977 (1993-10-01), Domenichini et al.

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