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.
Type:
Grant
Filed:
September 21, 1992
Date of Patent:
April 26, 1994
Assignee:
Slaughter Company, Division of R. E. Phelon Company, Inc.