Methods and apparatus for producing dynamo-electric machine...

Details Methods and apparatus for producing dynamo-electric machine... Methods and apparatus for producing dynamo-electric machine...

H - Electricity

02

K

H02K 15/16 (2006.01) H02K 15/09 (2006.01) H02K 23/30 (2006.01)

Patent

CA 2130697

Abstract of the Disclosure Armatures for dynamo-electric machines are balanced during manufacture by measuring the unbalance of the armature assembly prior to winding the coils on the armature. The numbers of turns of wire in at least some of the coils subsequently wound on the armature are then adjusted so that the unbalance of the resulting coils compensates for the unbalance of the armature prior to coil winding. Alternatively, one or more extra turns of wire that are short-circuited at the commutator may be added to help balance the armature. In addition, masses may be added to the armature to ensure that it is balanced dynamically as well as statically.

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