Twin bobbin four pole motors and methods for making same

Details Twin bobbin four pole motors and methods for making same Twin bobbin four pole motors and methods for making same

1998-05-06

2000-02-01

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310172, 310179, H02K 112

Patent

active

RE0365459

ABSTRACT:
A double twin bobbin four pole motor is disclosed. The motor includes a first and second stack of magnetically conductive stacked laminations. The first stack includes a four pole central portion with a rotor opening and two pairs of spaced side legs, each spaced pair of side legs extending from opposite sides of the central portion generally in mirror image relationship with one another and terminating in an outer free extremity. Each of the stacked side legs of the stacked spaced pair of side legs have a combined predetermined outer cross sectional configuration. The second stack of laminations includes a pair of separate magnetically conductive stacked laminations for attachment to the outer free extremities of each pair of stacked side legs. Each of the second stack of laminations have a combined predetermined outer cross sectional configuration. At least one electrically conductive coil is positioned about the combined predetermined outer cross sectional configuration of one of each of the stacked side legs of the first stack of laminations or about each of the second stack of laminations. Each electrically conductive coil is preferably wound about an insulating bobbin which may be integrally connected to another insulating bobbin to facilitate winding of an electrically conductive wire about the insulating bobbins and subsequent mounting of the insulating bobbin over the spaced stack legs on each side of the central portion. An improved method of manufacturing the first and second stack of laminations from an elongated strip of magnetically conductive material is also disclosed.

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