Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1999-03-10
2000-08-22
LaBalle, Clayton
Electrical generator or motor structure
Dynamoelectric
Rotary
310269, 310179, 310263, 310180, 310194, 310208, 310261, 310 42, H02K 1500, H02K 100, H02K 300, H02K 1926, H02K 122
Patent
active
061077194
ABSTRACT:
A rotor for an automotive alternator comprises a cylindrical bobbin having a cylindrical portion, a pair of first and second annular flange portions projecting perpendicularly from both ends of the cylindrical portion, a recessed groove disposed at an angle to the radial direction in the inner wall of the first flange portion, and an anchor portion disposed on an outer circumferential portion of the first flange portion in close proximity to the outer circumferential end of the recessed groove, the bobbin being fitted over the base portions of the pair of field cores; and a field winding wound a predetermined number of turns into multiple layers on the cylindrical portion of the bobbin, wherein the field winding has a flat shape, the starting end of the field winding being wound around the anchor portion and housed in the recessed groove, then drawn from the inner circumferential end of the recessed groove onto the outer circumferential surface of the cylindrical portion of the bobbin, and additionally taken across the outer circumferential surface of the cylindrical portion of the bobbin from the first flange portion to the second flange portion, and thereafter being wound onto the outer circumferential surface of the cylindrical portion of the bobbin at an angle relative to a plane which perpendicularly intersects the axial center of the bobbin.
LaBalle Clayton
Mitsubishi Denki & Kabushiki Kaisha
Perez Guillermo
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