Automotive alternator

Details Automotive alternator Automotive alternator

1999-03-24

2000-09-05

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, H02K 122

Patent

active

061147931

ABSTRACT:
A pair of pole cores comprises shoulder portions positioned on both axial ends of the diametrically outermost portions of the claw-shaped magnetic poles formed into beveled or curved outer circumferential surfaces, and diametrically outermost leading-edge face portions positioned on the leading edges in the direction of rotation at both axial ends of the diametrically outermost portions of the claw-shaped magnetic poles each being formed into an outer circumferential surface inclined in a circumferential direction by a surface which passes through a point A where the inner circumferential edge of the diametrically outermost leading-edge face positioned on the leading edge in the direction of rotation of the diametrically outermost portion of each of the claw-shaped magnetic poles intersects a plane which passes through an axial end of the stator core and perpendicularly intersects the axis of the shaft, and a point B located on a ridge line where the diametrically outermost leading-edge face intersects the beveled or curved outer circumferential surface formed on the shoulder portion.

REFERENCES:
patent: 4972114 (1990-11-01), Frister
patent: 5270605 (1993-12-01), Lefrancois et al.
patent: 5708318 (1998-01-01), Fudono

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