Vehicle alternator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 7, 2000
Grant Date -
N/A
app pub date -
Dec 11, 1998
filing date -
Jul 9, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicle alternator is constructed such that satisfies the relationship 0.3.ltoreq.{Br.multidot.(t1+t2).multidot.L}/(W.multidot.t1.multidot.cos.theta.).ltoreq.2.0 where Br represents the residual magnetic flux density of each of the magnets, L represents the length from the short side at the tip to the long side at the base of each of the claw-shaped magnetic poles, W represents the width in the circumferential direction at the base, 2.theta. represents the angle formed by an oblique side which joins one end of the tip to one end of the base and another oblique side which joins the other end of the tip to the other end of the base, t1 represents the thickness of each of the claw-shaped magnetic poles at the base, and t2 represents the thickness of each of the claw-shaped magnetic poles at the tip.
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