Alternating current generator for a motor vehicle

Details Alternating current generator for a motor vehicle Alternating current generator for a motor vehicle

1994-11-23

1996-07-16

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 44, 310156, H02K 122

Patent

active

055369871

ABSTRACT:
An alternating current generator for a motor vehicle includes magnet type field cores, i.e., field cores with claw poles on which permanent magnets are interposed in the spaces between the claw poles, where the generator has a ratio of number of claw poles/outside diameter of the field core that allows generation of a large output current. The alternating current generator includes permanent magnets disposed in spaces between peripherally adjacent claws which reduce the magnetic flux leakage caused by the field coil occurring in the spaces. When a residual magnetic flux density higher than 0.25 tesla is applied in advance in a direction that reduces magnetic flux, a large output current is obtained when the above-noted ratio is in the range of from about 1.6.times.10.sup.-1 to 2.0.times.10.sup.-1 (1/mm).

REFERENCES:
patent: 4959577 (1990-09-01), Radomski
patent: 5306977 (1994-04-01), Hayashi

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