Alternator rotor, particularly for motor vehicles

Details Alternator rotor, particularly for motor vehicles Alternator rotor, particularly for motor vehicles

1988-09-09

1990-02-20

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 59, 310263, H02K 132

Patent

active

049029223

ABSTRACT:
The rotor comprises a shaft from which two facing pole plates extend radially, each having a plurality of radial pole fingers whose ends are bent towards the other pole plate and each of which extends between two adjacent fingers of the other pole plate. An excitation winding is situated between the plates coaxial with the shaft. At least one axial ventilation duct is formed in the shaft from which branch radial ducts in correspondence with the pole plates, the ducts communicating with the corresponding ventilation passages provided in each pole plate, which open into recesses defined between pairs of adjacent pole fingers.

REFERENCES:
patent: 3590294 (1971-06-01), Inagaki
patent: 3591816 (1971-07-01), Sakamoto
patent: 3617782 (1971-11-01), Nakamura
patent: 3742266 (1973-06-01), Heller
patent: 4110642 (1978-08-01), Thiele
patent: 4263526 (1981-04-01), Taguchi
patent: 4614889 (1986-09-01), Ikegami

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