Device for cooling salient-type rotor by ventilation

Details Device for cooling salient-type rotor by ventilation Device for cooling salient-type rotor by ventilation

1982-06-02

1984-06-26

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 59, 310269, H02K 132

Patent

active

044568428

ABSTRACT:
A device for cooling a salient-type rotor by ventilation, in which ventilation ducts are formed in the radial direction in the magnetic cores on both sides thereof relative to the circumferential direction so as to communicate with the ventilation ducts in the rim. The cooling air supplied through the ventilation ducts in the rim is also permitted to flow through the ventilation ducts in the magnetic cores between the adjacent cores so that the ventilation resistance is reduced, the stator coils and the stator cores are efficiently cooled, and the field coils wound around the magnetic cores are efficiently cooled from the outer side and from the inner side thereof.

REFERENCES:
patent: 972850 (1910-10-01), Gray
patent: 3463952 (1969-08-01), Norris
patent: 3846651 (1974-11-01), Mishra
patent: 4020373 (1977-04-01), Yamamoto
patent: 4118646 (1978-10-01), Fleming
patent: 4182966 (1980-01-01), Mishra
patent: 4264836 (1981-04-01), Ducshtau
patent: 4306165 (1981-12-01), Kitabayashi

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