Stator core cooling for dynamoelectric machines

Details Stator core cooling for dynamoelectric machines Stator core cooling for dynamoelectric machines

1978-06-13

1980-08-12

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 59, H02K 900

Patent

active

042175119

ABSTRACT:
Improved cooling is provided for the end regions of the stator cores of large dynamoelectric machines where substantial losses result from the presence of axial magnetic flux. Additional cooling is provided in the tooth portion of the end regions of the core by means of axial vents in the slots for flow of coolant gas between the winding conductors and the slot walls, thus cooling the teeth and reducing excessive heating, while the heated slot wall is spaced from the winding insulation and direct contact is prevented.

REFERENCES:
patent: 2618756 (1952-11-01), Fechheimer
patent: 2920219 (1960-01-01), Beckwith
patent: 3171996 (1965-03-01), Alger
patent: 3431443 (1969-03-01), Essen
patent: 4061937 (1977-12-01), Goel

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