Ventilated creepage blocks

Details Ventilated creepage blocks Ventilated creepage blocks

1997-03-20

1999-07-27

Enad, Elvin G.

Electrical generator or motor structure

Dynamoelectric

Rotary

310215, 310216, 310217, 310218, 310261, 310270, H02K 348

Patent

active

059295503

ABSTRACT:
A creepage block for a turbine rotor slot in which coil windings are embedded, wherein the creepage block is sandwiched between the windings and a wedge block, and wherein aligned radial cooling passages are formed in axially spaced locations in the windings and the wedge block. The creepage block includes a pair of solid half blocks in substantially parallel relationship, the blocks held in laterally spaced relation by a plurality of discrete spacers which may be dowel pins.

REFERENCES:
patent: 4390806 (1983-06-01), O'Brien et al.
patent: 4473765 (1984-09-01), Butman, Jr. et al.
patent: 4486676 (1984-12-01), Moore et al.
patent: 4859891 (1989-08-01), Jenkins et al.
patent: 5065064 (1991-11-01), Kaminski
patent: 5122698 (1992-06-01), Walker et al.
patent: 5174011 (1992-12-01), Weigelt
patent: 5329197 (1994-07-01), Kudlacik

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