Rotor pole crossover

Details Rotor pole crossover Rotor pole crossover

1990-11-30

1992-05-05

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

310270, 310179, 310 71, 174 86, H02K 5600, H92K 4100

Patent

active

051110970

ABSTRACT:
A generator rotor pole crossover including a substantially U-shaped portion from which extend legs curving outwardly. The U-shaped portion is thickened in one direction but thinned in another direction, relative to the leg thickness. This configuration provides flexibility to the crossover, decreased stress and relatively constant cross section of resistance purposes. The legs are brazed to the copper conductor winding ends by scarf and lap joints, respectively. The crossover may replace defective crossovers in the field by removing only the end plate of the generator. This allows installation in a short time without risk of damage to generator insulation.

REFERENCES:
patent: 4633201 (1986-12-01), Ruff
patent: 5015622 (1991-05-01), Ward et al.
Blueprint of conventional "laminated" crossover dated 1982, 1983, No. 2226F59.
Photo of "laminated" crossover installed in generator.

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