Dynamo-electric machine stator core construction

Details Dynamo-electric machine stator core construction Dynamo-electric machine stator core construction

1992-01-31

1993-02-09

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 64, 310 91, 310217, 310260, H02K 112

Patent

active

051855470

ABSTRACT:
Apparatus for aligning the endplates with the core of an electrical generator. To accommodate for relative thermal expansion and contraction between the endplates, having differing coefficients of thermal expansion due to being made of a different material than the core and fingerplates, an endplate variable alignment pin is provided for associating the endplates with the remainder of the core structure. The endplate is able to radial expand or contract in relation to the fingerplate plates in a controlled manner. An eccentric pin is provided to compensate for misalignment between the endplate and the fingerplates at each end of the stator core structure. Radial guide blocks are secured to the fingerplates prior to stacking and bolting of the core, to eliminate the need for in situ welding in constricted areas after core construction.

REFERENCES:
patent: 4126799 (1978-11-01), Iogansen
patent: 4227109 (1980-10-01), Mulach
patent: 4314174 (1982-02-01), Srdoch
patent: 4315173 (1982-02-01), Calfo
patent: 4494030 (1985-01-01), Mulach
patent: 4894573 (1990-01-01), Simpson
patent: 5051642 (1991-09-01), Hediger

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