Laminations

Details Laminations Laminations

1989-07-26

1991-09-10

Kozma, Thomas J.

Electrical generator or motor structure

Dynamoelectric

Rotary

29609, 336212, 336216, H02K 106, H01F 2726

Patent

active

050477455

ABSTRACT:
Packs of laminations and a method of assembling the packs of laminations to make a core of an electromagnetic device such as a transformer or motor are described. First and second packs of complementary laminations (12, 14) are provided that fit relatively freely together and have interfitting formations e.g. dovetail formations (16) and projections (18). Preferably adjacent laminations of each pack are attached. The first and second packs of laminations (12, 14) are held positively together in mechanical contact e.g. in a jig. The formations (18) on one or both of the laminations are then deformed to engage the formations (16) of the other lamination to clamp the first and second packs of laminations (12, 14) together. In an alternative form the first and second packs of laminations clip together.

REFERENCES:
patent: 3587020 (1971-06-01), Waasner

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