Armature core

Details Armature core Armature core

1993-06-16

1994-08-16

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310216, 310261, 336234, H02K 106

Patent

active

053389964

ABSTRACT:
An armature comprising a number of core sheets each having a number of slots and wherein a plurality of punched-in recesses for fitting are formed on the tail side of each core sheet and a plurality of punched-out protrusions for fitting provided by punching in said plurality of recesses are formed on the top side thereof, both by press-working; the core sheets being laminated by pressing the number of core sheets whereby said plurality of protrusions for fitting on the top side of each core sheet press-fit to said plurality of recesses for fitting on the tail side of a contiguous core sheet thereby positioning and integrally laminating the number of core sheets; wherein a plurality of protrusions for clearance each having a very small height are formed on the top side of each core sheet thereby providing a very small clearance between two of the contiguous core sheets.

REFERENCES:
patent: 3202851 (1965-08-01), Zimmerle
patent: 3780428 (1973-12-01), Zorev
patent: 4364169 (1982-12-01), Kawano
patent: 4514654 (1985-04-01), Muller
patent: 4538345 (1985-09-01), Diederichs
patent: 4876473 (1989-10-01), Tanaka et al.
patent: 5075150 (1991-12-01), Webb
patent: 5142178 (1992-08-01), Kloster

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