Stepping motor with internal power connections

Details Stepping motor with internal power connections Stepping motor with internal power connections

1996-04-30

1997-11-25

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310164, 310154, 336192, H02K 1500

Patent

active

056915837

ABSTRACT:
In the motor: rotating shaft 5 is mounted in casing 1; a rotor yoke 7 has its top closed with plate 7a and its bottom opened; the plate 7a with a center hole is fitted on the shaft 5; the rotor yoke 7 has a permanent magnet 6 in its inner surface; stator 8 constructed of coil 11 and stator yoke 12, 13 and fixed to the casing 1 surrounds the shaft 5; bobbin 10 for the coil 11 having its upper and lower ends opened has outer flange 14, 15 in its opposite opened-ends; the stator yoke 12, 13 surround the coil 10; the bobbin 10 has axial ridge 16a in its inner surface; through-holes 17a, 17b, 18a, 18b of the ridge 6a extend along the length of the ridge 16a; feeding members 20, 22 pass through the through-hole 17a, 17b, 18a, 18b, are connected with lead wires 21 extending outward from the coils 10, and have their ends extended outward from the casing 1 to form feeding terminals.

REFERENCES:
patent: 3731245 (1973-05-01), Roslin
patent: 5121017 (1992-06-01), Yamamoto et al.
patent: 5254892 (1993-10-01), Bosman et al.
patent: 5331237 (1994-07-01), Ichimura
patent: 5410200 (1995-04-01), Sakamoto et al.

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