Electric stepping motor for two directions of rotation

Details Electric stepping motor for two directions of rotation Electric stepping motor for two directions of rotation

1992-04-09

1993-09-14

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310254, H02K 3710

Patent

active

052452336

ABSTRACT:
An electromagnetic stepping motor for two directions of rotation has a stator (1), a rotor (6) and a housing (23). Four half-coils (2) with iron cores (4) are arranged equidistant from and with their axes parallel to the rotor axis (3) and perpendicularly to a return bridge (5). Each half-coil (2) is wound in the direction opposite the half-coils (2) lying opposite it. The iron cores (4) are connected magnetically to each other by a pole-shoe spider (8) at their ends which lie opposite the return bridge (5). The permanent magnet (7) of the rotor (6) is arranged within a central bore hole (9) of the pole-shoe spider (8), with the formation of an air gap.

REFERENCES:
patent: 4831293 (1989-05-01), Krop
patent: 4973867 (1990-11-01), Sudler

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