JPH0339377U

JPH0339377U -

Info

Publication number: JPH0339377U
Application number: JP9720689U
Authority: JP
Priority date: 1989-08-21
Filing date: 1989-08-21
Publication date: 1991-04-16

Description

[Brief explanation of drawings]

第１図および第２図は本考案に係る小型ステツ
プモータの一実施例を示す図であり、第１図はこ
の小型ステツプモータの平面図、第２図は第１図
における矢視部分断面図、第３図ないし第５図
は他の実施例を示す図であり、第３図はこの小型
ステツプモータの平面図、第４図は第３図におけ
る矢視図、第５図は矢視部分断面図である。
第６図は従来の小型ステツプモータの平面図であ
る。１……ロータ、５，６……ステータ、１１，２
１……調整手段付補極、１５，１６……コイル、
１９……駆動回路。 1 and 2 are diagrams showing one embodiment of a small step motor according to the present invention, FIG. 1 is a plan view of this small step motor, and FIG. 2 is a partial sectional view taken in the direction of the arrow in FIG. 1. , FIGS. 3 to 5 are views showing other embodiments, in which FIG. 3 is a plan view of this small step motor, FIG. 4 is a view in the direction of the arrow in FIG. 3, and FIG. 5 is a view in the direction of the arrow FIG.
FIG. 6 is a plan view of a conventional small step motor. 1... Rotor, 5, 6... Stator, 11, 2
1... Compensating pole with adjustment means, 15, 16... Coil,
19...Drive circuit.

Claims

[Scope of utility model registration request]

A rotor consisting of a rotatably arranged and magnetized permanent magnet, a stator having a plurality of magnetic pole parts arranged opposite to the rotor, a coil wound around the stator, and a coil that flows through the coil. What is claimed is: 1. A small step motor equipped with a drive circuit for controlling an excitation current, characterized in that a commutating pole with an adjusting means for adjusting the magnetic coupling force with the rotor is disposed between the magnetic pole parts.