Limited angular deflecting type rotary electromagnetic actuator
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United States of America Patent
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Oct 14, 1997
Grant Date -
N/A
app pub date -
Mar 23, 1995
filing date -
Mar 25, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic actuator rotatable about an axis including a stator magnet circuit (2) with an inner pole (9) having a central core (11), a first pole shoe (12) forming the continuation of the core at one axial end of the stator circuit and extending through an angle of approximately 180.degree., and a single coil (3) coaxially surrounding the central core (11), the core (11) and the coil (3) being off-center relatively to the axis of rotation; and an outer pole (10) having a lateral armature (13.sub.2) in the form of a tubular sector outside the coil (3) and parallel to the core (11), and a second pole shoe (14) forming the continuation of the armature (13.sub.2) at the axial end of the stator circuit and extending through an angle of approximately 180.degree.; the ends of the central core (11) and of the armature (13) which are remote from the respective pole shoes being mutually in contact.
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