Electromagnetic control motor device, particularly a ratio meter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 26, 2000
Grant Date -
N/A
app pub date -
Oct 2, 1998
filing date -
Apr 5, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to an electromagnetically controlled drive device, in particular a ratio meter, the device being of the type comprising: a set of control coils (10, 20); a frame (50) which carries the set of coils (10, 20); equipment including a magnet suitable for being pivoted by the set of control coils (10, 20); and magnetic shielding (100) surrounding the set of coils (10, 20) and the support frame, at least in part, the device being characterized by the fact that the shielding (100) comprises an annular skirt (110) that is not a circular cylinder.
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