Electromagnetic device with low remanence
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United States of America Patent
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Mar 20, 1990
Grant Date -
N/A
app pub date -
Jan 29, 1988
filing date -
Feb 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic device such as an electromagnetic brake or an electromagnetic coupling comprises an electromagnet, at least two parts arranged so that, when the electromagnet is switched on, a magnetic flux extends through the parts. Formations reducing residual magnetism in the parts, including a plurality of gaps formed as slots, are provided in at least one of the parts, such that this part remains a one-piece member.
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