G - Physics
01
R
G01R 19/175 (2006.01) F16D 27/10 (2006.01) F16D 27/14 (2006.01) F16D 48/06 (2006.01) F16D 65/28 (2006.01) F16D 66/00 (2006.01) G08B 21/18 (2006.01)
Patent
CA 2314584
A proving switch is provided for an electromagnetic device for brakes and clutches having an energization coil energizable to attract an armature to a magnet body, the coil exhibiting increasing current flow therethrough upon application of an energization voltage thereacross, and exhibiting a momentary dip upon engagement of the armature and magnet body. Detection circuitry senses the current dip and provides a status signal in response thereto, confirming the engagement.
Borden Ladner Gervais Llp
Rexnord Corporation
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