Reversing switch
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United States of America Patent
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Dec 21, 2010
Grant Date -
Aug 7, 2008
app pub date -
Aug 3, 2007
filing date -
Feb 2, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A reversing switch for use in a multi-phase electrical system, and in particular a three phase electrical system has a conductor for linking the input and output of one of the three phases. The reversing switch has two phase switches for reversing polarity. Each phase switch has a pair of stationary contacts and a moveable contact for reversing phase by switching between the stationary contacts. The moveable contacts of each phase switch are moveable in unison by a motor and associated transmission during switching of the reversing switch between first and second modes of operation of opposite polarity.
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