Capacitor switch including a bi-directional toggle mechanism and linearly opposing opening and closing spring latches
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United States of America Patent
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Jun 29, 2010
Grant Date -
May 22, 2008
app pub date -
Nov 21, 2007
filing date -
Nov 21, 2006
priority date (Note) -
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Abstract
An electric power switch suitable for use as a capacitor switch that includes a drive unit having a bi-directional toggle mechanism and linearly opposing opening and closing spring latches. The opening and closing spring latches are located on opposing sides of the toggle mechanism, which includes an open-cage spring mechanism with coaxial, nested opening and closing springs operated by a rotating, motor-driven charging cam. To open the circuit interrupter, the opening spring latch is tripped to release the opening spring and thereby remove the capacitor bank from the electric power circuit. To introduce the capacitor bank into the electric power circuit, the motor rotates the charging cam through one complete rotation, which charges the opening and closing springs and trips the closing spring latch to release the closing spring to close the circuit interrupter and thereby introduce the capacitor bank into the electric power circuit.
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