Piston-cylinder unit with device for determining position
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United States of America Patent
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May 12, 2015
Grant Date -
Jul 12, 2012
app pub date -
Jan 11, 2012
filing date -
Jan 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to a piston-cylinder unit with a device for determining position, the device comprising at least one exciter that is indirectly or directly electrically connected with the cylinder jacket and the cylinder piston of the piston-cylinder unit, and that excites the electrical oscillating circuit formed by the piston-cylinder unit and the contact lines to oscillate at its resonant frequency, it being possible to measure an electrical signal characterizing the resonant frequency on the piston-cylinder unit. The invention also relates to a construction machine or piece of hoisting equipment with such a piston-cylinder unit.
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