Detector for cold movement detection of a railway vehicle, and method for its operation
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United States of America Patent
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Jun 4, 2013
Grant Date -
Sep 27, 2012
app pub date -
Mar 1, 2012
filing date -
Mar 25, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An inventive detector detects movement of a railway vehicle in a powerless time interval. At its beginning, indicator items or first magnetic antagonists of detection cells are lifted by actuators to a switching device, which provides at least one holding section or second magnetic antagonist for a part of the indicator items which then stick to or near to the switching device by magnetic force. The switching device, though, is movably mounted and coupled to the railway vehicle's movement, so the holding section moves relative the detection cells if the railway vehicle moves. As a result, detection cells from which the holding section moves away experience a drop of the indicator item due to gravity. By means of sensors, such a drop is detected at the end of the time interval and used for cold movement indication.
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