Filter with data storage provided with an antenna for transmitting signals
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United States of America Patent
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May 28, 2013
Grant Date -
Feb 3, 2011
app pub date -
Jan 30, 2009
filing date -
Feb 7, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A filter element (1) for filtering fluids, such as hydraulic fluids or gases, is in a filter housing (12) having an inlet (18) for the fluid to be filtered, an outlet (20) for the filtered fluid. The filter element has a data storage (52). Data stored in the data storage (52) is electronically readable from the data storage (52) by a read and/or write device (70). An antenna (60) extends outside the data storage (52) and provides the signal coupling between the data storage (52) and the read and/or write device (70). The antenna (60) extends at least in sections about a longitudinal axis (44) of the filter element (1) such that independently from the angular position of the filter element (1) and the attached data storage (52) a signal coupling between the data storage (52) and the read and/or write device (70) is ensured.
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