Arrangement for non-contact revolution counting of an open-end spinning rotor
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
Nov 17, 1999
filing date -
Dec 21, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The spinning rotors of open-end spinning aggregates are supported on supporting discs. For the purposes of non-contact revolution counting, a front side of a supporting disc is provided with at least one permanent magnet. A signal receiver of a maintenance device selectively arrangeable at the spinning aggregates is arranged at the permanent magnet. The distance between the permanent magnet and the signal receiver is bridged by a ferromagnetic information transmitter, which is preferably arranged on a swivelling housing section of the spinning aggregate.
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