Yarn break detecting device for spinning machine

Details Yarn break detecting device for spinning machine Yarn break detecting device for spinning machine

1994-04-28

1995-01-31

Stodola, Daniel P.

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57264, 242157R, 242157C, D01H 1316, B65H 5700

Patent

active

053850084

ABSTRACT:
A yarn break detecting device for a spinning machine includes detectors, a feed section and a control section. The detectors each include a pair of electrodes having substantially the same area and adapted to electrically induce a potential depending on static electricity charged on a yarn, a differential amplifier, a waveform shaper and an indicator lamp. The induced potential is then amplified and rectified to turn on the indicator lamp and concurrently fed to a microprocessor in the control section for operation processing, resulting in positions at which yarn break occurs and the number of yarn breaks being indicated.

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patent: 4393647 (1983-07-01), Kitamura
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patent: 4965567 (1990-10-01), Meyer

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