Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1977-12-19
1980-06-24
Caldwell, Sr., John W.
Communications: electrical
Condition responsive indicating system
Specific condition
57 81, 57264, 57265, 73160, 73660, 66163, 340682, D01H 1314, D01H 1322, G08B 2100
Patent
active
042097789
ABSTRACT:
In the production of yarn in an open-end spinning turbine having an elastically mounted rotor bearing, a break in the yarn or an operating state which influences yarn quality is detected by means of a sensor which produces a signal representative of radial deflections of the bearing and an evaluation circuit which responds to the absence of and/or a change in the signal component produced by the sensor as a result of radial deflections created by the fiber material present on the rotor.
REFERENCES:
patent: 2009997 (1935-08-01), Germond
patent: 3678493 (1972-07-01), Shuey
patent: 3681978 (1972-08-01), Mathias et al.
patent: 3974665 (1976-08-01), Rencin et al.
patent: 3979739 (1976-09-01), Birchall
patent: 4158284 (1979-06-01), Wehde
Schumann Fritz
Wehde Heinz
Wulfhorst Burkhard
Caldwell Sr. John W.
Nowicki Joseph E.
Teldix GmbH
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