Cantilevered sensor for the thread tension detector
AssigneeSulzer Rueti AG
InventorsGodert De Jager, Frank Lehnert, Rolf Benz
Life of this patent
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Abstract
A sensor for detecting the stress profile of a thread that has moved. The sensor contains a signal generator, a thread guiding member and a body of resilient material. The signal generator is resiliently mounted in a vibration damping manner and in the manner of a cantilever in a body. Through this mounting arrangement the influence through mechanical action and also the influence of the thermal expansion caused by heat as a result of the heating up caused by the running thread are largely cancelled and thus measurement errors are avoided.
Claims17
A sensor for the detection of the stress profile of a thread that has moved, the sensor comprising a signal generator, at least one thread guiding member for guiding thread in a direction of travel substantially parallel with respect to the signal generator and a body of resilient material, with the signal generator being arranged in the body, wherein the signal generator is mounted in a cantilevered manner in the body in order to compensate an influence caused by mechanical action and by heating and in order to thereby prevent the mechanical and electrical detuning of the signal generator.
An apparatus with a sensor for the detection of the stress profile of a thread that has moved, the sensor comprising a signal generator, at least one thread guiding member for guiding thread in a direction of travel substantially parallel with respect to the signal generator and a body of resilient material, with the signal generator being arranged in the body, the signal generator being mounted in a cantilevered manner in the body in order to compensate an influence caused by mechanical action and by heating and in order to thereby prevent the mechanical and electrical detuning of the signal generator, wherein a mounting arrangement in order to mount the sensor in the manner of said cantilever and by two thread guiding elements which are so arranged relative to the thread guiding member of the sensor is provided such that a thread that is moved over the thread guiding member always lies on the thread guiding member.
A loom with an apparatus having a sensor for the detection of the stress profile of a thread that has moved, the sensor comprising a signal generator, at least one thread guiding member for guiding thread in a direction of travel substantially parallel with respect to the signal generator and a body of resilient material, with the signal generator being arranged in the body, the signal generator being mounted in a cantilevered manner in the body in order to compensate an influence caused by mechanical action and by heating and in order to thereby prevent the mechanical and electrical detuning of the signal generator, wherein a mounting arrangement in order to mount the sensor in the manner of said cantilever and by two thread guiding elements which are so arranged relative to the thread guiding member of the sensor is provided such that a thread that is moved over the thread guiding member always lies on the thread guiding member, and wherein the apparatus is arranged in the running path of at least one weft thread.
Dependencies are inferred from the claim text.