G - Physics – 01 – K
Patent
G - Physics
01
K
73/72
G01K 13/06 (2006.01) G01K 1/16 (2006.01) G01K 3/14 (2006.01)
Patent
CA 1228750
APPLICANTS AND INVENTORS: REINE LINDWALL and LEIF SAMUELSSON TITLE OF INVENTION: APPARATUS FOR CONTACTLESS MEASUREMENT OF TEMPERATURE ABSTRACT OF THE DISCLOSURE The invention relates to a measuring apparatus for measuring the temperature of an elongated movable object such as a wire or wire-rod exiting from a draw plate during a wire drawing process. The wire is located in a column- like chamber which is defined by two vertical walls and through which an upwardly moving flow of gas passes. A temperature sensor is mounted above and beneath the wire and the temperature difference in the gas is determined with the aid of a differential amplifier. The sensors may be thermistors or preferably thermocouples, which in the latter case are coupled with counteracting thermo-voltages for direct compensation and an output voltage proportional to the temperature difference.
474626
Lindwall Reine
Samuelsson Leif
Lindwall Reine
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Samuelsson Leif
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