Electricite De France

Commissariat a L'energie Atomique

Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Marc Petit

Sylvain Blairon

Patrice Tochon

Patrice Clement

José Veau

The invention relates to a belt for measuring physical quantities of an object, comprising at least one measurement sensor, a strip and a device for clamping the strip around the object. According to the invention, the belt comprises a pressing device for pressing the measurement sensor in a first orientation toward the object, comprising a casing attached to the strip, an intermediate part and a constraining member to have the intermediate part assume a first low position in which it presses toward the sensor in the first orientation, a lifting member, for holding the intermediate part in a second lifting position above the first low position against the constraining member, the lifting member being actuable from the outside of the casing to have the intermediate part pass from the second lifting position to the first low position in which it presses toward the sensor.

Belt for measuring physical quantities of an object

The invention concerns a belt for measuring temperature of an object, the belt comprising: at least one measurement sensor, a strip having a circumference intended to surround the object, a device for clamping the strip around the object, characterized in that the temperature sensor is mounted on an individual heat-insulating support displaceable in a guiding direction toward the object between at least two heat-insulating pads which are intended to abut against the object, the pads being attached to the strip.

Belt for measuring the temperature of an object

The invention relates to a method for the detection and/or measurement of fouling in a heat exchanger, whereby the resistance value (R, R) of a resistor (R), placed on a wall (P) of this heat exchanger, is measured at two different instants and a value of the measurements (R; R) that corresponds to a function of the values measured at these two instants is determined, characterized in that the resistor (R) is subjected in succession to two power levels (P, P) that are each maintained for a certain duration, the first power level (P) being below the second power level (P), and the measurements of the two resistance values (R, R) being respectively carried out during application of these two power levels. The invention also relates to a device for the detection and/or measurement of fouling in a heat exchanger, characterized in that it includes a resistor (R), placed on a wall (P) of this heat exchanger, means () for delivering a constant power to said resistor (R) and processing means (), these various means being capable of implementing the method according to the invention Finally, the invention relates to the use of said method or of said device.

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Pontoise, France

Marc Petit