G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 21/08 (2006.01) G01K 3/10 (2006.01) G01N 25/00 (2006.01)
Patent
CA 2301731
In order to determine the thickness of a water film on a suface, especially on a street, a portion of the water film is heated or cooled and the thickness of the water film in determined from the progression of temperature during heating or cooling. A generated output signal is used to determine a range from many possible ranges in which the thickness of the water film lies. A Peltier element (1) is used for heating the water film. The temperature of the water film is measured by a thermoelement (5) and is evaluated by a microprocessor (8).
Pour calculer l'épaisseur d'un film d'eau sur une surface, notamment une route, on chauffe ou on refroidit une partie du film d'eau et on détermine l'épaisseur du film d'eau à partir de la courbe de température obtenue lors du chauffage ou du refroidissement. Un signal initial généré permet de déterminer, parmi plusieurs plages possibles, celle dans laquelle se situe l'épaisseur du film d'eau. Pour chauffer le film d'eau, on utilise un élément Peltier (1). La température du film d'eau est mesurée à l'aide d'un thermoélément (5) et évaluée par un microprocesseur (8).
Bornand Etienne
Boschung Marcel Jr.
Boschung Mecatronic Ag
Marks & Clerk
LandOfFree
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