| 摘要 |
Heat flow sensor having at least two plates with the heat (thermo) sensitive elements and with holes (openings) for the passage of air flow, so that the tops of both plates with the thermo sensitive elements are placed facing the outer surface of the sensor, so that their openings coincide and the construction provides passage of air through the openings whereby the thermo sensitive elements are located between all the holes of the plates and serially connected on every plate, and then the said sensor (plates) has one common point of connection in the middle of each side so that each sensor has at least three output wires—the total, the output of each plate, and therefore the magnitude and direction of the heat flow, are determined by the difference between the outputs of the two earlier described plates.
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