DEVICE FOR DETERMINING A GAS MASS FLOW RATE, AND METHOD FOR RE-CALIBRATING SUCH A DEVICE
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Jan 22, 2013
filing date -
Mar 13, 2012
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Abstract
A device for determining a gas mass flow rate includes a first sensor unit comprising at least one first temperature measuring element and a first heating element. A second senor unit comprises at least one second temperature measuring element and a second heating element. A control unit is configured to adjust the first heating element to a first controlled excessive temperature. The control unit is connected to the second heating element so that the second heating element is adjustable to a second controlled excessive temperature.
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