Pulsed thermistor sensor

Details Pulsed thermistor sensor Pulsed thermistor sensor

2007-04-10

2007-04-10

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Volume or rate of flow

Thermal type

C073S204110, C073S204230, C073S861950

Reexamination Certificate

active

10974494

ABSTRACT:
A thermistor is pulsed with energy, and a time constant of decay of temperature is calculated based on measured resistance of the thermistor over a number of known intervals. The time constant is representative of the mass air flow. The ambient air temperature may be found without waiting for the thermistor to reach the ambient air temperature.

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