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Flow sensing device with temperature compensation
专利权人:
Steven Adam Kimmel;Alain-Jean Delache
发明人:
Alain-Jean Delache,Steven Adam Kimmel
申请号:
US13508638
公开号:
US09983039B2
申请日:
2010.10.15
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A device (12) that uses a temperature coefficient pre-calibrated for the device for measuring a flow within the device. The device includes a differential pressure sensor (80) configured to generate a differential pressure signal responsive to a differential pressure within a flow path (16) and a temperature sensor configured to sense a temperature near the differential pressure sensor. A differential amplifier amplifies differential pressure signals from the differential pressure sensor. A processor receives signals from the differential pressure sensor, amplified signals from the differential amplifier, and signals from the temperature sensor. The amplified signals are corrected based upon at least a predetermined temperature coefficient, and the processor calculates a flow rate based on the corrected representation of the differential pressure.
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