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US 2026/0092797 A1Published application
Venturi Flow Meter for Moisture-Saturated Compressed Air
AssigneeCDI Meters, Inc.
InventorRoger Dennison
Life of this patent
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Abstract
A flowmeter of the Venturi type made suitable for use with moisture-saturated compressed air by heating passages connecting with its pressure sensors and heating the pressure sensors themselves.
Claims14
A differential-pressure based flowmeter for moisture-saturated gas to be measured, comprising:
- one or more pressure sensors;
- and
- one or more passages between the measured gas and the pressure sensors;
- wherein at least one passage between the measured gas and at least one pressure sensor is heated, to inhibit condensation of moisture.
1 more element
A differential-pressure based flowmeter for moisture-saturated gas to be measured, comprising:
- at least two pressure sensors;
- two passages between the measured gas and the pressure sensors, wherein the passages are formed in a block of thermally-conductive material that is heated by heat transferred from and generated by a circuit board on which the pressure sensors are mounted, to thereby heat at least one passage;
- a sensor configured to sense the temperature of the gas;
- and
- control maintain the temperature of at least one of the pressure sensors at a relatively fixed temperature and above the temperature of the measured gas.
2 more elements
Dependencies are inferred from the claim text.