GAS FLOWMETER Russian patent published in 1998 - IPC

FIELD: measurement technology. SUBSTANCE: invention refers to measurement of volume or mass of gases as they pass through measurement device in uninterrupted flow, specifically to flow rate of gas transported over gas lines of various assignment, main lines included. Gas flowmeter incorporates prechamber 1 with perforated disc 2 at inlet and sensor 3 to measure high pressure, nozzle 4, cylindrical extension piece 5 with perforation 6 communicating with circular chamber 7 placed coaxially and fitted with sensor 8 to measure low pressure and conical extension piece 9. EFFECT: enhanced functional reliability and accuracy of flowmeter. 1 dwg