FIELD: instrumentation engineering; measurement of flow rates of liquids.
SUBSTANCE: proposed flowmeter has housing with inlet and outlet branch pipes and working chamber including diffuser, cylindrical part and contraction which are engageable in succession. Working chamber is provided with ball rotor magnetized in central plane of rotation and fitted with bladed turbine mounted on its axle. Bladed turbine is located in outlet branch pipe. Located additionally before inlet branch pipe is inlet contraction. Housing is mounted in cylindrical bush forming circular peripheral passage whose minimum flow section exceeds area of inlet section of said inlet contraction by 0.5-2.5 times.
EFFECT: enhanced accuracy of measurements.
8 cl, 1 dwg
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