FLOW METER Russian patent published in 2019 - IPC G01F1/84 G01F15/14 

FIELD: measuring equipment.

SUBSTANCE: flow meter comprises an outer casing embracing on the rectilinear and curved sections a vibratory system comprising two parallel symmetrical U-shaped measuring tubes, which are connected at their ends to input and output fluid medium flow divisors, rigidly connected to housing. Inlet splitter has branch pipe and is connected to ends of tubes connected by other ends to outlet splitter, having branch pipe. Excitation drive is fixed to tubes in their middle part, and on each side from drive to tubes there is an inductive transducer-sensor connected to means of signal processing. Casing is equipped with damper of oscillations (diverter) in form of, for example, even number of vibration dampers distributed in two rows along vibrating system tubes. Each of vibration dampers is at least partially filled with loose material. Vibration dampers are fixed on casing wall in rows, for example, by four vibration dampers in each row. In each pair the neighboring vibration absorbers are arranged in pairs symmetrically to each other relative to the drive and each transducer. Vibration dampers in each pair have identical geometric characteristics, are filled with the same weight/mass amount of loose material – metal shot – and are arranged on sections of surface of casing walls parallel to each other. Bulk material (metal grit) is placed in the tanks of vibration absorbers with the possibility of moving particles of material, dimensions and number of which are selected to ensure absence of resonance of jacket with tubes.

EFFECT: high measurement results, simplified design and process implementation of a flow meter with a dynamic vibration damper.

7 cl, 4 dwg