VIBRO VISCOSIMETRIC TRANSDUCER Russian patent published in 2011 - IPC G01N25/02 

FIELD: physics.

SUBSTANCE: proposed vibro viscosimetric transducer reduces instability of amplitude and frequency of probe mechanical vibrations in analysing constant-viscosity fluids. Proposed transducer comprises probe mechanical current position pickup. Besides, it comprises mechanical vibration system rigidly coupled via rod with measuring spherical probe provided with thermocouple thermometre, and arranged on rigid base supporting electric exciter of mechanical oscillations of vibration system. Note here that said base is located inside outer temperature-controlled pickup casing and isolated thereof. Note also that mechanical vibration system is made up of two high-Q-factor vibration circuits rigidly fitted on the base to vibrate thereon, mainly, collinearly and linearly at close or equal resonance frequencies. Note here that exciter is arranged to interact only with vibrator provided with rod with measuring probe. Besides, mechanical vibration system represents a tuning fork with parallel operating and compensating vibrators.

EFFECT: reduced instability of amplitude and frequency of probe mechanical vibrations in analysing constant-viscosity fluids.

6 cl, 6 dwg