PIEZOELECTRIC TRANSDUCER OF FAST-CHANGING PRESSURE Russian patent published in 2003 - IPC

Abstract RU 2215275 C2

FIELD: measurement technology. SUBSTANCE: invention is related to measuring devices intended for operation in high-power transport and industrial power systems. Piezoelectric transducer includes stack of piezoceramic plates electrically connected in parallel that contains bimorph plate with diameter greater that that of other plates. Layers of peripheral part of bimorph plate are polarized in opposite directions and layers of its central part are polarized in same direction. EFFECT: high sensitivity and low vibration error. 1 dwg

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RU 2 215 275 C2

Authors

Butov V.I.

Vusevker V.Ju.

Mokrov E.A.

Panich A.E.

Dates

2003-10-27—Published

2001-05-31—Filed