PIEZOELECTRIC RESONANT FORCE TRANSDUCER Russian patent published in 1994 - IPC

FIELD: measurement equipment. SUBSTANCE: transducer has two similar beams secured in body and made with tight hollows with connectors disposed on both sides. Attached to identical connectors are piezoelectric elements cut in circuit for separation of frequency difference, at whose output the signal proportional to measured force acting on one of beams is separated. Piezoelectric elements may be attached to connectors which have no grooves. Beams may be made integral with distance from beam attachment point to respective hollows and piezoelectric elements are equal to each other. Hollows may be communicated with each other. EFFECT: higher accuracy of transducer. 4 cl, 4 dwg