DETONATION TRANSDUCER Russian patent published in 1998 - IPC

FIELD: measurement technology, measurement of parameters of detonations in electron system controlling automobile engine and of vibrations in various fields of technology. SUBSTANCE: detonation transducer has cylindrical case with elastic base and reference element joined to base of case arranged uniaxially, bar electric lead-out with contact spring, disc piezoelectric element with lower and upper electrodes correspondingly contacting elastic base of case and contact spring of bar electric lead-out and plug. Plate spring with central hole is inserted additionally. External edges of plate spring contact periphery of disc piezoelectric element isolated from upper electrode and internal part - plug. EFFECT: enhanced stability and decreased dimensions of transducer. 2 cl, 1 dwg