BOTTOM FORM SENSOR Russian patent published in 1997 - IPC

FIELD: study of dynamics of bottom accumulative forms and processes of formation and motion of bed loads on shelf. SUBSTANCE: device has cylindrical housing where manometric unit made in form of flexible diaphragm and provided with pusher. force control unit and dynamometer made in form of strain-measuring bridge mounted on carriage are arranged. During motion of carriage, sensitivity of sensor is adjusted. Sensor is provided with compensator made in form of watertight diaphragm and second compartment brought in communication with surrounding medium. EFFECT: enhanced reliability. 5 cl, 2 dwg