New Telemeter to Measure Engine Parts during Operation

摘要

The authors have developed a new telemeter to measure temperature, strain and distance of the engine parts during operation with high accuracy. This telemeter system has an advantage using original signal processing method in which the sensor outputs are directly converted to digital signals without conventional amplifiers and A/D converters. This system enables multipoint measurements at high engine speed above 6000 r/min in small gasoline engines because of its compactness and lower power consumption. We introduce this application to measurements of piston strain, cylinder bore distortion and piston ring behavior.