A SMOKEMETER FOR MEASUREMENT OF SMOKE DENSITY OF EXHAUST GASES OF DIESEL VEHICLES

摘要

A smokemeter for the measurement of the smoke density of exhaust gases of diesel vehicles comprises of a device which consists of a filter paper firmly held on exhaust tail pipe of the vehicle and a flap shutter return spring mechanism to expose a desired area of the filter paper to the exhaust gases, to take a stain of the exhaust smoke for further assessment and evaluation.