Patent ID: 7367711

Claim:
A liquid type identification apparatus for a light oil, for identifying the type and distillation properties of a light oil, comprising: a liquid type identification chamber for a light oil, for allowing a light oil to be identified, which has been introduced into a liquid type identification apparatus body, to temporarily stay therein; a liquid type identification sensor heater provided within the light oil type identification chamber; and a liquid temperature sensor spaced by a given distance from the liquid type identification sensor heater and provided within the light oil type identification chamber, the liquid type identification sensor heater comprising a heater and an identification liquid temperature sensor provided in the vicinity of the heater, the liquid type identification apparatus further comprising an identification control unit; the identification control unit being constructed that a pulse voltage is applied to the liquid type identification sensor heater for a predetermined period of time, and the light oil to be identified which temporarily stays within the liquid type identification chamber for a light oil is heated by the heater, and the liquid type is identified with a voltage output difference V 0 , corresponding to a temperature difference between the initial temperature and the peak temperature of the identification liquid temperature sensor.