METHOD AND DEVICE FOR ADJUSTING FLUID TEMPERATURE IN DRIVE SYSTEM PERFORMANCE TEST OF INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To provide a method and a device for controlling fluid temperature for performing precise adjustment of the fluid temperature by rapidly adjusting to prescribed temperature to an abrupt temperature change of fluid circulating in the drive system of an internal combustion engine and holding the fluid at fixed temperature.;SOLUTION: The device includes: a fluid channel 22 having an introduction passage 11 for introducing fluid from the drive system 6 having the internal combustion engine, a circulation passage 12 where fluid introduced from the introduction passage 11 is circulated, and an outlet passage 13 for leading fluid circulating through the circulation passage 12 to the drive system 6; a heat exchanger 16 for decreasing temperature of fluid introduced from the drive system 6; a first heater 17 for adjusting the temperature of fluid circulated in the circulation passage 12 to temperature near control temperature; and a second heater 19 for adjusting the temperature of fluid temperature-adjusted by the first heater 17 in the outlet passage 13 so that the temperature of fluid in the drive system 6 reaches control temperature.;COPYRIGHT: (C)2010,JPO&INPIT