| 摘要 |
PURPOSE: An indoor humidity controlling device is provided to make indoors of vehicle more comfortable by supplying steam to dry hot air during operating of heater in winter time, and to decrease fatigue of a driver with preventing catching a cold and to protect a patient who catches a cold. CONSTITUTION: An indoor humidity controlling thermostat tube(21) in which gas sensitive to temperature is filled and disposed to face-contact with an engine cooling water pipe(14); a cylinder(23) inside which a piston(22) is installed and connected to link with the thermostat tube; a steam supply tube(24) coupled with the cylinder; an expansion valve(25) containing function of injection nozzle arranged at an end of the steam supply tube; a reservoir tank(26) supplying water for creating steam; mono-directional valves(27,28) mounted each at entrance side of the steam supply tube and the reservoir tank; a safety instrument arranged between the end portion of the supply tube and the reservoir tank. During heater operation in winter, steam supply to dry hot air enables indoors of vehicle more comfortable and reduces fatigue of a driver while preventing a cold and protecting a patient.
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