VEHICLE INTERIOR MICROCLIMATE CONTROL SYSTEM Russian patent published in 2003 - IPC

FIELD: transport engineering. SUBSTANCE: proposed system includes two heat carrier circulation circuits, hydraulic main lines, shutoff members, circulating pump, air exchanger, interior heater fan, interior temperature setting unit and interior temperature transmitter. Novelty is that system is furnished additionally with multivibrator with adjustable on-off time ratio, multivibrator with temperature controlled on-off time ratio, logic unit, interior temperature comparator, comparator unit of air temperature getting from heater fan, electromagnetic valve, electromagnetic valve and circulating pump control switch, heater fan pulse- width controller switch and heater fan air temperature transmitter coupled in designed manner. EFFECT: improved comfort in vehicle interior owing to uniform heating and possibility of smooth adjustment of heater fan speed. 3 dwg