FIELD: transport engineering.
SUBSTANCE: invention relates to microclimate control systems of vehicle using, as heat carrier, cooling liquid of vehicle engine. Saloon heater operation control system contains system of pipelines of cooling liquid circulating along large and small cooling circuits. Heater radiator and electron-magnetic valve of heater radiator are placed in small cooling liquid circulation circuit. System is furnished also with control circuit including temperature setter, air temperature transmitter and electromagnetic valve control power switch. Heater operation control system of automobile saloon includes additionally first and second multivibrators, current controlled adder, circuit to convert temperature difference into control current, capacitor, diode and voltage stabilizer.
EFFECT: reduced cost, simplified design of system.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CAR INTERIOR HEATING AND VENTILATION SYSTEM | 2004 |
|
RU2270104C1 |
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|
SU1641656A2 |
| CAR INTERIOR HEATING AND VENTILATING SYSTEM | 2003 |
|
RU2236956C1 |
