Working principle:
The warm air water valve is the warm air switch of the automobile heater. The working principle of the automobile heater is that the radiator in the heater is connected with the circulating water of the engine through the inlet and outlet pipes, and the water valve is a switch: the water valve is opened, the waterway is connected, the circulating water of the engine enters the radiator, and the fan blows heat into the cab. There is a stem in the center of the valve body. The part of the valve stem that extends out of the valve body is curved. The end of the bending part is sleeved with a connecting rod of a really hollow corrugated pipe assembly. The valve stem rotates with the change of vacuum degree of vacuum shoe.
Usage:
Turn on the air to adjust the temperature inside the car, eliminate the fog inside the car and let the frosted glass melt quickly. A thin layer of glycerin or alcohol on the windshield can prevent frosting on the glass surface in a short time. Dissolve dishwashing liquid in water, and then apply a clean cloth to the inside of the windshield. There will be a lot of bubbles. Wait a little longer, the foam will disappear by itself, and the detergent film left on the glass will effectively prevent the glass from frosting within 2 hours.
Million car purchase subsidy