The Weather Eye is the trade name for the fresh air system designed by Nash Motors for heating the car's passenger compartment, cooling and ventilation. The Nash "All-Weather Eye" is the first car air conditioning system for the mass market. The use of the Weather Eye name for heating passenger cars and air conditioning systems continues in American Motors (AMC) vehicles.
The principles of Nash Weather Eye system design are now used by almost every motor vehicle.
Video Weather Eye
Air-conditioned System
In 1938, Nash Motors developed the first car heater that was warmed by hot engine coolant water, and used fresh air. This "air-conditioned air system" is characterized by an external air receiver mounted by a cowl that drains fresh air through a heating core that uses a heat engine coolant for a heat source. Nash's system also pioneered the use of a little pressure inside the passenger compartment to eliminate cold outside air infiltration during the winter. These are vents and heaters filtered by fans that are driven for passengers, not the modern meaning of "air conditioning" systems. Nash was also the first car to use a disposable filter in the air intake to clear the incoming air.
Nash's system was a major advance compared to what was used up to that point: heating with air recirculation in the car.
Simultaneous development, Evanair-Conditioner was offered by Hupmobile on their 1938 and 1939 model cars.
Maps Weather Eye
Weather Eye
In 1939, Nash added a thermostat to his system, making it the first thermostatic car's climate control system. The Weather Eye "is the first really good heating and ventilation system." In addition, defogers (defrosters) are combined with the introduction of 3900 series cars that year. The Nash HVAC system was designed by Nils Eric Wahlberg and continues to be the basis for use in modern cars. Nash enters the first automatic temperature control for the air side of the heating system with a thermostat that detects incoming outer air temperature, heating discharge, and the interior of the car; so a change in one of these three air temperatures results in an automatic adjustment to keep the passengers comfortable. Nash Air Conditioning System Heater is now marketed as "Weather Eye" and the consumer sales literature explains that the "mechanical eye" of the temperature controller observes the weather, that's the name.
All-Weather Eye
In 1954, Nash-Kelvinator took advantage of his cooling experience to introduce a compact and affordable single-unit industrial heating and cooling system for all Nash Ambassador, Statesman and Rambler models. This is a true vapor compression refrigeration system with compact under hood and cowl area installation. Combining heating, cooling, and ventilation, the new air conditioning system for Nash's car is called "All-Weather Eye".
Nash's 1954 model was the first American car to have a fully integrated, fully integrated front-end heating, ventilation and air conditioning system. It is the first mass-market system with controls on dashboards and electric powered couplings. This "first true cooling air cooling system" for cars is also compact and easy to service with all its components mounted under the hood or in the cowl area. With a single thermostatic control, the air cooling option of Nash's passenger compartment is described as "a good and very cheap system".
Inserted into the engine bay, the combined heating and cooling system has cool air for passengers entering through vents mounted on the dashboard. Nash's exclusive "exceptional advancement" is not just a "sophisticated" integrated system, but also the price of US $ 345 is significantly lower than all other systems. An optional air conditioning system offered by Oldsmobile for $ 199 more and weighs twice that of the integrated Nash unit which only adds  £ 133 (60 kg).
A feature is a "desert only" setting on the A/C thermostat control, a position that usually runs the compressor continuously. In a humid environment, the evaporator will freeze from condensation accumulation if the compressor is operating constantly, which will eventually block airflow. Other temperature setting is the compressor cycle to prevent this problem. Frozen does not matter in dry environments like deserts, and this arrangement provides a continuously cooled air flow into the passenger compartment.
American Motors
First as optional equipment and then as a standard feature, the Weather Eye system was continued by AMC after the merger of Nash-Kelvinator Corporation and Hudson Motor Car Company. The smaller version of the famous Weather-Eye heater of the AMC is included in the Metropolitan. An improved version of the Weather-Eye heater, fresh air vents is standard on every 1967 AMC Ambassador. The following year, all the Ambassadors models came with air conditioning as standard equipment, a feature that at that time still incurred extra costs even on Cadillac, Lincoln and Imperial models, as the A/C included in the base price of the car is only offered by Rolls-Royce and some other expensive European cars.
References
Source of the article : Wikipedia
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