GRAY OCEAN
Solar Powered Vent for Automobile.
When you park your car in the sun it gets hot. The sunlight coming through your windows heats up the air and seating to uncomfortable levels. When you are driving, the windows are down, the air conditioner is on and all is good. But getting into a parked car can be hell.
Why not use the same energy that heats the car to cool it down? Now it would take a thirty foot by thirty foot solar panel to run your cars air conditioner, so that is not really an option. A small solar panel could, however, run a small fan. This fan would vent the hot air in the car and cause cooler outside air to be drawn in.
Daily interior temperature plot of an unused automobile. This represents a typical sunny day in San Diego, CA with a high temperature of 70 degrees (F) at 1:40 PM. The windows of the car were cracked an inch and there was a 7 (kt) breeze. Even with the windows cracked, the inside of the car gets hot!
Cross section of vent showing motor, housing, and impeller.
As built motor and impeller.
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