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Compressed air system with a PCM heat exchanger. [1] [2] Diagram of a compressed air system with a PCM heat exchanger. A compressed-air car is a compressed-air vehicle powered by pressure vessels filled with compressed air. It is propelled by the release and expansion of the air within a motor adapted to compressed air.
In 2008, a compressed air and natural gas powered vehicle designed by engineering students at Deakin University in Australia was the joint winner of the Ford Motor Company T2 competition to produce a car with a 200 km (120 mi) range and an estimated cost of less than $7,000.
Eolo is the first compressed air-powered car. It was invented by Guy Nègre. Motor Development International (MDI) licensed the patent. It was unveiled during the 2001 Bologna Motor Show car and bike fair. An attempt to put it into production failed in 2003. The engine was sold as a power generator with zero emissions.
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Catecar has now abandoned compressed air and has built prototype EVs. MDI had also reached an agreement with Tata Motors, which was to produce and sell OneCAT cars in India. Tata Motors announced in May 2012 that they had assessed the design passing phase 1, the "proof of the technical concept" towards full production for the Indian market.
Compressed-air energy storage can also be employed on a smaller scale, such as exploited by air cars and air-driven locomotives, and can use high-strength (e.g., carbon-fiber) air-storage tanks. In order to retain the energy stored in compressed air, this tank should be thermally isolated from the environment; otherwise, the energy stored will ...
The air engine is an emission-free piston engine that uses compressed air as a source of energy. The first compressed air car was invented by a French engineer named Guy Nègre. The expansion of compressed air may be used to drive the pistons in a modified piston engine.
Pneumatic (compressed air) systems are rarely found in passenger cars. Larger vehicles often use air brakes and the pressure may be used to drive other systems. Windshield wipers, automatic gear boxes, and other common hydraulic or vacuum powered accessories are often adapted. On buses where the engine is often at the rear of the vehicle ...