Split-cycle engine prototype

  • 08-Mar-2010 05:09 EST

The naturally aspirated Scuderi base engine prototype divides the four strokes of a standard Otto cycle engine over a paired combination of one intake/compression cylinder and one power/exhaust cylinder. By firing after top-dead center, the engine produces efficient, clean-burning combustion with one cylinder and compressed air with the other, offering 80% less NOx than a conventional engine, claim company engineers. The two cylinders perform their respective functions once per crankshaft revolution, improving torque and power. The engine is approximately 5-10% more efficient than a conventional internal-combustion engine, according to the company. A turbocharged version offering claimed 15-20% greater efficiency also is in development. By adding an air tank, the Scuderi engine can be converted to a hybrid system that captures and stores waste energy in the form of compressed air; it operates around 130 bar (1885 psi).

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