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UTC OTIS UTC CLIMATE, CONTROLS & SECURITY PRATT & WHITNEY UTC AEROSPACE SYSTEMS

Fuel Tank Inerting Systems

Fuel tank inerting systems improve aircraft safety by reducing the volatility of the ullage, or air volume above the fuel, in an aircraft fuel tank.  As fuel is consumed during flight, the fuel level in the tank is lowered and the remaining oxygen in the ullage is replaced by non-flammable inert gas. Reducing oxygen in the fuel tank prevents combustion in the tank, even if a spark is present.

Advanced system technology includes state-of-the-art membrane gas separators, which reduces the oxygen concentration of the air entering the fuel tank. Also precise pressure, temperature and oxygen concentration controls optimize performance over the various phases of the flight envelope.

The system greatly enhances flight safety for commercial and military aircraft. Advances in technology and design enable systems that are highly reliable, lightweight and efficient.​