Airbus Operations Gmbh

Timothy Leigh

Joseph K-w Lam

Franklin George Tichborne

Richard Haskins

Brian Hughes

A method of conditioning oxygen depleted air (ODA) exhausted from a fuel cell comprising the steps of; taking fuel from an aircraft fuel tank collector cell, delivering said fuel to a rear mounted engine via a primary heat exchanger, taking exhaust ODA from a fuel cell, passing the ODA through the primary heat exchanger in the opposite direction to the fuel, such that the fuel acts as a heat sink for the ODA, to cool the ODA, passing the ODA through a dryer, to dry the ODA and using the cooled, dried ODA to inert fuel in the aircraft fuel tank.

Conditioning system for fuel cell exhaust

An aircraft comprising a Rubens' tube for distributing gas within the aircraft. The Rubens' tube comprises a tube with a plurality of outlets; an inlet for feeding the gas into the tube; and a loudspeaker arranged to set up a standing acoustic wave within the tube. Typically the Rubens' tube is arranged to feed inert gas into a fuel tank of the aircraft.

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Bristol, United Kingdom

Timothy Leigh