Johnson Matthey Public Limited Company

Luke Alan Luisman

Graham Reed

Alvaro Amieiro-Fonseca

Yolanda Van Lishout

The present invention relates to systems and methods for controlling the atmosphere in the cabin () of a vehicle. The system comprises a carbon dioxide removal conduit () comprising a regenerable carbon dioxide removal chamber () containing a carbon dioxide sorbent material and a regeneration circuit () arranged to expel the desorbed carbon dioxide at a location exterior () of the cabin () The system is operable to maintain a carbon dioxide level below 1000 ppm in the passenger cabin for a period of at least 5 minutes while restricting the flow of air from outside the vehicle into the passenger cabin to 10 L/s or less.

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Reading, United Kingdom

Luke Alan Luisman