Patent ID: 11897616
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B  A  F | IPC A  B  F

Claim 9:
10. A method for dry ice cooling of a galley cart, the method comprising: removably docking the galley cart into a cart receiving area in a galley; sublimating dry ice in a first compartment configured to contain CO2 sublimate as a primary working fluid; employing the CO2 sublimate in a refrigeration compartment in flow communication with the first compartment and located to receive downward gravity flow of the CO2 sublimate as the primary working fluid providing refrigeration for food in the refrigeration compartment; venting the CO2 sublimate to a separate duct system in flow communication between a vent and a second system of a vehicle, said separate duct system configured for flow of the CO2 sublimate as an alternative processing fluid or working fluid in the second system upon docking of the galley cart; and employing the CO2 sublimate from the vent as an alternative processing fluid or working fluid in the second system.