Patent ID: 11858641
Assignee: THE BOEING COMPANY
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 0:
1. An aircraft comprising:
a fuselage defining a cabin region and a crown region, the crown region separated from the cabin region by a cabin ceiling structure;
a mixer configured to generate a mixed airflow;
a duct disposed within the crown region, wherein the duct receives the mixed airflow;
one or more drying air vents in the crown region and coupled to the duct, the one or more drying air vents configured to receive a first portion of the mixed airflow from the duct;
one or more cabin vents disposed within the cabin region and coupled to the duct, the one or more cabin vents configured to receive a second portion of the mixed airflow from the duct; and
one or more valves coupled to the duct and configured to, in a first valve position, route the first portion of the mixed airflow within the duct through the one or more drying air vents into the crown region and the second portion of the mixed airflow through the one or more cabin vents into the cabin region, and configured to, in a second valve position, route the second portion of the mixed airflow within the duct through the one or more cabin vents into the cabin region and prevent routing the first portion of the mixed airflow through the one or more drying air vents into the crown region.