US 12,214,886 B2
Ventilation systems and methods for internal cabins of vehicles
Bradley J. Mitchell, Snohomish, WA (US); Ty Larsen, Everett, WA (US); Bryce Avery Vandyke, Snohomish, WA (US); Raymond Roeder, Everett, WA (US); and Trevor Milton Laib, Woodinville, WA (US)
Assigned to The Boeing Company, Chicago, IL (US)
Filed by THE BOEING COMPANY, Chicago, IL (US)
Filed on Jun. 30, 2021, as Appl. No. 17/363,071.
Claims priority of provisional application 63/071,466, filed on Aug. 28, 2020.
Prior Publication US 2022/0063815 A1, Mar. 3, 2022
Int. Cl. B64D 13/00 (2006.01)
CPC B64D 13/00 (2013.01) [B64D 2013/003 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A system comprising:
one or more distribution nozzles associated with a seat within an internal space;
a return air grill associated with the seat, wherein the return air grill is attached to seat track fittings of the seat, wherein the seat track fittings secure the seat to the floor within the internal space;
a side return air plenum secured to one or both of a sidewall or a floor of the internal space; and
an air conduit fluidly coupling the return air grill to the side return air plenum,
wherein airflow is directed from the one or more distribution nozzles toward and into the return air grill.