	US 11,897,616 B2
	Dry ice draw through galley cooling reference to related applications
Bryce A. Vandyke, Snohomish, WA (US); Marcus K. Richardson, Bothell, WA (US); and Chao-Hsin Lin, Redmond, WA (US)
Filed by The Boeing Company, Chicago, IL (US)
Filed on Aug. 25, 2022, as Appl. No. 17/895,725.
Application 17/895,725 is a division of application No. 16/519,658, filed on Jul. 23, 2019, granted, now 11,440,662.
Application 16/519,658 is a continuation of application No. 14/202,366, filed on Mar. 10, 2014, granted, now 10,407,173, issued on Sep. 10, 2019.
Prior Publication US 2023/0012539 A1, Jan. 19, 2023
Int. Cl. B64D 11/04 (2006.01); A47B 31/02 (2006.01); B64D 11/00 (2006.01); F25D 3/12 (2006.01)

CPC B64D 11/04 (2013.01) [A47B 31/02 (2013.01); B64D 11/0007 (2013.01); F25D 3/125 (2013.01); B62B 2204/04 (2013.01)]

20 Claims

1. 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 dry ice compartment to form a cold CO₂sublimate; introducing the cold CO₂sublimate into a refrigeration compartment in the galley cart, the refrigeration compartment in flow communication with the dry ice compartment and located to receive downward gravity flow of the cold CO₂sublimate for cooling the refrigeration compartment; and venting the cold CO2 sublimate to a ventilation system by interconnection of the refrigeration compartment to a galley vent upon docking of the galley cart.