US 12,226,554 B2
System and method for disinfecting an interior of an aircraft
Douglas D. Maben, Snohomish, WA (US)
Assigned to The Boeing Company, Arlington, VA (US)
Filed by The Boeing Company, Chicago, IL (US)
Filed on Apr. 28, 2021, as Appl. No. 17/242,572.
Claims priority of provisional application 63/041,466, filed on Jun. 19, 2020.
Prior Publication US 2021/0393840 A1, Dec. 23, 2021
Int. Cl. A61L 9/14 (2006.01); A61L 9/12 (2006.01); B64D 13/06 (2006.01)
CPC A61L 9/14 (2013.01) [A61L 9/122 (2013.01); B64D 13/06 (2013.01); A61L 2209/111 (2013.01); A61L 2209/134 (2013.01); A61L 2209/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An aircraft comprising:
an interior;
an environmental system comprising:
at least one air supply fan configured to supply air;
an air supply duct coupled to the at least one air supply fan and comprising a plurality of air supply outlets configured to distribute the air to the interior; and
a plurality of air circulation fans configured to circulate the air within the interior;
a plurality of air supply disinfectant dispensers located in the air supply duct and configured to dispense a disinfectant in the air flowing through the air supply duct and to the interior;
a disinfectant delivery device in fluid communication with the plurality of air supply disinfectant dispensers and configured to deliver the disinfectant to the plurality of air supply disinfectant dispensers; and
a disinfectant controller in communication with the disinfectant delivery device, the at least one air supply fan, and the plurality of air circulation fans, wherein the disinfectant controller is configured to:
selectively initiate or selectively terminate delivery of the disinfectant from the disinfectant delivery device to any one of the plurality of air supply disinfectant dispensers; and
selectively deactivate any one of the plurality of air circulation fans to prevent the disinfectant from entering an undesired area within the interior.