	US 11,870,104 B2
	Crash safe battery pack for mediating risks of thermal runaway during impact
Sean Richard Donovan, Richmond, VT (US); Sam Wagner, Westford, VT (US); and Peter Adam Gottlieb, Wayland, MA (US)
Assigned to BETA AIR, LLC, South Burlington, VT (US)
Filed by BETA AIR, LLC, South Burlington, VT (US)
Filed on Jun. 30, 2022, as Appl. No. 17/854,812.
Application 17/854,812 is a continuation of application No. 17/319,182, filed on May 13, 2021, granted, now 11,394,092.
Prior Publication US 2022/0367991 A1, Nov. 17, 2022
Int. Cl. H01M 50/579 (2021.01); H01M 50/249 (2021.01); H01M 50/242 (2021.01); H01M 50/209 (2021.01)

CPC H01M 50/579 (2021.01) [H01M 50/209 (2021.01); H01M 50/242 (2021.01); H01M 50/249 (2021.01); H01M 2220/20 (2013.01)]

13 Claims

1. An electric aircraft with a crash safe battery pack, the electric aircraft comprising:

a battery pack comprising:

a case having a battery storage zone and a crush zone;

a first battery module located within the battery storage zone of the case and mounted to the case;

a second battery module located within the battery storage zone of the case and mounted to the case; and

a frangible connection located substantially within the crush zone between the first battery module and the second battery modules, the frangible connection configured to:

provide electrical conduction between the first battery module and the second battery module; and

break under a predetermined load, which is a function of a motion of the first battery module.