Patent ID: 9045222
Filing Date: 2015-06-02
Classification: B64C,B64D

Abstract:
1. An external airbag for an aircraft, the external airbag comprising: an inflatable bladder configured to be inflated exterior of the aircraft; a vent integrated with and coupled to the inflatable bladder, the vent having a vent opening configured to release pressure within the inflatable bladder in order to dissipate energy; and a vent support coupled to the inflatable bladder and located near the vent, the vent support being configured to prevent deformation of the vent opening due to hoop stresses as pressure within the inflatable bladder increases; wherein the vent support is rigid and is annular; and wherein the vent support includes an upper portion and a lower portion; wherein the upper portion and the lower portion of the vent support are hinged together around the vent.