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US 11,999,494 B2Granted
Multi-stage evacuation systems and methods for aircraft
AssigneeThe Boeing Company
InventorsAngela Noelani Cruz, Mark Edward King, Steven Philip McDonald
Life of this patent
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Abstract
An emergency evacuation system is configured to be stored in a compartment below an exit door of an aircraft. The emergency evacuation system includes a first floatation device including an internal inflator, and a second floatation device including an open inflation system. The second floatation device is coupled to the first floatation device.
Claims20
An emergency evacuation system configured to be stored in a compartment below an exit door of a vehicle, the emergency evacuation system comprising:
- a first floatation device including an internal inflator;
- and
- a second floatation device including an open inflation system, wherein the second floatation device is coupled to the first floatation device,
- wherein, during deployment, the internal inflator is configured to inflate the first floatation device to deploy the emergency evacuation system outside of the compartment, and wherein the first floatation device in an inflated state is configured to dispose the open inflation system above water.
1 more element
A method, comprising:
- storing an emergency evacuation system in a compartment below an exit door of a vehicle;
- and
- deploying the emergency evacuation system from the compartment, wherein said deploying comprises:
- inflating, by an internal inflator, a first floatation device to deploy the emergency evacuation system outside of the compartment;
- and
- disposing, by the first floatation device in an inflated state, an open inflation system of a second floatation device above water.
3 more elements
An aircraft comprising:
- a fuselage having an exit door;
- and
- an emergency evacuation system configured to be stored in a compartment below or in proximity to the exit door, the emergency evacuation system comprising:
- a first floatation device including an internal inflator;
- and
- a second floatation device including an open inflation system, wherein the second floatation device is coupled to the first floatation device,
- wherein, during deployment, the internal inflator is configured to inflate the first floatation device to deploy the emergency evacuation system outside of the compartment, and wherein the first floatation device in an inflated state is configured to dispose the open inflation system above water.
4 more elements
Dependencies are inferred from the claim text.