Enhanced aerial delivery system
An enhanced aerial delivery system addresses issues raised when large quantities of fluids, powders, and other agent materials are to be transported in and aerially dispersed by aircraft. Some aspects include positioning and securing of tanks aboard the aircraft to facilitate management and safety of the tanks and aircraft. Other aspects address coupling of the tanks and associated piping to lessen structural effects upon the aircraft. Further aspects deal with channeling, containing, and dumping stray agent materials that have escaped from the agent tanks on board the aircraft.
1. A system to be transported on an aircraft, the aircraft having an interior, an exterior, and a bottom, the system comprising:
an agent tank configured to hold material;
an outlet end providing passage from the interior to the exterior of the aircraft through the bottom of the aircraft; and
a member movably coupled to the outlet end, the member having a closed position and an open position, the member configured to be moved from the closed position to the open position through buoyant contact with a portion of the material released from the agent tank into the interior of the aircraft, in the closed position the member being oriented to block access to the outlet end from within the aircraft, and in the open position the member being oriented to allow access to the outlet end from within the aircraft, whereby the material located substantially adjacent the bottom of the aircraft may exit the aircraft through the outlet end.
2. The system of claim 1 wherein the member includes a shutter with a density less than the material so as to be buoyant relative to the material.
3. The system of claim 1 wherein the member includes a door and a float having a combined density, the combined density of the door and the float being less than the material so as to be buoyant relative to the material.
4. The system of claim 1 further including at least one barrier positioned to direct the portion of the material to pool adjacent to the member.
5. The system of claim 1 further including a pin and a track, the pin extending from the member and the track positioned to receive the pin to guide movement of the member between the open and closed positions.
6. The system of claim 5 wherein track is shaped to direct movement by the pin in a linear direction.
7. A system to be transported on an aircraft, the aircraft having an interior, an exterior, an upper deck, a lower deck, and a bottom, the system comprising:
an agent tank configured to hold material;
an outlet tube coupled to the agent tank to receive a portion of the material from the agent tank, the outlet tube extending through the bottom of the aircraft and having a tube end to direct out of the aircraft through the tube end the portion of the material received by the outlet tube from the agent tank, the outlet tube having a tube wall with a tube wall opening in communication with the interior of the aircraft outside of the outlet tube; and
a member movably coupled to the outlet tube to move between a closed position closing the tube wall opening and an open position opening the tube wall opening, the member configured to be moved between the closed position to the open position through contact with a portion of the material released from the agent tank, and located within the interior of the aircraft and outside of the outlet tube, in the closed position the member being configured to inhibit movement of the material portion through the tube wall opening to the outlet end from within the aircraft, and in the open position the member being configured to allow movement of the material portion through the tube wall opening to the outlet end from within the aircraft and outside of the outlet tube, whereby the material portion may exit the aircraft through the outlet end when the member is in the open position.
8. The system of claim 7 further including an outlet valve and wherein the outlet tube is coupled to the agent tank through the outlet valve to control release of the material from the agent tank into the outlet tube.
9. The system of claim 7 further including a stop circumferentially extending at least partially about the outlet tube and positioned to prevent travel of the member beyond a predetermined vertical height.