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https://patents.google.com/patent/US7413145B2/en
Aerial delivery system
Abstract
A method and apparatus for aerial fire suppression utilizing a potable fire retardant chemical dispensing system, readily adaptable, without extensive aircraft modification, to various makes of aircraft, for dispensing current types of forest and range fire fighting chemicals. The aerial delivery system is self contained and reusable. It enables cargo/utility aircraft to carry and dump a load, under control. The aerial delivery system is capable of attachment at the wing box, pressurized delivery from the nozzles, and nozzles directed straight downward.
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Classifications
A62C3/0228 Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
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US7413145B2
US Grant
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Inventor
John C. Hale
Christopher B. Harris
Daniel A. Kottman
Current Assignee
Global Supertanker LLC
Evergreen International Aviation Inc
Original Assignee
Evergreen International Aviation Inc
Priority date
2003-06-11
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Family: US (2)EP (2)CA (2)WO (1)
Date App/Pub Number Status
2004-06-14 US10867571 Active
2005-01-27 US20050017131A1 Application
2008-08-19 US7413145B2 Grant
2008 US12182505 Active
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Patent citations (27)
Cited by (23)
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Description
BACKGROUND OF THE INVENTION
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Field of the Invention
The present invention is directed to an aerial delivery system. In particular, the invention is directed to an aerial delivery system capable of ejecting material in a downward direction from the aircraft.
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Description of the Related Art
Aerial delivery systems are used to carry and dump, under control, loads of water, or other fire-retardants, onto a forest fire beneath. In addition, other aerial delivery systems are used to carry and dump fluids or other materials on to objects and/or the ground below the aircraft such as for decontamination of an area due to a chemical spill or attack, oil spills, or for soil stabilization. Unfortunately, conventional aerial delivery systems lack capability in delivering desired fluids or other materials to the ground in sufficiently high densities and/or require undesirably low flying altitudes for delivery.
BRIEF SUMMARY OF THE INVENTION
The present invention is directed towards an aerial delivery system and a method of using the aerial delivery system.
In one embodiment, the aerial delivery system is capable of association with an aircraft and includes an aboard area and an outer area of the aircraft; an air accumulator associated with a plurality of tanks, the air accumulator located in the aboard area of the aircraft, the tanks capable of containing a material and/or fluid, the air accumulator capable of propelling the material and/or fluid contained in the tanks; a dump manifold associated with the tanks; and a dump valve, the dump valve associated with the dump manifold, wherein the fluid and/or material is directed by pressure in the accumulator and is propelled through the dump valve downward from the aboard area of the aircraft.
In one aspect of the aerial delivery system, the fluid and/or material is selected from at least one of a water, gel, powder, decontamination compound, weather modification compound, oil spill treatment compound, and a firefighting compound. In another aspect, the aerial delivery system is capable of association with an airplane, helicopter, and balloon.
In another embodiment, the aerial delivery system is capable of use with an aircraft having an air accumulator, the air accumulator capable of holding high-pressure air; a high pressure line; at least a material holding tank connected to the air accumulator by the high pressure line, the material holding tank having a forward end and an aft end; a high pressure regulator associated with the air accumulator, wherein the high pressure regulator allows the air accumulator to hold large amounts of air at high pressures so low and constant air pressure can be delivered to the material holding tank; at least a separation valve associated with the aft end of the material holding tank; a dump manifold associated with the material holding tank; and a dump outlet associated with the dump manifold, the dump outlets located behind the aircraft wing box, wherein the fluid held within the material holding tank is capable of exiting the system from the dump outlets under propulsion from high pressure air from the air accumulator.