# US 9,750,963 B2 · Advanced airborne fire fighting system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,750,963 B2 - Document ID: US9750963B2 - Status: Granted - Kind: B2 - Application number: 12/684,292 - Filed: 2010-01-08 - Published: 2011-07-14 - Granted: 2017-09-05 - Earliest claimed: 2009-01-08 - Assignees: United Aeronautical Corp. - Applicants: Donald M. Nelson - Inventors: Donald M. Nelson - Web page: https://patentgrep.com/patent/US9750963B2 ## CPC - A62C 3/0228: {with delivery of fire extinguishing material by air or aircraft (fire-fighting aircraft B64D1/16)} - B64D 1/16: Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting (jettisoning fuel B64D37/26) - A62C: FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B17/10) - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT ## Abstract A system for dispersing liquid over a desired location, the system comprising a pressurized tank having a main body, an inlet in fluid communication with the main body for introducing liquid to the main body, an outlet in fluid communication with the main body for dispersing the liquid, and an air inlet for charging air under pressure into the main body, where the improvement comprises providing a diffuser for slowing down pressurized air entering the main body from the inlet. ## Claims ### Claim 1 A system for dispersing liquid over a desired location, comprising a pressurized storage tank having a main body, an inlet in fluid communication with said main body for introducing liquid to said main body, a first outlet in fluid communication with said main body for dispersing said liquid, a second outlet in fluid communication with said main body for dispersing said liquid, an air inlet for charging air under pressure into said main body, and a diffuser for slowing down pressurized air entering said main body from said air inlet; wherein said storage tank is housed within a fuselage of a host aircraft. ### Claim 2 (depends on 1) The system of claim 1, wherein said diffuser comprises a base, generally cylindrical side walls, and an opening opposite said base. ### Claim 3 (depends on 1) The system of claim 1, wherein said storage tank is produced of corrosion-resistant material. ### Claim 4 (depends on 1) The system of claim 1, wherein said storage tank is produced of stainless steel. ### Claim 5 (depends on 1) The system of claim 1, further comprising a second outlet from said storage tank. ### Claim 6 (depends on 1) The system of claim 1, wherein further comprising an additive tank for input of additives. ### Claim 7 (depends on 1) The system of claim 1, further comprising a discharge pipe in fluid communication with said outlet, wherein said discharge pipe comprises a pintle nozzle, said pintle nozzle being capable of controlling the flow rate of discharge. ### Claim 8 (depends on 7) The system of claim 7, wherein said discharge pipe comprises an elbow for redirecting a subsequent portion of said pipe generally horizontal to said main body. ### Claim 9 (depends on 8) The system of claim 8, wherein said elbow is formed at an angle allowing positioning of said pintle horizontal to said main body. ### Claim 10 (depends on 8) The system of claim 8, wherein said discharge pipe is supported on said storage tank by struts. ### Claim 11 A system for dispersing liquid over a desired location, comprising a pressurized storage tank having a main body, an inlet in fluid communication with said main body for introducing liquid to said main body, a first outlet in fluid communication with said main body for dispersing said liquid, a second outlet in fluid communication with said main body for dispersing said liquid, an air inlet for charging air under pressure into said main body, and a diffuser for slowing down pressurized air entering said main body from said air inlet; wherein said pressurized tank is mounted on a pallet. ### Claim 12 (depends on 11) The system of claim 11, wherein said pallet is adapted to reversibly roll-on and roll-off of said host aircraft. ### Claim 13 (depends on 11) The system of claim 11, further comprising a control interface assembly affixed to an operator chair mounted to said pallet. ### Claim 14 (depends on 11) The system of claim 11, further comprising a compressor in pneumatic communication with said air inlet and a compressed air storage reservoir between said compressor and said storage tank. ### Claim 15 (depends on 11) The system of claim 11, further comprising an additive tank for input of additives. ### Claim 16 (depends on 11) The system of claim 11, wherein the system can be used for fighting fires. ### Claim 17 (depends on 11) The system of claim 11, wherein the system can be used for dispersing oil, pesticides, bio-remediation materials, defoliant materials, fertilizer materials, or herbicide materials. ### Claim 18 (depends on 11) The system of claim 11, wherein liquids can be dispensed at over 200 gallons per second. ### Claim 19 (depends on 11) The system of claim 11, wherein liquids can be dispensed at over 700 gallons per second. ### Claim 20 (depends on 11) The system of claim 11, further comprising a discharge pipe in fluid communication with said outlet, wherein said discharge pipe comprises a pintle nozzle, said pintle nozzle being capable of controlling the flow rate of discharge. ### Claim 21 A system for dispersing liquid over a desired location, comprising a pressurized storage tank having a main body, an inlet in fluid communication with said main body for introducing liquid to said main body, a first outlet in fluid communication with said main body for dispersing said liquid, a second outlet in fluid communication with said main body for dispersing said liquid, an air inlet for charging air under pressure into said main body, and a diffuser for slowing down pressurized air entering said main body from said air inlet; and further comprising an additive tank for input of additives. ### Claim 22 (depends on 21) The system of claim 21, wherein said diffuser comprises a base, generally cylindrical side walls, and an opening opposite said base. ### Claim 23 (depends on 21) The system of claim 21, further comprising a second outlet from said storage tank. ### Claim 24 (depends on 21) The system of claim 21, further comprising a compressor in pneumatic communication with said air inlet and a compressed air storage reservoir between said compressor and said storage tank. ### Claim 25 (depends on 21) The system of claim 21, wherein liquids can be dispensed at over 200 gallons per second. ### Claim 26 (depends on 21) The system of claim 21, wherein the system can be used for dispersing oil, pesticides, bio-remediation materials, defoliant materials, fertilizer materials, or herbicide materials. ### Claim 27 (depends on 21) The system of claim 21, further comprising a discharge pipe in fluid communication with said outlet, wherein said discharge pipe comprises a pintle nozzle, said pintle nozzle being capable of controlling the flow rate of discharge. ### Claim 28 (depends on 27) The system of claim 27, wherein said discharge pipe comprises an elbow for redirecting a subsequent portion of said pipe generally horizontal to said main body. ### Claim 29 (depends on 28) The system of claim 28, wherein said elbow is formed at an angle allowing positioning of said pintle horizontal to said main body. ### Claim 30 (depends on 28) The system of claim 28, wherein said discharge pipe is supported on said storage tank by struts. ### Claim 31 A system for dispersing liquid over a desired location, comprising a pressurized storage tank having a main body, an inlet in fluid communication with said main body for introducing liquid to said main body, a first outlet in fluid communication with said main body for dispersing said liquid, a second outlet in fluid communication with said main body for dispersing said liquid, an air inlet for charging air under pressure into said main body, and a diffuser for slowing down pressurized air entering said main body from said air inlet; wherein liquids can be dispensed at over 200 gallons per second. ### Claim 32 (depends on 31) The system of claim 31, wherein the system can be used for fighting fires. ### Claim 33 (depends on 31) The system of claim 31, wherein the system can be used for dispersing oil, pesticides, bio-remediation materials, defoliant materials, fertilizer materials, or herbicide material. ### Claim 34 (depends on 31) The system of claim 31 wherein said diffuser comprises a base, generally cylindrical side walls, and an opening opposite said base. ### Claim 35 (depends on 31) The system of claim 31, further comprising a second outlet from said storage tank. ### Claim 36 (depends on 31) The system of claim 31, further comprising an additive tank for input of additives. ### Claim 37 (depends on 31) The system of claim 31, wherein liquids can be dispensed at over 700 gallons per second. ### Claim 38 (depends on 31) The system of claim 31, further comprising a discharge pipe in fluid communication with said outlet, wherein said discharge pipe comprises a pintle nozzle, said pintle nozzle being capable of controlling the flow rate of discharge. ### Claim 39 (depends on 38) The system of claim 38, wherein said discharge pipe comprises an elbow for redirecting a subsequent portion of said pipe generally horizontal to said main body. ### Claim 40 (depends on 39) The system of claim 39, wherein said elbow is formed at an angle allowing positioning of said pintle horizontal to said main body. ### Claim 41 (depends on 39) The system of claim 39, wherein said discharge pipe is supported on said storage tank by struts.