# US 12,594,444 B2 · Mobile fire-fighting assembly

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- Number: US 12,594,444 B2
- Document ID: US12594444B2
- Status: Granted
- Kind: B2
- Application number: 18/194,083
- Filed: 2023-03-31
- Published: 2024-09-19
- Granted: 2026-04-07
- Earliest claimed: 2023-03-16
- Assignees: Vest Aero Tech AS
- Applicants: Vest Aero Tech AS
- Inventors: Jacob Furnes Haram
- Web page: https://patentgrep.com/patent/US12594444B2

## CPC

- A62C 3/0228: {with delivery of fire extinguishing material by air or aircraft (fire-fighting aircraft B64D1/16)}
- A62C 3/0242: {by spraying extinguishants from the aircraft (spraying from aircraft in general B64D1/16)}
- A62C 27/00: Fire-fighting land vehicles
- A62C 33/04: Supports or clamps for fire hoses
- B65H 75/4486: {Electric motors}
- B65H 2701/33: Hollow or hose-like material
- 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)
- B65H: HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES

## Abstract

Mobile fire-fighting assembly suitable for movement with an aircraft, wherein the mobile fire-fighting assembly comprises a fire extinguisher unit and water supply unit detachably arranged to each other by means of a suitable connection assembly enabling movement of the fire extinguisher unit and water supply unit together as one unit and separately.

## Claims

### Claim 1

A mobile fire-fighting assembly (100) configured for movement with an aircraft, comprising:
a fire extinguisher unit (200) having a support structure (210), at least one motorized hose reel (220) accommodating a hose (223) and a controllable nozzle unit (230) arranged to a first end of the hose (223); and
a water supply unit (300) having at least one water pump (320) connected to a second end of the hose (223), wherein
the water supply unit (300) is configured to be detachably arranged to the support structure (210) thereby enabling (i) the fire extinguisher unit (200) and water supply unit (300) to be movable together as one unit when the water supply unit (300) is attached to the support structure (210), and (ii) the fire extinguisher unit (200) to be movable separate from the water supply unit (300) when the water supply unit (300) is detached from the support structure (210) and deployed at a water source, and
the water supply unit (300) is configured to supply water to the fire extinguisher unit (200) when the water supply unit (300) is detached and separated from the support structure (210) and deployed at the water source remote from the fire extinguisher unit (200).

### Claim 2 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the at least one motorized hose reel (220) is arranged horizontally or vertically rotatable to the support structure (210) and arranged to at least one controllable motor (222) for controlled rotation thereof for reeling the hose (223) in or out.

### Claim 3 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the controllable nozzle unit (230) comprises at least one controllable nozzle (231) arranged to the support structure (210) via at least one controllable orientation unit (232) that enables control of vertical and horizontal position of the at least one nozzle (231).

### Claim 4 (depends on 3)

The mobile fire-fighting assembly (100) according to claim 3, wherein the fire extinguisher unit (200) comprises a control unit (240) provided with a wireless communication device (241) that enables wireless communication with the fire extinguisher unit (200).

### Claim 5 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the fire extinguisher unit (200) comprises a control unit (240) provided with a wireless communication device (241) that enables wireless communication with the fire extinguisher unit (200).

### Claim 6 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the fire extinguisher unit (200) is provided with at least one sensor (242) to register or measure a length of the hose (223) that is reeled out from the at least one hose reel (220) or a length of the hose (223) present on the at least one hose reel (220) at any time.

### Claim 7 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the fire extinguisher unit (200) is provided with at least one sensor (242) observing the surroundings.

### Claim 8 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the fire extinguisher unit (200) is provided with legs (211) and at least one of the leg (211) is adjustable.

### Claim 9 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the fire extinguisher unit (200) comprises an inertial, motion or level sensor (243) reading the position of the fire extinguisher unit (200).

### Claim 10 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the fire extinguisher unit (200) comprises a lifting assembly (500) that enables an aircraft to move the mobile fire-fighting assembly (100) as one unit and to move the fire extinguisher unit (200) as a separate unit.

### Claim 11 (depends on 2)

The mobile fire-fighting assembly (100) according to claim 2, wherein the fire extinguisher unit (200) comprises a lifting assembly (500) that enables an aircraft to move the mobile fire-fighting assembly (100) as one unit and to move the fire extinguisher unit (200) as a separate unit.

### Claim 12 (depends on 5)

The mobile fire-fighting assembly (100) according to claim 5, wherein the fire extinguisher unit (200) comprises a lifting assembly (500) that enables an aircraft to move the mobile fire-fighting assembly (100) as one unit and to move the fire extinguisher unit (200) as a separate unit.

### Claim 13 (depends on 12)

The mobile fire-fighting assembly (100) according to claim 12, wherein the fire extinguisher unit (200) comprises a control unit (240) that includes one or both of means and software configured to control the at least one motor (222) for controlling the at least one motorized hose reel (220) to reel the hose (223) in or out.

### Claim 14 (depends on 2)

The mobile fire-fighting assembly (100) according to claim 2, wherein the fire extinguisher unit (200) comprises a control unit (240) that includes one or both of means and software configured to control the at least one motor (222) for controlling the at least one motorized hose reel (220) to reel the hose (223) in or out.

### Claim 15 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the water supply unit (300) comprises at least one controllable motor (321) driving the at least one water pump (320).

### Claim 16 (depends on 15)

The mobile fire-fighting assembly (100) according to claim 15, wherein the water supply unit (300) further comprising one or both of an energy storage or fuel tank (322) arranged to the at least one motor (321).

### Claim 17 (depends on 15)

The mobile fire-fighting assembly (100) according to claim 15, wherein the water supply unit (300) comprises a housing (310) with positive buoyancy configured to float in water and that accommodates the at least one water pump (320) and at least one motor (321).

### Claim 18 (depends on 16)

The mobile fire-fighting assembly (100) according to claim 16, wherein the water supply unit (300) comprises a housing (310) with positive buoyancy configured to float in water and that accommodates the at least one water pump (320), at least one motor (321) and the one or both of the energy storage or fuel tank (322).

### Claim 19 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the water supply unit (300) is provided with an anti-drifting system (330) configured to maintain the water supply unit (300) in a determined position in a water source.

### Claim 20 (depends on 1)

The mobile fire-fighting assembly (100) according to claim 1, wherein the water supply unit (300) is provided with a control unit (340) provided with a wireless communication device (341) that enables wireless communication with the water supply unit (300).
