Fire Shelter and Method

Abstract

A shelter for protecting a person from fire and heat. The shelter has an inner door and an outer door and an outer door. The shelter has a roof, and front, right, left, and rear walls, each of which having a core made of a three-dimensional metal matrix embedded in insulation with concrete positioned about the walls and the roof. The concrete forming a fire- resistant seal with the base about the walls, and roof which protects the person in the chamber from fire and heat at least more than 700 degrees Fahrenheit for at least 4 hours. A method for protecting a person from fire and heat. A method for building a shelter for protecting a person from fire and heat external to the shelter. 20 25 20 17 26 11 M ar 2 02 5 A B S T R A C T O F T H E D I S C L O S U R E A s h e l t e r f o r p r o t e c t i n g a p e r s o n f r o m f i r e a n d h e a t . T h e s h e l t e r h a s a n i n n e r 2 0 2 5 2 0 1 7 2 6 1 1 M a r 2 0 2 5 d o o r a n d a n o u t e r d o o r a n d a n o u t e r d o o r . T h e s h e l t e r h a s a r o o f , a n d f r o n t , r i g h t , l e f t , a n d r e a r w a l l s , e a c h o f w h i c h h a v i n g a c o r e m a d e o f a t h r e e - d i m e n s i o n a l m e t a l m a t r i x e m b e d d e d i n i n s u l a t i o n w i t h c o n c r e t e p o s i t i o n e d a b o u t t h e w a l l s a n d t h e r o o f . T h e c o n c r e t e f o r m i n g a f i r e - r e s i s t a n t s e a l w i t h t h e b a s e a b o u t t h e w a l l s , a n d r o o f w h i c h p r o t e c t s t h e p e r s o n i n t h e c h a m b e r f r o m f i r e a n d h e a t a t l e a s t m o r e t h a n 7 0 0 d e g r e e s F a h r e n h e i t f o r a t l e a s t 4 h o u r s . A m e t h o d f o r p r o t e c t i n g a p e r s o n f r o m f i r e a n d h e a t . A m e t h o d f o r b u i l d i n g a s h e l t e r f o r p r o t e c t i n g a p e r s o n f r o m f i r e a n d h e a t e x t e r n a l t o t h e s h e l t e r . A B S T R A C T O F T H E D I S C L O S U R E 2 0 2 5 2 0 1 7 2 6 1 1 M a r 2 0 2 5 FIG.1 22 10 16 14 34 6666 64 64 FIG.1 20 25 20 17 26 11 M ar 2 02 5 1 0 2 2 1 6 1 4 3 4 6 6 6 6 6 4 6 4 F I G . 1 1 0 1 6 6 6 6 6 6 4 6 4

Claims

1. A shelter for protecting a person from fire and heat external to the shelter comprising:a base;a front wall extending up from the base;a right wall extending up from the base and alongside the front wall;a left wall extending up from the base and alongside the front wall;a rear wall extending up from the base and alongside the front wall and the left wall and opposing the right wall;a roof atop the front wall, the right wall, the left wall and the rear wall which together define a protected chamber from fire; the roof, the front wall, the right wall and the left wall each having a core made of a three dimensional metal matrix embedded in and extending through insulation with concrete positioned about the front wall, the right wall, the left wall, the rear wall and the roof to define a concrete layer;a cylinder storage section for storing a compressed air cylinder to provide air to the chamber and maintain positive pressure in the chamber;a one-way exhaust valve through which air from the chamber enters and vents out of the chamber;an inflammable layer in spaced relation to the concrete layer on each of the front wall, the right wall, the left wall, and the rear wall and the roof forming a wall airgap between the inflammable layer and the concrete layer in each of the front wall, the right wall, the left wall, the rear wall, and the roof;an outer fire-resistant door disposed in either the front wall, the right wall, the left wall or the left wall which provides access to the chamber, the outer fire-resistant door containing fire- and heat-resistant insulation; andan inner fire-resistant door which provides access to the chamber, the inner fireresistant door disposed adjacent to the outer fire-resistant door with a door air gap disposed between the inner and the outer fire-resistant doors, the inner fire-resistant door containing fire-and heat-resistant insulation, the roof, the inner and outer doors, the front wall, the right wall, the left wall, the rear wall, the concrete layer, and the base protect the person in the chamber from fire and heat at least in excess of 600 degrees Fahrenheit for at least 2 hours.2025201726   08 Sep 20262. The shelter of Claim 1 including a fire- and heat-resistant roof seal disposed between the roof and the front wall, the right wall, the left wall and the rear wall.

3. The shelter of Claim 2 including a fire- and heat-resistant base seal disposed between the base and the front wall, the right wall, the left wall and the rear wall.

4. The shelter of Claim 3 including metal roof brackets attached to the roof and the front wall, the right wall, the left wall and the rear wall to fix the roof to the front wall, the right wall, the left wall and the rear wall; and metal base brackets attached to the base and the front wall, the right wall, the left wall and the rear wall, to fix the base to the front wall, the right wall, the left wall and the rear wall.

5. The shelter of Claim 4 including a fire- and heat-resistant blanket layer and attached to the concrete layer enveloping the front wall, the right wall, the left wall and the rear wall down to the base, and covering and attached to the roof.

6. The shelter of Claim 5 wherein the inner door has a door handle which when turned allows the inner door to open into the chamber, and wherein the outer door has an escape which opens inwards into the chamber through which the person is able to escape the shelter even when the outer door is not opened.

7. The shelter of Claim 6 wherein the outer door has a peephole and a thermometer.

8. The shelter of Claim 7 including a heat reflective layer disposed on the blanket layer overthe front wall, right wall, the left wall, the rear wall and the roof.

9. The shelter of Claim 8 wherein the inflammable layer in spaced relation to the reflective layer on each of the front wall, the right wall, the left wall, and the rear wall and the roof forming an airgap between the inflammable layer and the reflective layer in each of the front wall, the right wall, the left wall, the rear wall, and the roof.2025201726   08 Sep 202610. The shelter of Claim 9 including inflammable heat resistant spacers attached to and between the reflective layer and the inflammable layer of the front wall, the right wall, the left wall, the rear wall and the roof which maintain the inflammable layer in spaced relation with the reflective layer to define the airgap; and fasteners extending through the inflammable layer, the spacers, the reflective layer, the blanket layer and the front wall, the right wall the left wall, the rear wall, and the roof to fix the inflammable layer, the spacers, the blanket layer, and the reflective layer in place with the front wall, the right wall, the left wall, the rear wall, and the roof.

11. The shelter of Claim 10 including plumbing disposed in the chamber to attach to the cylinders to control air flow out of the cylinders into the chamber.

12. The shelter of Claim 11 including a hollow pipe extending up from the base, the pipe having a top and a bottom, the top having a one-way exhaust valve through which air from the chamber enters and vents through the pipe and out through the base, the bottom of the pipe attached to the base and in fluidic communication to outside the base.

13. The shelter of Claim 12 including a release port for the compressed air from the air cylinders to flow into the chamber, the release port in fluidic communication with the plumbing.

14. The shelter of Claim 13 wherein the release port is disposed adjacent the base and the rear wall, and the pipe is disposed adjacent the front wall and opposing the release port with the oneway exhaust valve adjacent the roof so isentropic cooling provided by the expansion of the compressed breathing air occurs.

15. The shelter of Claim 14 wherein the inflammable layer is formed of cement board.

16. The shelter of Claim 15 wherein the reflective layer disposed on the external surface of eachof the front wall, right wall, the left wall, and the rear wall is one piece.

17. The shelter of Claim 16 including a metal frame in the front wall to which the inner door and outer door are attached.2025201726   08 Sep 202618. The shelter of Claim 17 wherein the base includes a steel platform with fork lift pockets and a lifting eye at each corner for lifting the shelter.

19. The shelter of Claim 18 wherein the core of each wall and the roof includes an EVG panel.

20. The shelter of Claim 19 including a dolly on which the shelter is placed to transport theshelter, the dolly adapted to engage with a vehicle for the vehicle to tow the shelter on the dolly.

21. The shelter of Claim 20 wherein the concrete forms a continuous one-piece concrete layer enveloping the front wall, the right wall, the left wall and the rear wall down to the base.

22. A method for protecting a person from fire and heat comprising the steps of:closing an outer fire-resistant door of a shelter;closing an inner fire-resistant door of the shelter, the shelter comprising:a base;a front wall extending up from the base;a right wall extending up from the base and alongside the front wall;a left wall extending up from the base and alongside the front wall;a rear wall extending up from the base and alongside the front wall and the left wall and opposing the right wall;a roof atop the front wall, the right wall, the left wall and the rear wall which together define a protected chamber from fire; the roof, the front wall, the right wall and the left wall each having a core made of a three-dimensional metal matrix embedded in and extending through insulation with concrete positioned about the front wall, the right wall, the left wall, the rear wall and the roof to define a concrete layer;a cylinder storage section for storing a compressed air cylinder to provide air to the chamber and maintain positive pressure in the chamber;a one-way exhaust valve through which air from the chamber enters and vents out of the chamber;an inflammable layer in spaced relation to the concrete layer on each of the front wall, the right wall, the left wall, and the rear wall and the roof forming a wall airgap between the2025201726   08 Sep 2026inflammable layer and the concrete layer in each of the front wall, the right wall, the left wall, the rear wall, and the roof;the outer fire-resistant door disposed in either the front wall, the right wall, the left wall or the left wall which provides access to the chamber, the outer fire-resistant door containing fire- and heat-resistant insulation; andthe inner fire-resistant door which provides access to the chamber, the inner fireresistant door disposed adjacent to the outer fire-resistant door with a door air gap disposed between the inner and the outer fire-resistant doors, the inner fire-resistant door containing fire-and heat-resistant insulation, the roof, the inner and outer doors, the front wall, the right wall, the left wall, the rear wall, the concrete layer, and the base protect the person in the chamber from fire and heat at least in excess of 600 degrees Fahrenheit for at least 2 hours; andopening valves of compressed air cylinders in the shelter to flow the compressed air from the cylinders into the chamber of the shelter.

23. A method for building a shelter for protecting a person from fire and heat external to the shelter comprising the steps of:placing a front wall on a base so the front wall is extending up from the base;placing a right wall on a base so the right wall is extending up from the base and alongside the front wall;placing a left wall on a base so the left wall is extending up from the base and alongside the front wall;placing a rear wall on a base so the rear wall is extending up from the base and alongside the front wall and the left wall and opposing the right wall;placing a roof atop the front wall, the right wall, the left wall and the rear wall which together define a protected chamber from fire; the roof, the front wall, the right wall and the left wall each having a core made of a three-dimensional metal matrix embedded in insulation with concrete positioned about the front wall, the right wall, the left wall, the rear wall and the roof to define a concrete layer;installing within the chamber a cylinder storage section for storing a compressed air cylinder to provide air to the chamber and maintain positive pressure in the chamber;2025201726   08 Sep 2026a one-way exhaust valve through which air from the chamber enters and vents out of the chamber;positioning adjacent the roof an inflammable layer in spaced relation to the concrete layer on each of the front wall, the right wall, the left wall, and the rear wall and the roof forming a wall airgap between the inflammable layer and the concrete layer in each of the front wall, the right wall, the left wall, the rear wall, and the roof;fixing an outer fire-resistant door in either the front wall, the right wall, the left wall or the left wall which provides access to the chamber, the outer fire-resistant door containing fire-and heat-resistant insulation; andfixing an inner fire-resistant door which provides access to the chamber adjacent to the outer fire-resistant door with a door air gap disposed between the inner and the outer fireresistant doors, the inner fire-resistant door containing fire- and heat-resistant insulation, the roof, the inner and outer doors, the front wall, the right wall, the left wall, the rear wall, the concrete layer, and the base protect the person in the chamber from fire and heat at least in excess of 600 degrees Fahrenheit for at least 2 hours.

24. The method of Claim 23 including the step of attaching a fire- and heat-resistant blanket layer to the concrete layer on the front wall, the right wall, the left wall and the rear wall down to the base, and to the concrete layer on the roof.

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