Fire escape chamber with outer cage and inner cage

Patent metadata

Field	Value
Publication number	US-2016348386-A1
Application number	US-201615161741-A
Country	US
Kind code	A1
Filing date	May 23, 2016
Priority date	May 29, 2015
Publication date	Dec 1, 2016
Grant date	—

Abstract

A fire escape chamber includes a hermetically sealable outer cage with outer side wall elements, with an outer floor element and with an outer ceiling element. Fire protection insulation layers are provided on the inner sides of the outer elements with some fastened by pin elements, which protrude from the outer side wall elements and from the outer ceiling element into the respective fire protection insulation layers. An inner cage has inner side wall elements, an inner ceiling element and an inner floor element. The inner floor element is mounted in a supporting manner on the fire protection insulation layer of the outer floor element. The inner side wall elements and the inner ceiling element are formed by a plurality of support structure elements, on the inner sides of which panels are, in turn, fastened. The support structure elements are located at spaced locations from the pin elements.

First claim

What is claimed is:

1 . A fire escape chamber comprising:
a hermetically sealable outer cage comprising: outer side wall elements; at least one outer floor element; at least one outer ceiling element; an outer side wall element fire protection insulation layer on an inner side of the outer side wall elements; an outer floor element fire protection insulation layer on an inner side of the outer floor element; a ceiling element fire protection insulation layer on an inner side of the ceiling element; and pin elements, wherein some of the pin elements protrude into and fasten the outer side wall element fire protection insulation layer from the outer side wall elements and some of the pin elements protrude into and fasten the outer ceiling element fire protection insulation layer from the outer ceiling element; and an inner cage comprising: inner side wall elements; at least one inner ceiling element; at least one inner floor element, wherein the inner floor element is mounted in a supporting manner on the outer floor element fire protection insulation layer, wherein the inner side wall elements and the inner ceiling element are formed by a plurality of support structure elements with inner sides and panels fastened on the inner sides of the support structure elements and the support structure elements are located at spaced locations from the pin elements.

2 . A fire escape chamber in accordance with claim 1 , wherein the inner floor element has an outer edge with a bordering element, which extends around the outer edge in at least some segments and which is higher than the upper floor surface of the inner floor element and which is in contact with the fire protection insulation layers of the outer side walls, wherein the inner side wall elements are located at spaced locations from the respective outer side wall elements fire protection insulation layers and the and the inner ceiling element is located at a spaced location from of the outer ceiling element fire protection insulation layer.

3 . A fire escape chamber in accordance with claim 2 , wherein:
some of the support structure elements are fastened to the inner floor element and are located within an inner surface of the inner floor element limited by the bordering element; some of the support structure elements are located at spaced locations from the respective outer side wall elements fire protection insulation layers; and some of the support structure elements are located at spaced locations from the outer ceiling element fire protection insulation layer.

4 . A fire escape chamber in accordance with claim 1 , wherein the support structure elements are hollow sections.

5 . A fire escape chamber in accordance with claim 2 , wherein the inner floor element has a tub configuration and the bordering element forms an edge of the tub configuration.

6 . A fire escape chamber in accordance with claim 1 , wherein one of the outer side wall elements has a door frame for an outer door and the door frame is formed from one outer side wall element towards one of the inner side wall elements and a heat seal joint extending around the door frame and connecting the door frame to said one of the outer side wall elements, the heat seal joint being formed from a heat-insulating material.

7 . A fire escape chamber in accordance with claim 6 , further comprising an additional lock door and partition elements wherein the inner cage has a lock area, which adjoins said one inner side wall element and the lock area is hermetically separated from a main inner space of the inner cage by the partition elements and by the additional lock door.

8 . A fire escape chamber in accordance with claim 7 , wherein the main inner space has an outside air valve and a control unit, wherein the outside air valve controls an inflow of outside air into the main inner space as a function of a control signal of the control unit.

9 . A fire escape chamber in accordance with claim 8 , further comprising a gas sensor on an outer side of one of the outer side wall elements, and that the control unit is configured to actuate the outside air valve as a function of a sensor signal of the gas sensor.

10 . A fire escape chamber in accordance with claim 9 , wherein the main inner space has a connection device for at least one fresh air tank, and that the control unit is configured to control or to regulate a fresh air supply through the fresh air gas tank via the connection device as a function of the sensor signal.

11 . A fire escape chamber in accordance with claim 8 , wherein:
the main inner space is connected to the lock area via at least one first air valve, wherein the first air valve makes possible the outflow of air from the main inner space into the lock area only when a preset first pressure difference between the main inner space and the lock area is exceeded; and the lock area is connected to an outside area via at least one second air valve, wherein the second air valve makes possible the outflow of air from the lock area into the outside area only when a preset second pressure difference between the lock area and the outside area is exceeded.

Assignees

• Draeger Safety Ag & Co Kgaa

Inventors

• Beckmann Alexander
• Lühr Matthias
• Rojahn Eric

Classifications

• E04H1/1261 Primary

  Cubicles for fire-protection · CPC title

• F16K17/02

  opening on surplus pressure on one side; closing on insufficient pressure on one side (check valves F16K15/00) · CPC title

• A62B5/00

  Other devices for rescuing from fire (ladders E06C) · CPC title

• E04H9/16

  against adverse conditions, e.g. extreme climate, pests · CPC title

• E04H1/1205

  Small buildings erected in the open air (E04H1/1272 takes precedence) · CPC title