Fireproof wall lead-through for an electrically insulated conductor and method for producing a fireproof wall lead-through
AssigneeSiemens Aktiengesellschaft
InventorsDetlef Brusius, Manfred Gronbach
Life of this patent
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Abstract
A fireproof wall lead-through for an electrically insulated conductor, having a wall, a wall pipe leading through the wall, an outer sleeve extending through the wall pipe, and a conductor led through the outer sleeve, which conductor is spaced apart from the outer sleeve in an electrically insulating manner, wherein an intumescent material is applied to the outer sleeve and the conductor in the conductor segment of the wall pipe, which intumescent material swells and closes the wall lead-through under the influence of heat.
Claims5
-8. (canceled)
A fireproof wall lead-through for an electrically insulated conductor, comprising
- a wall,
- a wall pipe extending through the wall,
- an outer shell extending through the wall pipe,
- a tubular conductor routed through the outer shell, which is spaced apart from the outer shell in an electrically insulating arrangement, and
- an intumescent material, wherein the intumescent material is applied to the outer shell and the tubular conductor in the tube segment of the wall pipe, which swells and closes the wall lead-through under the influence of heat,
- wherein the tubular conductor, in the wall lead-through tube segment, is provided with at least two plates arranged perpendicular to the tube axis, which are mutually spaced, and the respective inward-facing side of which is coated with the intumescent material.
Dependencies are inferred from the claim text.