Electric heating – Heating devices – Combined with diverse-type art device
Patent
1977-03-23
1978-09-26
Albritton, C. L.
Electric heating
Heating devices
Combined with diverse-type art device
165 53, H05B 100
Patent
active
041173058
ABSTRACT:
A heat sump system for building structures in which side walls for a space for fill material, preferably of a granular nature such as sand, and a thermal insulating material is disposed between the fill material and the earth to prevent the escape of heat generated in the fill material normally generated by an electrical heating cable. An insulating material may be disposed around the periphery of the fill material along the side walls around the building foundation. The insulating material is also preferably impervious to moisture to prevent the transfer of moisture from the earth and the side walls to the fill material. While the electrical heating cable, which may be disposed throughout a major portion of the fill material on a horizontal plane, is preferably embedded in the fill material, it may be disposed between the fill material and a concrete slab disposed thereon, or disposed in the concrete slab.
REFERENCES:
patent: 2332227 (1943-10-01), Jackson
patent: 3527921 (1970-09-01), Voglesonger
patent: 4000851 (1977-01-01), Heilemann
J. F. McPartland, Electric Radiant Heating in Floor, Electrical Construction and Maintenance, vol. 69, No. 9, pp. 110-113, 9/70.
German Printed Application 1565, 202, 2/5/70.
German Printed Application 2,351,080, 4/24/75.
Albritton C. L.
Bristol Products Inc.
Hobbs Marmaduke A.
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