Beds – Bedsteads – Element or detail
Patent
1976-02-23
1977-06-07
Gilliam, Paul R.
Beds
Bedsteads
Element or detail
5284, A47G 2300
Patent
active
040273440
ABSTRACT:
A portable energy conserving bed warming device is provided, designed to store heat and to permit its gradual radiation over an extended period of time. The device is placed at the foot of the bed, under the bed covers, and radiates heat to warm the bed and provide for comfortable sleeping in cold weather. It includes a hollow container made of a heat conductive material to provide a reservoir for heated fluid. The fluid is placed in the container and heated, following which the container is closed. The container is snugly enclosed within a hollow heat insulating casing closed on all sides except for a plurality of selectively disposed openings in the front wall. The openings in the casing permit heat radiating from the heated fluid in the reservoir to pass slowly into the ambient atmosphere, thereby warming the bed in which the device is placed. To enhance radiation of heat from the heated fluid reservoir, some of the walls of the container are provided with indentations or corrugations to increase its heat transfer surface. The casing for the device contains heating means for heating the fluid in the reservoir.
REFERENCES:
patent: 996350 (1911-06-01), Lamb
patent: 1793005 (1931-02-01), Oatway
patent: 2031882 (1936-02-01), Freeman
patent: 2160443 (1939-05-01), Schadell
Calvert Andrew M.
Frailey Robert B.
Gilliam Paul R.
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