Electric resistance heating devices – Heating devices – Radiant heater
Patent
1989-04-26
1991-03-26
Evans, Geoffrey S.
Electric resistance heating devices
Heating devices
Radiant heater
4524, 219213, 219344, A61H 3306, H05B 102
Patent
active
050031589
ABSTRACT:
An electrically heated sauna oven comprising a housing, a number of stone elements, particularly soap rock elements, and electric resistor elements, and the electric power supplied therein is controlled by means of a control unit. The stone elements are slabs mutually alike slabs of a regular shape, which are adjacently attached to the housing. The housing is formed of a plate-like underlay, which is vertically attached to the sauna wall. The electric resistor elements are fitted inside each stone element.
REFERENCES:
patent: 2152934 (1939-04-01), Trent
patent: 4412126 (1983-10-01), Brockway
patent: 4415798 (1983-11-01), Knappe
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