Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1995-10-13
1998-08-18
Paschall, Mark H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219484, 219501, 219510, 307 39, H05B 102
Patent
active
057960763
ABSTRACT:
A sauna heater control having a plurality of electrical heater elements for heating a sauna chamber, an alternating current heater power circuit, a half-wave rectifier for selective inclusion in the alternating current heater power circuit, a plurality of circuits for connecting the electrical heater elements and the half-wave rectifier in various conductive pathways in the alternating current heater power circuit, and a switch for switching the electrical heater elements and the half-wave rectifier between the various conductive pathways.
REFERENCES:
patent: 4085309 (1978-04-01), Godel et al.
patent: 4112281 (1978-09-01), Epps
patent: 4547658 (1985-10-01), Crowley
patent: 4851646 (1989-07-01), Perala
patent: 4886955 (1989-12-01), Kimura
patent: 4990752 (1991-02-01), Worall et al.
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