Heating device with thermostat switch

Details Heating device with thermostat switch Heating device with thermostat switch

2007-04-24

2007-04-24

Paschall, Mark (Department: 3742)

Electric heating

Heating devices

With power supply and voltage or current regulation or...

C219S491000, C219S494000, C219S511000, C219S506000, C324S417000, C236S09100C

Reexamination Certificate

active

11426674

ABSTRACT:
A system for wiring a heating element in an electrical appliance to a conventional thermostat switch in a new manner and a new thermostat for supporting the new wiring system. The new wiring system avoids switching the full heating element current for both hot power leads of a split-phase power system to reduce the amount of wiring needed to wire the thermostat switch to a heating element and a pilot lamp showing that current is being provided to the heating element.

REFERENCES:
patent: 3301980 (1967-01-01), Geis
patent: 3919679 (1975-11-01), Kingma
patent: 3932830 (1976-01-01), Holtkamp
patent: 3983928 (1976-10-01), Barnes
patent: 4198562 (1980-04-01), Mills et al.
patent: 4518850 (1985-05-01), Grasso
patent: 4839626 (1989-06-01), Hollweck
patent: 4968963 (1990-11-01), DeWitt et al.
patent: 6057529 (2000-05-01), Kirby
patent: 6093014 (2000-07-01), Anderson et al.
patent: 6624397 (2003-09-01), Tateishi
patent: 2002/0158617 (2002-10-01), Garris, III

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