Connecting an electrical cut-off switch in a gas appliance

Details Connecting an electrical cut-off switch in a gas appliance Connecting an electrical cut-off switch in a gas appliance

2006-07-11

2006-07-11

Lee, Kevin (Department: 3753)

Fluid handling

Combustion failure responsive fuel safety cut-off for burners

Thermo-electric

C439S320000

Reexamination Certificate

active

07073526

ABSTRACT:
A gas control valve is provided for a gas appliance that includes an electrical cut-off (ECO) switch, and a thermocouple having an electrical terminal. The gas control valve includes a control valve housing having a bore therein, an automatic pilot valve magnet disposed the bore and having an electrical terminal, and a connector apparatus for connecting the ECO switch in a series circuit relationship between the electrical terminals of the thermocouple and the pilot valve magnet. The connector apparatus includes a spacer abutting the pilot valve magnet in the bore, a connector for engaging the spacer through a window in the control valve housing and connecting the ECO switch to electrical terminals of the thermocouple and pilot valve magnet, and a retainer for clamping the spacer against the pilot valve magnet and receiving the thermocouple.

REFERENCES:
patent: 2296322 (1942-09-01), Alfery
patent: 3286216 (1966-11-01), Jackson et al.
patent: 3286923 (1966-11-01), Jackson et al.
patent: 3810054 (1974-05-01), Nelson
patent: 5967766 (1999-10-01), Katchka
patent: 6182944 (2001-02-01), Veronese et al.
patent: 2003/0030024 (2003-02-01), Bushik et al.

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