Gas valve switch structure of gas stove

Details Gas valve switch structure of gas stove Gas valve switch structure of gas stove

2005-01-11

2005-01-11

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Combustion failure responsive fuel safety cut-off for burners

Thermo-electric

C137S881000, C431S059000

Reexamination Certificate

active

06840261

ABSTRACT:
A gas valve switch structure of a gas stove includes a top base, an aluminum plate, a sealing washer, two rubber washers two fixing pieces, a female base, and a protective plate. The protective plate is used for sealing the rubber washer and the fixing piece in the oblong hole of the female base. Then, the top base is screwed on the female base, with the aluminum plate and the sealing washer being clamped between the top base and the female base. The air storing chambers of the female base are closed while the rubber washer and the fixing piece are sealed in the oblong hole of the female base by provision of the aluminum plate and the sealing washer, and the gas valve switch structure of the gas stove achieves a gas triple safety switch by provision of the two electromagnetic valves and the control bolt.

REFERENCES:
patent: 3999932 (1976-12-01), Matthews
patent: 5447287 (1995-09-01), Kelly et al.
patent: 6029705 (2000-02-01), Happe
patent: 6520199 (2003-02-01), Huang
patent: 6537058 (2003-03-01), Evans et al.
Robertshaw Controls Company; 2000 DER/IPER Gas Heating Controls; 4 Pages.
Robertshaw Controls Company; 2500 DER Gas Heating Control; 4 Pages.
Robertshaw Controls Company; 7000 LC Gas Heating Control; 4 Pages.
Robertshaw Controls Company; 2000 WIPER/WDER Gas Heating Controls; 4 Pages.

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