Patent ID: 7950384

Claim:
A gas cooking appliance adapted for a supply of either a natural gas or a liquefied petroleum gas comprising: a burner; and a valve with a valve body having a rotatable regulating organ between a valve inlet and a valve outlet, the regulating organ configured to vary the flow rate of gaseous fuel at the valve outlet as a function of an angular position of the regulating organ, a first angular position of the regulating organ determining a first minimum flow rate of the natural gas, and a second angular position of the regulating organ, successive to the first angular position, determining a second minimum flow rate of the second liquefied petroleum gas, the valve further comprising a control knob used to manipulate the angular position of the regulating organ coupled to the regulating organ by an actuating shaft, the valve having a first part that rotates simultaneously with a rotation of the control knob and that is co-operable with a second part, apart from the valve, situated on the appliance to prevent rotation of the regulating organ beyond the first angular position, absent the presence of the first part or the second part the regulating organ is rotatable to the second angular position.