| 摘要 |
The present invention relates to a fluid flow control device which is particularly adapted for use with domestic gas appliances, such as domestic gas cookers. In a fluid flow control device in accordance with the present invention, an excess flame sensor is provided positioned proximate to a fluid burner and arranged to determine whether "flaring" of the burner flame is occurring (such as may occur due to hot oil spillage, for example). On the occurrence of excess flame, a safety valve in the device is actuated to cut off fluid flow to the burner. Further, a heat sensor is also provided to detect the existence of flame at the burner. In the absence of flame, the safety valve is also actuated to cut off fluid flow to the burner. |
