Patent ID: 7231988

Claim:
A fire protection and fire extinguishing device for aquiferous domestic appliances, comprising: at least one fault current circuit breaker coupled to the input electrical supply of at least one conductor of a domestic appliance that has a water supply arrangement for supplying water to the domestic appliance such that the domestic appliance can perform an aquiferous operation on items being handled by the domestic appliance, which fault current circuit breaker disconnects said electrical supply from said appliance when said fault current circuit breaker senses a fault current in said at least one conductor; at least one gas sensor coupled to sense the quantity of at least one control gas in said appliance, which gas sensor also causes said electrical supply to be disconnected from said appliance when said gas sensor senses a predetermined quantity of said at least one control gas; and at least one water sprinkler system having a loop line for providing a spray mist to said appliance when said electrical supply is disconnected from said appliance by said gas sensor, the loop line being connected to the water supply arrangement of the domestic appliance for receiving water therefrom.