Patent attributes
The device for dispensing a washing or rinsing agent for a dishwashing machine comprises:a container which hasan inlet opening, which is adapted to be closed in a fluid-tight manner, for filling a quantity of a washing/rinsing agent inside the container;an outlet opening which is adapted to be closed in a fluid-tight manner, for dispensing a quantity of washing/rinsing agent during an operating cycle of the device;a feeder screw mounted rotatably inside the container, coaxial with the outlet opening and capable of conveying the washing/rinsing agent towards said outlet opening;transmission members driven by a motor unit and able to impart a rotation to the screw during an operating cycle of the device; anda closing valve unit able selectively to free and close off in a fluid-tight manner the outlet opening.
