Fluid dispenser with bimetal actuated valve assembly

Abstract From the Canadian patent

A fluid dispenser for mounting in a door of an appliance such as an automatic dishwasher and having an elongated valve member with upper and lower spaced seal cambers and disposed in a cylindrical metering chamber located immediately adjacent a fluid reservoir. A fluid passageway connects the metering chamber with the fluid reservoir enabling a deflector member to transfer a quantity of fluid into the metering chamber. A flexible bimetal element with one end attached to the upper end of the valve member spring biases the valve member toward a position sealing the metering chamber. Upward deflection of the bimetal element by electrical heating lifts the valve member to an open position …