Patent ID: 8881748

Claim:
A dispenser for use in a dishwasher having a wash tub, the dispenser disposed within the wash tub, the dispenser comprising: a storage chamber dimensioned to hold an additive; a lid operatively mounted to the storage chamber, and configured to move between a first position wherein the lid closes the storage chamber and a second position wherein the lid is displaced from the storage chamber; a latch assembly operatively attached to the storage chamber, the latch assembly configured to retain the lid in the first position, and disengage the lid; and a hydraulic actuator configured to actuate the latch assembly so as to disengage the lid, wherein the hydraulic actuator is fluidly coupled to a water source external to the dishwasher, the water source configured to supply fluid pressure to the hydraulic actuator so as to actuate the latch assembly and release the lid.