Dispensers for diluting a concentrated liquid and dispensing the diluted concentrate

A dispenser comprising:

• a container for holding a concentrated liquid;
• a concentrate pump for pumping the concentrated liquid;
• a concentrate passageway from the concentrate pump to a mixing chamber;
• an inlet for a diluent;
• a diluent valve for preventing flow of diluent;
• a diluent passageway from the diluent inlet to the mixing chamber;
• and an actuator,
• wherein movement of the actuator closes the diluent valve and prevents diluent from flowing in from the diluent inlet and causes movement of the concentrate pumping mechanism to pump the concentrate;
• and
• wherein movement of the actuator causes the diluent and concentrate to be mixed together in the mixing chamber to form a diluted mixture that is dispensed through a dispenser outlet.

A dispenser comprising:

• a holder for receiving a replaceable refill unit that includes a container of a concentrated liquid and a concentrate pump;
• a concentrate pump actuator for actuating the concentrate pump when a refill is installed in the dispenser;
• a concentrate passageway for directing concentrate to a mixing chamber;
• an inlet for a diluent;
• a diluent passageway from the inlet to the mixing chamber;
• an outlet from the mixing chamber;
• and a dispenser actuator;
• and
• an air pump
• wherein the concentrate pump actuator is prevented from moving when no diluent is present and when diluent is present, movement of the dispenser actuator moves the concentrate pump actuator;
• wherein the diluent and concentrate are mixed together in the mixing chamber and dispensed at an outlet located downstream of the mixing chamber;
• and
• wherein an air passageway places the air pump in fluid communication with the mixture of the diluent and the concentrate prior to being dispensed out of the outlet.