PUMP VALVE ARRANGEMENT

Pump valve arrangement 1 comprising a piezoelectrically actuated air pump 10, comprising at least one piezoelectric element for actuating the air pump 10; a plurality of electrically actuated air valves 20, 21, 22, wherein the air valves 20, 21, 22 are in fluid connection with the air pump 10; and a housing 50, 60; wherein the air valves 20, 21, 22 are arranged with the housing 50, 60; and the air pump 10 and the air valves 20, 21, 22 are mounted adjacent to each other without relative movement.