Abstract: The current invention is directed to a cistern assembly for a flush toilet where the cistern assembly includes a cistern housing including a cistern lid and a cistern base, a cistern member pivotally attached within the cistern housing, and an actuator means associated with the cistern member to pivot the cistern member relative to the cistern housing to discharge the stored water. The cistern member has a base wall that forms a chamber to store the water and a passageway to discharge the water from the chamber, the passageway has an internal inlet and a cistern outlet and is shaped to siphon water through the passageway. The internal inlet is positioned substantially on or adjacent to the pivot vertical axis of the cistern member when the cistern member is in one of the pivoted positions.

Abstract: The current invention is directed to a cistern assembly for a flush toilet where the cistern assembly includes a cistern housing including a cistern lid and a cistern base, a cistern member pivotally attached within the cistern housing, and an actuator means associated with the cistern member to pivot the cistern member relative to the cistern housing to discharge the stored water. The cistern member has a base wall that forms a chamber to store the water and a passageway to discharge the water from the chamber, the passageway has an internal inlet and a cistern outlet and is shaped to siphon water through the passageway. The internal inlet is positioned substantially on or adjacent to the pivot vertical axis of the cistern member when the cistern member is in one of the pivoted positions.