Patent ID: 8916112

Claim:
A device for handling liquid, the device being rotatable about an axis of rotation to drive liquid flow within the device and comprising a plurality of chambers each adjacent to at least one other of the plurality of chambers and each chamber of the plurality of chambers having an inlet, an outlet connected to a respective outlet conduit, and an overflow conduit which defines a fill level to which the respective chamber is fillable with liquid from the inlet before overflowing, the inlet of a second chamber of each pair of adjacent chambers being connected to the overflow conduit of a first chamber of each pair of adjacent chambers to fill the second chamber of each pair with liquid overflowing from the first chamber of each pair, and each outlet conduit defining an upstream portion, a downstream portion and a crest disposed radially inward of the respective fill level, the upstream portion and the downstream portion extending radially outward from the crest, and being configured to urge liquid to flow from the respective outlet port to the downstream portion by capillary action.