The invention relates to a method and equipment for quantitatively dosing small amounts of liquid, especially in clinical or other similar wet-chemical analyzers. The dosing employs a liquid space, the volume of which can be changed and which is connected to a dosing channel so that, by increasing or...http://www.google.com/patents/US5638986?utm_source=gb-gplus-sharePatent US5638986 - Method and equipment for dosing small amounts of liquid quantitatively
