Patent ID: 6959836
Filing Date: 2005-11-01
Classification: G01N

Abstract:
1. A dispenser for the substantially automated and finely metered dispensing of liquids, the dispenser comprising: a first line; a conveying element for conveying the liquid which is to be dispensed through the first line, wherein the liquid is transported out of the storage element by the conveying element and conveyed into the first line, wherein the conveying element is connected to the storage element by means of a second line and the end of the second line proximal to the storage element is movable in the direction of the immersion in the liquid in the storage element; a closure device for the rapid closing and rapid opening of the first line, the closure device being located downstream of the conveying element in the direction of travel of the liquid; a device for regulating the pressure of the liquid in the area between the conveying element and the closure device, the device comprising a third line which branches off the first line, as well as a pressure valve for opening and closing the third line, wherein the third line opens into the second line upstream of the conveying element in the direction of travel of the liquid.