Dosing device for liquids

US8420027B2 · kind B2 · utility

Assignee

• BRAND GMBH & CO KG · DE

Inventors

• Peter Mahler · Kreuzwertheim, DE
• Thomas Stricker · Wertheim, DE
• Harry Siebert · Germering, DE
• Eberhard Albrecht · Wertheim, DE

Key dates

• Filing date: Oct 13, 2008
• Grant date: Apr 16, 2013
• Expiry date: Nov 24, 2029

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01L2200/028
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A dosing device for liquids, with a distributor rail and a plurality of dosing units for the liquid that are hydraulically connected to the replaceable distributor rail. Each dosing unit has a valve unit, preferably a suction valve, a discharge valve and a discharge cannula. A piston-cylinder unit is detachably arranged on each valve unit for drawing in and measured discharging of the liquid. Each valve unit has a hydraulic connection element for detachable hydraulic connection to the distributor rail. The distributor rail has an elongate fluid supply line, a supply connection for the liquid being provided on an end of the distributor rail and dosing unit connections being distributed laterally along the length of the rail. Each of the dosing unit connections are detachably coupled to the hydraulic connection elements of the dosing units. The distributor rail is a replaceable part made of a preferably recyclable, injection-moldable plastic.