Electronic metering apparatus for metering liquids

US8028592B2 · kind B2 · utility

Assignee

• Eppendorf AG · DE

Inventors

• Peter Molitor · Andale, US
• Karl-Friedrich Andres · Bargteheide, DE
• Peter Schmidt · Schwieberdingen, DE

Key dates

• Filing date: Aug 3, 2007
• Grant date: Oct 4, 2011
• Expiry date: Jan 28, 2029

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01L2300/027
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An electronic metering apparatus for metering liquids, with a longitudinal, handleable housing, a drive, arranged in the housing, with an electric motor, at least one displacer device, arranged in the housing or being capable to be arranged on the same, with a displacer element, which is connected to the drive and/or connectable to the same, at least one holding device on the bottom end of the housing for holding a pipette point or a syringe, at least one electric operational control in or on the housing, at least one electric information device in or on the housing, an electric control unit arranged in the housing, which is connected to the electric motor, the electric operational control and the electric information device, and which controls the information device depending on the position and/or previous changes of the position of the displacer element, in order to put out an information concerning the next reasonable dislocation of the displacer element, and an electric power supply.