公开(公告)号：US20140138404A1

公开(公告)日：2014-05-22

申请号：US13982742

申请日：2012-01-31

Applicant: WITEG LABORTECHNIK GMBH

Inventor： Elmar Swiegot ,  Alan Shinn ,  Chiko Fan ,  David King ,  Elias Elias

IPC: G01F11/02

CPC classification number: G01F11/023 ,  B01L3/0206 ,  B01L3/0217 ,  B01L2300/028 ,  G01F11/021 ,  G01F11/025

Abstract: The invention relates to a dosing device for dispensing and/or receiving a dosed amount of a liquid, comprising a piston device being disposed in a housing and a device for determining the stroke of the piston and/or the position of the piston, wherein the device for determining the stroke of the piston and/or the position of the piston features at least one scalar element and at least one measuring device, wherein the scalar element is fixedly disposed at the housing of the piston device and the measuring device is directly or indirectly connected to the piston and can be moved together with the piston, or wherein the scalar element is disposed at the piston so as to be movable with the piston and the measuring device is fixedly disposed at the housing, and wherein the scalar element is designed as an absolutely coded scale.

Abstract translation: 本发明涉及一种用于分配和/或接收剂量的液体的计量装置，包括设置在壳体中的活塞装置和用于确定活塞行程和/或活塞位置的装置，其中， 用于确定活塞的行程和/或活塞的位置的装置具有至少一个标量元件和至少一个测量装置，其中标量元件固定地设置在活塞装置的壳体处，并且测量装置直接或 间接地连接到活塞并且可以与活塞一起移动，或者其中标量元件设置在活塞处，以便可随活塞移动并且测量装置固定地设置在壳体处，并且其中标量元件被设计 作为绝对编码的规模。