公开(公告)号：US20130243666A1

公开(公告)日：2013-09-19

申请号：US13782791

申请日：2013-03-01

Applicant: EPPENDORF AG

Inventor： Holger LINK ,  Tobias DAVID

IPC: B01L3/02 ,  B23P15/00

CPC classification number: B01L3/021 ,  B01L3/0213 ,  B01L2300/14 ,  B01L2400/0487 ,  B01L2400/049 ,  B01L2400/065 ,  B23P15/001 ,  Y10T29/49405

Abstract: The invention relates to a pipetting apparatus, in particular for pipetting a fluid sample by aspiration into a pipetting container by means of air under a pipetting pressure, said pipetting apparatus comprising: a valve arrangement having at least one valve device for setting a pipetting pressure, wherein the valve device comprises a valve chamber; at least one pump device, which is connected to the valve chamber to generate a chamber pressure in the valve chamber; a pipetting channel, to which the pipetting container can be connected, and; a bypass channel, which is open to the surrounding environment; wherein the pipetting channel and the bypass channel are each connected to the valve chamber; and wherein the at least one valve device is designed such that, to generate the desired pipetting pressure in the pipetting channel, the chamber pressure is distributed in a metered manner by the valve device between the pipetting channel and the bypass channel. The invention further relates to a method for producing this pipetting apparatus.

Abstract translation: 本发明涉及一种移液装置，特别是用于通过在移液压力下通过空气抽吸到移液容器中来吸移流体样品，所述移液装置包括：阀装置，其具有至少一个用于设定移液压力的阀装置， 其中所述阀装置包括阀室; 至少一个泵装置，其连接到所述阀室以在所述阀室中产生室压力; 移液管可以连接到移液管上; 旁路通道，对周围环境开放; 其中所述移液通道和所述旁通通道各自连接到所述阀室; 并且其中所述至少一个阀装置被设计成使得为了在所述移液通道中产生期望的移液压力，所述腔室压力通过所述阀装置在所述移液通道和所述旁路通道之间以计量方式分配。 本发明还涉及一种生产该移液装置的方法。

公开(公告)号：US20130239706A1

公开(公告)日：2013-09-19

申请号：US13782787

申请日：2013-03-01

Applicant: EPPENDORF AG

Inventor： Holger LINK

IPC: B01L3/02

CPC classification number: B01L3/021 ,  B01L3/0217 ,  B01L2300/0861 ,  G01N35/1065

Abstract: The invention relates to a pipetting device for pipetting at least one fluid laboratory sample into at least one pipetting vessel, said device having a main body extending along an axis direction, at least one connecting section, to which at least one pipetting vessel can be connected by an at least partially axial connecting movement along the positive axis direction, wherein the at least one connecting section is connected to the main body so as to be movable at least in the axis direction, a spring mechanism, by which the at least one connecting section is supported with spring loading on the main body at least in a first operating state of the pipetting device, such that the at least one connecting section, during the connecting movement, can perform a spring-assisted deflection movement along the positive axis direction, wherein an auxiliary mechanism is provided on the pipetting device and is designed to act on the deflection movement of the at least one connecting section in at least a second operating state of the pipetting device, wherein the pipetting device is designed such that the user can alternately put it into the first operating state or the second operating state. The invention further relates to a multi-channel pipetting device.

Abstract translation: 本发明涉及一种用于将至少一个流体实验室样品移液到至少一个移液容器中的移液装置，所述装置具有沿轴向方向延伸的主体，至少一个连接部分，至少一个移液管可连接到该移液管 通过沿着所述正轴方向的至少部分轴向的连接运动，其中所述至少一个连接部分至少连接到所述主体以至少在所述轴线方向上可移动;弹簧机构，所述至少一个连接 至少在吸移装置的第一操作状态下，弹簧加载在主体上，使得至少一个连接部分在连接运动期间能够沿着正轴方向执行弹簧辅助的偏转运动， 其中辅助机构设置在所述移液装置上并且被设计成作用于所述至少一个连接部分的在所述偏转运动中 所述移液装置的至少第二操作状态，其中所述移液装置被设计成使得所述用户可以交替地将其置于所述第一操作状态或所述第二操作状态。 本发明还涉及一种多通道移液装置。

公开(公告)号：US20200246788A1

公开(公告)日：2020-08-06

申请号：US16065628

申请日：2016-12-21

Applicant: EPPENDORF AG

Inventor： Holger LINK ,  Tobias DAVID ,  Hedda MERKENS

IPC: B01L3/02

Abstract: The invention further relates to a method for producing said pipetting device. The invention relates to a pipetting device, in particular for pipetting a fluid sample by suctioning into a pipetting container using air under a pipetting pressure, having the following:—a valve assembly with at least one valve device for adjusting a pipetting pressure, said valve device having a valve chamber;—at least one pump device which is connected to the valve chamber in order to generate a chamber pressure in the valve chamber;—a pipetting channel which is connected to the pipetting container, and—a bypass channel which is open towards the surroundings, wherein—the pipetting channel and the bypass channel are each connected to the valve chamber; and—the at least one valve device has a closure element with a closure surface which is designed such that the chamber pressure is distributed to the pipetting channel and the bypass channel in a metered manner by the valve device in order to generate the desired pipetting pressure in the pipetting channel. The invention further relates to a method for producing said pipetting device.