公开(公告)号：US10830227B2

公开(公告)日：2020-11-10

申请号：US16429741

申请日：2019-06-03

Applicant: ELEMENTAL SCIENTIFIC, INC.

Inventor： Daniel R. Wiederin ,  Gary J. Barrett

IPC: F04B43/12 ,  A61M5/142

Abstract: A peristaltic pump includes a rotating member operably coupled to a drive. The rotating member includes a plurality of rollers arranged in a circular configuration. A guide member defines a channel configured to direct a peristaltic tube around the rotating member so that the peristaltic tube interfaces with the plurality of rollers. The peristaltic tube is pressed against the plurality of rollers by a retaining shoe. The retaining shoe contains surface irregularities configured to restrict movement of the peristaltic tube. A keeper braces the restraining shoe against the peristaltic tube. The rotating rollers compressing the peristaltic tube against the retaining shoe as the rotating member rotates results in a peristaltic action that produces a nearly pulse free linear flow.

公开(公告)号：US09341229B1

公开(公告)日：2016-05-17

申请号：US14022444

申请日：2013-09-10

Applicant: Elemental Scientific, Inc.

Inventor： Daniel R. Wiederin ,  David Diaz ,  Gary J. Barrett

IPC: G01N35/10 ,  F16F15/03 ,  G01N1/00

CPC classification number: G01N35/1011 ,  B01L3/021 ,  B01L9/02 ,  B01L2300/0829

Abstract: A dampening device for an automated sampling/dispensing device is described. In an example implementation, the dampening device includes a cylindrical body. The cylindrical body includes a first end and a second end, a first opening being defined within the first end and a second opening being defined within the second end. Further, the cylindrical body may include an inner diameter greater than an outer diameter of an automated sampling/dispensing device sample probe. During operation, the dampening device moves out of phase with the automated sampling/dispensing device sample probe allowing sample probe vibrations to be dampened during operation. The dampening device is configured to be magnetically attracted to the sampling/dispensing device. For example, the dampening device and/or the sampling/dispensing device can include a permanent magnetic material, a ferromagnetic material, a ferrimagnetic material, and/or an electromagnet.

Abstract translation: 描述了用于自动取样/分配装置的阻尼装置。 在示例性实施例中，阻尼装置包括圆柱体。 圆柱体包括第一端和第二端，第一开口限定在第一端内，第二开口限定在第二端内。 此外，圆柱体可以包括大于自动取样/分配装置样品探针的外径的内径。 在运行过程中，阻尼装置与自动采样/分配装置的样品探针异相移动，允许样品探针振动在操作过程中被抑制。 阻尼装置构造成磁吸引到采样/分配装置。 例如，阻尼装置和/或采样/分配装置可以包括永磁材料，铁磁材料，铁磁材料和/或电磁体。

公开(公告)号：US09148942B1

公开(公告)日：2015-09-29

申请号：US14485864

申请日：2014-09-15

Applicant: Elemental Scientific, Inc.

Inventor： Daniel R. Wiederin ,  Gary J. Barrett

IPC: B23K10/00 ,  H05H1/30 ,  G01N21/73

CPC classification number: H05H1/30 ,  G01N21/73

Abstract: A demountable plasma torch assembly suitable for use in ICP spectrometry comprises a first tube having an inner diameter and a second tube disposed concentrically within the first tube, wherein the second tube has an outer diameter that is less than the inner diameter of the first tube. The first and second tubes are supported by a torch body. The torch body includes a first bore configured to receive an end of the first tube, a second bore configured to receive an end of the second tube, and a manifold disposed between the first bore and the second bore to receive a gas for injection between the first tube and the second tube. The manifold has an outer diameter at least substantially equal to the inner diameter of the first tube and an inner diameter at least substantially equal to the outer diameter of the second tube.

Abstract translation: 适用于ICP光谱分析的可拆卸等离子体焰炬组件包括具有内径的第一管和同心地设置在第一管内的第二管，其中第二管的外径小于第一管的内径。 第一和第二管由火炬主体支撑。 割炬本体包括构造成容纳第一管的端部的第一孔，构造成容纳第二管的端部的第二孔，以及设置在第一孔和第二孔之间的歧管，以在第二孔之间接收注入气体 第一管和第二管。 歧管具有至少基本上等于第一管的内径的外径和至少基本上等于第二管的外径的内径。