公开(公告)号：US09671516B2

公开(公告)日：2017-06-06

申请号：US13543393

申请日：2012-07-06

Applicant: Lalitha Venkataramanan ,  Tarek M. Habashy ,  Denise E. Freed

Inventor： Lalitha Venkataramanan ,  Tarek M. Habashy ,  Denise E. Freed

IPC: G01V3/32 ,  G01V3/14 ,  G01N11/16 ,  G01R33/44

CPC classification number: G01N24/081 ,  G01N11/16 ,  G01R33/448 ,  G01V3/14 ,  G01V3/32

Abstract: Methods and related systems are described for estimating fluid or rock properties from NMR measurements. A modified pulse sequence is provided that can directly provide moments of relaxation-time or diffusion distributions. This pulse sequence can be adapted to the desired moment of relaxation-time or diffusion coefficient. The data from this pulse sequence provides direct estimates of fluid properties such as average chain length and viscosity of a hydrocarbon. In comparison to the uniformly-spaced pulse sequence, these pulse sequences are faster and have a lower error bar in computing the fluid properties.

公开(公告)号：US09645117B2

公开(公告)日：2017-05-09

申请号：US14409265

申请日：2013-05-21

Applicant: SEIKO INSTRUMENTS INC.

Inventor： Sachiko Tanabe ,  Masayuki Suda ,  Hiroshi Muramatsu

IPC: G01N29/02 ,  G01N11/16 ,  G01N29/028 ,  H01L41/047 ,  H03H9/15 ,  H03H9/25 ,  H03H9/17 ,  G01N5/02 ,  G01N9/34

CPC classification number: G01N29/022 ,  G01N5/02 ,  G01N9/34 ,  G01N11/16 ,  G01N29/028 ,  G01N2291/022 ,  G01N2291/0256 ,  G01N2291/02818 ,  G01N2291/0422 ,  G01N2291/0426 ,  H01L41/047 ,  H03H9/15 ,  H03H9/177 ,  H03H9/25

Abstract: A piezoelectric unit 1 includes a piezoelectric element that causes thickness shear vibration, a first electrode provided on one surface of the piezoelectric element, a second electrode and a third electrode which are provided on an opposite surface to the one surface which is provided with the first electrode of the piezoelectric element and are electrically insulated from each other, and a switching portion that is connected to the first electrode, the second electrode, and the third electrode, in which the switching portion can switch measurement modes between a mass/viscoelasticity measurement mode for measuring mass of a substance which is in contact with the piezoelectric element or viscoelasticity by vibrating the piezoelectric element, and an electrical characteristic measurement mode for measuring electrical characteristics between the second electrode and the third electrode.

公开(公告)号：US09562840B2

公开(公告)日：2017-02-07

申请号：US14593454

申请日：2015-01-09

Applicant: CAMBRIDGE VISCOSITY, INC.

Inventor： Janusz Tabis ,  Peter O'Shea ,  Daniel A. Airey ,  Viachaslau Urvantsau

IPC: G01N11/16 ,  G01N11/10 ,  G01D5/20

CPC classification number: G01N11/162 ,  G01D5/204 ,  G01N11/10

Abstract: A high precision, reciprocating bob viscometer is shown that has two coils (A and B) encircling a reciprocating bob. Coil A is energized with a combined sinusoidal and DC signal, while coil B senses the position of the reciprocating bob, then the functions of coils A and B are reversed. By use of a large digitally-generated near resonance frequency sinusoidal signal, noise is reduced because there is no need for amplification. The sensed signal amplitude measurement is in the digital time domain instead of through analog amplitude measurements, which further eliminates signal noise. These advancements provide faster, highly accurate, low noise measurements of bob position and velocity to determine fluid/gas viscosity and related properties using a reciprocating bob viscometer. These related properties include measurements of density, shear sensitivity, yield stress, and other measurements described in prior art patents.

Abstract translation: 显示了一种高精度的往复式摇杆粘度计，其具有包围往复摆锤的两个线圈（A和B）。 线圈A用组合的正弦和直流信号通电，而线圈B感测往复摆锤的位置，则线圈A和B的功能相反。 通过使用大量数字产生的近共振频率正弦信号，由于不需要放大，噪声降低。 感测的信号幅度测量是数字时域，而不是通过模拟幅度测量，这进一步消除了信号噪声。 这些进步提供了更快，高精度，低噪音的鲍勃位置和速度测量，以确定流体/气体粘度和相关性能，使用往复式鲍姆粘度计。 这些相关性质包括现有技术专利中描述的密度，剪切敏感性，屈服应力和其它测量的测量。

公开(公告)号：US09518906B2

公开(公告)日：2016-12-13

申请号：US13809622

申请日：2011-07-20

Applicant: Joseph H. Goodbread ,  Juerg Dual

Inventor： Joseph H. Goodbread ,  Juerg Dual

IPC: G01N11/16 ,  G01N29/02 ,  G01N9/00

CPC classification number: G01N11/16 ,  G01N9/002 ,  G01N11/162 ,  G01N29/02 ,  G01N2009/006

Abstract: A method for measuring the properties of a fluid that uses a torsionally resonant structure having a base structure; at least two parallel tines affixed to the base structure and projecting in the same direction from the base structure; and wherein the base structure is sufficiently compliant as to mutually couple the tines so that they behave as a single resonator when the tines are driven in synchronized manner. The torsionally resonant structure is immersed in the fluid to be measured and a tine driving mechanism is used to drive the tines torsionally. A tine movement sensing mechanism form measurements of tine movement response to the driving mechanism and the measurements of tine movement to form measurements of fluid properties.

Abstract translation: 一种测量使用具有基础结构的扭转共振结构的流体的性质的方法; 至少两个平行的齿固定到基部结构并且从基部结构沿相同的方向突出; 并且其中所述基座结构具有足够的顺应性，以便相互耦合所述尖齿，使得当所述尖齿以同步的方式被驱动时，所述基部结构作为单个谐振器。 扭转谐振结构被浸入要测量的流体中，并且使用齿驱动机构来扭转地驱动齿。 齿运动检测机构形成针对驱动机构的齿运动响应的测量以及齿运动的测量以形成流体性质的测量。

公开(公告)号：US09473070B2

公开(公告)日：2016-10-18

申请号：US14364098

申请日：2012-11-22

Applicant: Endress + Hauser GmbH + Co. KG

Inventor： Helmut Pfeiffer ,  Benjamin Mack

IPC: H01L41/09 ,  H01L41/113 ,  H01L41/053 ,  H03B5/30 ,  G01N9/00 ,  G01N11/16 ,  G01F23/296

CPC classification number: H03B5/30 ,  G01F23/2967 ,  G01N9/002 ,  G01N11/16

Abstract: An apparatus for determining and/or monitoring at least one process variable of a medium, comprising: an oscillatable unit, which has a membrane and at least one oscillatable element, wherein the oscillatable element is secured to the membrane at least in a first securement region and in a second securement region. At least one driving/receiving unit, which excites the oscillatable unit to execute mechanical oscillations and which produces a received signal dependent on the oscillations of the oscillatable unit; and a control/evaluation unit, which evaluates the received signal with reference to the process variable. The apparatus is distinguished by features including that the driving/receiving unit is embodied in such a manner and arranged on a rear face of the membrane facing away from the oscillatable element that the oscillatable element executes torsional oscillations.

Abstract translation: 一种用于确定和/或监测介质的至少一个过程变量的装置，包括：具有膜和至少一个可振荡元件的可振荡单元，其中所述可振动元件至少在第一固定区域 并在第二固定区域中。 至少一个驱动/接收单元，其激励可振荡单元执行机械振荡并且产生取决于可振荡单元的振荡的接收信号; 以及控制/评估单元，其参考过程变量来评估所接收的信号。 该装置的特征在于特征包括驱动/接收单元以这样一种方式实现并布置在膜的背面上，该背面远离可振动元件，可振动元件执行扭转振荡。

公开(公告)号：US20160274015A1

公开(公告)日：2016-09-22

申请号：US14915020

申请日：2014-08-27

Applicant: RHEOLUTION INC.

Inventor： Anis Redha HADJ HENNI ,  Cédric René SCHMITT

IPC: G01N11/16 ,  G01N3/34

CPC classification number: G01N11/16 ,  G01N3/32 ,  G01N3/34 ,  G01N11/10 ,  G01N2011/0026 ,  G01N2203/0005 ,  G01N2203/0019 ,  G01N2203/0023 ,  G01N2203/0094

Abstract: There is provided a system and method for the measurements of viscoelastic properties of a soft sample in which the system incorporates a sample holder that has a membrane with a flexural rigidity that is less than the flexural rigidity of the main body and allowing vibration of the membrane-sample vibration unit in response to a vibration excitation to create resonance vibration modes that are detected to derive the viscoelastic properties.

Abstract translation: 提供了一种用于测量软样品的粘弹性的系统和方法，其中系统包含具有抗弯刚度小于主体的抗弯刚度并允许膜的振动的膜的样品保持器 - 采样振动单元响应于振动激励以产生被检测以导出粘弹性质的共振振动模式。

公开(公告)号：US09448097B2

公开(公告)日：2016-09-20

申请号：US13807396

申请日：2011-06-20

Applicant: Sergej Lopatin ,  Martin Urban

Inventor： Sergej Lopatin ,  Martin Urban

IPC: G01F23/00 ,  G01D3/036 ,  G01F23/296 ,  G01K7/32 ,  G01N9/00 ,  G01N11/16

CPC classification number: G01F23/00 ,  G01D3/0365 ,  G01F23/2967 ,  G01K7/32 ,  G01N9/002 ,  G01N11/16

Abstract: An apparatus for determining and/or monitoring at least one process variable of a medium in a container which comprises a mechanically oscillatable structure, which has at least one oscillation characteristic dependent on the process variable, an electromechanical transducer having at least one piezoelectric element, which excites the structure, by means of an excitation signal supplied to the transducer, to execute mechanical oscillations, and which converts the resulting oscillations of the structure into a received signal, which corresponds to a superpositioning of the excitation signal and a wanted signal representing the oscillation. A reference element in parallel with the transducer and supplied with the excitation signal, via which a reference signal independent of the oscillation and corresponding to the excitation signal is tapped, and an electronics, which, based on the received signal and the reference signal, extracts the wanted signal, and, based on the wanted signal, determines and/or monitors the process variable, wherein, for automatic measuring of temperature of the transducer, the electronics includes a temperature measuring device, which supplies the transducer and the reference element, in temperature measurement operation, with an auxiliary signal, whose frequency lies outside a frequency range predetermined by a resonant frequency of the oscillatory structure, and, based on the wanted signal extracted in temperature measurement operation, determines a temperature of the transducer.

Abstract translation: 一种用于确定和/或监测容器中的介质的至少一个过程变量的装置，其包括具有取决于过程变量的至少一个振荡特性的机械可振荡结构，具有至少一个压电元件的机电换能器， 通过提供给换能器的激励信号来激发结构，以执行机械振荡，并且将结构的振荡转换成接收信号，其对应于激励信号的叠加和表示振荡的有用信号 。 与传感器并联并提供有激励信号的参考元件，通过该参考元件独立于振荡并对应于激励信号的参考信号被抽头，以及基于接收信号和参考信号提取的电子装置 所需信号，并且基于所需信号，确定和/或监视过程变量，其中，为了自动测量换能器的温度，电子器件包括温度测量装置，其将换能器和参考元件供应到 温度测量操作，其辅助信号的频率位于由振荡结构的谐振频率预定的频率范围之外，并且基于在温度测量操作中提取的有用信号来确定换能器的温度。

公开(公告)号：US20160231305A1

公开(公告)日：2016-08-11

申请号：US15028550

申请日：2014-10-09

Applicant: ARLANXEO DEUTSCHLAND GMBH

Inventor： Heike KLOPPENBURG ,  Alicia LE-SATTLER

IPC: G01N33/44 ,  C08C19/22 ,  C08C19/25 ,  G01N11/16

CPC classification number: G01N33/442 ,  C08C19/20 ,  C08C19/22 ,  C08C19/25 ,  C08L9/00 ,  G01N11/162

Abstract: The invention relates to a process for determining the degree of branching of modified polymers wherein the polymers are modified in the sense that their degree of branching after polymerization was increased once more, wherein the modified polymers are treated with a polar transformation mixture comprising a compound of general formula (I) R1—S—S—R1   (I) wherein the Mooney viscosity (ML 1+4 at 100° C.) of the polymers is determined before and after the treatment with the polar transformation mixture and the degree of branching is determined.

Abstract translation: 本发明涉及一种确定改性聚合物支化度的方法，其中聚合物在聚合后的支化度再次增加的意义上被修饰，其中改性聚合物用极性转化混合物处理，所述极性转化混合物包含 在极性转化混合物处理之前和之后测定聚合物的门尼粘度（ML 1 + 4，100℃时）的通式（I）R1-S-S-R1（I） 决心，决意，决定。

公开(公告)号：US20160223456A1

公开(公告)日：2016-08-04

申请号：US14917574

申请日：2013-09-09

Applicant: KOC UNIVERSITESI

Inventor： Hakan UREY ,  Goksenin YARALIOGLU

IPC: G01N21/17 ,  B01L3/00 ,  G01N11/16

CPC classification number: G01N21/1702 ,  B01L3/502715 ,  B01L3/50273 ,  B01L3/502761 ,  B01L2300/06 ,  B01L2300/0654 ,  B01L2300/16 ,  B01L2300/18 ,  G01N5/00 ,  G01N11/16 ,  G01N29/022 ,  G01N29/2418 ,  G01N2201/06113 ,  G01N2201/062 ,  G01N2201/068 ,  G01N2201/08 ,  G01N2291/012 ,  G01N2291/0256 ,  G01N2291/02818 ,  G01N2291/0427

Abstract: The present invention relates generally to the field of chemical and biological sensors and in particular to micro electro-mechanical systems (MEMS) sensors for measuring fluid viscosity and detection of minute amounts of chemicals and biological agents in fluids. It is an object of the present invention to provide a sensor that will work in disposable cartridges with remote sensing that can measure dynamic changes of the functionalized cantilevers in liquid and gas environment.

Abstract translation: 本发明一般涉及化学和生物传感器领域，特别涉及用于测量流体粘度的微机电系统（MEMS）传感器和检测流体中微量化学物质和生物制剂的领域。 本发明的一个目的是提供一种传感器，该传感器将在具有可测量液体和气体环境中功能化悬臂的动态变化的遥感的一次性盒中工作。

公开(公告)号：US09383298B2

公开(公告)日：2016-07-05

申请号：US13835564

申请日：2013-03-15

Applicant: Ronan Patrick O'Caoimh ,  James Walsh ,  Brendan Kevin Farrell ,  Rory Peter Nealon ,  Josef Georg Hubert Wiehe

Inventor： Ronan Patrick O'Caoimh ,  James Walsh ,  Brendan Kevin Farrell ,  Rory Peter Nealon ,  Josef Georg Hubert Wiehe

IPC: G01N1/38 ,  G01N11/10 ,  G01N11/14 ,  G01N11/16 ,  B01L3/00 ,  G01N21/03

CPC classification number: G01N1/38 ,  B01L3/5085 ,  B01L2300/0627 ,  B01L2300/0654 ,  B01L2300/0829 ,  B01L2300/0851 ,  G01N11/10 ,  G01N11/14 ,  G01N11/16 ,  G01N2011/147 ,  G01N2021/0378 ,  Y10T436/2575

Abstract: A well plate (1) for holding samples of a bodily fluid during analysis thereof, typically in an analytical apparatus, includes a plate (2) having a plurality of first wells (3) extending downwardly therefrom for holding a sample during optical analysis of the sample, and a plurality of second wells (4) for holding samples during mechanical analysis of the samples. A plurality of holding wells (8) are provided for initially receiving and holding samples of the bodily fluid to be analysed so that samples of relatively accurate size can be pipetted from the holding wells (8) to the first and second wells (3,4).

Abstract translation: 通常在分析装置中用于保持体液样本的孔板（1）包括板（2），其具有从其向下延伸的多个第一孔（3），用于在光学分析期间保持样品 样品和用于在样品的机械分析期间保持样品的多个第二孔（4）。 提供多个保持孔（8）用于最初接收和保持要分析的体液的样品，使得相对准确尺寸的样品可以从保持孔（8）移液到第一和第二孔（3,4） ）。