公开(公告)号：US12181316B2

公开(公告)日：2024-12-31

申请号：US17904411

申请日：2021-01-28

Applicant: Endress+Hauser SE+Co. KG

Inventor： Jan Schleiferböck ,  Tobias Brengartner ,  Sergey Lopatin ,  Julia Rosenheim

IPC: G01F1/66 ,  G01F1/32 ,  G01F23/296 ,  G01N9/00 ,  G01N11/16

Abstract: A device for determining and/or monitoring at least one process variable of a medium in a container includes four, rod-shaped elements arranged on a membrane, three piezoelectric elements and an electronics system, wherein one first and one second rod-shaped element are arranged and configured such that they form a mechanically vibratable unit, wherein the device is configured to excite the vibratable unit via an excitation signal to create mechanical oscillations, to receive the mechanical oscillations of the vibratable unit, to convert them into a first received signal, to transmit a transmitted signal, and to receive a second received signal, and wherein the electronics system is configured to determine the at least one process variable based on the first and/or second received signal.

公开(公告)号：US12169169B2

公开(公告)日：2024-12-17

申请号：US15577893

申请日：2015-06-08

Applicant: Micro Motion, Inc.

Inventor： Patrick John Zimmer ,  Steven M Jones ,  John Ansdell Houghton ,  Paul Benedetti

IPC: G01N11/16 ,  F02D33/00 ,  F02D41/00 ,  F02D41/06 ,  F02M37/00 ,  G01F1/84 ,  G01N29/02 ,  G01N29/44 ,  G05D24/02

Abstract: A method of controlling a viscosity of fuel in a fuel control system with a vibratory meter is provided. The method includes providing the fuel to the vibratory meter, measuring a property of the fuel with the vibratory meter, and generating a signal based on the measured property of the fuel. The method also includes providing the signal to a temperature control unit configured to control the temperature of the fuel provided to the vibratory meter.

公开(公告)号：US12135268B2

公开(公告)日：2024-11-05

申请号：US17721550

申请日：2022-04-15

Applicant: Anton Paar GmbH

Inventor： Timothy Aschl ,  Denis Schuetz

IPC: G01N11/16 ,  G01N11/14 ,  G01N11/00

Abstract: A method for determining the sticky point of powder samples includes introducing a sample into a first measuring part, placing a second measuring part above the first measuring part to delimit a sample chamber, using a motor to drive the measuring parts relative to one another, using a force application unit to exert a force on the sample normal to a rotational plane of the measuring parts, using a measuring unit to record a torque or shear stress of the sample between the measuring parts, using a temperature-control unit or oven to apply a temperature profile to the sample while measuring the torque or shear stress, and supplying recorded measured values of the torque or shear stress and the sample temperature at measuring points to an evaluation unit. The evaluation unit determines the sticky point from the measured values of the torque or shear stress and the temperature.

公开(公告)号：US12111369B2

公开(公告)日：2024-10-08

申请号：US17756327

申请日：2020-11-09

Applicant: Endress+Hauser SE+Co. KG

Inventor： Mohammad Sadegh Ebrahimi ,  Franco Ferraro ,  Romuald Girardey ,  Raphael Kuhnen ,  Izabella Sandor ,  Ralf Wacker

IPC: G01R33/02 ,  G01F23/296 ,  G01K7/36 ,  G01N9/00 ,  G01N11/16

CPC classification number: G01R33/02 ,  G01F23/2966 ,  G01K7/36 ,  G01N9/002 ,  G01N11/16 ,  G01N2009/006

Abstract: A method for monitoring the condition of a coil, wherein the coil is part of a device for determining at least one process variable of a medium in a container, includes applying an electrical excitation signal to the coil and receiving an electrical reception signal from the coil, determining a first value for the reception signal at a first predefinable measurement time, comparing the first value for the reception signal at the first measurement time with a reference value, and determining a condition indicator for the coil on the basis of the comparison. Disclosed also is a device that is designed for carrying out the disclosed method.

公开(公告)号：US12104998B2

公开(公告)日：2024-10-01

申请号：US17702220

申请日：2022-03-23

Applicant: Government of the United States, as represented by the Secretary of the Air Force

Inventor： Jonathan E. Spowart ,  Colin Rowbottom ,  Carly S. Hauser ,  Eric A. Lindgren

IPC: G01N11/00 ,  G01N11/14 ,  G01N11/16

CPC classification number: G01N11/00 ,  G01N11/16 ,  G01N2011/0086 ,  G01N2011/147

Abstract: The present invention relates to devices for measuring property changes via in-situ micro-viscometry and methods of using same. The aforementioned device is inexpensive and can be used to quickly and accurately measure numerous physical and chemical property changes, including but not limited to the rate of chemical cure, change in tack, and rate of mass loss, for example, rate of moisture, solvent and/or plasticizer change.

公开(公告)号：US20240255406A1

公开(公告)日：2024-08-01

申请号：US18159586

申请日：2023-01-25

Applicant: National Tsing Hua University

Inventor： Wei-Chih Wang ,  Fiona Marie Wang

IPC: G01N11/16 ,  G02B6/132

CPC classification number: G01N11/16 ,  G02B6/132 ,  G01N2011/008

Abstract: Provided is a method for measuring fluid's viscosity and mass flow, including the steps of immersing one end of an optical fiber into fluid, emitting a light beam by a light source, receiving the light beam by the optical fiber; and measuring the viscosity and the mass flow of the fluid in a sink based on a displacement of the one end of the optical fiber. The method further includes tapering the one end of the optical fiber and coating a surface of the one end of the optical fiber with a deposited gold thin film as a mirror. The light source is an unpolarized diode laser. Accordingly, the size of the measurement system setup is reduced by using ultra-small sensors. Moreover, the present disclosure also provides methods for fluid's viscosity and mass flow measurement by using intensity modulating sensors, elliptical core two-mode fiber-optic sensors and Fabry-Perot interferometer sensors.

公开(公告)号：US12044659B2

公开(公告)日：2024-07-23

申请号：US17618329

申请日：2020-05-06

Applicant: Endress+Hauser SE+Co. KG

Inventor： Jan Schleiferböck ,  Tobias Brengartner ,  Sergey Lopatin ,  Thorsten Springmann ,  Raphael Kuhnen

IPC: G01N29/44 ,  G01N29/14 ,  G01N29/32 ,  G01N9/24 ,  G01N11/16

CPC classification number: G01N29/4436 ,  G01N29/14 ,  G01N29/326 ,  G01N9/24 ,  G01N11/16

Abstract: A device and a method for determining and/or monitoring at least one process variable of a medium include a sensor unit having a mechanically oscillatable unit, at least a first piezoelectric element, a temperature detection unit for determining and/or monitoring a temperature of the medium and an electronics unit. The device is embodied to excite the mechanically oscillatable unit by means of an excitation signal such that mechanical oscillations are executed, to receive mechanical oscillations of the oscillatable unit and convert them into a first received signal, to transmit a transmitted signal and to receive a second received signal. The electronics unit is embodied, based on the first and/or second received signal, to determine the at least one process variable and, based on a third received signal received from the temperature detection unit, to determine the temperature of the medium.

公开(公告)号：US12013275B2

公开(公告)日：2024-06-18

申请号：US17639020

申请日：2020-08-03

Applicant: Endress+Hauser Flowtec AG

Inventor： Alfred Rieder ,  Vivek Kumar ,  Mattia Alioli

IPC: G01F15/02 ,  G01F1/84 ,  G01N11/16

CPC classification number: G01F15/02 ,  G01N11/16 ,  G01F1/84

Abstract: A method for determining a viscosity of a medium based on damping of an oscillation mode of a measurement tube comprises exciting oscillations of an oscillation mode; detecting a sequence of provisional damping measurement values for the measurement tube oscillation mode; and calculating target measurement values. The influence of the cross-sensitivity of the damping for the flow rate of the medium is corrected by determining rectified damping measurement values that correspond to damping when the medium is at rest and determining viscosity on the basis of the rectified damping measurement values, or correcting the influence of the cross-sensitivity of the damping for the flow rate of the medium by determining provisional intermediate values of a damping-dependent variable, determining rectified intermediate values that correspond to the intermediate values when the medium is at rest, and determining the target measurement values on the basis of the rectified intermediate values.

公开(公告)号：US11994420B2

公开(公告)日：2024-05-28

申请号：US17618590

申请日：2020-05-06

Applicant: Endress+Hauser SE+Co. KG

Inventor： Sergey Lopatin ,  Tobias Brengartner ,  Jan Schleiferböck ,  Thorsten Springmann ,  Raphael Kuhnen

IPC: G01F1/66 ,  G01F23/296 ,  G01N9/00 ,  G01N11/16

CPC classification number: G01F1/66 ,  G01F23/296 ,  G01N9/002 ,  G01N11/16

Abstract: A device and a method for determining and/or monitoring at least one process variable of a medium include a sensor unit having a mechanically oscillatable unit, at least a first piezoelectric element, a pressure detection unit for determining and/or monitoring a pressure, and an electronics unit. The device is embodied to excite the mechanically oscillatable unit using an excitation signal such that mechanical oscillations are executed, to receive mechanical oscillations of the oscillatable unit, to convert them into a first received signal, to transmit a transmitted signal and to receive a second received signal. The electronics unit is embodied, based on the first and/or second received signal, to determine the at least one process variable of the medium.

公开(公告)号：US11965808B2

公开(公告)日：2024-04-23

申请号：US17195208

申请日：2021-03-08

Applicant: TARABIOS SAGLIK TEKNOLOJILERI A.S.

Inventor： Hakan Urey ,  Goksen Goksenin Yaralioglu ,  Fehmi Civitci ,  Yusuf Samet Yaras ,  Gokhan Saglam

IPC: G01N11/02 ,  G01N9/00 ,  G01N11/10 ,  G01N11/16 ,  G01N11/00

CPC classification number: G01N11/02 ,  G01N9/002 ,  G01N11/10 ,  G01N11/16 ,  G01N2011/008

Abstract: A sensing device for measuring physical properties of fluid medium uses fiber based cantilevers embedded in a cartridge. The cartridge may include: at least one fluidic channel, at least one light channel, at least one chamber located at the intersection of the fluidic channel and the light channel, and at least one light guide placed in the light channel. The light guide is at least partially contained in the respective chamber. The light guide has a movable section. The vibration of the movable section may be externally actuatable.