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11.发明申请公开(公告)号：US20180149511A1
公开(公告)日：2018-05-31
申请号：US15569178
申请日：2016-04-26
Applicant: Endress + Hauser Flowtec AG
Inventor： Peter Ploss , Stefan Rupitsch , Michal Bezdek , Thomas Frohlich , Beat Kissling
CPC classification number: G01F25/0007 , G01F1/662 , G01F1/667 , G01F15/024 , G01N29/12 , G01N2291/2634
Abstract: A method for ascertaining at least one pipe wall resonance frequency of a pipeline in the region of a measuring point by means of a field device of process measurements technology having at least a first ultrasonic transducer, which is placed on the pipeline at the measuring point, comprising steps as follows: providing a first transfer function Utransducer(f) at least of the first or a plurality of ultrasonic transducers located in the region of the measuring point; ascertaining a received spectrum Urec(f) from a received signal Urec(t) after transmission of an ultrasonic signal; ascertaining a second transfer function Umeasuring point(f) from the first transfer function Utransducer(f) of the first or the plurality of ultrasonic transducers and from the received spectrum Urec(f), wherein the second transfer function Umeasuring point(f) is characteristic for the measuring point; and ascertaining the at least one pipe wall resonance frequency fres, especially a plurality of resonance frequencies, in the region of the measuring point by evaluating the second transfer function Umeasuring point(f) from step III, as well as a clamp-on, ultrasonic, flow measuring device, a method for ascertaining flow, a method for ascertaining a change of the measuring point and an identification device.
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公开(公告)号：US20180075832A1
公开(公告)日：2018-03-15
申请号：US15563646
申请日：2016-03-24
Applicant: Endress + Hauser Flowtec AG
Inventor： Yaoying Lin , Alfred Rieder , Wolfgang Drahm , Michal Bezdek , Pierre Ueberschlag
Abstract: An arrangement, comprising a housing wall, an ultrasonic transducer and a damping element with a longitudinal axis, which damping element connects the ultrasonic transducer with the housing wall. The ultrasonic transducer has an end piece with a medium-contacting surface, from which ultrasonic signals are transferred into a gaseous or liquid medium. The damping element is provided for body sound damping between the ultrasonic transducer and the housing wall, and wherein the damping element has at least one, especially a number of, oscillatory nodes, characterized in that there is arranged between the damping element and the housing wall at least a first sealing ring, which is positioned at a height of an oscillatory node.
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13.发明申请公开(公告)号：US20190101423A1
公开(公告)日：2019-04-04
申请号：US16086503
申请日：2017-02-13
Applicant: Endress+Hauser Flowtec AG
Inventor： Pierre Ueberschlag , Andreas Berger , Michal Bezdek
Abstract: The invention relates to an ultrasonic transducer with a housing, in which a transducer element for producing and detecting ultrasonic signals and an acoustic transformer are arranged, wherein the acoustic transformer is acoustically and mechanically coupled with the transducer element. The housing includes at least one housing body, which has at least one housing chamber with a housing wall, which housing wall at least partially surrounds the acoustic transformer, wherein the housing is acoustically and mechanically connected with a measuring tube wall or a container wall and wherein the acoustic transformer is connected or connectable mechanically with the housing via a lateral surface of the acoustic transformer by means of a first acoustic insulation, especially an annular first acoustic insulation.
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公开(公告)号：US09970796B2
公开(公告)日：2018-05-15
申请号：US14399068
申请日：2013-04-25
Applicant: Endress + Hauser Flowtec AG
Inventor： Michal Bezdek , Pierre Ueberschlag
CPC classification number: G01F1/66 , G01F1/667 , G01F1/668 , G01F25/0007
Abstract: A method for monitoring the operating state of a first ultrasonic transducer in an ultrasonic, flow measuring device having at least one measuring tube and at least two ultrasonic transducers, including steps as follows: a) providing a first value or a plurality of first values, which relate to the geometric arrangement of the first ultrasonic transducer in the measuring tube and/or to the geometric arrangement of the first ultrasonic transducer relative to a second ultrasonic transducer; b) ascertaining a second value or a plurality of second values for a flow velocity of a medium located in the measuring tube c) providing a third value and/or a plurality of third values for temperature and/or pressure of the medium located in the measuring tube; d) simulating a desired value of a signal strength taking into consideration the first, second and/or third values; and e) comparing the simulated desired value of a signal strength with an ascertained real value of the signal strength.
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公开(公告)号：US20160093280A1
公开(公告)日：2016-03-31
申请号：US14893105
申请日：2014-04-25
Applicant: ENDRESS+HAUSER FLOWTEC AG
Inventor： Pierre Ueberschlag , Michal Bezdek , Andreas Berger
CPC classification number: G10K11/004 , G01F1/662 , G01F15/18 , G01N29/222 , G01N29/223
Abstract: Disclosed is an ultrasonic transducer mounting assembly comprising an ultrasonic transducer element, a transducer housing inside which the ultrasonic transducer element is arranged, and an accommodation unit inside which the transducer housing is clamped in a clamping section. The disclosed assembly is characterized in that the clamping section comprises at least one bearing that has at least one rolling element, in particular at least one ball bearing that has at least one ball, for acoustically decoupling the transducer housing from the accommodation unit.
Abstract translation: 公开了一种超声波换能器安装组件，其包括超声换能器元件，其中布置有超声波换能器元件的换能器壳体和容纳单元，所述换能器壳体夹在其中夹持部分。 所公开的组件的特征在于，夹紧部分包括至少一个轴承，其具有至少一个滚动元件，特别是具有至少一个球的至少一个滚珠轴承，用于将换能器壳体与调节单元进行声学解耦。
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Patent Agency Ranking
16.发明授权公开(公告)号：US11933657B2
公开(公告)日：2024-03-19
申请号：US17416168
申请日：2019-11-21
Applicant: Endress+Hauser Flowtec AG
Inventor： Guido Schwanekamp , Michal Bezdek , Achim Wiest , Beat Kissling
Abstract: A method for putting into operation and/or checking an ultrasonic, flow measuring point using a service unit, wherein the service unit has a display unit and a camera, wherein the measuring point includes a pipeline for conveying a medium and at least one ultrasonic transducer, includes identifying the measuring point vis a vis the service unit; ascertaining settable parameters based on the identity of the measuring point; registering geometric data of at least one part of the measuring point by means of the camera; analyzing registered geometric data and deriving at least one parameter value for at least one of the parameters to be set based on the analytical result and the identity; ascertaining at least one optimum mounting position based at least on the derived parameter value; and mounting an ultrasonic transducer at one of the ascertained optimum mounting positions.
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公开(公告)号：US10989577B2
公开(公告)日：2021-04-27
申请号：US15753304
申请日：2016-07-26
Applicant: Endress+Hauser Flowtec AG
Inventor： Michal Bezdek , Pierre Ueberschlag , Andreas Berger , Frank Wandeler
Abstract: The invention relates to an ultrasonic transducer comprising an acoustic transformer, wherein the acoustic transformer has a transformer body having a hollow space, and there lies between the hollow space and the medium a membrane, whose center oscillates freely. Furthermore, the invention relates to methods for manufacturing such an acoustic transformer.
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公开(公告)号：US10895479B2
公开(公告)日：2021-01-19
申请号：US16493383
申请日：2018-02-15
Applicant: Endress+Hauser Flowtec AG
Inventor： Panagiotis Papathanasiou , Michal Bezdek , Vivek Kumar , Oliver Berberig
IPC: G01F1/66
Abstract: The present disclosure describes an ultrasonic flowmeter including: a measuring tube with a measuring tube wall and at least one pair of housings extending to an outer side of the measuring tube wall; a pair of ultrasonic transducers, each with a transducing element for generating and/or sensing ultrasonic pulses and a transducer body, wherein each of the housings is arranged to house one of the transducers, and wherein the housings have an inner first diameter; wherein transducer body includes a circumferential surface, and wherein the transducer body includes an end face, wherein the end face has a second diameter, and wherein the transducer includes at least one first protrusion protruding from the circumferential surface into a gap between the transducer body and the housing.
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19.发明授权公开(公告)号：US10677623B2
公开(公告)日：2020-06-09
申请号：US16222472
申请日：2018-12-17
Applicant: Endress+Hauser Flowtec AG
Inventor： Andreas Berger , Gotthard Liehr , Michal Bezdek , Beat Kissling , Quirin Müller
Abstract: A measuring device for measuring flow and/or composition of a measured medium in a pipe or tube by registering an ultrasonic measurement signal includes a measurement transmitter and a connection adapter for mechanical securement of the measurement transmitter on the pipe or tube, in which the connection adapter has a longitudinal axis and the measuring device includes a measuring transducer element and at least one metal hose, wherein at least one signal transmission cable is arranged in the metal hose for signal transmission between the measurement transmitter and a sensor element, and wherein the metal hose mechanically connects the measuring transducer element with the connection adapter.
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公开(公告)号：US20200072649A1
公开(公告)日：2020-03-05
申请号：US16493383
申请日：2018-02-15
Applicant: Endress+Hauser Flowtec AG
Inventor： Panagiotis Papathanasiou , Michal Bezdek , Vivek Kumar , Oliver Berberig
IPC: G01F1/66
Abstract: The present disclosure describes an ultrasonic flowmeter including: a measuring tube with a measuring tube wall and at least one pair of housings extending to an outer side of the measuring tube wall; a pair of ultrasonic transducers, each with a transducing element for generating and/or sensing ultrasonic pulses and a transducer body, wherein each of the housings is arranged to house one of the transducers, and wherein the housings have an inner first diameter; wherein transducer body includes a circumferential surface, and wherein the transducer body includes an end face, wherein the end face has a second diameter, and wherein the transducer includes at least one first protrusion protruding from the circumferential surface into a gap between the transducer body and the housing.
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