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公开(公告)号：US11692962B2
公开(公告)日：2023-07-04
申请号：US17583745
申请日：2022-01-25
申请人： Mettler-Toledo GmbH
发明人： Juan Limon Petersen , Andreas Rutz
IPC分类号： G01N27/333 , G01N27/30 , G01N27/36 , G01K13/00
CPC分类号： G01N27/333 , G01K13/00 , G01N27/302 , G01N27/36
摘要： A measuring element is disclosed for an ion-sensitive solid-contact electrode for measuring ion activity in a measurement medium. An ion-sensitive solid-contact electrode having such a measuring element and an electrochemical sensor having such a solid-contact electrode are also disclosed. The measuring element can include an ion-sensitive layer arranged to contact a measurement medium when in operation, and conductive to lithium ions; and a single-phase electrically conductive layer, which includes metallic lithium or a lithium-(0)-alloy. A solid-state electrolyte layer can be arranged between the ion-sensitive layer and the electrically conductive layer.
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公开(公告)号：US20220113282A1
公开(公告)日：2022-04-14
申请号：US17558698
申请日：2021-12-22
申请人： Mettler-Toledo GmbH
发明人： Andreas Rutz , Daniel Zwahlen
IPC分类号： G01N27/416 , G01N27/333 , G01N27/36
摘要： An electrochemical sensor for potentiometric measurements in a measurement medium has a sensor head (201) at an end of a longitudinal sensor body (203). A sensing electrode (210) and a reference electrode (220) are disposed within the longitudinal sensor body. A liquid junction (223) is established between the reference electrode and the sensing electrode. The sensor is characterized by a protective outer shaft (250) into which a polymeric tube-like structure (230) is disposed, electrically isolating the protective outer shaft from a reference electrolyte.
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公开(公告)号：US11686702B2
公开(公告)日：2023-06-27
申请号：US17558698
申请日：2021-12-22
申请人： Mettler-Toledo GmbH
发明人： Andreas Rutz , Daniel Zwahlen
IPC分类号： G01N27/416 , G01N27/36 , G01N27/333 , G01N27/403
CPC分类号： G01N27/4167 , G01N27/333 , G01N27/36 , G01N27/4161 , G01N27/4035
摘要： An electrochemical sensor for potentiometric measurements in a measurement medium has a sensor head (201) at an end of a longitudinal sensor body (203). A sensing electrode (210) and a reference electrode (220) are disposed within the longitudinal sensor body. A liquid junction (223) is established between the reference electrode and the sensing electrode. The sensor is characterized by a protective outer shaft (250) into which a polymeric tube-like structure (230) is disposed, electrically isolating the protective outer shaft from a reference electrolyte.
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公开(公告)号：US11726055B2
公开(公告)日：2023-08-15
申请号：US16942281
申请日：2020-07-29
申请人： Mettler-Toledo GmbH
CPC分类号： G01N27/36 , G01N27/302
摘要： Measurement unit for an ion-sensitive solid-state electrode, that serves to measure pH in a measurement solution, with a layered structure including an ion-sensitive glass layer with a first ring-shaped contact surface, an electrically conducting layer that directly or via at least one intermediate layer adheres to the ion-sensitive glass layer, and a substrate that adheres to the electrically conducting layer and is provided with a second ring-shaped contact surface; and with a holding member that is provided with a first ring-shaped sealing surface, a second ring-shaped sealing surface, and an annular section; wherein the first ring-shaped sealing surface is sealingly connected to the first ring-shaped contact surface, wherein the second ring-shaped sealing surface is connected to the second ring-shaped contact surface of the substrate, and wherein the first and second ring-shaped sealing surfaces of the holding member are sealingly connected by the annular section.
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公开(公告)号：US20200064306A1
公开(公告)日：2020-02-27
申请号：US16466125
申请日：2017-12-08
申请人： Mettler-Toledo GmbH
发明人： Andreas Rutz , Juan Limon Petersen
IPC分类号： G01N27/414 , G01N27/30 , G01N27/416 , G01N27/36
摘要： An electrochemical sensor (1, 101) has a sensor element (15, 115) with a measuring surface (8, 108) that faces a measuring medium (5) during use. The sensor element has a planar measuring element (2, 102). A sensor shaft (4, 104) has an aperture (13, 113) with a bezel (11, 111) at an end which, during use, faces the measuring medium. The sensor element is installed in the area of the aperture. The electrochemical sensor also has an annular sealing element (9, 109), which is arranged between the sensor element and the bezel. An insulator element (10, 110) is firmly and inseparably connected to the measuring element, exposing or recessing the measuring surface. Thus, the sealing element, which protects the electrochemical sensor against the ingress of measuring medium, is arranged sealingly between the insulator element and the bezel.
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公开(公告)号：US11327044B2
公开(公告)日：2022-05-10
申请号：US16466125
申请日：2017-12-08
申请人： Mettler-Toledo GmbH
发明人： Andreas Rutz , Juan Limon Petersen
IPC分类号： G01N27/32 , G01N27/36 , G01N27/414 , G01N27/30 , G01N27/416
摘要： An electrochemical sensor (1, 101) has a sensor element (15, 115) with a measuring surface (8, 108) that faces a measuring medium (5) during use. The sensor element has a planar measuring element (2, 102). A sensor shaft (4, 104) has an aperture (13, 113) with a bezel (11, 111) at an end which, during use, faces the measuring medium. The sensor element is installed in the area of the aperture. The electrochemical sensor also has an annular sealing element (9, 109), which is arranged between the sensor element and the bezel. An insulator element (10, 110) is firmly and inseparably connected to the measuring element, exposing or recessing the measuring surface. Thus, the sealing element, which protects the electrochemical sensor against the ingress of measuring medium, is arranged sealingly between the insulator element and the bezel.
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公开(公告)号：US11262328B2
公开(公告)日：2022-03-01
申请号：US16381145
申请日：2019-04-11
申请人： Mettler-Toledo GmbH
发明人： Juan Limon Petersen , Andreas Rutz
IPC分类号： G01N27/333 , G01N27/30 , G01N27/36 , G01K13/00
摘要： A measuring element is disclosed for an ion-sensitive solid-contact electrode for measuring ion activity in a measurement medium. An ion-sensitive solid-contact electrode having such a measuring element and an electrochemical sensor having such a solid-contact electrode are also disclosed. The measuring element can include an ion-sensitive layer arranged to contact a measurement medium when in operation, and conductive to lithium ions; and a single-phase electrically conductive layer, which includes metallic lithium or a lithium-(0)-alloy. A solid-state electrolyte layer can be arranged between the ion-sensitive layer and the electrically conductive layer.
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公开(公告)号：US11209386B2
公开(公告)日：2021-12-28
申请号：US15479574
申请日：2017-04-05
申请人： Mettler-Toledo GmbH
发明人： Andreas Rutz , Daniel Zwahlen
IPC分类号： G01N27/416 , G01N27/36 , G01N27/333 , G01N27/403
摘要： An electrochemical sensor for potentiometric measurements in a measurement medium has a sensor head (201) at an end of a longitudinal sensor body (203). A sensing electrode (210) and a reference electrode (220) are disposed within the longitudinal sensor body. A liquid junction (223) is established between the reference electrode and the sensing electrode. The sensor is characterized by a protective outer shaft (250) with a polymeric sensor sleeve (230), which is electrically isolating, disposed within the protective outer shaft.
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公开(公告)号：US20170299546A1
公开(公告)日：2017-10-19
申请号：US15479574
申请日：2017-04-05
申请人： Mettler-Toledo GmbH
发明人： Andreas Rutz , Franz Balsen
IPC分类号： G01N27/416 , G01N27/333
CPC分类号： G01N27/4167 , G01N27/333 , G01N27/36 , G01N27/4035 , G01N27/4161
摘要： An electrochemical sensor for potentiometric measurements in a measurement medium has a sensor head (201) at an end of a longitudinal sensor body (203). A sensing electrode (210) and a reference electrode (220) are disposed within the longitudinal sensor body. A liquid junction (223) is established between the reference electrode and the sensing electrode. The sensor is characterized by a protective outer shaft (250) with a polymeric sensor sleeve (230), which is electrically isolating, disposed within the protective outer shaft.
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