JP7431332B2 - プロセス流体障壁のあるセンサ用途に使用されるプロセス通気機能部 - Google Patents
プロセス流体障壁のあるセンサ用途に使用されるプロセス通気機能部 Download PDFInfo
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/0023—Fluidic connecting means for flowthrough systems having a flexible pressure transmitting element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
- G01L7/082—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type construction or mounting of diaphragms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/0038—Fluidic connecting means being part of the housing
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- G—PHYSICS
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- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/0046—Fluidic connecting means using isolation membranes
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- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/02—Arrangements for preventing, or for compensating for, effects of inclination or acceleration of the measuring device; Zero-setting means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0645—Protection against aggressive medium in general using isolation membranes, specially adapted for protection
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- G—PHYSICS
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- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
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- G—PHYSICS
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- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Description
産業用プロセス制御システムは、プロセス流体や気体などの物質を、生産又は移送する産業用プロセス(工程)を、監視及び制御するために使用される。このようなシステムでは、通常、圧力、温度、流量などの「プロセス変数」を測定することが重要である。プロセス変数送信機は、このようなプロセス変数を測定し、測定されたプロセス変数に関連する情報を、中央制御室などの判断する場所に送信するために使用される。
Claims (20)
- 圧力送信機であって、
ハウジング、
加えられた圧力に応じて変化する電気的特性を有する圧力センサであって、プロセス流圧を示すセンサ信号を生成するように構成された前記圧力センサ、
前記圧力センサに圧力を伝えるために、プロセス障壁密封部に結合するように構成された送信機隔離用隔膜、
前記送信機隔離用隔膜に結合されたフランジであって、前記送信機隔離用隔膜の外径から延伸される少なくとも1つの気体経路を含む、前記フランジ、及び、
前記圧力センサに結合され、前記センサ信号を受信し、前記圧力を示す出力を生成する電子機器、
を含む前記圧力送信機。 - 前記電子機器は、前記センサ信号を受信し、前記出力を計算するように構成されたマイクロプロセッサを含む、請求項1に記載の圧力送信機。
- 前記少なくとも1つの気体経路は、前記送信機フランジの表面上に画定されている、請求項1に記載の圧力送信機。
- 前記少なくとも1つの気体経路は、半径方向成分を含む、請求項1に記載の圧力送信機。
- 前記気体経路は、前記送信機隔離用隔膜の前記外径から延伸される溝を含む、請求項4に記載の圧力送信機。
- 前記気体経路は、前記送信機隔離用隔膜の前記外径から延伸される螺旋状の溝を含む、請求項4に記載の圧力送信機。
- 前記気体経路から前記圧力送信機の外部に延伸される通気孔をさらに含む、請求項1に記載の圧力送信機。
- 前記通気孔は、圧力を制御するための圧力発生器に結合されている、請求項7に記載の圧力送信機。
- 前記圧力発生器は、真空発生器である、請求項8に記載の圧力送信機。
- 前記気体経路は、前記送信機隔離用隔膜の表面粗部によって形成される、請求項1に記載の圧力送信機。
- 圧力送信機の設置物であって、
送信機ハウジング、
前記送信機ハウジング内に配置された電子機器、
前記送信機ハウジングに結合され、送信機隔離用隔膜を有する送信機フランジ、
プロセス流体に結合可能なプロセスコネクタであって、プロセス密封隔膜を有する前記プロセスコネクタ、
前記プロセスコネクタに結合されたプロセスコネクタフランジ、
前記送信機ハウジング内に配置され、前記電子機器に結合された圧力センサであって、加えられる圧力によって変化する電気的特性を有する圧力センサ、及び、
前記送信機隔離用隔膜と前記プロセス密封隔膜との間に配置された気体透過性層、
を含む前記圧力送信機の設置物。 - 前記気体透過性層は、前記送信機隔離用隔膜と前記プロセス密封隔膜との間に介在する気体透過性材料層を含む、請求項11に記載の圧力送信機の設置物。
- 前記気体透過性層は、前記送信機隔離用隔膜及び前記プロセス密封隔膜のうちの一方の少なくとも一部を形成する、請求項11に記載の圧力送信機の設置物。
- 前記気体透過性層は、前記送信機隔離用隔膜の少なくとも一部を形成する、請求項11に記載のプロセス圧力送信機の設置物。
- 前記気体透過性層は、前記プロセス密封隔膜の上面を含む、請求項11に記載のプロセス圧力送信機の設置物。
- 前記プロセス密封隔膜の前記上面は、前記気体透過性層の表面粗部によって形成された空気放出面を含む、請求項15に記載の圧力送信機の設置物。
- 圧力送信機の設置物内の空気を排気する方法であって、
プロセスコネクタを有する流体システムを提供することであって、前記プロセスコネクタがプロセス障壁隔膜を有すること、
送信機隔離用隔膜を前記プロセス障壁隔膜に接触させ、それらの間に境界面を形成させることによって、圧力送信機を前記プロセスコネクタに結合させること、
前記境界面から気体を逃がすための気体経路を提供すること、及び、
前記境界面から気体を排気すること、
を含む前記方法。 - 前記気体経路は、溝を含む、請求項17に記載の方法。
- 前記気体経路は、気体透過性材料を含む、請求項17に記載の方法。
- 前記気体経路には、真空源が動作可能に結合されることをさらに含む、請求項17に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/728,176 US11371902B2 (en) | 2019-12-27 | 2019-12-27 | Process venting feature for use in sensor applications with a process fluid barrier |
US16/728,176 | 2019-12-27 | ||
PCT/US2020/065860 WO2021133652A1 (en) | 2019-12-27 | 2020-12-18 | Process venting feature for use in sensor applications with a process fluid barrier |
Publications (2)
Publication Number | Publication Date |
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JP2023508433A JP2023508433A (ja) | 2023-03-02 |
JP7431332B2 true JP7431332B2 (ja) | 2024-02-14 |
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JP2022539185A Active JP7431332B2 (ja) | 2019-12-27 | 2020-12-18 | プロセス流体障壁のあるセンサ用途に使用されるプロセス通気機能部 |
Country Status (6)
Country | Link |
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US (1) | US11371902B2 (ja) |
EP (1) | EP4081766A4 (ja) |
JP (1) | JP7431332B2 (ja) |
CN (2) | CN214251346U (ja) |
CA (1) | CA3163011A1 (ja) |
WO (1) | WO2021133652A1 (ja) |
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US11371902B2 (en) * | 2019-12-27 | 2022-06-28 | Rosemount Inc. | Process venting feature for use in sensor applications with a process fluid barrier |
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CN113049170A (zh) | 2021-06-29 |
JP2023508433A (ja) | 2023-03-02 |
US11371902B2 (en) | 2022-06-28 |
US20210199530A1 (en) | 2021-07-01 |
EP4081766A1 (en) | 2022-11-02 |
CA3163011A1 (en) | 2021-07-01 |
CN113049170B (zh) | 2023-03-24 |
CN214251346U (zh) | 2021-09-21 |
WO2021133652A1 (en) | 2021-07-01 |
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