JP2002505749A - 改良された電極支持体を備える容量型圧力変換器 - Google Patents
改良された電極支持体を備える容量型圧力変換器Info
- Publication number
- JP2002505749A JP2002505749A JP50451799A JP50451799A JP2002505749A JP 2002505749 A JP2002505749 A JP 2002505749A JP 50451799 A JP50451799 A JP 50451799A JP 50451799 A JP50451799 A JP 50451799A JP 2002505749 A JP2002505749 A JP 2002505749A
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- Prior art keywords
- assembly
- chamber
- diaphragm
- pressure
- insulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000004020 conductor Substances 0.000 claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- 239000012212 insulator Substances 0.000 claims abstract description 39
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 description 24
- 239000003990 capacitor Substances 0.000 description 18
- 239000012530 fluid Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
- G01L19/0618—Overload protection
-
- 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
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.圧力変換器組立体において、 (A)内側キャビティを画定する本体と、 (B)該本体内に取り付けられ且つ前記内側キャビティを第一のチャンバ及び 第二のチャンバに分割するダイヤフラムであって、該ダイヤフラムの一部分が、 前記第一のチャンバ内の圧力が前記第二のチャンバ内の圧力よりも高圧であるこ とに応答して、第一の方向に撓み、ダイヤフラムの前記部分が、前記第二のチャ ンバ内の圧力が前記第一のチャンバ内の圧力よりも高圧であることに応答して、 前記第一の方向と反対の第二の方向に撓む、ダイヤフラムと、 (C)前記第一のチャンバ内にて前記本体に固定された板と、 (D)前記第一のチャンバ内に配置され且つ前記板に固定された絶縁体と、 (E)前記絶縁体上に配置された導体とを備え、前記導体及び前記ダイヤフラ ムが、前記第一及び第二のチャンバ内の前記圧力間の差を表わす容量によって特 徴付けられる、圧力変換器組立体。 2.請求項1に記載の組立体において、前記板及び前記本体が金属製である、 組立体。 3.請求項2に記載の組立体において、前記板が前記本体に溶接される、組立 体。 4.請求項1に記載の組立体において、前記絶縁体がセラミック材料から成る 、組立体。 5.請求項1に記載の組立体において、前記絶縁体の中央部分のみが前記板に 固定され、前記絶縁体の外周と前記本体との間に空隙が提供される、組立体。 6.請求項1に記載の組立体において、前記絶縁体と前記板との間に配置され たスペーサを更に備える、組立体。 7.請求項1に記載の組立体において、前記板が、前記絶縁体の基端側に配置 されたスペーサを備える、組立体。 8.請求項1に記載の組立体において、導電性のフィードスルーを更に備え、 該フィードスルーの一端が前記第一のチャンバ内に配置され、前記フィードスル ーの他端が前記本体の外側にあり、前記フィードスルーが前記板及び前記本体の 穴を貫通して伸長し、該フィードスルーが前記導体と電気的に接続され且つ前記 板及び前記本体から電気的に絶縁される、組立体。 9.圧力変換器組立体において、 (A)内側キャビティを画定する本体と、 (B)該本体内に取り付けられ且つ前記内側キャビティを第一のチャンバ及び 第二のチャンバに分割するダイヤフラムであって、該ダイヤフラムの一部分が、 前記第一のチャンバ内の圧力が前記第二のチャンバ内の圧力よりも高圧であるこ とに応答して、第一の方向に撓み、ダイヤフラムの前記部分が、前記第二のチャ ンバ内の圧力が前記第一のチャンバ内の圧力よりも高圧であることに応答して、 前記第一の方向と反対の第二の方向に撓む、ダイヤフラムと、 (C)前記第一のチャンバ内にて前記本体に固定された板と、 (D)前記第一のチャンバ内に配置された絶縁体と、 (E)前記絶縁体の中央部分を前記板に固定する締結具と、 (F)前記絶縁体上に配置された導体とを備え、前記導体及び前記ダイヤフラ ムが、前記第一及び第二のチャンバ内の前記圧力間の差を表わす容量によって特 徴付けられる、圧力変換器組立体。 10.請求項9に記載の組立体において、前記締結具がねじから成る、組立体。 11.請求項9に記載の組立体において、前記締結具がリベットから成る、組立 体。 12.請求項9に記載の組立体において、前記締結具が接着剤から成る、組立体 。 13.請求項9に記載の組立体において、前記板が前記絶縁体を堅固に支持する 、組立体。 14.請求項9に記載の組立体において、前記本体及び前記板が金属製である、 組立体。 15.請求項14に記載の組立体において、前記板が前記本体に溶接される、組 立体。 16.圧力変換器組立体において、 (A)内側キャビティを画定する本体と、 (B)該本体内に取り付けられ且つ前記内側キャビティを第一のチャンバ及び 第二のチャンバに分割するダイヤフラムであって、該ダイヤフラムの一部分が、 前記第一のチャンバ内の圧力が前記第二のチャンバ内の圧力よりも高圧であるこ とに応答して、第一の方向に撓み、ダイヤフラムの前記部分が、前記第二のチャ ンバ内の圧力が前記第一のチャンバ内の圧力よりも高圧であることに応答して、 前記第一の方向と反対の第二の方向に撓む、ダイヤフラムと、 (C)前記第一のチャンバ内にて前記本体に固定された板と、 (D)前記第一のチャンバ内に配置された絶縁体と、 (E)前記板と前記絶縁体との間に配置されたスペーサと、 (F)前記絶縁体の中央部分及び前記スペーサを前記板に固定する締結具と、 (G)前記絶縁体上に配置された導体とを備え、前記導体及び前記ダイヤフラ ムが、前記第一及び第二のチャンバ内の前記圧力間の差を表わす容量によって特 徴付けられる、圧力変換器組立体。 17.請求項16に記載の組立体において、前記締結具がねじから成る、組立体 。 18.請求項16に記載の組立体において、前記締結具がリベットから成る、組 立体。 19.請求項16に記載の組立体において、前記締結具が接着剤から成る、組立 体。 20.請求項16に記載の組立体において、前記本体及び前記板が金属製である 、組立体。 21.請求項20に記載の組立体において、前記板が前記本体に溶接される、組 立体。 22.圧力変換器組立体において、 (A)内側キャビティを画定する金属製本体と、 (B)該本体内に取り付けられ且つ前記内側キャビティを第一のチャンバ及び 第二のチャンバに分割するダイヤフラムであって、該ダイヤフラムの一部分が、 前記第一のチャンバ内の圧力が前記第二のチャンバ内の圧力よりも高圧であるこ とに応答して、第一の方向に撓み、ダイヤフラムの前記部分が、前記第二のチャ ンバ内の圧力が前記第一のチャンバ内の圧力よりも高圧であることに応答して、 前記第一の方向と反対の第二の方向に撓む、ダイヤフラムと、 (C)前記第一のチャンバ内にて前記金属製本体の少なくとも一部分に固定さ れた金属製部材と、 (D)前記第一のチャンバ内に配置され且つ前記金属製部材に固定された絶縁 体と、 (E)前記絶縁体上に配置された導体とを備え、前記導体及び前記ダイヤフラ ムが、前記第一及び第二のチャンバ内の前記圧力間の差を表わす容量によって特 徴付けられる、圧力変換器組立体。 23.圧力変換器組立体において、 (A)内側キャビティを画定する本体と、 (B)該本体内に取り付けられ且つ前記内側キャビティを第一のチャンバ及び 第二のチャンバに分割するダイヤフラムであって、該ダイヤフラムの一部分が、 前記第一のチャンバ内の圧力が前記第二のチャンバ内の圧力よりも高圧であるこ とに応答して、第一の方向に撓み、ダイヤフラムの前記部分が、前記第二のチャ ンバ内の圧力が前記第一のチャンバ内の圧力よりも高圧であることに応答して、 前記第一の方向と反対の第二の方向に撓む、ダイヤフラムと、 (C)前記第一及び第二のチャンバの一方内に配置された導体とを備え、前記 導体及び前記ダイヤフラムが、前記第一及び第二のチャンバ内の前記圧力間の差 を表わす容量によって特徴付けられることと、 (D)前記1つのチャンバ内に配置され、前記導体を前記ダイヤフラムから離 れるように偏倚させる弾性的要素とを備える、圧力変換器組立体。 24.請求項23に記載の組立体において、絶縁体を更に備え、前記導体が該絶 縁体上に配置される、組立体。 25.請求項24に記載の組立体において、前記弾性的要素が前記本体の一部分 及び前記絶縁体の一部分に接触する、組立体。 26.請求項23に記載の組立体において、前記本体が、側壁及びカバーを備え 、該側壁の下方部分が前記ダイヤフラムの一部分に固定され、前記カバーの一部 分が前記側壁の上方部分に固定され、前記側壁、前記カバー及び前記ダイヤフラ ムが前記第一のチャンバを画定する、組立体。 27.請求項26に記載の組立体において、絶縁体を更に備え、前記導体が該絶 縁体上に配置される、組立体。 28.請求項27に記載の組立体において、前記弾性的要素が前記絶縁体を前記 ダイヤフラムから離れて前記カバーに向けて偏倚させる、組立体。 29.請求項28に記載の組立体において、前記弾性的要素の一部分が前記側壁 に接触する、組立体。 30.請求項28に記載の組立体において、前記弾性的要素の一部分を前記カバ ーと接触する状態に保持する締結具を更に備える、組立体。 31.請求項28に記載の組立体において、前記カバーが、前記絶縁体が前記ダ イヤフラムから離れる方向に動くのを確実に防止する、組立体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/880,035 US5911162A (en) | 1997-06-20 | 1997-06-20 | Capacitive pressure transducer with improved electrode support |
US08/880,035 | 1997-06-20 | ||
PCT/US1998/011645 WO1998059228A2 (en) | 1997-06-20 | 1998-06-04 | Capacitive pressure transducer with improved electrode support |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002505749A true JP2002505749A (ja) | 2002-02-19 |
JP4264672B2 JP4264672B2 (ja) | 2009-05-20 |
Family
ID=25375383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50451799A Expired - Lifetime JP4264672B2 (ja) | 1997-06-20 | 1998-06-04 | 改良された電極支持体を備える容量型圧力変換器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5911162A (ja) |
EP (1) | EP0990127B1 (ja) |
JP (1) | JP4264672B2 (ja) |
KR (1) | KR100423596B1 (ja) |
DE (1) | DE69807876T2 (ja) |
TW (1) | TW392067B (ja) |
WO (1) | WO1998059228A2 (ja) |
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- 1998-06-04 DE DE69807876T patent/DE69807876T2/de not_active Expired - Lifetime
- 1998-06-04 JP JP50451799A patent/JP4264672B2/ja not_active Expired - Lifetime
- 1998-06-04 EP EP98928908A patent/EP0990127B1/en not_active Expired - Lifetime
- 1998-06-04 WO PCT/US1998/011645 patent/WO1998059228A2/en active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
EP0990127A2 (en) | 2000-04-05 |
DE69807876T2 (de) | 2003-05-28 |
KR100423596B1 (ko) | 2004-03-22 |
JP4264672B2 (ja) | 2009-05-20 |
DE69807876D1 (de) | 2002-10-17 |
WO1998059228A2 (en) | 1998-12-30 |
EP0990127B1 (en) | 2002-09-11 |
KR20010013934A (ko) | 2001-02-26 |
WO1998059228A3 (en) | 1999-03-18 |
US5911162A (en) | 1999-06-08 |
TW392067B (en) | 2000-06-01 |
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