JP2012522244A - 圧力センサ - Google Patents
圧力センサ Download PDFInfo
- Publication number
- JP2012522244A JP2012522244A JP2012503367A JP2012503367A JP2012522244A JP 2012522244 A JP2012522244 A JP 2012522244A JP 2012503367 A JP2012503367 A JP 2012503367A JP 2012503367 A JP2012503367 A JP 2012503367A JP 2012522244 A JP2012522244 A JP 2012522244A
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- sensor unit
- membrane
- fluid system
- unit according
- 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.)
- Ceased
Links
- 239000012528 membrane Substances 0.000 claims abstract description 52
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 38
- 230000000295 complement effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035945 sensitivity Effects 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
- G01L19/0007—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
- 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
- G01L19/003—Fluidic connecting means using a detachable interface or adapter between the process medium and the pressure gauge
-
- 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
- G01L19/14—Housings
- G01L19/145—Housings with stress relieving means
- G01L19/146—Housings with stress relieving means using flexible element between the transducer and the support
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
【解決手段】流体系に密封装着される圧力センサユニットであって、取り付け部材と、取り付け部材を貫通し且つ圧力センサユニットが流体系に装着された場合に流体系と接触する開口部を有する膜空胴と、膜空胴の先端部に形成された膜と、膜撓みセンサとを具備し、膜は、取り付け部材の応力及び歪みから膜を隔離するように構成された応力隔離部材により取り付け部材から分離される圧力センサユニット。
【選択図】図2a
Description
20 圧力センサユニット
21 圧力センサユニット
30 接続筐体
40 センサ支持筐体
50 取り付け部材
60 密封面
70 膜空胴
80 開口部
90 膜
100 膜撓みセンサ
110 環状密封突起部
120 入口
130 出口
140 固着部材
150 支持ばね構成
200 応力隔離部材
210 薄肉管状部材
220 剛性隔離部材
Claims (10)
- 流体系に密封装着される圧力センサユニットであって、
取り付け部材と、
前記取り付け部材を貫通し且つ前記圧力センサユニットが前記流体系に装着された場合に前記流体系と接触する開口部を有する膜空胴と、
前記膜空胴の先端部に形成された膜と、
膜撓みセンサと
を具備し、前記膜が、前記取り付け部材の応力及び歪みから前記膜を隔離するように構成された応力隔離部材で前記取り付け部材から分離されている、圧力センサユニット。 - 前記応力隔離部材は、前記取り付け部材と前記膜とを相互に接続する薄肉管状部材である、請求項1記載の圧力センサユニット。
- 前記応力隔離部材は、前記薄肉管状部材と前記膜とを相互に接続する剛性隔離部材を具備する、請求項2記載の圧力センサユニット。
- 前記取り付け部材、前記応力隔離部材及び前記膜は、1つの材料片から一体に形成される、請求項1乃至請求項3のいずれか1項記載の圧力センサユニット。
- 前記圧力センサユニットはほぼ円形の横断面を有する、請求項1乃至請求項4のいずれか1項記載の圧力センサユニット。
- 前記取り付け部材はフランジ形である、請求項1乃至請求項5のいずれか1項記載の圧力センサユニット。
- 前記取り付け部材の外側にねじ山が形成されている、請求項1乃至請求項6のいずれか1項記載の圧力センサユニット。
- 前記取り付け部材は、前記膜空胴の前記開口部を取り囲む狭い領域により形成された密封面を具備し、前記密封面は、前記取り付け部材に密封力を加えることにより前記流体系の相補形密封面に圧接された場合に前記流体系に密封装着されるように構成される、請求項1乃至請求項7のいずれか1項記載の圧力センサユニット。
- 接続筐体と、センサ支持筐体と、請求項1乃至請求項8のいずれか1項記載の圧力センサユニットとを具備する圧力センサアセンブリであって、
前記接続筐体は、前記圧力センサユニットに密封装着される相補形の密封面と、前記圧力センサユニットの前記膜空胴と流体連通する入口及び出口とを具備し、
前記センサ支持筐体は、前記接続筐体に関して前記圧力センサユニットを支持し且つ1つ以上の固着部材によって前記接続筐体に圧接されるように構成される圧力センサアセンブリ。 - 前記支持筐体は、前記圧力センサユニットを支持する支持ばね構成を具備する、請求項9記載の圧力センサアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0900415 | 2009-03-30 | ||
SE0900415-1 | 2009-03-30 | ||
PCT/SE2010/050340 WO2010114465A1 (en) | 2009-03-30 | 2010-03-29 | Pressure sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012522244A true JP2012522244A (ja) | 2012-09-20 |
Family
ID=42828548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012503367A Ceased JP2012522244A (ja) | 2009-03-30 | 2010-03-29 | 圧力センサ |
Country Status (4)
Country | Link |
---|---|
US (1) | US8915141B2 (ja) |
EP (1) | EP2414803A4 (ja) |
JP (1) | JP2012522244A (ja) |
WO (1) | WO2010114465A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02272337A (ja) * | 1989-03-07 | 1990-11-07 | Pfister Gmbh | 圧力センサ及びその製造方法 |
JP2001116642A (ja) * | 1999-10-14 | 2001-04-27 | Saginomiya Seisakusho Inc | 圧力センサの耐衝撃圧構造 |
JP2006343115A (ja) * | 2005-06-07 | 2006-12-21 | Horiba Stec Co Ltd | 静電容量型圧力計の取付構造 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7415668A (nl) | 1974-12-02 | 1976-06-04 | Philips Nv | Drukopnemer. |
JPH01296130A (ja) | 1988-05-24 | 1989-11-29 | Nissan Motor Co Ltd | 圧力センサ |
US5191798A (en) * | 1988-09-30 | 1993-03-09 | Kabushiki Kaisha Komatsu Seisakusho | Pressure sensor |
US5255427A (en) * | 1989-03-07 | 1993-10-26 | Pfister Gmbh | Ceramic hollow bodies and method of manufacturing such bodies |
US4939497A (en) * | 1989-04-18 | 1990-07-03 | Nippon Soken, Inc. | Pressure sensor |
DE4008156A1 (de) | 1990-03-15 | 1991-09-19 | Bosch Gmbh Robert | Drucksensor |
IL106790A (en) | 1992-09-01 | 1996-08-04 | Rosemount Inc | A capacitive pressure sensation consisting of the bracket and the process of creating it |
US5637802A (en) * | 1995-02-28 | 1997-06-10 | Rosemount Inc. | Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates |
US6229190B1 (en) | 1998-12-18 | 2001-05-08 | Maxim Integrated Products, Inc. | Compensated semiconductor pressure sensor |
JP4615076B2 (ja) | 1999-10-07 | 2011-01-19 | 古河電気工業株式会社 | 圧力測定用センサ |
US6601452B2 (en) * | 2000-06-05 | 2003-08-05 | Denso Corporation | Semiconductor pressure sensor having rounded corner portion of diaphragm |
US6910383B2 (en) * | 2002-12-23 | 2005-06-28 | Industrial Technology Research Institute | Isolated micro pressure sensor and method for making the same |
US6928880B2 (en) | 2003-11-03 | 2005-08-16 | Motorola, Inc. | High pressure sensor |
JP2005209548A (ja) | 2004-01-23 | 2005-08-04 | Ubukata Industries Co Ltd | 圧力センサー |
DE102004006201B4 (de) * | 2004-02-09 | 2011-12-08 | Robert Bosch Gmbh | Drucksensor mit Siliziumchip auf einer Stahlmembran |
JP2006038789A (ja) | 2004-07-30 | 2006-02-09 | Epson Toyocom Corp | 圧力センサ |
US7000478B1 (en) * | 2005-01-31 | 2006-02-21 | Texas Instruments Incorporated | Combined pressure and temperature transducer |
US7775119B1 (en) * | 2009-03-03 | 2010-08-17 | S3C, Inc. | Media-compatible electrically isolated pressure sensor for high temperature applications |
-
2010
- 2010-03-29 EP EP10759120A patent/EP2414803A4/en not_active Withdrawn
- 2010-03-29 WO PCT/SE2010/050340 patent/WO2010114465A1/en active Application Filing
- 2010-03-29 JP JP2012503367A patent/JP2012522244A/ja not_active Ceased
- 2010-03-29 US US13/262,169 patent/US8915141B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02272337A (ja) * | 1989-03-07 | 1990-11-07 | Pfister Gmbh | 圧力センサ及びその製造方法 |
JP2001116642A (ja) * | 1999-10-14 | 2001-04-27 | Saginomiya Seisakusho Inc | 圧力センサの耐衝撃圧構造 |
JP2006343115A (ja) * | 2005-06-07 | 2006-12-21 | Horiba Stec Co Ltd | 静電容量型圧力計の取付構造 |
Also Published As
Publication number | Publication date |
---|---|
WO2010114465A1 (en) | 2010-10-07 |
US20120024070A1 (en) | 2012-02-02 |
EP2414803A4 (en) | 2012-10-10 |
EP2414803A1 (en) | 2012-02-08 |
US8915141B2 (en) | 2014-12-23 |
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