ATE240512T1 - Druckwandler mit einer gespannten membran - Google Patents

Druckwandler mit einer gespannten membran

Info

Publication number
ATE240512T1
ATE240512T1 AT98958002T AT98958002T ATE240512T1 AT E240512 T1 ATE240512 T1 AT E240512T1 AT 98958002 T AT98958002 T AT 98958002T AT 98958002 T AT98958002 T AT 98958002T AT E240512 T1 ATE240512 T1 AT E240512T1
Authority
AT
Austria
Prior art keywords
body member
diaphragm
peripheral rim
tension
forces
Prior art date
Application number
AT98958002T
Other languages
English (en)
Inventor
Shih-Ying Lee
Original Assignee
Setra Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Setra Systems Inc filed Critical Setra Systems Inc
Application granted granted Critical
Publication of ATE240512T1 publication Critical patent/ATE240512T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/43—Electric condenser making

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
AT98958002T 1997-12-02 1998-11-16 Druckwandler mit einer gespannten membran ATE240512T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/982,708 US6019002A (en) 1997-12-02 1997-12-02 Pressure transducer having a tensioned diaphragm
PCT/US1998/024435 WO1999028720A1 (en) 1997-12-02 1998-11-16 Pressure transducer having a tensioned diaphragm

Publications (1)

Publication Number Publication Date
ATE240512T1 true ATE240512T1 (de) 2003-05-15

Family

ID=25529432

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98958002T ATE240512T1 (de) 1997-12-02 1998-11-16 Druckwandler mit einer gespannten membran

Country Status (8)

Country Link
US (2) US6019002A (de)
EP (1) EP1038161B1 (de)
JP (1) JP2001525539A (de)
CN (1) CN1140784C (de)
AT (1) ATE240512T1 (de)
CA (1) CA2286779A1 (de)
DE (1) DE69814680T2 (de)
WO (1) WO1999028720A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040099061A1 (en) * 1997-12-22 2004-05-27 Mks Instruments Pressure sensor for detecting small pressure differences and low pressures
US6807865B2 (en) 2002-02-04 2004-10-26 Dwyer Instruments, Inc. Pressure sensor with a radially tensioned metal diaphragm
US6768958B2 (en) * 2002-11-26 2004-07-27 Lsi Logic Corporation Automatic calibration of a masking process simulator
US6837112B2 (en) * 2003-03-22 2005-01-04 Stec Inc. Capacitance manometer having a relatively thick flush diaphragm under tension to provide low hysteresis
US7353713B2 (en) 2003-04-09 2008-04-08 Loadstar Sensors, Inc. Flexible apparatus and method to enhance capacitive force sensing
US7570065B2 (en) * 2006-03-01 2009-08-04 Loadstar Sensors Inc Cylindrical capacitive force sensing device and method
US7451659B2 (en) * 2004-09-29 2008-11-18 Loadstar Sensors, Inc. Gap-change sensing through capacitive techniques
US7137301B2 (en) 2004-10-07 2006-11-21 Mks Instruments, Inc. Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor
US7141447B2 (en) * 2004-10-07 2006-11-28 Mks Instruments, Inc. Method of forming a seal between a housing and a diaphragm of a capacitance sensor
US7204150B2 (en) * 2005-01-14 2007-04-17 Mks Instruments, Inc. Turbo sump for use with capacitive pressure sensor
US20060267321A1 (en) * 2005-05-27 2006-11-30 Loadstar Sensors, Inc. On-board vehicle seat capacitive force sensing device and method
US7181975B1 (en) * 2005-09-13 2007-02-27 Honeywell International Wireless capacitance pressure sensor
US8092414B2 (en) 2005-11-09 2012-01-10 Nxstage Medical, Inc. Diaphragm pressure pod for medical fluids
US7343814B2 (en) * 2006-04-03 2008-03-18 Loadstar Sensors, Inc. Multi-zone capacitive force sensing device and methods
US9551625B2 (en) 2011-05-31 2017-01-24 Nxstage Medical, Inc. Pressure measurement devices, methods, and systems
US9134807B2 (en) 2012-03-02 2015-09-15 Microsoft Technology Licensing, Llc Pressure sensitive key normalization
US9706089B2 (en) 2012-03-02 2017-07-11 Microsoft Technology Licensing, Llc Shifted lens camera for mobile computing devices
US9870066B2 (en) 2012-03-02 2018-01-16 Microsoft Technology Licensing, Llc Method of manufacturing an input device
US8935774B2 (en) 2012-03-02 2015-01-13 Microsoft Corporation Accessory device authentication
US9075566B2 (en) 2012-03-02 2015-07-07 Microsoft Technoogy Licensing, LLC Flexible hinge spine
US20130300590A1 (en) 2012-05-14 2013-11-14 Paul Henry Dietz Audio Feedback
US10031556B2 (en) 2012-06-08 2018-07-24 Microsoft Technology Licensing, Llc User experience adaptation
US9194760B2 (en) * 2013-03-14 2015-11-24 Dwyer Instruments, Inc. Capacitive pressure sensor with reduced parasitic capacitance
US9304549B2 (en) 2013-03-28 2016-04-05 Microsoft Technology Licensing, Llc Hinge mechanism for rotatable component attachment
US8960010B1 (en) 2013-12-23 2015-02-24 Fresenius Medical Care Holdings, Inc. Automatic detection and adjustment of a pressure pod diaphragm
CA2957067C (en) * 2014-09-26 2019-02-19 Fresenius Medical Care Holdings, Inc. Pressure output device for extracorporeal hemodialysis machine
WO2017180670A2 (en) 2016-04-11 2017-10-19 The Alfred E. Mann Foundation For Scientific Research Pressure sensors with tensioned membranes
PL3499199T3 (pl) * 2017-12-15 2022-01-03 Kistler Holding Ag Czujnik vim i sposób wytwarzania czujnika vim
AU2020241517A1 (en) 2019-03-15 2021-09-30 Nxstage Medical, Inc. Pressure measurement devices, methods, and systems
CN113739989B (zh) * 2021-11-01 2022-02-08 季华实验室 一种电容式薄膜真空计的感应膜片焊后张紧力控制方法
CN114993550B (zh) * 2022-06-16 2024-03-22 电子科技大学 一种高可靠性的差压传感器及传感方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793885A (en) * 1972-09-05 1974-02-26 Rosemount Inc Diaphrgam construction for differential pressure transducer
JPS542783A (en) * 1977-06-09 1979-01-10 Fuji Electric Co Ltd Production of pressure or differential pressure measuring apparatus
US4265389A (en) * 1978-10-30 1981-05-05 Michael Mastromatteo Method of welding a diaphragm assembly
US5038459A (en) * 1987-03-04 1991-08-13 Hosiden Electronics Co., Ltd. Method of fabricating the diaphragm unit of a condenser microphone by electron beam welding
US4823603A (en) * 1988-05-03 1989-04-25 Vacuum General, Inc. Capacitance manometer having stress relief for fixed electrode
DE4206675C2 (de) * 1992-02-28 1995-04-27 Siemens Ag Verfahren zum Herstellen von Druckdifferenz-Sensoren
US5442962A (en) * 1993-08-20 1995-08-22 Setra Systems, Inc. Capacitive pressure sensor having a pedestal supported electrode

Also Published As

Publication number Publication date
CA2286779A1 (en) 1999-06-10
CN1140784C (zh) 2004-03-03
DE69814680T2 (de) 2003-11-27
US6019002A (en) 2000-02-01
US6014800A (en) 2000-01-18
CN1280669A (zh) 2001-01-17
EP1038161B1 (de) 2003-05-14
EP1038161A1 (de) 2000-09-27
DE69814680D1 (de) 2003-06-18
JP2001525539A (ja) 2001-12-11
WO1999028720A1 (en) 1999-06-10
EP1038161A4 (de) 2001-04-25

Similar Documents

Publication Publication Date Title
ATE240512T1 (de) Druckwandler mit einer gespannten membran
DE3063551D1 (en) Electro acoustic transducer with active dome
GB1504408A (en) Piezoelectric electroacoustic transducer
WO1998059228A3 (en) Capacitive pressure transducer with improved electrode support
ATE132968T1 (de) Differenzdrucksensor mit membran mit freier randkonstruktion
EP0291885A3 (de) Kapazitives Manometer zur Absolutdruckmessung
EP1367301A4 (de) Dichtung
DE69834333D1 (de) Membranpresse
DE69505689D1 (de) Piezoelektrische mikromembranpumpe zum niederdruckpumpen von gasen
JPH0158804U (de)
EP0403254A3 (de) Hermetischer Druckwandler
CA2180704A1 (en) Ultrasonic transducer
WO2001060117A3 (en) Acoustical transducer with reduced parasitic capacitance and method of manufacturing same
ATE291221T1 (de) Membran druckmessaufnehmer mit dichtung mit federring gegen verformung
GB885501A (en) Improvements in or relating to loud speaker constructions
EP1114987A3 (de) Membrane für Druckmessgeräte
KR850006073A (ko) 가스감지기의 가스투과막 장착 방법
WO2000012969A3 (en) Gas meter diaphragm
IE45220L (en) Diaphragm safety valve
GB1493296A (en) Loudspeaker assembly
JPS645199A (en) Piezoelectric sounding body
JPS57129095A (en) Piezoelectric loudspeaker
JP4958159B2 (ja) マイクロホンユニット
EP0334219A3 (de) Kontaktmikrophon
EP0354520A3 (de) Elektroakustischer Wandler

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties