EP1479910A3 - Sensor membrane - Google Patents

Sensor membrane Download PDF

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Publication number
EP1479910A3
EP1479910A3 EP04101686A EP04101686A EP1479910A3 EP 1479910 A3 EP1479910 A3 EP 1479910A3 EP 04101686 A EP04101686 A EP 04101686A EP 04101686 A EP04101686 A EP 04101686A EP 1479910 A3 EP1479910 A3 EP 1479910A3
Authority
EP
European Patent Office
Prior art keywords
membrane layer
membrane
electrically
openings
electrically insulating
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
Application number
EP04101686A
Other languages
German (de)
French (fr)
Other versions
EP1479910B1 (en
EP1479910A2 (en
Inventor
Rainer Weisbrodt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prominent Dosiertechnik GmbH
Original Assignee
Prominent Dosiertechnik GmbH
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 Prominent Dosiertechnik GmbH filed Critical Prominent Dosiertechnik GmbH
Priority to SI200430443T priority Critical patent/SI1479910T1/en
Priority to PL04101686T priority patent/PL1479910T3/en
Publication of EP1479910A2 publication Critical patent/EP1479910A2/en
Publication of EP1479910A3 publication Critical patent/EP1479910A3/en
Application granted granted Critical
Publication of EP1479910B1 publication Critical patent/EP1479910B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0081—Special features systems, control, safety measures
    • F04B43/009—Special features systems, control, safety measures leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Diaphragms And Bellows (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)

Abstract

Die vorliegende Erfindung betrifft eine Sensormembran mit mehreren sandwichartig übereinander angeordneten Membranlagen, welche eine Förder- oder Trennmembran (1), eine darunter angeordnete erste elektrisch leitfähige Membranlage (2), eine darunter angeordnete elektrisch isolierende Membranlage (3) und eine darunter angeordnete zweite elektrisch leitfähige Membranlage (4) umfassen, wobei die ersten und zweiten leitfähigen Membranlagen (2, 4) durch die elektrisch isolierende Membranlage (3) voneinander getrennt und elektrisch isoliert sind und die zweite elektrisch leitfähige Membranlage (4) Abschnitte (7) aufweist, die durch Öffnungen (5) in der elektrisch isolierenden Membranlage (3) und durch Öffnungen (6) in der ersten elektrisch leitfähigen Membranlage (2) hindurchgreifen und die elektrisch isolierende Membranlage (3) Abschnitte (12) aufweist, die durch die Öffnungen (5) in der ersten leitfähigen Membranlage hindurchgreifen.

Figure 00000001
The present invention relates to a sensor membrane having a plurality of sandwiched membrane layers, which comprises a conveying or separating membrane (1), a first electrically conductive membrane layer (2) arranged underneath, an electrically insulating membrane layer (3) arranged underneath and a second electrically conductive one arranged underneath Membrane layer (4), wherein the first and second conductive membrane layers (2, 4) separated by the electrically insulating membrane layer (3) and electrically insulated and the second electrically conductive membrane layer (4) has portions (7) passing through openings (5) engage in the electrically insulating membrane layer (3) and through openings (6) in the first electrically conductive membrane layer (2) and the electrically insulating membrane layer (3) sections (12) through the openings (5) in the pass through first conductive membrane layer.
Figure 00000001
EP04101686A 2003-05-20 2004-04-22 Sensor membrane Expired - Lifetime EP1479910B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200430443T SI1479910T1 (en) 2003-05-20 2004-04-22 Sensor membrane
PL04101686T PL1479910T3 (en) 2003-05-20 2004-04-22 Sensor membrane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10323059A DE10323059A1 (en) 2003-05-20 2003-05-20 sensor diaphragm
DE10323059 2003-05-20

Publications (3)

Publication Number Publication Date
EP1479910A2 EP1479910A2 (en) 2004-11-24
EP1479910A3 true EP1479910A3 (en) 2005-09-21
EP1479910B1 EP1479910B1 (en) 2007-09-05

Family

ID=33039255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04101686A Expired - Lifetime EP1479910B1 (en) 2003-05-20 2004-04-22 Sensor membrane

Country Status (9)

Country Link
US (1) US6935180B2 (en)
EP (1) EP1479910B1 (en)
JP (1) JP4666340B2 (en)
AT (1) ATE372461T1 (en)
DE (2) DE10323059A1 (en)
DK (1) DK1479910T3 (en)
ES (1) ES2290626T3 (en)
PL (1) PL1479910T3 (en)
SI (1) SI1479910T1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6941853B2 (en) * 2003-12-02 2005-09-13 Wanner Engineering, Inc. Pump diaphragm rupture detection
GB2433298A (en) * 2005-12-13 2007-06-20 Joseph Anthony Griffiths Diaphragm with rupture detection
US20080003120A1 (en) * 2006-06-30 2008-01-03 Meza Humberto V Pump apparatus and method
DE102009023012A1 (en) * 2009-05-28 2010-12-16 G.S. Anderson Gmbh Diaphragm valve membrane
GB201015586D0 (en) 2010-09-17 2010-10-27 Qinetiq Ltd Leakage censor
JP6271871B2 (en) * 2013-06-04 2018-01-31 株式会社フジキン Diaphragm valve
DE102013214304A1 (en) 2013-07-22 2015-01-22 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft Membrane and process for its production
US10330094B2 (en) * 2013-08-26 2019-06-25 Blue-White Industries, Ltd. Sealing diaphragm and methods of manufacturing said diaphragm
WO2017125349A1 (en) * 2016-01-21 2017-07-27 Tetra Laval Holdings & Finance S.A. Membrane pump with leakage detection
DE102016001806B4 (en) * 2016-02-17 2022-10-13 Timmer Gmbh Diaphragm pump, diaphragm for a diaphragm pump and method for detecting a defective diaphragm of a diaphragm pump
CH712963A1 (en) * 2016-09-29 2018-03-29 Daetwyler Schweiz Ag Pump diaphragm for a diaphragm pump for conveying a fluid.
CN106841327A (en) * 2017-04-06 2017-06-13 重庆华伟沃电科技有限公司 A kind of inspection well cover with damage testing sensor
EP3415759B1 (en) 2017-06-13 2020-12-02 SISTO Armaturen S.A. Membrane with conductive structures
EP3604876B2 (en) 2018-08-03 2024-04-03 SISTO Armaturen S.A. Membrane diagnosis via air interface
DE102019109283A1 (en) * 2019-04-09 2020-10-15 Prominent Gmbh Diaphragm rupture monitoring
TWI864482B (en) * 2022-11-10 2024-12-01 茂特隆股份有限公司 Pressure sensing diaphragm
DE102023132946A1 (en) * 2023-11-27 2025-05-28 Prominent Gmbh Diaphragm rupture detection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0732501A1 (en) * 1995-03-16 1996-09-18 W.L. GORE & ASSOCIATES, INC. A pre-failure sensing diagram
US20020006335A1 (en) * 2000-05-18 2002-01-17 Gerhard Rohner Method and a device for measuring the pump operating parameters of a diaphragm delivery unit
US6498496B1 (en) * 1999-06-04 2002-12-24 Carl Freudenberg Device for detecting membrane leaks in a diaphragm pump

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5153402Y2 (en) * 1971-07-28 1976-12-21
US4177680A (en) * 1977-10-14 1979-12-11 Bunker Ramo Corporation Dual pressure sensor
US4569634A (en) * 1984-09-27 1986-02-11 Mantell Myron E Failure sensing diaphragm for a diaphragm pump
JPS6282286A (en) * 1985-10-04 1987-04-15 Nikkiso Co Ltd Diaphragm for diaphragm pump
US4781535A (en) * 1987-11-13 1988-11-01 Pulsafeeder, Inc. Apparatus and method for sensing diaphragm failures in reciprocating pumps
JPH0285193A (en) * 1988-09-22 1990-03-26 Mitsubishi Kasei Corp Non-conductive material lining metal equipment
JPH0337503A (en) * 1989-07-03 1991-02-18 Kayaba Ind Co Ltd Strain gage
DE4018464A1 (en) * 1990-06-08 1991-12-12 Ott Kg Lewa DIAPHRAGM FOR A HYDRAULICALLY DRIVED DIAPHRAGM PUMP
EP0715690B1 (en) 1993-08-23 1997-09-03 W.L. Gore & Associates, Inc. Pre-failure warning pump diaphragm
IT1273394B (en) 1994-03-31 1997-07-08 Tetra Brik Res Dev Spa DEVICE FOR DETECTION OF A LEAK
SE506558C2 (en) * 1994-04-14 1998-01-12 Cecap Ab Sensor element for pressure transducer
DE19750131C2 (en) * 1997-11-13 2002-06-13 Infineon Technologies Ag Micromechanical differential pressure sensor device
DE19829084B4 (en) * 1998-06-30 2005-01-13 Prominent Dosiertechnik Gmbh diaphragm pump
JP2001041838A (en) * 1999-08-03 2001-02-16 Yamatake Corp Pressure sensor and method of manufacturing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0732501A1 (en) * 1995-03-16 1996-09-18 W.L. GORE & ASSOCIATES, INC. A pre-failure sensing diagram
US6498496B1 (en) * 1999-06-04 2002-12-24 Carl Freudenberg Device for detecting membrane leaks in a diaphragm pump
US20020006335A1 (en) * 2000-05-18 2002-01-17 Gerhard Rohner Method and a device for measuring the pump operating parameters of a diaphragm delivery unit

Also Published As

Publication number Publication date
JP4666340B2 (en) 2011-04-06
US20040261536A1 (en) 2004-12-30
EP1479910B1 (en) 2007-09-05
ES2290626T3 (en) 2008-02-16
JP2004347115A (en) 2004-12-09
PL1479910T3 (en) 2008-01-31
SI1479910T1 (en) 2007-12-31
DE10323059A1 (en) 2004-12-09
EP1479910A2 (en) 2004-11-24
US6935180B2 (en) 2005-08-30
DK1479910T3 (en) 2008-04-21
ATE372461T1 (en) 2007-09-15
DE502004004843D1 (en) 2007-10-18

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