DE4031522C1 - - Google Patents

Info

Publication number
DE4031522C1
DE4031522C1 DE4031522A DE4031522A DE4031522C1 DE 4031522 C1 DE4031522 C1 DE 4031522C1 DE 4031522 A DE4031522 A DE 4031522A DE 4031522 A DE4031522 A DE 4031522A DE 4031522 C1 DE4031522 C1 DE 4031522C1
Authority
DE
Germany
Prior art keywords
detector unit
plane
electrodes
liquid
projection
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.)
Expired - Lifetime
Application number
DE4031522A
Other languages
German (de)
English (en)
Inventor
Horst Dipl.-Ing. 2000 Hamburg De Krauleidies
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.)
Individual
Original Assignee
Individual
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
Priority to DE9013889U priority Critical patent/DE9013889U1/de
Application filed by Individual filed Critical Individual
Priority to DE4031522A priority patent/DE4031522C1/de
Priority to ES91114399T priority patent/ES2077746T3/es
Priority to EP91114399A priority patent/EP0478950B1/de
Priority to AT91114399T priority patent/ATE128765T1/de
Priority to DE59106616T priority patent/DE59106616D1/de
Priority to US07/769,090 priority patent/US5272467A/en
Application granted granted Critical
Publication of DE4031522C1 publication Critical patent/DE4031522C1/de
Priority to HK98104911A priority patent/HK1005753A1/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/081—Safety arrangements for preventing water damage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
DE4031522A 1990-10-05 1990-10-05 Expired - Lifetime DE4031522C1 (US20030107996A1-20030612-P00026.png)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE4031522A DE4031522C1 (US20030107996A1-20030612-P00026.png) 1990-10-05 1990-10-05
DE9013889U DE9013889U1 (US20030107996A1-20030612-P00026.png) 1990-10-05 1990-10-05
EP91114399A EP0478950B1 (de) 1990-10-05 1991-08-28 Vorrichtung zum Erfassen und Melden von Flüssigkeiten
AT91114399T ATE128765T1 (de) 1990-10-05 1991-08-28 Vorrichtung zum erfassen und melden von flüssigkeiten.
ES91114399T ES2077746T3 (es) 1990-10-05 1991-08-28 Dispositivo para detectar y avisar de la presencia de liquidos.
DE59106616T DE59106616D1 (de) 1990-10-05 1991-08-28 Vorrichtung zum Erfassen und Melden von Flüssigkeiten.
US07/769,090 US5272467A (en) 1990-10-05 1991-09-30 Apparatus for detecting and reporting liquids
HK98104911A HK1005753A1 (en) 1990-10-05 1998-06-05 Device for detecting and signalling fluids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4031522A DE4031522C1 (US20030107996A1-20030612-P00026.png) 1990-10-05 1990-10-05
DE9013889U DE9013889U1 (US20030107996A1-20030612-P00026.png) 1990-10-05 1990-10-05

Publications (1)

Publication Number Publication Date
DE4031522C1 true DE4031522C1 (US20030107996A1-20030612-P00026.png) 1992-04-02

Family

ID=25897463

Family Applications (3)

Application Number Title Priority Date Filing Date
DE4031522A Expired - Lifetime DE4031522C1 (US20030107996A1-20030612-P00026.png) 1990-10-05 1990-10-05
DE9013889U Expired - Lifetime DE9013889U1 (US20030107996A1-20030612-P00026.png) 1990-10-05 1990-10-05
DE59106616T Expired - Fee Related DE59106616D1 (de) 1990-10-05 1991-08-28 Vorrichtung zum Erfassen und Melden von Flüssigkeiten.

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE9013889U Expired - Lifetime DE9013889U1 (US20030107996A1-20030612-P00026.png) 1990-10-05 1990-10-05
DE59106616T Expired - Fee Related DE59106616D1 (de) 1990-10-05 1991-08-28 Vorrichtung zum Erfassen und Melden von Flüssigkeiten.

Country Status (6)

Country Link
US (1) US5272467A (US20030107996A1-20030612-P00026.png)
EP (1) EP0478950B1 (US20030107996A1-20030612-P00026.png)
AT (1) ATE128765T1 (US20030107996A1-20030612-P00026.png)
DE (3) DE4031522C1 (US20030107996A1-20030612-P00026.png)
ES (1) ES2077746T3 (US20030107996A1-20030612-P00026.png)
HK (1) HK1005753A1 (US20030107996A1-20030612-P00026.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4216512A1 (de) * 1992-05-19 1993-11-25 Schlafhorst & Co W Verfahrbare Wartungseinrichtung mit Sensor zur Feststellung von Hindernissen
DE102012103691A1 (de) * 2012-04-26 2013-10-31 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Sensor zur Messung der Leitfähigkeit

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5978379A (en) * 1997-01-23 1999-11-02 Gadzoox Networks, Inc. Fiber channel learning bridge, learning half bridge, and protocol
US7430171B2 (en) 1998-11-19 2008-09-30 Broadcom Corporation Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost
GB0912444D0 (en) * 2009-07-17 2009-08-26 Kitchener Renato Differential, low conductivity to iec61158-2 physical layer converter
JP5750571B2 (ja) * 2011-02-23 2015-07-22 パナソニックＩｐマネジメント株式会社 洗濯機
US8970385B1 (en) * 2012-05-01 2015-03-03 Gizmode, LLC Moisture-detection apparatus and method
WO2016073679A1 (en) * 2014-11-05 2016-05-12 Sears Brands, L.L.C. Water sensors with multi-value outputs and associated systems and methods
US10215658B2 (en) 2016-10-12 2019-02-26 Walmart Apollo, Llc Systems, devices, and methods for detecting spills
US10718685B2 (en) * 2017-09-27 2020-07-21 Nickolas Peter Demas Liquid leak detector with plurality of detection positions
US10393687B1 (en) 2018-07-16 2019-08-27 Glentronics, Inc. Multi-directional water sensor
US10816435B2 (en) 2018-07-16 2020-10-27 Glentronics, Inc. Multi-directional water sensor with alarm
US10663368B2 (en) * 2018-09-20 2020-05-26 Robert Isaac Lindemann Modular leak detector and method of use
DE202019104142U1 (de) 2019-07-26 2020-10-27 Denios Ag Vorrichtung zur Erfassung von Flüssigkeiten
DE202019104143U1 (de) 2019-07-26 2020-10-27 Denios Ag Vorrichtung zur Detektion von Flüssigkeiten
KR20240040968A (ko) * 2022-09-22 2024-03-29 (주)플로우테크 누액감지센서

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3704594A1 (de) * 1987-02-13 1988-08-25 Westerwald Ag Vorrichtung zur leckueberwachung und -ortung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942167A (en) * 1973-09-19 1976-03-02 Mcclintock Richard D Immersion responsive sensor
DE2913813A1 (de) * 1979-04-05 1980-10-23 Max Planck Gesellschaft Leckfuehler fuer ein elektronisches fluessigkeits-leckueberwachungsgeraet
CH662437A5 (en) * 1985-03-12 1987-09-30 Lino Poma Safety device for detecting the presence of a leakage of liquid onto a surface
FI77536C (fi) * 1987-03-10 1989-03-10 Soundek Oy Fiberoptisk detektor foer oljor och loesningsmedel.
US4789853A (en) * 1987-06-15 1988-12-06 Gentiluomo Joseph A Detection device for electrically conductive fluids
USH652H (en) * 1988-08-17 1989-07-04 The United States Of America As Represented By The United States Department Of Energy Sensor for detection of liquid spills on surfaces
US5091715A (en) * 1990-01-08 1992-02-25 Murphy Anthony J Leak detection and alarm system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3704594A1 (de) * 1987-02-13 1988-08-25 Westerwald Ag Vorrichtung zur leckueberwachung und -ortung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4216512A1 (de) * 1992-05-19 1993-11-25 Schlafhorst & Co W Verfahrbare Wartungseinrichtung mit Sensor zur Feststellung von Hindernissen
DE4216512C2 (de) * 1992-05-19 2001-06-28 Schlafhorst & Co W Verfahrbare Wartungseinrichtung mit Sensor zur Feststellung von Hindernissen
DE102012103691A1 (de) * 2012-04-26 2013-10-31 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Sensor zur Messung der Leitfähigkeit

Also Published As

Publication number Publication date
HK1005753A1 (en) 1999-01-22
ES2077746T3 (es) 1995-12-01
US5272467A (en) 1993-12-21
DE9013889U1 (US20030107996A1-20030612-P00026.png) 1991-01-24
EP0478950A3 (en) 1992-12-02
EP0478950B1 (de) 1995-10-04
ATE128765T1 (de) 1995-10-15
DE59106616D1 (de) 1995-11-09
EP0478950A2 (de) 1992-04-08

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee