GB1223231A - A surface water detector comprising an electric switch - Google Patents

A surface water detector comprising an electric switch

Info

Publication number
GB1223231A
GB1223231A GB05577/69A GB1557769A GB1223231A GB 1223231 A GB1223231 A GB 1223231A GB 05577/69 A GB05577/69 A GB 05577/69A GB 1557769 A GB1557769 A GB 1557769A GB 1223231 A GB1223231 A GB 1223231A
Authority
GB
United Kingdom
Prior art keywords
capsule
switch
edge
water
powder
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
Application number
GB05577/69A
Other languages
English (en)
Inventor
Charles Jui-Cheng Hsu
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
Application filed by Individual filed Critical Individual
Publication of GB1223231A publication Critical patent/GB1223231A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/42—Switches operated by change of humidity

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
GB05577/69A 1968-04-01 1969-03-25 A surface water detector comprising an electric switch Expired GB1223231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71766468A 1968-04-01 1968-04-01

Publications (1)

Publication Number Publication Date
GB1223231A true GB1223231A (en) 1971-02-24

Family

ID=24882975

Family Applications (1)

Application Number Title Priority Date Filing Date
GB05577/69A Expired GB1223231A (en) 1968-04-01 1969-03-25 A surface water detector comprising an electric switch

Country Status (4)

Country Link
US (1) US3562731A (de)
DE (1) DE1916273A1 (de)
FR (1) FR2005290A1 (de)
GB (1) GB1223231A (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808385A (en) * 1972-08-11 1974-04-30 G Klinefelter Moisture responsive switch actuator
US4246575A (en) * 1979-02-02 1981-01-20 Purtell Jack L Moisture detector
US4227190A (en) * 1979-02-26 1980-10-07 Kelley Jerry K Water alarm for monitoring floor moisture
US4297686A (en) * 1979-10-01 1981-10-27 Tom M Dale Water detection device
US4325060A (en) * 1979-12-17 1982-04-13 Purtell Jack L Floating water detector
EP0079956A1 (de) * 1981-05-27 1983-06-01 BECNEL, Steven A. Flüssigkeitsempfindliche betätigungsvorrichtung für ein auf verdrängung reagierendes gerät
US4696319A (en) * 1984-02-10 1987-09-29 Martin Gant Moisture-actuated apparatus for controlling the flow of water
US4700082A (en) * 1985-05-08 1987-10-13 Aisin Seiki Kabushiki Kaisha Circuit breaker
US4890485A (en) * 1986-12-15 1990-01-02 Hsu Charles J Mechanism which reacts to the presence of oil and/or water
US4970356A (en) * 1990-06-18 1990-11-13 Amos Gary T Rainfall responsive switch construction
US5329081A (en) * 1992-01-17 1994-07-12 Morningside Holdings Pty. Ltd. Moisture sensor and switch
US5478267A (en) * 1993-09-22 1995-12-26 Gerald A. McDonald Soap bubble sensing and responsive device
IT1266168B1 (it) * 1994-07-15 1996-12-23 Manuli Rubber Ind Srl Tubo flessibile a doppia carcassa
US5842346A (en) * 1994-09-30 1998-12-01 Hsu; Charles J. Absorbent cartridge for release mechanism powered by contact with fluid
ES2202895T3 (es) * 1997-08-19 2004-04-01 Valeo Wischersysteme Gmbh Sensor acoplado a una luna con un gel de silicona.
US6065735A (en) 1997-09-04 2000-05-23 Clark; Garry E. Electric valve universal retrofit configuration having misalignment correction
DE19926372C2 (de) * 1999-06-10 2001-06-13 Freudenberg Carl Fa Einrichtung zur Erkennung von Undichtheiten an Membranen
US6519941B1 (en) 2002-02-01 2003-02-18 The United States Of America As Represented By The Secretary Of The Navy Water-activated locking mechanism
DE102005023221B4 (de) * 2005-05-20 2010-08-05 A. Raymond Et Cie Vorrichtung zum Befestigen eines Sensors an einem Trägerteil
WO2014062672A1 (en) * 2012-10-15 2014-04-24 Gangbing Song Fiber bragg grating systems and methods for moisture detection
WO2016070005A1 (en) * 2014-10-31 2016-05-06 Rain Bird Corporation Soil moisture sensing valves and devices
US20180328513A1 (en) * 2015-11-13 2018-11-15 Rain Bird Corporation Moisture sensing valves and devices
DE102016212672B3 (de) * 2016-07-12 2017-07-06 Olympus Winter & Ibe Gmbh Einrichtung zum Prüfen der Dichtigkeit eines chirurgischen Instruments, Aufbereitungseinrichtung zum Aufbereiten von chirurgischen Instrumenten und Verwendung eines quellbaren Materialkörpers
DE102017127821A1 (de) 2017-11-24 2019-05-29 Endress+Hauser Conducta Gmbh+Co. Kg Flüssigkeitsdetektor
DE102019115867A1 (de) * 2019-06-11 2020-12-17 Zf Automotive Germany Gmbh Lenkvorrichtung für ein Kraftfahrzeug

Also Published As

Publication number Publication date
FR2005290A1 (de) 1969-12-12
DE1916273A1 (de) 1970-01-22
US3562731A (en) 1971-02-09

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