GB1415223A - Liquid detector - Google Patents

Liquid detector

Info

Publication number
GB1415223A
GB1415223A GB1413473A GB1413473A GB1415223A GB 1415223 A GB1415223 A GB 1415223A GB 1413473 A GB1413473 A GB 1413473A GB 1413473 A GB1413473 A GB 1413473A GB 1415223 A GB1415223 A GB 1415223A
Authority
GB
United Kingdom
Prior art keywords
detector
liquid
operate
switch
magnet
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
GB1413473A
Other languages
English (en)
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of GB1415223A publication Critical patent/GB1415223A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/223—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water using a melting or dissolving material as a part of alarm-means
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • External Artificial Organs (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB1413473A 1972-10-14 1973-03-23 Liquid detector Expired GB1415223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47103410A JPS4960990A (enExample) 1972-10-14 1972-10-14

Publications (1)

Publication Number Publication Date
GB1415223A true GB1415223A (en) 1975-11-26

Family

ID=14353269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1413473A Expired GB1415223A (en) 1972-10-14 1973-03-23 Liquid detector

Country Status (3)

Country Link
US (1) US3874223A (enExample)
JP (1) JPS4960990A (enExample)
GB (1) GB1415223A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188735A (en) * 1986-03-31 1987-10-07 Emhart Ind Hydrocarbon probe and method of installation
GB2341007A (en) * 1998-08-13 2000-03-01 David John Dean Fluid level sensor
CN116754752A (zh) * 2023-06-20 2023-09-15 江苏仕能工业技术有限公司 一种环保型多功能矿浆智能检测灰分仪

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1012182B (it) * 1973-05-11 1977-03-10 Asahi Chemical Ind Dispositivo rivelatore di liquidi
JPS5525708Y2 (enExample) * 1974-05-31 1980-06-20
JPS5168582U (enExample) * 1974-11-26 1976-05-31
JPS51128597U (enExample) * 1975-04-14 1976-10-18
JPS51123194A (en) * 1975-04-18 1976-10-27 Furukawa Electric Co Ltd:The Liquid leak detection cakle
JPS51128585A (en) * 1975-04-18 1976-11-09 Furukawa Electric Co Ltd:The Liquid leakage detector cable
JPS528883A (en) * 1975-07-11 1977-01-24 Furukawa Electric Co Ltd:The Liquid leakage detector cable
US4021144A (en) * 1975-09-17 1977-05-03 Elepon Kabushiki Kaisha Submersible pump with float switch
JPS5291488A (en) * 1976-01-28 1977-08-01 Akio Masuda Liquid detector
JPS52155081U (enExample) * 1976-05-19 1977-11-25
JPS59117924U (ja) * 1983-01-28 1984-08-09 株式会社潤工社 浮遊検出装置
DE3426834A1 (de) * 1984-07-20 1986-01-23 W.L. Gore & Co GmbH, 8011 Putzbrunn System zum erkennen von oelverschmutzung im grundwasser
US4728882A (en) * 1986-04-01 1988-03-01 The Johns Hopkins University Capacitive chemical sensor for detecting certain analytes, including hydrocarbons in a liquid medium
JPS6357549U (enExample) * 1986-09-30 1988-04-16
JPS6357548U (enExample) * 1986-09-30 1988-04-16
JPS6357547U (enExample) * 1986-09-30 1988-04-16
JPS6357544U (enExample) * 1986-09-30 1988-04-16
JPS6357545U (enExample) * 1986-09-30 1988-04-16
US5723835A (en) * 1995-03-29 1998-03-03 Gilmore; Glendell N. Composite reed switch-bracket
US5850175A (en) * 1997-02-19 1998-12-15 Yeilding; Hollis Water level detector
US6340243B1 (en) * 1998-12-03 2002-01-22 Fluid Components Intl Liquid/gas phase detector system
WO2001084092A1 (en) * 2000-05-01 2001-11-08 Ricardo Canales Encapsulated float and method for making same
US7095330B2 (en) * 2002-06-27 2006-08-22 Standex International Corporation Disposable liquid level sensor having a virtual ring
US7523645B2 (en) * 2005-06-30 2009-04-28 Gammon Technical Products, Inc. Water detector probe
US7525444B2 (en) * 2006-02-17 2009-04-28 Perma-Pipe, Inc. Sensor for detecting hydrocarbons
US7739902B2 (en) * 2008-02-28 2010-06-22 Texas Instruments Incorporated Portable solution detector for identifying chemical solutions including from chemical spills
US8410948B2 (en) * 2008-05-12 2013-04-02 John Vander Horst Recreational vehicle holding tank sensor probe
US9773629B1 (en) * 2016-11-09 2017-09-26 Finetek Co., Ltd. Magnetic sensing switch
SE546752C2 (en) 2023-05-22 2025-02-18 Cleanguard Ab A system and method for acoustic detection of a change in moisture

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US479482A (en) * 1892-07-26 High and low water alarm
US2004421A (en) * 1930-10-04 1935-06-11 Anderson Co Indicating apparatus
US2161441A (en) * 1936-07-27 1939-06-06 Theodore W Vickers Warning signal for braking systems
US2320720A (en) * 1941-07-19 1943-06-01 Blaw Knox Co Device responsive to changes in density of liquids
US2634608A (en) * 1947-10-24 1953-04-14 A P Sorber Liquid level gauge
US3155792A (en) * 1962-08-07 1964-11-03 Gen Electric Magnetic reed switch device
US3152572A (en) * 1963-02-12 1964-10-13 Jr Henry W Allhoff Leak indicator
NO129857B (enExample) * 1964-07-10 1974-06-04 Mitsubishi Heavy Ind Ltd
US3326042A (en) * 1964-12-30 1967-06-20 John D Ross Ultrasonic liquid level indicator
AT254781B (de) * 1965-08-31 1967-06-12 Hectronic Ag Einrichtung zum Feststellen der Anwesenheit einer bestimmten Flüssigkeit, insbesondere an einem der Beobachtung entzogenen Ort
US3415268A (en) * 1966-10-03 1968-12-10 Bourns Inc Viscous liquid level control system
US3721898A (en) * 1968-12-04 1973-03-20 P Dragoumis Apparatus for detecting leakage from or rupture of pipes and other vessels containing fluid under pressure
US3603952A (en) * 1969-05-12 1971-09-07 Millard F Smith Spill sensors
US3675614A (en) * 1970-11-06 1972-07-11 John T Ward Fluid level alarm device for tanks and the like to minimize spills of oil and other environmental pollutants
US3719936A (en) * 1971-06-01 1973-03-06 Durham Ass Inc Oil spillage detection system
US3721970A (en) * 1971-10-06 1973-03-20 Atomic Energy Commission Alkali metal leak detector
US3733594A (en) * 1972-03-13 1973-05-15 G Orth Alarm apparatus for detecting and indicating oil slicks
JPS5228022A (en) * 1975-08-28 1977-03-02 Kubota Ltd Sleeve valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188735A (en) * 1986-03-31 1987-10-07 Emhart Ind Hydrocarbon probe and method of installation
GB2341007A (en) * 1998-08-13 2000-03-01 David John Dean Fluid level sensor
GB2341007B (en) * 1998-08-13 2002-08-14 David John Dean Plant watering system
CN116754752A (zh) * 2023-06-20 2023-09-15 江苏仕能工业技术有限公司 一种环保型多功能矿浆智能检测灰分仪
CN116754752B (zh) * 2023-06-20 2023-12-15 江苏仕能工业技术有限公司 一种环保型多功能矿浆智能检测灰分仪

Also Published As

Publication number Publication date
US3874223A (en) 1975-04-01
JPS4960990A (enExample) 1974-06-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee