DE3269923D1 - Differential level-monitoring float device - Google Patents

Differential level-monitoring float device

Info

Publication number
DE3269923D1
DE3269923D1 DE8282200070T DE3269923T DE3269923D1 DE 3269923 D1 DE3269923 D1 DE 3269923D1 DE 8282200070 T DE8282200070 T DE 8282200070T DE 3269923 T DE3269923 T DE 3269923T DE 3269923 D1 DE3269923 D1 DE 3269923D1
Authority
DE
Germany
Prior art keywords
measuring
float device
differential level
level
walls
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
DE8282200070T
Other languages
English (en)
Inventor
Franco Robotti
Tommaso Rossini
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.)
SIS GEOTECNICA
CISE Centro Informazioni Studi e Esperienze SpA
Original Assignee
SIS GEOTECNICA
CISE Centro Informazioni Studi e Esperienze SpA
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 SIS GEOTECNICA, CISE Centro Informazioni Studi e Esperienze SpA filed Critical SIS GEOTECNICA
Application granted granted Critical
Publication of DE3269923D1 publication Critical patent/DE3269923D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/04—Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
    • 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Level Indicators Using A Float (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DE8282200070T 1981-01-29 1982-01-21 Differential level-monitoring float device Expired DE3269923D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19403/81A IT1169028B (it) 1981-01-29 1981-01-29 Apparecchiatura a galleggiante per la misura differenziale di livello

Publications (1)

Publication Number Publication Date
DE3269923D1 true DE3269923D1 (en) 1986-04-24

Family

ID=11157418

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282200070T Expired DE3269923D1 (en) 1981-01-29 1982-01-21 Differential level-monitoring float device

Country Status (5)

Country Link
US (1) US4581931A (de)
EP (1) EP0057481B1 (de)
AT (1) ATE18697T1 (de)
DE (1) DE3269923D1 (de)
IT (1) IT1169028B (de)

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* Cited by examiner, † Cited by third party
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FR2588074A1 (fr) * 1985-09-27 1987-04-03 Facom Dispositif de mesure de la hauteur separant deux points
JPS63120213A (ja) * 1986-11-07 1988-05-24 Ishikawajima Kensa Keisoku Kk 大型構造物等のレベル計測方法
US4882929A (en) * 1988-01-29 1989-11-28 Total Environmental Services Technology, Inc. Apparatus and process for measuring changes in effect of tidal forces
US4972596A (en) * 1989-01-17 1990-11-27 Brewer Aubrey W Trailer measuring system
US5101571A (en) * 1989-12-18 1992-04-07 Albert Bertoti Hydrostatic plumber's level
FR2656418B1 (fr) * 1989-12-21 1994-04-15 Esrf Dispositif de mesure ou de controle de denivellation entre plusieurs points.
JPH05264272A (ja) * 1992-03-19 1993-10-12 Hitachi Ltd 基礎架台とその製造方法並びに基礎架台の沈下量測定方法及びその装置
US7278311B1 (en) 2006-01-05 2007-10-09 Franklin Fueling Systems, Inc. Liquid level and density measurement device
CN101371110A (zh) * 2006-01-30 2009-02-18 富兰克林燃料系统公司 液体高度和密度测量设备
DE102006011297A1 (de) 2006-03-11 2007-09-13 Man Roland Druckmaschinen Ag Druckmaschinenmessanordnung sowie Messeinheit für eine Messanordnung
US20080082567A1 (en) * 2006-05-01 2008-04-03 Bezanson Jeffrey W Apparatuses, Methods And Systems For Vector Operations And Storage In Matrix Models
PT104250B (pt) * 2008-11-05 2010-10-28 Univ Do Porto Transdutor para medição de deslocamentos verticais
EP2259017B1 (de) * 2009-05-25 2012-05-02 Agisco S.r.l. Vorrichtung zur differentiellen Vermessung von Höhenlagen
CN101718544B (zh) * 2009-11-25 2011-12-21 南京基泰土木工程仪器有限公司 静力水准监测系统
CN104019795A (zh) * 2014-06-20 2014-09-03 盈亨科技(上海)有限公司 铁路沉降监测系统及在线监测方法
DE102015219282A1 (de) * 2015-10-06 2017-04-06 Vega Grieshaber Kg Pegelstanddifferenzmessung mit Master-Slave-Konzept
CN112325844B (zh) * 2020-10-30 2022-06-21 苏州理欧电子科技有限公司 液体沉降检测装置
CN113029095B (zh) * 2021-03-26 2022-09-06 山东新巨龙能源有限责任公司 一种煤矿地表广域高精度在线沉降监测方法
CN114360226B (zh) * 2022-01-13 2024-04-02 湖北思源水务工程技术有限公司 设备故障远程监控自动声光报警装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2025774A (en) * 1927-10-11 1935-12-31 Clarence A Rennick Electrical gauge
US2704342A (en) * 1951-04-13 1955-03-15 Robertshaw Fulton Controls Co Fluid level actuated follow-up mechanism
US2911828A (en) * 1956-03-05 1959-11-10 Sperry Rand Corp Ford Instr Co Device for determining liquid level and interface position
US2791119A (en) * 1956-03-28 1957-05-07 Walter H Zinn Liquid level indicator
US3216255A (en) * 1962-02-15 1965-11-09 Robertshaw Controls Co Fluid level instrumentation
US3138024A (en) * 1962-11-23 1964-06-23 Harry L Pariser Liquid level-responsive indicating and control apparatus
US3949484A (en) * 1974-05-22 1976-04-13 The English Electric Company Limited Vertical movement detection systems
US4080828A (en) * 1976-04-21 1978-03-28 Nippon Soken, Inc. Liquid level detecting apparatus
JPS5487561A (en) * 1977-12-23 1979-07-12 Aisin Seiki Oil level detector
US4248088A (en) * 1979-05-24 1981-02-03 The Foxboro Company Float for use in tank gauging systems
DE2944433A1 (de) * 1979-11-03 1981-05-14 Robert Bosch Gmbh, 7000 Stuttgart Grenzwertgeber fuer fluessigkeiten
DE2945341A1 (de) * 1979-11-09 1981-05-21 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur fuellstandsabtastung fluessiger medien
JPS56103325A (en) * 1980-01-21 1981-08-18 Toshiba Corp Induction type liquid level gauge
JPS5828527B2 (ja) * 1980-12-10 1983-06-16 鹿島建設株式会社 地盤変状監視方法
US4397099A (en) * 1981-09-08 1983-08-09 Edwin Gaucher Electronic apparatus for measuring the difference of elevation between two points

Also Published As

Publication number Publication date
ATE18697T1 (de) 1986-04-15
IT1169028B (it) 1987-05-20
EP0057481A1 (de) 1982-08-11
EP0057481B1 (de) 1986-03-19
IT8119403A0 (it) 1981-01-29
US4581931A (en) 1986-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee