IT1215492B - Apparecchio di controllo del livello di riempimento in un recipiente. - Google Patents

Apparecchio di controllo del livello di riempimento in un recipiente.

Info

Publication number
IT1215492B
IT1215492B IT8720545A IT2054587A IT1215492B IT 1215492 B IT1215492 B IT 1215492B IT 8720545 A IT8720545 A IT 8720545A IT 2054587 A IT2054587 A IT 2054587A IT 1215492 B IT1215492 B IT 1215492B
Authority
IT
Italy
Prior art keywords
container
filling level
checking apparatus
level checking
filling
Prior art date
Application number
IT8720545A
Other languages
English (en)
Other versions
IT8720545A0 (it
Inventor
Eberhard F Hermann
Original Assignee
Eberhard F Hermann
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 Eberhard F Hermann filed Critical Eberhard F Hermann
Publication of IT8720545A0 publication Critical patent/IT8720545A0/it
Application granted granted Critical
Publication of IT1215492B publication Critical patent/IT1215492B/it

Links

Classifications

    • 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
    • G01F23/28—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 by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
IT8720545A 1986-06-11 1987-05-15 Apparecchio di controllo del livello di riempimento in un recipiente. IT1215492B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863619678 DE3619678A1 (de) 1986-06-11 1986-06-11 Fuellstandskontrollgeraet

Publications (2)

Publication Number Publication Date
IT8720545A0 IT8720545A0 (it) 1987-05-15
IT1215492B true IT1215492B (it) 1990-02-14

Family

ID=6302801

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8720545A IT1215492B (it) 1986-06-11 1987-05-15 Apparecchio di controllo del livello di riempimento in un recipiente.

Country Status (6)

Country Link
US (1) US4785663A (it)
EP (1) EP0248995B1 (it)
JP (1) JPH07117440B2 (it)
CA (1) CA1293390C (it)
DE (2) DE3619678A1 (it)
IT (1) IT1215492B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3740598C2 (de) * 1987-11-30 1998-03-26 Grieshaber Vega Kg Schwingeinheit für Füllstand-Vibrations-Grenzschalter
DE3822994A1 (de) * 1988-07-07 1990-01-11 Bosch Gmbh Robert Fuellstandsanzeiger
DE3912038A1 (de) * 1989-04-12 1990-10-18 Endress Hauser Gmbh Co Vorrichtung zur feststellung und/oder ueberwachung eines vorbestimmten fuellstands in einem behaelter
US5172595A (en) * 1990-06-12 1992-12-22 Scotsman Group, Inc. Bin level control circuit and transducer mounting system for an ice making machine
US5060484A (en) * 1990-06-12 1991-10-29 Scotsman Group, Inc. Bin level control circuit and transducer mounting system for an ice making machine
JP3008991B2 (ja) * 1991-02-14 2000-02-14 株式会社ノーケン 振動式レベル検出装置
US5267474A (en) * 1992-10-23 1993-12-07 Kohler Co. Liquid-level sensor
DE4318750C1 (de) * 1993-06-05 1994-06-01 Eberhard F Hermann Vorrichtung zur Messung, Kontrolle und/oder Feststellung eines Füllstandes in einem Behälter
JP2768893B2 (ja) * 1993-09-06 1998-06-25 山一電機株式会社 共振形検液装置
US5578994A (en) * 1994-05-25 1996-11-26 Milltronics Ltd. Liquid level switch
EP0762088A3 (de) * 1995-09-11 1997-11-05 Georg Fischer Rohrleitungssysteme AG Verfahren und Vorrichtung zur Grenzstanderfassung von Flüssigkeiten und Schüttgütern
RU2127873C1 (ru) 1997-09-15 1999-03-20 Николай Иванович Балин Ультразвуковой датчик уровня жидкости
JP4004148B2 (ja) * 1998-04-06 2007-11-07 株式会社ノーケン 振動式レベル検出装置
GB0205228D0 (en) * 2002-03-06 2002-04-17 Hydramotion Ltd Mechanical resonator system
RU2402257C1 (ru) * 2006-10-31 2010-10-27 Арчелык Аноним Ширкети Дозатор моющего средства с перемешивающим устройством, определяющим уровень заполнения дозатора по значению тока
CN102967339B (zh) * 2012-08-30 2015-06-03 北方工业大学 一种阻尼测量式粉末状原料高度测量传感器
CN104142168A (zh) * 2013-05-06 2014-11-12 宁夏嘉翔自控技术有限公司 电流显示料位检测装置
DE102015104533A1 (de) 2015-03-25 2016-09-29 Endress + Hauser Gmbh + Co. Kg Elektromagnetische Antriebs-/Empfangseinheit für ein Feldgerät der Automatisierungstechnik

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE582760C (de) * 1928-10-28 1933-08-22 Neufeldt & Kuhnke G M B H Vorrichtung zum Anzeigen der Schichthoehe in geschlossenen Behaeltern (Bunkern) mit fluessigem, staubfoermigem oder feinkoernigem Gut, bestehend aus einem schwin-genden Gebilde, dessen Schwingung bei einer bestimmten Schichthoehe gedaempft wird
GB821148A (en) * 1956-09-06 1959-09-30 Bailey Meters Controls Ltd Improvements in apparatus for detecting the presence or absence at a location of a body of material
US3585457A (en) * 1969-05-01 1971-06-15 Fuller Co Material level sensing device and indicating system
JPS5334553A (en) * 1976-09-13 1978-03-31 Toshiba Corp Ultrasonic liquid level detector
JPS58606B2 (ja) * 1977-08-31 1983-01-07 株式会社日立製作所 音片式レベル検出装置
CH646252A5 (en) * 1978-12-22 1984-11-15 Grieshaber Vega Kg Device for detecting a predetermined filling level in a container
DE2933618A1 (de) * 1979-08-20 1981-03-26 Vega Grieshaber Kg, 77709 Wolfach Vorrichtung zur feststellung und/oder kontrolle eines bestimmten fuellstandes in einem behaelter
DE2855643B2 (de) * 1978-12-22 1980-10-16 Vega Vertrieb Und Fertigung Elektronischer Geraete Und Apparate Grieshaber Kg, 7620 Wolfach Vorrichtung zur Feststellung und/oder Kontrolle eines bestimmten Füllstandes in einem Behälter
DE2949162A1 (de) * 1979-12-06 1981-06-11 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Vorrichtung zur feststellung eines vorbestimmten fuellstandes
JPS56155332U (it) * 1980-04-22 1981-11-19
JPS57160633U (it) * 1981-04-01 1982-10-08
JPS6145455Y2 (it) * 1981-05-15 1986-12-20
JPS6029619Y2 (ja) * 1981-09-25 1985-09-06 日本特殊陶業株式会社 オイル不足によるエンジン停止装置
US4540981A (en) * 1981-10-29 1985-09-10 Edo Western Corporation Method and apparatus for detecting the presence of liquid

Also Published As

Publication number Publication date
CA1293390C (en) 1991-12-24
JPH07117440B2 (ja) 1995-12-18
JPS62293127A (ja) 1987-12-19
EP0248995A1 (de) 1987-12-16
DE3764716D1 (de) 1990-10-11
US4785663A (en) 1988-11-22
IT8720545A0 (it) 1987-05-15
DE3619678A1 (de) 1987-12-17
EP0248995B1 (de) 1990-09-05

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970528