IT8320773A0 - Dispositivo rilevatore di livello sensibile al carico. - Google Patents

Dispositivo rilevatore di livello sensibile al carico.

Info

Publication number
IT8320773A0
IT8320773A0 IT8320773A IT2077383A IT8320773A0 IT 8320773 A0 IT8320773 A0 IT 8320773A0 IT 8320773 A IT8320773 A IT 8320773A IT 2077383 A IT2077383 A IT 2077383A IT 8320773 A0 IT8320773 A0 IT 8320773A0
Authority
IT
Italy
Prior art keywords
level detector
load sensitive
sensitive level
load
detector
Prior art date
Application number
IT8320773A
Other languages
English (en)
Other versions
IT1161179B (it
Inventor
Michihiro Murata Akira Kumada
Original Assignee
Murata Manufacturing Co
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 claimed from JP6938882A external-priority patent/JPS58186015A/ja
Priority claimed from JP8692382A external-priority patent/JPS58202832A/ja
Application filed by Murata Manufacturing Co filed Critical Murata Manufacturing Co
Publication of IT8320773A0 publication Critical patent/IT8320773A0/it
Application granted granted Critical
Publication of IT1161179B publication Critical patent/IT1161179B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • 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
IT20773/83A 1982-04-23 1983-04-22 Dispositivo rilevatore di livello sensibile al carico IT1161179B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6938882A JPS58186015A (ja) 1982-04-23 1982-04-23 荷重検出装置
JP8692382A JPS58202832A (ja) 1982-05-21 1982-05-21 荷重検出装置

Publications (2)

Publication Number Publication Date
IT8320773A0 true IT8320773A0 (it) 1983-04-22
IT1161179B IT1161179B (it) 1987-03-11

Family

ID=26410594

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20773/83A IT1161179B (it) 1982-04-23 1983-04-22 Dispositivo rilevatore di livello sensibile al carico

Country Status (4)

Country Link
US (1) US4570482A (it)
DE (1) DE3314224A1 (it)
GB (1) GB2119090B (it)
IT (1) IT1161179B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644789A (en) * 1985-12-20 1987-02-24 Clevite Industries Inc. Liquid level indicator system
US5035140A (en) * 1988-11-03 1991-07-30 The Boeing Company Self cleaning liquid level detector
DE4035743A1 (de) * 1989-11-10 1991-05-29 Asahi Optical Co Ltd Tonermangeldetektoreinrichtung
DE4008135A1 (de) * 1990-03-14 1991-09-19 Endress Hauser Gmbh Co Vorrichtung zur feststellung und/oder ueberwachung eines vorbestimmten fuellstands in einem behaelter
DE4100338A1 (de) * 1991-01-08 1992-07-09 Nied Roland Verfahren zum ermitteln des grades der befuellung eines behaelters
US5495315A (en) * 1991-03-27 1996-02-27 Xerox Corporation Level sensing apparatus
EP0745833A3 (en) * 1991-07-25 1998-09-23 The Whitaker Corporation Liquid level sensor
US5862431A (en) * 1997-04-25 1999-01-19 Hewlett-Packard Company Toner powder level sensing using element and pulse signal and toner powder presence sensing using piezoelectric film
DE19820419A1 (de) * 1998-05-07 1999-11-18 Fraunhofer Ges Forschung Ultraschallwandler
US6799820B1 (en) * 1999-05-20 2004-10-05 Seiko Epson Corporation Liquid container having a liquid detecting device
CN100346978C (zh) 2000-05-18 2007-11-07 精工爱普生株式会社 墨水罐
EP1283110B1 (en) * 2000-05-18 2009-03-04 Seiko Epson Corporation Ink consumption detecting method, and ink jet recording apparatus
US7137679B2 (en) * 2000-05-18 2006-11-21 Seiko Epson Corporation Ink consumption detecting method, and ink jet recording apparatus
US7225670B2 (en) * 2000-05-18 2007-06-05 Seiko Epson Corporation Mounting structure, module, and liquid container
ES2261297T3 (es) * 2000-06-15 2006-11-16 Seiko Epson Corporation Metodo de carga de liquido, recipiente de liquido y metodo para fabricar el mismo.
EP1300245B1 (en) * 2000-07-07 2010-04-14 Seiko Epson Corporation Liquid container, ink-jet recording apparatus, device and method for controlling the apparatus, liquid consumption sensing device and method
EP1176403A3 (en) * 2000-07-28 2003-03-19 Seiko Epson Corporation Detector of liquid consumption condition
DE102008039549A1 (de) * 2008-08-25 2010-03-04 OCé PRINTING SYSTEMS GMBH Sensoranordnung zur Überwachung des Füllstandes eines ein Füllgut aufweisenden Behälters mit Hilfe eines Schwingkörpers

Family Cites Families (17)

* 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
US2376304A (en) * 1943-08-07 1945-05-15 Gen Mills Inc Bin level control
DE958776C (de) * 1951-06-16 1957-02-21 Electroacustic Ges M B H Fuellhoehenbestimmung in Bunkern
US3005135A (en) * 1958-06-04 1961-10-17 Borg Warner Servomotor control systems employing transducers
GB988576A (en) * 1960-07-25 1965-04-07 Ici Australia Ltd Apparatus for detecting or controlling the level of material in a container
US3150654A (en) * 1963-07-11 1964-09-29 Ford Motor Co Combustion chamber
GB1142314A (en) * 1966-02-24 1969-02-05 Bissett Berman Corp Vibratory wire pressure transducer
FR1514156A (fr) * 1966-11-08 1968-02-23 Realisations Ultrasoniques Sa Appareil de mesure de niveaux par réflexion d'impulsions ultrasonores
GB1288378A (it) * 1968-11-18 1972-09-06
GB1512233A (en) * 1974-03-20 1978-05-24 Matsushita Electric Ind Co Ltd Piezoelectric presence sensitive apparatus
DE2529239A1 (de) * 1975-07-01 1977-02-03 Fraunhofer Ges Forschung Fuellstandsgrenzwertanzeiger
JPS5212860A (en) * 1975-07-21 1977-01-31 Sanko Kuki Sochi Kk Level detector
US4074565A (en) * 1977-02-17 1978-02-21 The Slope Indicator Company Vibratory-wire strain gage
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
JPS5439158A (en) * 1977-09-02 1979-03-26 Hitachi Ltd Level detector of tuning fork type
JPS5536874A (en) * 1978-09-08 1980-03-14 Konishiroku Photo Ind Co Ltd Detection method for toner remainder
GB2054853B (en) * 1979-07-12 1983-06-29 Bestobell Mobrey Ltd Device for sensing the presence of contents at a certain level in a container

Also Published As

Publication number Publication date
US4570482A (en) 1986-02-18
IT1161179B (it) 1987-03-11
DE3314224A1 (de) 1983-12-22
GB8310779D0 (en) 1983-05-25
GB2119090A (en) 1983-11-09
GB2119090B (en) 1986-04-23

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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: 19970429