IT7828307A0 - Rilevatore capacitivo del valore misurato. - Google Patents

Rilevatore capacitivo del valore misurato.

Info

Publication number: IT7828307A0
Authority: IT; Italy
Prior art keywords: measured value; capacitive detector; capacitive; detector; measured
Prior art date: 1977-10-05

Application number

IT7828307A

Other languages

English (en)

Other versions

IT1099223B (it

Original Assignee

Endress Hauser Gmbh 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.)

1977-10-05

Filing date

1978-09-29

Publication date

1978-09-29

1978-09-29 Application filed by Endress Hauser Gmbh Co filed Critical Endress Hauser Gmbh Co

1978-09-29 Publication of IT7828307A0 publication Critical patent/IT7828307A0/it

1985-09-18 Application granted granted Critical

1985-09-18 Publication of IT1099223B publication Critical patent/IT1099223B/it

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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/268—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Electromagnetism (AREA)
Thermal Sciences (AREA)
Fluid Mechanics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Measuring Temperature Or Quantity Of Heat (AREA)

IT28307/78A 1977-10-05 1978-09-29 Rilevatore capacitivo del valore misurato IT1099223B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2744820A DE2744820C3 (de)	1977-10-05	1977-10-05	Kapazitiver Meßwertumformer

Publications (2)

Publication Number	Publication Date
IT7828307A0 true IT7828307A0 (it)	1978-09-29
IT1099223B IT1099223B (it)	1985-09-18

Family

ID=6020728

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT28307/78A IT1099223B (it)	1977-10-05	1978-09-29	Rilevatore capacitivo del valore misurato

Country Status (9)

Country	Link
US (1)	US4245188A (it)
JP (2)	JPS5489660A (it)
CH (1)	CH634652A5 (it)
DE (1)	DE2744820C3 (it)
FR (1)	FR2405470A1 (it)
GB (1)	GB1586418A (it)
IT (1)	IT1099223B (it)
NL (1)	NL7809600A (it)
SE (1)	SE442783B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2058364B (en) *	1979-09-01	1983-03-23	Ferranti Ltd	Capacitance measuring apparatus
US4399404A (en) *	1981-02-23	1983-08-16	Resh Roy E	Moisture tester with probe
JPS5852520A (ja) *	1981-09-25	1983-03-28	Tatsuno:Kk	液量測定装置
JPS5872772A (ja) *	1981-10-27	1983-04-30	Yamatake Honeywell Co Ltd	シリンダ−のピストン位置検出装置
DE3328210C2 (de) *	1983-08-04	1986-01-09	Endress U. Hauser Gmbh U. Co, 7867 Maulburg	Kapazitiver Sensor
EP0205599A1 (en) *	1985-01-02	1986-12-30	BIRELEY, Richard L.	Soil moisture monitor
US4864857A (en) *	1988-03-16	1989-09-12	Koon Terry D	Level indicator
US5005407A (en) *	1988-10-11	1991-04-09	Level Electronics, Inc.	Fluid level sensing system
US4929885A (en) *	1988-11-08	1990-05-29	Troxler Electronic Laboratories, Inc.	Apparatus for measuring ground moisture content of soil
US4881873A (en) *	1988-12-14	1989-11-21	Altus Technology Corporation	Capacitance level sensor for a bilge pump
US5182545A (en) *	1989-01-06	1993-01-26	Standex International Corporation	Fluid level sensor having capacitive sensor
US4982606A (en) *	1989-03-06	1991-01-08	Raytheon Company	Fluid level sensor and controller
US5145323A (en) *	1990-11-26	1992-09-08	Tecumseh Products Company	Liquid level control with capacitive sensors
US5187979A (en) *	1991-04-26	1993-02-23	Edmark Iii Karl W	Multi-sensor probe assembly and method for fuel storage system including overflow protection means
US5293131A (en) *	1992-09-04	1994-03-08	Measurement Systems, Inc.	Capacitive probe for bore measurement
US5973415A (en) *	1997-08-28	1999-10-26	Kay-Ray/Sensall, Inc.	Capacitance level sensor
DE19756159C1 (de) *	1997-12-17	1999-06-02	Hiss Eckart	Sensor zur Erfassung des Vorhandenseins elektrisch isolierender Flüssigkeiten oder Granulate
EP0926474B1 (de) *	1997-12-24	2010-12-08	Endress + Hauser GmbH + Co. KG	Probe
SE522695C2 (sv)	2000-11-17	2004-03-02	Foss Tecator Ab	Metod och anordning för bildupptagning av små partiklar för analys av partiklarnas kvalitet
JP2002340653A (ja) *	2001-05-15	2002-11-27	Kyoto Platec:Kk	静電容量式液面センサー
GB2458536A (en) *	2008-03-28	2009-09-30	Edward Jelonek	Submersible fluid level sensor
US7838859B2 (en) *	2008-09-29	2010-11-23	Scully Signal Company	Fluid overfill probe with thermal stress prevention
AU2019257251B2 (en) *	2018-04-18	2023-04-13	Pitco Frialator, Inc.	Capacitive sensor device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2836739A (en) *	1956-04-10	1958-05-27	Gilbert & Barker Mfg Co	Electronic level sensitive apparatus
US3262032A (en) *	1964-04-01	1966-07-19	Magnetic Instr Co Div Of Polym	Capacitance type, depth measuring apparatus for conductive liquids
GB1071656A (en) *	1964-06-02	1967-06-07	Mirko Machacek	Capacitive responsive apparatus
US3826980A (en) *	1967-12-27	1974-07-30	Pfaudler Werke Ag	Enameled electrical sensing probe
DE1673841C3 (de) *	1968-03-18	1978-04-20	Werner Dipl.-Ing. 6840 Lampertheim Schaller	Berührungsloser kapazitiver
US3909948A (en) *	1974-02-04	1975-10-07	Universal Oil Prod Co	Electronic water level indicator
US3870951A (en) *	1974-03-06	1975-03-11	Ontario Research Foundation	Moisture measuring probe
DE2448205C2 (de) *	1974-10-09	1985-08-22	Endress U. Hauser Gmbh U. Co, 7867 Maulburg	Kapazitive Sonde
NO753056L (it) *	1975-01-23	1976-07-26	Gebhard Electro Bv

1977
- 1977-10-05 DE DE2744820A patent/DE2744820C3/de not_active Expired
1978
- 1978-05-26 GB GB23516/78A patent/GB1586418A/en not_active Expired
- 1978-09-21 NL NL7809600A patent/NL7809600A/xx not_active Application Discontinuation
- 1978-09-27 US US05/946,365 patent/US4245188A/en not_active Expired - Lifetime
- 1978-09-29 IT IT28307/78A patent/IT1099223B/it active
- 1978-10-03 FR FR7828200A patent/FR2405470A1/fr active Granted
- 1978-10-04 CH CH1029578A patent/CH634652A5/de not_active IP Right Cessation
- 1978-10-04 SE SE7810417A patent/SE442783B/sv not_active IP Right Cessation
- 1978-10-05 JP JP12310378A patent/JPS5489660A/ja active Pending
1983
- 1983-07-14 JP JP1983108339U patent/JPS5952423U/ja active Pending

Also Published As

Publication number	Publication date
IT1099223B (it)	1985-09-18
SE442783B (sv)	1986-01-27
JPS5489660A (en)	1979-07-16
CH634652A5 (de)	1983-02-15
FR2405470A1 (fr)	1979-05-04
DE2744820B2 (de)	1979-11-22
JPS5952423U (ja)	1984-04-06
NL7809600A (nl)	1979-04-09
GB1586418A (en)	1981-03-18
US4245188A (en)	1981-01-13
SE7810417L (sv)	1979-04-06
DE2744820A1 (de)	1979-04-19
DE2744820C3 (de)	1980-08-07
FR2405470B1 (it)	1981-02-27

Publication	Publication Date	Title
IT7828307A0 (it)	1978-09-29	Rilevatore capacitivo del valore misurato.
NL7804721A (nl)	1978-11-13	Medicinale sonde.
NL7806323A (nl)	1978-12-12	Veelcellige roentgenstralingsdetector.
SE7703612L (sv)	1977-10-06	Overgangsdetektor
NL174691B (nl)	1984-02-16	Capacitieve toets.
NL7802898A (nl)	1978-09-20	Draineerbuis.
NL7802969A (nl)	1979-04-26	Capacitieve spanningsdeler.
NL7806748A (nl)	1978-12-28	Stralingsdetector.
NL7800060A (nl)	1978-09-20	Roentgenbuis.
AT375190B (de)	1984-07-10	Messelektrode, insbesondere glaselektrode
FI780339A (fi)	1978-08-05	Foerfarande foer behandling av avfallsvatten.
NL7703295A (nl)	1978-10-02	Roentgendetektor.
AR221182A1 (es)	1980-12-30	Detector de monedas capacitivo
NO780478L (no)	1978-08-29	Null-detektor.
NO774182L (no)	1978-06-21	Detektor.
NL7704473A (nl)	1978-10-27	Roentgenbuis.
IT8022879A0 (it)	1980-06-18	Rilevatore del valore misurato.
AT367211B (de)	1982-06-11	Kapazitiver messwandler
NL7703294A (nl)	1978-10-02	Roentgendetektor.
NL7707295A (nl)	1978-05-03	Plaatsgevoelige analoge telbuis.
NL186123C (nl)	1990-09-17	Roentgendetector.
FI783923A (fi)	1979-06-23	Befraemjande av tillvaext
NL184812C (nl)	1989-11-01	Roentgenbuis.
NL7800561A (nl)	1978-07-19	Meettransducent.
NL7704474A (nl)	1978-10-27	Roentgenbuis.