CH611414A5 - - Google Patents

Info

Publication number: CH611414A5
Authority: CH; Switzerland

Application number

CH1361476A

Inventor

Harrison Ferdinand Edwards

Original Assignee

Liquidometer Corp

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.)

1975-11-06

Filing date

1976-10-28

Publication date

1979-05-31

1976-10-28 Application filed by Liquidometer Corp filed Critical Liquidometer Corp

1979-05-31 Publication of CH611414A5 publication Critical patent/CH611414A5/xx

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

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)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

CH1361476A 1975-11-06 1976-10-28 CH611414A5 (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/629,653 US4038871A (en)	1975-11-06	1975-11-06	Liquid level gauge

Publications (1)

Publication Number	Publication Date
CH611414A5 true CH611414A5 (it)	1979-05-31

Family

ID=24523903

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1361476A CH611414A5 (it)	1975-11-06	1976-10-28

Country Status (13)

Country	Link
US (1)	US4038871A (it)
JP (1)	JPS5258562A (it)
AU (1)	AU501812B2 (it)
BE (1)	BE847002A (it)
CA (1)	CA1067981A (it)
CH (1)	CH611414A5 (it)
DE (1)	DE2649921A1 (it)
ES (1)	ES453032A1 (it)
FR (1)	FR2331004A1 (it)
GB (1)	GB1531290A (it)
IL (1)	IL50637A (it)
IT (1)	IT1063454B (it)
NL (1)	NL7612054A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3920723A1 (de) *	1989-06-24	1991-01-10	Karlheinz Beckhausen	Als profilkoerper ausgebildeter sensor

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2824144C2 (de) *	1978-06-02	1983-12-08	Vdo Adolf Schindling Ag, 6000 Frankfurt	Einrichtung zur kapazitiven Niveauhöhenmessung von Flüssigkeiten oder Feststoffen
US4295366A (en) *	1979-05-29	1981-10-20	A. C. Company	Drilling fluid circulating and monitoring system and method
US4290305A (en) *	1979-05-29	1981-09-22	A. C. Company	Drilling fluid circulating and monitoring system and method
US4347740A (en) *	1979-11-13	1982-09-07	Magnetrol International, Incorporated	Capacitive level sensing device
DE3149463A1 (de) *	1980-12-15	1982-07-22	Nissan Motor Co., Ltd., Yokohama, Kanagawa	Fluessigkeitsbehaelter
DE3373703D1 (en) *	1982-09-09	1987-10-22	Shell Int Research	Capacitive level gauge
US4589077A (en) *	1983-07-27	1986-05-13	Southwest Pump Company	Liquid level and volume measuring method and apparatus
FR2550337B1 (fr) *	1983-08-03	1986-11-07	Renault	Sonde de mesure de niveau de liquide dans un reservoir ou une conduite
US5097703A (en) *	1984-11-30	1992-03-24	Aisin Seiki Kabushiki Kaisha	Capacitive probe for use in a system for remotely measuring the level of fluids
DE3617234A1 (de) *	1986-05-22	1987-11-26	Meyer Fa Rud Otto	Wasser- oder feuchtemelder
US4947689A (en) *	1989-01-13	1990-08-14	Hochstein Peter A	Capacitive liquid sensor
US5005409A (en) *	1989-01-13	1991-04-09	Teleflex Incorporated	Capacitive liquid sensor
US4982606A (en) *	1989-03-06	1991-01-08	Raytheon Company	Fluid level sensor and controller
AT402237B (de) *	1994-02-09	1997-03-25	Konecny Franz Ing	Füllstandsmessvorrichtung
AU2434497A (en) *	1996-04-03	1997-10-22	Robertshaw Controls Company	Fluid sensor
FR2851653B1 (fr) *	2003-02-26	2005-06-10	Intertechnique Sa	Jauge de mesure de niveau de carburant dans un reservoir et systeme de mesure de la masse de combustible dans ce reservoir
CN200986950Y (zh) *	2006-08-14	2007-12-05	奇鋐科技股份有限公司	具有液位侦测功能的燃料储存装置
US8410948B2 (en) *	2008-05-12	2013-04-02	John Vander Horst	Recreational vehicle holding tank sensor probe
US8590375B2 (en) *	2011-03-22	2013-11-26	Rochester Gauges, Inc.	Self-calibrating capacitive liquid level sensor assembly and method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2138677A (en) *	1934-08-08	1938-11-29	Charles A Meyer	Liquid measuring device
US2356593A (en) *	1939-03-22	1944-08-22	Koeppe Walter	Liquid operated electric control device
US2428700A (en) *	1943-09-17	1947-10-07	Wolgen Company	Capacitative feed-back device for electrical testing
US2622442A (en) *	1949-06-10	1952-12-23	Phillips Petroleum Co	Apparatus for measuring liquid levels
US2797284A (en) *	1953-07-27	1957-06-25	Phillips Petroleum Co	Liquid level measurement and control
US3103815A (en) *	1961-07-13	1963-09-17	Bendix Corp	Level gages
US3260883A (en) *	1962-01-09	1966-07-12	Atomic Energy Authority Uk	Switch for fast electrical discharge having a plurality of electrodes with a non-porous dielectric material inserted between the electrodes
DE1498404B2 (de) *	1965-05-17	1973-05-30	Ott, Albert, Dipl Ing , 6201 Aurin gen	Kapazitiver messumformer zur niveauhoehenmessung
US3553575A (en) *	1967-11-27	1971-01-05	Sonic Eng Corp	Capacitive sensing device having a slidable probe
US3774237A (en) *	1971-10-08	1973-11-20	Spearhead Inc	Differential methods and apparatus for measuring dielectric constant to determine a condition of a material
US3916689A (en) *	1973-06-25	1975-11-04	Simmonds Precision Products	Capacitance fuel tank gauge
US3935739A (en) *	1974-04-10	1976-02-03	Liquidometer Corporation	Liquid level gauging apparatus

1975
- 1975-11-06 US US05/629,653 patent/US4038871A/en not_active Expired - Lifetime
1976
- 1976-09-24 CA CA261,966A patent/CA1067981A/en not_active Expired
- 1976-09-29 FR FR7629210A patent/FR2331004A1/fr active Granted
- 1976-10-06 BE BE171289A patent/BE847002A/xx not_active IP Right Cessation
- 1976-10-10 IL IL50637A patent/IL50637A/xx unknown
- 1976-10-11 AU AU18539/76A patent/AU501812B2/en not_active Expired
- 1976-10-27 JP JP51129270A patent/JPS5258562A/ja active Pending
- 1976-10-28 CH CH1361476A patent/CH611414A5/xx not_active IP Right Cessation
- 1976-10-29 NL NL7612054A patent/NL7612054A/xx not_active Application Discontinuation
- 1976-10-29 DE DE19762649921 patent/DE2649921A1/de not_active Ceased
- 1976-11-05 ES ES453032A patent/ES453032A1/es not_active Expired
- 1976-11-05 GB GB46242/76A patent/GB1531290A/en not_active Expired
- 1976-11-05 IT IT29055/76A patent/IT1063454B/it active

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3920723A1 (de) *	1989-06-24	1991-01-10	Karlheinz Beckhausen	Als profilkoerper ausgebildeter sensor

Also Published As

Publication number	Publication date
FR2331004A1 (fr)	1977-06-03
DE2649921A1 (de)	1977-05-12
JPS5258562A (en)	1977-05-14
IT1063454B (it)	1985-02-11
AU501812B2 (en)	1979-06-28
BE847002A (fr)	1977-01-31
NL7612054A (nl)	1977-05-10
AU1853976A (en)	1978-04-20
US4038871A (en)	1977-08-02
GB1531290A (en)	1978-11-08
CA1067981A (en)	1979-12-11
ES453032A1 (es)	1977-11-16
IL50637A (en)	1979-01-31
IL50637A0 (en)	1976-12-31
FR2331004B3 (it)	1979-06-08

Publication	Publication Date	Title
FR2331004B3 (it)	1979-06-08
JPS5742470B2 (it)	1982-09-08
JPS557686B2 (it)	1980-02-27
JPS51106518A (it)	1976-09-21
JPS5326307Y2 (it)	1978-07-04
JPS552399Y2 (it)	1980-01-22
JPS5343191B2 (it)	1978-11-17
JPS51109603U (it)	1976-09-03
JPS51112154U (it)	1976-09-10
JPS51130206U (it)	1976-10-20
JPS51139594U (it)	1976-11-10
JPS5243348U (it)	1977-03-28
CH592548A5 (it)	1977-10-31
BG22649A1 (it)	1977-04-20
CH591249A5 (it)	1977-09-15
CH590646A5 (it)	1977-08-15
CH590520A5 (it)	1977-08-15
CH590451A5 (it)	1977-08-15
CH596120A5 (it)	1978-02-28
CH592763A5 (it)	1977-11-15
CH593405A5 (it)	1977-11-30
CH593493A5 (it)	1977-12-15
CH588745A5 (it)	1977-06-15
CH594078A5 (it)	1977-12-30
CH595189A5 (it)	1978-02-15

Legal Events

Date	Code	Title	Description
1988-06-30	PL	Patent ceased
2024-10-31	PL	Patent ceased

CH611414A5 - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (1)

Family

ID=24523903

Family Applications (1)

Country Status (13)

Cited By (1)

Families Citing this family (19)

Family Cites Families (12)

Cited By (1)

Also Published As

Similar Documents

Legal Events