GB1060671A – Apparatus for capacitive measurement of the fullness of a container
– Google Patents
GB1060671A – Apparatus for capacitive measurement of the fullness of a container
– Google Patents
Apparatus for capacitive measurement of the fullness of a container
Info
Publication number
GB1060671A
GB1060671A
GB455464A
GB455464A
GB1060671A
GB 1060671 A
GB1060671 A
GB 1060671A
GB 455464 A
GB455464 A
GB 455464A
GB 455464 A
GB455464 A
GB 455464A
GB 1060671 A
GB1060671 A
GB 1060671A
Authority
GB
United Kingdom
Prior art keywords
slider
fullness
container
bridge
endress
Prior art date
1963-02-02
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
GB455464A
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.)
ALICE ENDRESS VOGT
Endress and Hauser SE and Co KG
Original Assignee
ALICE ENDRESS VOGT
Endress and Hauser SE and Co KG
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.)
1963-02-02
Filing date
1964-02-03
Publication date
1967-03-08
1964-02-03
Application filed by ALICE ENDRESS VOGT, Endress and Hauser SE and Co KG
filed
Critical
ALICE ENDRESS VOGT
1967-03-08
Publication of GB1060671A
publication
Critical
patent/GB1060671A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
Abstract
1,060,671. Determining liquid levels electrically. ENDRESS & HAUSER G. m. b. H. A. ENDRESS-VOGT, L. HAUSER, [trading as ENDRESS & HAUSEN G. m. b. H. & CO.] Feb. 3, 1964 [Feb. 2, 1963], No. 4554/64. Heading G1N. The fullness of a container is measured by a capacitive probe which incorporates a capacitor C12 (Fig. 1) to measure fullness and a dielectric constant compensating capacitor C13, the capacitors being connected in a bridge circuit unbalance of which is corrected by adjustment of resistor R11 and the position of the slider on R11 is an indication of fullness. The measuring capacitors are so balanced with C11 and C14 that with an empty container the deflection of the slider is zero. The unbalance voltage across the bridge is applied to a differential amplifier D10 the output of which is amplified at A10 and drives a motor M10 which moves the slider until the voltages V11, V13 are equal. Alternatively Fig. 2 (not shown) the differential amplifier may be connected directly across the bridge diagonal and will operate the motor to adjust one resistor the slider of which is earthed until the voltage drops, across each of the two resistors, are equal and the bridge is balanced. PROBE CONSTRUCTION. As shown Fig. 3, C12 is formed by concentric tubes 36, 37 and C13 by circular plates 43, 44, 45, held together by insulating distance pieces 47 and screws 46, the screws 46 electrically connecting plates 43, 45. The tubes 36, 37 are attached to a cover 53 of the container by an insulating member 33 a conductive distance piece 52 and a conductive holding ring 31. The electrical connection to the inner tube is through screw head 34 and a lead 40 is connected to the plate 44. The outer tube is connected through 31 and 52 to the centre tap of transformer T.
GB455464A
1963-02-02
1964-02-03
Apparatus for capacitive measurement of the fullness of a container
Expired
GB1060671A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
CH130863A
CH433792A
(en)
1963-02-02
1963-02-02
Arrangement for capacitive measurement of the fill level of a container
Publications (1)
Publication Number
Publication Date
GB1060671A
true
GB1060671A
(en)
1967-03-08
Family
ID=4207390
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB455464A
Expired
GB1060671A
(en)
1963-02-02
1964-02-03
Apparatus for capacitive measurement of the fullness of a container
Country Status (4)
Country
Link
CH
(1)
CH433792A
(en)
FR
(1)
FR1381816A
(en)
GB
(1)
GB1060671A
(en)
NL
(1)
NL6400751A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP1103796A1
(en)
*
1999-11-19
2001-05-30
ESEC Trading S.A.
Sensor for the detection of a predetermined level in a container
Families Citing this family (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2835744C2
(en)
*
1978-08-16
1985-12-12
Vdo Adolf Schindling Ag, 6000 Frankfurt
Device for continuous measurement of the liquid level in a container
1963
1963-02-02
CH
CH130863A
patent/CH433792A/en
unknown
1964
1964-01-30
NL
NL6400751A
patent/NL6400751A/xx
unknown
1964-01-30
FR
FR44413A
patent/FR1381816A/en
not_active
Expired
1964-02-03
GB
GB455464A
patent/GB1060671A/en
not_active
Expired
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP1103796A1
(en)
*
1999-11-19
2001-05-30
ESEC Trading S.A.
Sensor for the detection of a predetermined level in a container
SG90758A1
(en)
*
1999-11-19
2002-08-20
Esec Trading Sa
Sensor for the detection of a predetermined filling level of a container
Also Published As
Publication number
Publication date
FR1381816A
(en)
1964-12-14
NL6400751A
(en)
1964-08-03
CH433792A
(en)
1967-04-15
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