JPH0113523B2 - - Google Patents

Info

Publication number: JPH0113523B2
Authority: JP; Japan
Prior art keywords: pulse; pulse signal; liquid; generating means; period
Prior art date: 1981-06-22
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

JP56096350A

Other languages

English (en)

Japanese (ja)

Other versions

JPS57211018A (en

Inventor

Kyoshi Yamaki

Hidetaka Suzuki

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.)

Nissan Motor Co Ltd

Original Assignee

Nissan Motor Co Ltd

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.)

1981-06-22

Filing date

1981-06-22

Publication date

1989-03-07

1981-06-22 Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd

1981-06-22 Priority to JP56096350A priority Critical patent/JPS57211018A/ja

1982-03-12 Priority to US06/357,585 priority patent/US4444051A/en

1982-03-17 Priority to EP82102185A priority patent/EP0061148B1/fr

1982-03-17 Priority to DE8282102185T priority patent/DE3272970D1/de

1982-12-24 Publication of JPS57211018A publication Critical patent/JPS57211018A/ja

1989-03-07 Publication of JPH0113523B2 publication Critical patent/JPH0113523B2/ja

Status Granted legal-status Critical Current

Links

239000007788 liquid Substances 0.000 claims description 49
230000000630 rising effect Effects 0.000 claims 1
238000005259 measurement Methods 0.000 description 13
230000010355 oscillation Effects 0.000 description 11
238000010586 diagram Methods 0.000 description 5
238000001514 detection method Methods 0.000 description 2
NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000000284 extract Substances 0.000 description 1
239000003254 gasoline additive Substances 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1

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
- G01F23/266—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 measuring circuits therefor

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)

JP56096350A 1981-03-18 1981-06-22 Liquid quantity measuring circuit Granted JPS57211018A (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP56096350A JPS57211018A (en)	1981-06-22	1981-06-22	Liquid quantity measuring circuit
US06/357,585 US4444051A (en)	1981-03-18	1982-03-12	Electronic liquid level gauge
EP82102185A EP0061148B1 (fr)	1981-03-18	1982-03-17	Jauge électronique pour déterminer le niveau d'un liquide
DE8282102185T DE3272970D1 (en)	1981-03-18	1982-03-17	Electronic liquid level gauge

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP56096350A JPS57211018A (en)	1981-06-22	1981-06-22	Liquid quantity measuring circuit

Publications (2)

Publication Number	Publication Date
JPS57211018A JPS57211018A (en)	1982-12-24
JPH0113523B2 true JPH0113523B2 (fr)	1989-03-07

Family

ID=14162548

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP56096350A Granted JPS57211018A (en)	1981-03-18	1981-06-22	Liquid quantity measuring circuit

Country Status (1)

Country	Link
JP (1)	JPS57211018A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4947689A (en) *	1989-01-13	1990-08-14	Hochstein Peter A	Capacitive liquid sensor

1981
- 1981-06-22 JP JP56096350A patent/JPS57211018A/ja active Granted

Also Published As

Publication number	Publication date
JPS57211018A (en)	1982-12-24

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