JPS5211062A - Method of detecting level of engine oil and level indicator circuit - Google Patents
Method of detecting level of engine oil and level indicator circuitInfo
- Publication number
- JPS5211062A JPS5211062A JP8245376A JP8245376A JPS5211062A JP S5211062 A JPS5211062 A JP S5211062A JP 8245376 A JP8245376 A JP 8245376A JP 8245376 A JP8245376 A JP 8245376A JP S5211062 A JPS5211062 A JP S5211062A
- Authority
- JP
- Japan
- Prior art keywords
- level
- engine oil
- indicator circuit
- detecting
- level indicator
- Prior art date
- 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.)
- Pending
Links
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59505075A | 1975-07-11 | 1975-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5211062A true JPS5211062A (en) | 1977-01-27 |
Family
ID=24381512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8245376A Pending JPS5211062A (en) | 1975-07-11 | 1976-07-10 | Method of detecting level of engine oil and level indicator circuit |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5211062A (en) |
DE (1) | DE2631061A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56125591U (en) * | 1980-02-27 | 1981-09-24 | ||
JPS57175893U (en) * | 1981-05-01 | 1982-11-06 | ||
JPS58127288U (en) * | 1982-02-22 | 1983-08-29 | 明星工業株式会社 | metal insulation material |
JPS60102587U (en) * | 1983-12-19 | 1985-07-12 | 北海道水道機材株式会社 | Fittings for covering water pipes on water pipe bridges |
JPS62196998U (en) * | 1986-06-05 | 1987-12-15 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3314872A1 (en) * | 1983-04-25 | 1984-10-25 | Vdo Adolf Schindling Ag, 6000 Frankfurt | DEVICE FOR DETECTING THE LEVEL AT THE SITE OF A SENSOR |
DE3721212A1 (en) * | 1987-06-26 | 1989-01-05 | Vega Grieshaber Gmbh & Co | LEVEL MEASURING DEVICE WITH ULTRASONIC TRANSDUCER |
US4964090A (en) * | 1989-07-19 | 1990-10-16 | Trw, Inc. | Ultrasonic fluid level sensor |
DE102011105813A1 (en) * | 2011-05-05 | 2012-11-08 | Hydac Technology Gmbh | Sensor device for detecting fluid media, a printing device and a measuring method |
DE102013114045A1 (en) * | 2013-12-13 | 2015-06-18 | Endress + Hauser Gmbh + Co. Kg | System for determining and / or monitoring a process variable of a medium |
-
1976
- 1976-07-09 DE DE19762631061 patent/DE2631061A1/en not_active Ceased
- 1976-07-10 JP JP8245376A patent/JPS5211062A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56125591U (en) * | 1980-02-27 | 1981-09-24 | ||
JPS639833Y2 (en) * | 1980-02-27 | 1988-03-23 | ||
JPS57175893U (en) * | 1981-05-01 | 1982-11-06 | ||
JPS6131599Y2 (en) * | 1981-05-01 | 1986-09-13 | ||
JPS58127288U (en) * | 1982-02-22 | 1983-08-29 | 明星工業株式会社 | metal insulation material |
JPS60102587U (en) * | 1983-12-19 | 1985-07-12 | 北海道水道機材株式会社 | Fittings for covering water pipes on water pipe bridges |
JPS62196998U (en) * | 1986-06-05 | 1987-12-15 |
Also Published As
Publication number | Publication date |
---|---|
DE2631061A1 (en) | 1977-01-27 |
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