JPS5211062A - Method of detecting level of engine oil and level indicator circuit - Google Patents

Method of detecting level of engine oil and level indicator circuit

Info

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
Application number
JP8245376A
Other languages
Japanese (ja)
Inventor
Pieeru Suuiinii Rui
Edowaado Shiyuuto Rairu
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.)
Duracell Inc USA
Original Assignee
PR Mallory and Co Inc
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.)
Filing date
Publication date
Application filed by PR Mallory and Co Inc filed Critical PR Mallory and Co Inc
Publication of JPS5211062A publication Critical patent/JPS5211062A/en
Pending legal-status Critical Current

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)
JP8245376A 1975-07-11 1976-07-10 Method of detecting level of engine oil and level indicator circuit Pending JPS5211062A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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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