FR1441558A - Ultrasonic liquid level indicating device - Google Patents

Ultrasonic liquid level indicating device

Info

Publication number
FR1441558A
FR1441558A FR11789A FR11789A FR1441558A FR 1441558 A FR1441558 A FR 1441558A FR 11789 A FR11789 A FR 11789A FR 11789 A FR11789 A FR 11789A FR 1441558 A FR1441558 A FR 1441558A
Authority
FR
France
Prior art keywords
liquid level
indicating device
level indicating
ultrasonic liquid
ultrasonic
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.)
Expired
Application number
FR11789A
Other languages
French (fr)
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.)
ZD Y V I PLZEN NARODNI PODNIK
Zavody VI Lenina Plzen np
Original Assignee
ZD Y V I PLZEN NARODNI PODNIK
Zavody VI Lenina Plzen np
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
Priority to FR11789A priority Critical patent/FR11789E/en
Application filed by ZD Y V I PLZEN NARODNI PODNIK, Zavody VI Lenina Plzen np filed Critical ZD Y V I PLZEN NARODNI PODNIK
Priority to FR11789A priority patent/FR1441558A/en
Application granted granted Critical
Publication of FR1441558A publication Critical patent/FR1441558A/en
Expired 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
    • 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
    • G01F23/2962—Measuring transit time of reflected waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR11789A 1909-01-06 1965-04-02 Ultrasonic liquid level indicating device Expired FR1441558A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR11789A FR11789E (en) 1909-01-06 1909-02-24 Device for using low volatile carbides in internal combustion engines, in particular for motor cars
FR11789A FR1441558A (en) 1965-04-02 1965-04-02 Ultrasonic liquid level indicating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR11789A FR1441558A (en) 1965-04-02 1965-04-02 Ultrasonic liquid level indicating device

Publications (1)

Publication Number Publication Date
FR1441558A true FR1441558A (en) 1966-06-10

Family

ID=8575563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR11789A Expired FR1441558A (en) 1909-01-06 1965-04-02 Ultrasonic liquid level indicating device

Country Status (1)

Country Link
FR (1) FR1441558A (en)

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