FR802705A - Methods and apparatus for controlling fluid flow, measuring liquid levels, and controlling material in heaps and other applications - Google Patents

Methods and apparatus for controlling fluid flow, measuring liquid levels, and controlling material in heaps and other applications

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Publication number
FR802705A
FR802705A FR802705DA FR802705A FR 802705 A FR802705 A FR 802705A FR 802705D A FR802705D A FR 802705DA FR 802705 A FR802705 A FR 802705A
Authority
FR
France
Prior art keywords
controlling
heaps
applications
methods
fluid flow
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
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.)
DETECTIF
Original Assignee
DETECTIF
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 DETECTIF filed Critical DETECTIF
Application granted granted Critical
Publication of FR802705A publication Critical patent/FR802705A/en
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6847—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct
    • 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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/246—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 resistance of resistors due to contact with conductor fluid thermal devices
FR802705D 1936-02-04 1936-02-04 Methods and apparatus for controlling fluid flow, measuring liquid levels, and controlling material in heaps and other applications Expired FR802705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802705T 1936-02-04

Publications (1)

Publication Number Publication Date
FR802705A true FR802705A (en) 1936-09-14

Family

ID=9249306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802705D Expired FR802705A (en) 1936-02-04 1936-02-04 Methods and apparatus for controlling fluid flow, measuring liquid levels, and controlling material in heaps and other applications

Country Status (1)

Country Link
FR (1) FR802705A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525197A (en) * 1944-11-30 1950-10-10 Jesse W Beams Thermal flowmeter
US2745283A (en) * 1950-01-23 1956-05-15 Hastings Instr Company Inc Temperature change compensated thermal measuring device
US3015232A (en) * 1957-10-02 1962-01-02 Flow Measurements Corp Flow cell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525197A (en) * 1944-11-30 1950-10-10 Jesse W Beams Thermal flowmeter
US2745283A (en) * 1950-01-23 1956-05-15 Hastings Instr Company Inc Temperature change compensated thermal measuring device
US3015232A (en) * 1957-10-02 1962-01-02 Flow Measurements Corp Flow cell

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