FR2049911A5 - - Google Patents

Info

Publication number
FR2049911A5
FR2049911A5 FR7020518A FR7020518A FR2049911A5 FR 2049911 A5 FR2049911 A5 FR 2049911A5 FR 7020518 A FR7020518 A FR 7020518A FR 7020518 A FR7020518 A FR 7020518A FR 2049911 A5 FR2049911 A5 FR 2049911A5
Authority
FR
France
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
FR7020518A
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of FR2049911A5 publication Critical patent/FR2049911A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0091—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means
    • G01L9/0092—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means using variations in ohmic resistance
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Fluid Pressure (AREA)
FR7020518A 1969-06-11 1970-06-04 Expired FR2049911A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83235169A 1969-06-11 1969-06-11

Publications (1)

Publication Number Publication Date
FR2049911A5 true FR2049911A5 (fr) 1971-03-26

Family

ID=25261398

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7020518A Expired FR2049911A5 (fr) 1969-06-11 1970-06-04

Country Status (6)

Country Link
US (1) US3577785A (fr)
CH (1) CH523492A (fr)
DE (1) DE2028656C3 (fr)
FR (1) FR2049911A5 (fr)
GB (1) GB1248900A (fr)
NL (1) NL145958B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428823A1 (fr) * 1978-06-16 1980-01-11 Windeck Claude Capteur electrique manometrique hydrostatique notamment pour " jauge a essence " ou " a huile "

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2750050C2 (de) * 1977-11-09 1983-12-08 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Luftmengenmessung
JPS5583U (fr) * 1979-06-14 1980-01-05
US5189917A (en) * 1991-07-22 1993-03-02 Trustees Of Boston University Electrical mercury manometer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854301A (en) * 1930-05-22 1932-04-19 Meyer Geo J Mfg Co Removal of foil from bottles
US2219147A (en) * 1937-08-31 1940-10-22 Warren Webster & Co Electrical control apparatus
US2259260A (en) * 1939-10-30 1941-10-14 Actna Standard Engineering Com Method of cleaning strip
US2477411A (en) * 1944-06-10 1949-07-26 Linde Air Prod Co Metal surface conditioning apparatus and process
US2452367A (en) * 1946-04-05 1948-10-26 Drackett Co Drain trap cleaning device
US3470745A (en) * 1967-12-26 1969-10-07 Hoffmann La Roche Pressure to current transducing manometer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428823A1 (fr) * 1978-06-16 1980-01-11 Windeck Claude Capteur electrique manometrique hydrostatique notamment pour " jauge a essence " ou " a huile "

Also Published As

Publication number Publication date
DE2028656B2 (de) 1973-08-09
NL7008535A (fr) 1970-12-15
US3577785A (en) 1971-05-04
GB1248900A (en) 1971-10-06
DE2028656C3 (de) 1974-03-14
DE2028656A1 (de) 1970-12-17
NL145958B (nl) 1975-05-15
CH523492A (de) 1972-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse