FR2236172B1 - - Google Patents

Info

Publication number
FR2236172B1
FR2236172B1 FR7423114A FR7423114A FR2236172B1 FR 2236172 B1 FR2236172 B1 FR 2236172B1 FR 7423114 A FR7423114 A FR 7423114A FR 7423114 A FR7423114 A FR 7423114A FR 2236172 B1 FR2236172 B1 FR 2236172B1
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
FR7423114A
Other versions
FR2236172A1 (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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO 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
Priority claimed from DE19732333945 external-priority patent/DE2333945C3/de
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of FR2236172A1 publication Critical patent/FR2236172A1/fr
Application granted granted Critical
Publication of FR2236172B1 publication Critical patent/FR2236172B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/484—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring electrolyte level, electrolyte density or electrolyte conductivity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
FR7423114A 1973-07-04 1974-07-03 Expired FR2236172B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732333945 DE2333945C3 (de) 1973-07-04 Einrichtung zum kontinuierlichen Messen der Dichte einer Flüssigkeit unter Ausnutzung des Brechungsgesetzes

Publications (2)

Publication Number Publication Date
FR2236172A1 FR2236172A1 (fr) 1975-01-31
FR2236172B1 true FR2236172B1 (fr) 1978-11-24

Family

ID=5885880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423114A Expired FR2236172B1 (fr) 1973-07-04 1974-07-03

Country Status (5)

Country Link
US (1) US3932038A (fr)
JP (1) JPS5229190B2 (fr)
FR (1) FR2236172B1 (fr)
GB (1) GB1471685A (fr)
IT (1) IT1015603B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5351768A (en) * 1976-10-20 1978-05-11 Yuasa Battery Co Ltd Apparatus for measuring specific gravity of battery electrolyte
JPS5355156A (en) * 1976-10-29 1978-05-19 Yuasa Battery Co Ltd Apparatus for measuring specific gravity of battery electrolyte
JPS53148484A (en) * 1977-05-30 1978-12-25 Yuasa Battery Co Ltd Optical measuring device
US4256403A (en) * 1979-03-23 1981-03-17 Simmonds Precision Products, Inc. Combination water contaminant and fuel density detector
US4516864A (en) * 1982-12-27 1985-05-14 General Electric Company Non-contact sensing apparatus and method for polymer melt temperature profile determination
US4803470A (en) * 1986-04-23 1989-02-07 Howard Fineman Substance detector device
US4840137A (en) * 1987-07-01 1989-06-20 Casco Products Corporation Liquid level gauging apparatus
US4859987A (en) * 1987-12-11 1989-08-22 Casco Products Corporation Apparatus and method for monitoring liquid levels
US5015091A (en) * 1988-04-13 1991-05-14 Mitsubishi Denki K.K. Device for detecting alcoholic content
US5311274A (en) * 1992-05-11 1994-05-10 Cole Jr Charles F Fiber optic refractometer
US5279157A (en) * 1992-08-03 1994-01-18 Casco Products Corporation Liquid level monitor
US5442435A (en) * 1994-03-24 1995-08-15 Nartron Corporation Fluid composition sensor using reflected or refracted light monitoring
US5889284A (en) * 1997-11-06 1999-03-30 Casco Products Corporation Liquid level gauge having p-c board enclosed within probe
US5973774A (en) * 1998-04-08 1999-10-26 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Portable instrument to determine concentration of AFFF in fresh and sea water solutions
US5949219A (en) * 1998-07-24 1999-09-07 The United States Of America As Represented By The United States Department Of Energy Optical state-of-charge monitor for batteries
DE10007818A1 (de) * 2000-02-21 2001-08-23 Mahrt Karl Heinz Hochdruckfester kompakter Präzionsmeßkopf für hochgenaue optische Brechungsindexmessungen in ruhenden und strömenden Flüssigkeiten und Gasen, insbesondere geeignet für den massenhaften Einsatz in Einwegsonden für in situ-Untersuchungen in der Tiefsee
US6687643B1 (en) 2000-12-22 2004-02-03 Unirex, Inc. In-situ sensor system and method for data acquisition in liquids
DE102006052524B3 (de) * 2006-11-06 2007-12-06 Vb Autobatterie Gmbh & Co. Kgaa Säurezustandsanzeiger, Batterie, Verfahren zur Herstellung eines Säurezustandsanzeigers und Verfahren zum Herstellen einer Batterie
WO2019092762A1 (fr) * 2017-11-13 2019-05-16 Tortolini Paolo Dispositif de surveillance de systèmes d'accumulateurs au plomb

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569127A (en) * 1946-07-06 1951-09-25 Shell Dev Refractive index measurement of fluids
US2768553A (en) * 1950-08-31 1956-10-30 Goldberg Emanuel Refractometers
US3282149A (en) * 1963-04-10 1966-11-01 American Cyanamid Co Linear photoelectric refractometer
US3362224A (en) * 1964-12-28 1968-01-09 Illinois Tool Works Liquid level indicator
US3426211A (en) * 1965-10-21 1969-02-04 Honeywell Inc Refractometers
GB1116560A (en) * 1966-02-12 1968-06-06 Gullick Ltd Improvements in or relating to apparatus for the determination and/or control of the proportions of the constituents in a fluid mixture of emulsion

Also Published As

Publication number Publication date
DE2333945A1 (de) 1975-01-30
GB1471685A (en) 1977-04-27
JPS5039171A (fr) 1975-04-11
IT1015603B (it) 1977-05-20
US3932038A (en) 1976-01-13
DE2333945B2 (de) 1975-09-25
FR2236172A1 (fr) 1975-01-31
JPS5229190B2 (fr) 1977-07-30

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Legal Events

Date Code Title Description
ST Notification of lapse