FR2156179B1 - - Google Patents
Info
- Publication number
- FR2156179B1 FR2156179B1 FR7235695A FR7235695A FR2156179B1 FR 2156179 B1 FR2156179 B1 FR 2156179B1 FR 7235695 A FR7235695 A FR 7235695A FR 7235695 A FR7235695 A FR 7235695A FR 2156179 B1 FR2156179 B1 FR 2156179B1
- 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
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3647—Constructional arrangements for determining the ability of a battery to perform a critical function, e.g. cranking
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Emergency Alarm Devices (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712150477 DE2150477A1 (de) | 1971-10-09 | 1971-10-09 | Warneinrichtung zum anzeigen eines kritischen ladezustandes von starterbatterien bei fahrzeugen.- |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2156179A1 FR2156179A1 (https=) | 1973-05-25 |
| FR2156179B1 true FR2156179B1 (https=) | 1978-03-03 |
Family
ID=5821952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7235695A Expired FR2156179B1 (https=) | 1971-10-09 | 1972-10-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4061839A (https=) |
| DE (1) | DE2150477A1 (https=) |
| FR (1) | FR2156179B1 (https=) |
| GB (1) | GB1356718A (https=) |
| IT (1) | IT966197B (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329406A (en) * | 1981-03-27 | 1982-05-11 | Dahl Ernest A | Specific gravity transducer and battery performance indicator |
| JPS59143936A (ja) * | 1983-02-08 | 1984-08-17 | Idemitsu Kosan Co Ltd | 含水油剤の油分濃度の調節方法およびその装置 |
| US5550474A (en) * | 1985-05-03 | 1996-08-27 | Dahl; Ernest A. | Battery electrolyte-level and electrolyte-stratification sensing system |
| US5159272A (en) * | 1988-07-27 | 1992-10-27 | Gnb Incorporated | Monitoring device for electric storage battery and configuration therefor |
| FR2663788A1 (fr) * | 1990-06-22 | 1991-12-27 | Leborgne Christian | Accumulateur electrique a caisson transparent et indicateur flottant de niveau de liquide. |
| US5496658A (en) * | 1994-07-25 | 1996-03-05 | Exide Corporation | Storage battery state-of-charge indicator |
| US6789421B2 (en) * | 2002-01-11 | 2004-09-14 | Hewlett-Packard Development Company, L.P. | Density-based fuel indicator system for fuel cells |
| US9335241B2 (en) * | 2013-10-11 | 2016-05-10 | GM Global Technology Operations LLC | Monitoring capsule configured for measuring a property of a fluid within a vessel |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1764254A (en) * | 1925-10-23 | 1930-06-17 | Francis L Freas | Syringe hydrometer |
| US1832792A (en) * | 1925-10-26 | 1931-11-17 | Bosch Robert | Device for determining the specific gravity of liquids |
| US1965837A (en) * | 1930-12-06 | 1934-07-10 | Howard B Herdeg | Specific gravity and electrolyte level indicator for batteries |
| US2125219A (en) * | 1936-11-18 | 1938-07-26 | Bruce H Campbell | Rheostat for an electrical battery indicator |
| US2310700A (en) * | 1940-09-11 | 1943-02-09 | Joie C Knight | Battery charger |
| US2393717A (en) * | 1944-06-16 | 1946-01-29 | David M Speaker | Electronic surgical metal body locator |
| US2524600A (en) * | 1944-10-27 | 1950-10-03 | Raymond Earl | Apparatus for determining the specific gravity of fluids |
| US2580670A (en) * | 1948-06-28 | 1952-01-01 | Radio Frequency Lab Inc | Metal detector |
| US2664011A (en) * | 1949-02-18 | 1953-12-29 | Prec Thermometer And Instr Com | Liquid density measuring equipment |
| US3287175A (en) * | 1963-10-10 | 1966-11-22 | John B Teed | Battery acid level indicator |
-
1971
- 1971-10-09 DE DE19712150477 patent/DE2150477A1/de active Pending
-
1972
- 1972-10-04 IT IT53176/72A patent/IT966197B/it active
- 1972-10-06 US US05/295,489 patent/US4061839A/en not_active Expired - Lifetime
- 1972-10-06 GB GB4628472A patent/GB1356718A/en not_active Expired
- 1972-10-09 FR FR7235695A patent/FR2156179B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2150477A1 (de) | 1973-04-12 |
| IT966197B (it) | 1974-02-11 |
| US4061839A (en) | 1977-12-06 |
| FR2156179A1 (https=) | 1973-05-25 |
| GB1356718A (en) | 1974-06-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |