FR2265071B3 - - Google Patents
Info
- Publication number
- FR2265071B3 FR2265071B3 FR7508297A FR7508297A FR2265071B3 FR 2265071 B3 FR2265071 B3 FR 2265071B3 FR 7508297 A FR7508297 A FR 7508297A FR 7508297 A FR7508297 A FR 7508297A FR 2265071 B3 FR2265071 B3 FR 2265071B3
- 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
-
- 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
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
- G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Gasket Seals (AREA)
- Sealing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US452086A US3893339A (en) | 1974-03-18 | 1974-03-18 | Liquid level indicator |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2265071A1 FR2265071A1 (fr) | 1975-10-17 |
FR2265071B3 true FR2265071B3 (fr) | 1977-11-25 |
Family
ID=23794969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7508297A Expired FR2265071B3 (fr) | 1974-03-18 | 1975-03-17 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3893339A (fr) |
JP (1) | JPS5818607B2 (fr) |
CA (1) | CA1015615A (fr) |
DE (1) | DE2511427A1 (fr) |
FR (1) | FR2265071B3 (fr) |
GB (1) | GB1495417A (fr) |
IT (1) | IT1034282B (fr) |
SE (1) | SE403831B (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3954010A (en) * | 1975-04-25 | 1976-05-04 | Illinois Tool Works Inc. | Visual and electronic battery hydrometer |
US4209205A (en) * | 1977-12-20 | 1980-06-24 | Caterpillar Tractor Co. | Inspection of track assemblies |
US4240282A (en) * | 1979-09-27 | 1980-12-23 | Illinois Tool Works Inc. | Combined level indicator and hydrometer |
US4308817A (en) * | 1980-08-19 | 1982-01-05 | Illinois Tool Works Inc. | State of charge battery monitor |
DE3038432A1 (de) * | 1980-10-11 | 1982-07-22 | Illinois Tool Works Inc., 60631 Chicago, Ill. | Fluessigkeitsstandindikator und hydrometer |
US4353252A (en) * | 1980-10-23 | 1982-10-12 | Cadbury Schweppes Plc | Liquid level sensor |
JPS58180457U (ja) * | 1982-05-26 | 1983-12-02 | 新神戸電機株式会社 | 電解液の比重液面検出装置 |
DE3247659A1 (de) * | 1982-12-23 | 1984-06-28 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | Optischer sensor |
US4670660A (en) * | 1985-04-04 | 1987-06-02 | Aeroquip Corporation | Optical liquid level indicator and method |
DE8802367U1 (de) * | 1988-02-24 | 1988-05-05 | Niehüser, Hermann, Dipl.-Ing., 4831 Langenberg | Schnellverschluß für/an stationären und fahrbaren Tankbehältern |
US4866428A (en) * | 1988-03-08 | 1989-09-12 | Illinois Tool Works, Inc. | Remote battery cell specific gravity and electrolytic level monitor using floats and optical couplers |
US5180643A (en) * | 1991-12-16 | 1993-01-19 | Illinois Tool Works Inc. | Hydrometer collar improvement |
US6121755A (en) * | 1999-06-03 | 2000-09-19 | Illinois Tool Works Inc. | Optical-electronic battery indicator |
US6429447B1 (en) | 1999-06-09 | 2002-08-06 | Illinois Tool Works Inc. | Fluid level indicator |
US6393910B1 (en) * | 2000-01-25 | 2002-05-28 | Illinois Tool Works Inc. | One-piece battery charge indicator cage |
US7228737B2 (en) * | 2004-08-06 | 2007-06-12 | Illinois Tool Works Inc | Hydrometer/fluid level sensor |
US7430907B2 (en) * | 2004-08-06 | 2008-10-07 | Illinois Tool Works Inc. | Hydrometer/fluid level sensor |
DE102005018897A1 (de) * | 2005-04-22 | 2006-10-26 | Hydac Accessories Gmbh | Vorrichtung zum Anzeigen und/oder Kontrollieren von Fluiden |
US20070240627A1 (en) * | 2006-04-18 | 2007-10-18 | Summer Mark J | Fluid lever indicator protection sleeve |
US9316524B2 (en) | 2012-08-08 | 2016-04-19 | Eaton Corporation | Visual indicator with sensor |
US9316522B2 (en) * | 2012-08-08 | 2016-04-19 | Eaton Corporation | Visual indicator with sensor |
WO2015191560A1 (fr) * | 2014-06-10 | 2015-12-17 | Bayer Medical Care Inc. | Seringue avec flotteur indicateur |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1221997B (de) * | 1960-11-14 | 1966-07-28 | Mueller Artur Fa | Muffenrohrverbinder, insbesondere zur Verbindung eines Spuelrohrs mit einem Klosettbecken |
DE1866294U (de) * | 1961-08-21 | 1963-01-24 | Schraubenfabrik Mayweg K G | Verbinder zum anschluss des spuelrohres an dem klosett. |
US3362224A (en) * | 1964-12-28 | 1968-01-09 | Illinois Tool Works | Liquid level indicator |
US3379576A (en) * | 1965-07-21 | 1968-04-23 | Gen Motors Corp | Electrolyte level indicator |
US3383917A (en) * | 1965-12-08 | 1968-05-21 | Illinois Tool Works | Liquid level indicator |
US3570311A (en) * | 1969-03-19 | 1971-03-16 | Illinois Tool Works | Liquid level indicator assembly |
US3597971A (en) * | 1969-09-08 | 1971-08-10 | Illinois Tool Works | Combined level indicator and hydrometer |
US3615868A (en) * | 1970-02-20 | 1971-10-26 | Illinois Tool Works | Battery cap assembly |
-
1974
- 1974-03-18 US US452086A patent/US3893339A/en not_active Expired - Lifetime
-
1975
- 1975-03-11 CA CA221,798A patent/CA1015615A/fr not_active Expired
- 1975-03-14 IT IT21271/75A patent/IT1034282B/it active
- 1975-03-15 DE DE19752511427 patent/DE2511427A1/de not_active Withdrawn
- 1975-03-17 FR FR7508297A patent/FR2265071B3/fr not_active Expired
- 1975-03-17 SE SE7502971A patent/SE403831B/xx unknown
- 1975-03-18 GB GB11114/75A patent/GB1495417A/en not_active Expired
- 1975-03-18 JP JP50031929A patent/JPS5818607B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2511427A1 (de) | 1975-09-25 |
GB1495417A (en) | 1977-12-21 |
JPS51105856A (fr) | 1976-09-20 |
SE403831B (sv) | 1978-09-04 |
JPS5818607B2 (ja) | 1983-04-14 |
CA1015615A (fr) | 1977-08-16 |
US3893339A (en) | 1975-07-08 |
FR2265071A1 (fr) | 1975-10-17 |
IT1034282B (it) | 1979-09-10 |
SE7502971L (fr) | 1975-09-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |