JPS51105856A - - Google Patents
Info
- Publication number
- JPS51105856A JPS51105856A JP50031929A JP3192975A JPS51105856A JP S51105856 A JPS51105856 A JP S51105856A JP 50031929 A JP50031929 A JP 50031929A JP 3192975 A JP3192975 A JP 3192975A JP S51105856 A JPS51105856 A JP S51105856A
- Authority
- JP
- Japan
- 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.)
- Granted
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 |
|---|---|
| JPS51105856A true JPS51105856A (US07321065-20080122-C00160.png) | 1976-09-20 |
| JPS5818607B2 JPS5818607B2 (ja) | 1983-04-14 |
Family
ID=23794969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50031929A Expired JPS5818607B2 (ja) | 1974-03-18 | 1975-03-18 | エキメンタカサヒヨウジキ |
Country Status (8)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (21)
| 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 |
| 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 |
| US9316522B2 (en) * | 2012-08-08 | 2016-04-19 | Eaton Corporation | Visual indicator with sensor |
| US9316524B2 (en) | 2012-08-08 | 2016-04-19 | Eaton Corporation | Visual indicator with sensor |
| US10378949B2 (en) * | 2014-06-10 | 2019-08-13 | Bayer Healthcare Llc | Syringe with indicator float |
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/en 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7502971L (US07321065-20080122-C00160.png) | 1975-09-19 |
| CA1015615A (en) | 1977-08-16 |
| IT1034282B (it) | 1979-09-10 |
| US3893339A (en) | 1975-07-08 |
| JPS5818607B2 (ja) | 1983-04-14 |
| SE403831B (sv) | 1978-09-04 |
| FR2265071B3 (US07321065-20080122-C00160.png) | 1977-11-25 |
| FR2265071A1 (US07321065-20080122-C00160.png) | 1975-10-17 |
| GB1495417A (en) | 1977-12-21 |
| DE2511427A1 (de) | 1975-09-25 |
