NL6614501A - - Google Patents
Info
- Publication number
- NL6614501A NL6614501A NL6614501A NL6614501A NL6614501A NL 6614501 A NL6614501 A NL 6614501A NL 6614501 A NL6614501 A NL 6614501A NL 6614501 A NL6614501 A NL 6614501A NL 6614501 A NL6614501 A NL 6614501A
- Authority
- NL
- Netherlands
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
-
- 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
- G01F23/02—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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5376765 | 1965-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6614501A true NL6614501A (fr) | 1967-06-19 |
Family
ID=10468912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6614501A NL6614501A (fr) | 1965-12-18 | 1966-10-14 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3370469A (fr) |
FR (1) | FR1502377A (fr) |
NL (1) | NL6614501A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3505868A (en) * | 1967-11-08 | 1970-04-14 | Clark Reliance Corp | Viewing device for liquid level gages |
US3794428A (en) * | 1972-04-21 | 1974-02-26 | Gen Motors Corp | Optical liquid level indicator |
JPS5130769A (ja) * | 1974-09-09 | 1976-03-16 | Mitsubishi Heavy Ind Ltd | Ekimenkenshutsusochi |
US7597000B2 (en) * | 2006-07-27 | 2009-10-06 | Hamilton Sundstrand Corporation | Top view liquid sight level indicator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1737126A (en) * | 1927-05-24 | 1929-11-26 | Reyling George | Liquid-level indicator |
GB879248A (en) * | 1959-06-02 | 1961-10-11 | Hopkinsons Ltd | Improvements relating to water level indicators |
US3128626A (en) * | 1961-12-11 | 1964-04-14 | Diamond Power Speciality | Illuminator for liquid level gauge |
-
1966
- 1966-09-13 US US579051A patent/US3370469A/en not_active Expired - Lifetime
- 1966-10-14 NL NL6614501A patent/NL6614501A/xx unknown
- 1966-11-29 FR FR85320A patent/FR1502377A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3370469A (en) | 1968-02-27 |
FR1502377A (fr) | 1967-11-18 |