GB587032A - Improvements in or relating to depth gauges for liquid reservoirs - Google Patents
Improvements in or relating to depth gauges for liquid reservoirsInfo
- Publication number
- GB587032A GB587032A GB1831443A GB1831443A GB587032A GB 587032 A GB587032 A GB 587032A GB 1831443 A GB1831443 A GB 1831443A GB 1831443 A GB1831443 A GB 1831443A GB 587032 A GB587032 A GB 587032A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- liquid
- vessel
- tubes
- vapour
- Prior art date
- 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
- G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
- G01F23/246—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 variations of resistance of resistors due to contact with conductor fluid thermal devices
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
587,032. Liquid-level indicators. PEARCE, M. Nov. 4, 1943, No. 18314. [Class 123 (i)] In a depth gauge of the Hampson's type for liquids having a critical temperature below ordinary atmospheric temperature suitable for a vacuum jacketed vessel for liquid methane, the evaporating tube 6 adapted to be immersed in the liquid with the upper part exposed to the atmosphere has thermally insulated means for conducting heat down to the liquid which enters the tube, thus emptying the tube of liquid and maintaining a pressure therein depending on the depth of liquid in the vessel and indicated on a pressure gauge connected to the top of the tube. The tube may itself form the heat conductor and may be insulated by a surrounding tube 7 having a basis of phenol-formaldehyde resin closed at top and bottom, the space between being evacuated or filled with air or with the vapour of a substance having a low vapour pressure at the temperature of the liquefied gas. The space between the tubes may be closed at the top only, so that it is filled with the vapour of the liquid being measured. The facing surface of the tubes may be highly polished, and both tubes may be of stainless steel. The heat conductor may be a thin polished copper wire within and not touching the evaporating tube, which may be of metal or a phenol-formaldehyde resin. The wire may have an insulating sleeve and may be a resistance wire or may terminate at the lower end of the tube in a small resistance coil through which current is passed. The evaporating tube leads from the bottom of the jacketed vessel to the top of a vessel of glycerol provided with a dip pipe leading back to the top of the jacketed vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1831443A GB587032A (en) | 1943-11-04 | 1943-11-04 | Improvements in or relating to depth gauges for liquid reservoirs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1831443A GB587032A (en) | 1943-11-04 | 1943-11-04 | Improvements in or relating to depth gauges for liquid reservoirs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB587032A true GB587032A (en) | 1947-04-11 |
Family
ID=10110360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1831443A Expired GB587032A (en) | 1943-11-04 | 1943-11-04 | Improvements in or relating to depth gauges for liquid reservoirs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB587032A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3031887A (en) * | 1960-12-01 | 1962-05-01 | Herrick L Johnston Inc | Device for measurement of liquid level or volume of liquefied gases |
| US3221551A (en) * | 1963-11-29 | 1965-12-07 | Little Inc A | Liquid level gage for cryogenic fluids |
-
1943
- 1943-11-04 GB GB1831443A patent/GB587032A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3031887A (en) * | 1960-12-01 | 1962-05-01 | Herrick L Johnston Inc | Device for measurement of liquid level or volume of liquefied gases |
| US3221551A (en) * | 1963-11-29 | 1965-12-07 | Little Inc A | Liquid level gage for cryogenic fluids |
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