GB2166870B - Liquid detector for air pressure type fire sprinkler system - Google Patents
Liquid detector for air pressure type fire sprinkler systemInfo
- Publication number
- GB2166870B GB2166870B GB8518802A GB8518802A GB2166870B GB 2166870 B GB2166870 B GB 2166870B GB 8518802 A GB8518802 A GB 8518802A GB 8518802 A GB8518802 A GB 8518802A GB 2166870 B GB2166870 B GB 2166870B
- Authority
- GB
- United Kingdom
- Prior art keywords
- air pressure
- pressure type
- type fire
- sprinkler system
- fire sprinkler
- 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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63558184A | 1984-07-30 | 1984-07-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8518802D0 GB8518802D0 (en) | 1985-08-29 |
GB2166870A GB2166870A (en) | 1986-05-14 |
GB2166870B true GB2166870B (en) | 1989-07-19 |
Family
ID=24548357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8518802A Expired GB2166870B (en) | 1984-07-30 | 1985-07-25 | Liquid detector for air pressure type fire sprinkler system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2166870B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231961A (en) * | 1989-05-18 | 1990-11-28 | Peng Wen Bing | Liquid level sensing circuit |
IT1238286B (en) * | 1990-03-26 | 1993-07-12 | LIQUID LEVEL SENSOR DEVICE FOR STEAM BOILERS. | |
US20100109886A1 (en) * | 2008-11-06 | 2010-05-06 | Eddy Kafry | Retrofit apparatus and method for gas line moisture detection and removal |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB831544A (en) * | 1957-03-29 | 1960-03-30 | Tyer & Co Ltd | An improved liquid level controller and/or indicator |
GB1266537A (en) * | 1968-06-11 | 1972-03-08 | ||
GB1488199A (en) * | 1976-08-27 | 1977-10-05 | Pynford Ltd | Drainage system |
GB1581327A (en) * | 1975-12-16 | 1980-12-10 | Thomas Electronics Ltd | Detection of levels in conductive oils |
-
1985
- 1985-07-25 GB GB8518802A patent/GB2166870B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB831544A (en) * | 1957-03-29 | 1960-03-30 | Tyer & Co Ltd | An improved liquid level controller and/or indicator |
GB1266537A (en) * | 1968-06-11 | 1972-03-08 | ||
GB1581327A (en) * | 1975-12-16 | 1980-12-10 | Thomas Electronics Ltd | Detection of levels in conductive oils |
GB1488199A (en) * | 1976-08-27 | 1977-10-05 | Pynford Ltd | Drainage system |
Also Published As
Publication number | Publication date |
---|---|
GB2166870A (en) | 1986-05-14 |
GB8518802D0 (en) | 1985-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |