GB302756A - Improvements in apparatus for controlling the flow of liquids to maintain a constantlevel - Google Patents
Improvements in apparatus for controlling the flow of liquids to maintain a constantlevelInfo
- Publication number
- GB302756A GB302756A GB2741327A GB2741327A GB302756A GB 302756 A GB302756 A GB 302756A GB 2741327 A GB2741327 A GB 2741327A GB 2741327 A GB2741327 A GB 2741327A GB 302756 A GB302756 A GB 302756A
- Authority
- GB
- United Kingdom
- Prior art keywords
- float
- valves
- fulcrum
- controlled
- supply
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/08—Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Float Valves (AREA)
Abstract
302,756. Smith, W. Oct. 15, 1927. Valves controlled by pilot or relay valves.-In apparatus for controlling the flow of liquids to maintain a constant level in a vessel, such as a tank, boiler, &c., in which hydraulically supply valves are controlled by a pair of float-controlled relay valves, the connections between the float C and the valves A, B are, such that these valves are operated in succession. The float C is pivotally suspended at F' on a link F<2> depending from a bracket E<4> and the valves A, B are connected by links G, J to points F<4>, J<1> below and above the pivot F<1>, respectively. As the liquid level falls the float lowers on its fulcrum F<1> and closes the valve A thereby restricting the escape of operating fluid from one of the supply valve units and causing that supply valve to close and cut down half the total supply. On further lowering of the water level the fulcrum of the float is transferred to the pivot F' and the float closes the valve B and thereby the remaining supply valve unit. Instead of the pivoted link F<2>, the fulcrum of the float may be made an easy fit in its housing to provide for the same action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2741327A GB302756A (en) | 1927-10-15 | 1927-10-15 | Improvements in apparatus for controlling the flow of liquids to maintain a constantlevel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2741327A GB302756A (en) | 1927-10-15 | 1927-10-15 | Improvements in apparatus for controlling the flow of liquids to maintain a constantlevel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB302756A true GB302756A (en) | 1928-12-27 |
Family
ID=10259156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2741327A Expired GB302756A (en) | 1927-10-15 | 1927-10-15 | Improvements in apparatus for controlling the flow of liquids to maintain a constantlevel |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB302756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2165967A (en) * | 1984-10-19 | 1986-04-23 | Donald Hugh Campbell Mackay | Improvements in and relating to water supply systems |
-
1927
- 1927-10-15 GB GB2741327A patent/GB302756A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2165967A (en) * | 1984-10-19 | 1986-04-23 | Donald Hugh Campbell Mackay | Improvements in and relating to water supply systems |
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