GB330097A - Improvements in and relating to steam generators - Google Patents
Improvements in and relating to steam generatorsInfo
- Publication number
- GB330097A GB330097A GB1373429A GB1373429A GB330097A GB 330097 A GB330097 A GB 330097A GB 1373429 A GB1373429 A GB 1373429A GB 1373429 A GB1373429 A GB 1373429A GB 330097 A GB330097 A GB 330097A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- steam
- pressure
- float
- piston
- 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
- F22D5/10—Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves and with pistons or membranes unitary with the feed inlet valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
330,097. Davey, Paxman, & Co., Ltd., and Stuart, M. R. F. H. May 2, 1929. Feedwater, controlling.- To maintain the water at a constant high level while the steam demand is normal and at a constant low level when the demand increases, the spindle 9 of a float 8x operating the feed valve 13 when the steam demand is normal carries a perforated or leaky piston 7, the upper side of which may be opened to the atmosphere through a passage 19 controlled by a valve 17, which opens when the steam demand increases and the boiler pressure falls, and allows the steam pressure, acting beneath the piston 7 to close the feed valve. The water level then falls until a second float 33 on a lever 31 brings a cam surface against the lower end of the spindle 30 of the valve 17, which controls the pressure above the piston 7 and consequently the operation of the feed valve. The valve 17 is pressed downwards against the upward pressure of the boiler 'steam, which is admitted to its lower end through a passage 20, by an adjustable spring 23. When the boiler pressure increases, the valve 17 closes and the water level rises again to the high level at which it is maintained by the float 8x.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1373429A GB330097A (en) | 1929-05-02 | 1929-05-02 | Improvements in and relating to steam generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1373429A GB330097A (en) | 1929-05-02 | 1929-05-02 | Improvements in and relating to steam generators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB330097A true GB330097A (en) | 1930-06-05 |
Family
ID=10028380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1373429A Expired GB330097A (en) | 1929-05-02 | 1929-05-02 | Improvements in and relating to steam generators |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB330097A (en) |
-
1929
- 1929-05-02 GB GB1373429A patent/GB330097A/en not_active Expired
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