JPS5647689A - Automatic water supply device - Google Patents
Automatic water supply deviceInfo
- Publication number
- JPS5647689A JPS5647689A JP12382279A JP12382279A JPS5647689A JP S5647689 A JPS5647689 A JP S5647689A JP 12382279 A JP12382279 A JP 12382279A JP 12382279 A JP12382279 A JP 12382279A JP S5647689 A JPS5647689 A JP S5647689A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- tank
- valve
- water
- pressure tank
- 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.)
- Pending
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
PURPOSE: To prevent air from flowing out of a tank even if the pressure in the pressure tank falls, by providing a pressure shut-off valve in a water flow pipe and connecting the pressure shut-off valve to the lower section of the tank and making the valve operate opening and closing movements according to pressure in the pressure tank.
CONSTITUTION: In an intermediate position of a water flow pipe 5 a pressure shut- off valve 9 connected to the lower section of a pressure tank 6 is installed. When the water level of the pressure tank 6 falls below a lower limit level L1 and its inner pressure drops lower than P1 which is the pump starting pressure, a diaphragm 13 comes in touch with a valve seat 17 and closes a point between flow routes 18 and 19. By this arrangement, the water 21 in the pressure tank 6 stops to be supplied from an outlet 4 to the water supply side, and flow out of the air 20 in the pressure tank 6 can be prevented.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12382279A JPS5647689A (en) | 1979-09-28 | 1979-09-28 | Automatic water supply device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12382279A JPS5647689A (en) | 1979-09-28 | 1979-09-28 | Automatic water supply device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5647689A true JPS5647689A (en) | 1981-04-30 |
Family
ID=14870208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12382279A Pending JPS5647689A (en) | 1979-09-28 | 1979-09-28 | Automatic water supply device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5647689A (en) |
-
1979
- 1979-09-28 JP JP12382279A patent/JPS5647689A/en active Pending
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