JPS5777940A - Draining device for small amount of liquid - Google Patents
Draining device for small amount of liquidInfo
- Publication number
- JPS5777940A JPS5777940A JP15406880A JP15406880A JPS5777940A JP S5777940 A JPS5777940 A JP S5777940A JP 15406880 A JP15406880 A JP 15406880A JP 15406880 A JP15406880 A JP 15406880A JP S5777940 A JPS5777940 A JP S5777940A
- Authority
- JP
- Japan
- Prior art keywords
- opening
- closing
- liquid
- valve
- closing valve
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
PURPOSE:To prevent closing-up of a valve and to improve precision, by a method wherein, through the closing of a first opening and closing valve corresponding to a liquid level detected and the simultaneous opening or closing of a second opening and closing valve, a liquid is intermittently stowed into and discharged from a tank. CONSTITUTION:A draining device for small amount of liquid opens an opening and closing valve 4 corresponding to a liquid level detected. Through the receipt of a signal from a water level gauge 7 or a weighing device 8 detecting that a liquid level in a tank 2 goes to a level H, it automatically closes a first opening and closing valve 4, and simultaneously, it opens a second opening and closing valve 6. Through the receipt of the signal from the water level gauge 7 or the weighing device 8 detecting that the liquid level in the tank 2 goes to a level L, it automatically closes the second opening and closing valve 6. This enables to drain a specific amount of liquid at given time intervals, permits the opening degree of the valve to increase compared with conventional small amount continuous draining system, prevents closing-up of the valve, and enables the improvement of precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15406880A JPS5777940A (en) | 1980-10-31 | 1980-10-31 | Draining device for small amount of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15406880A JPS5777940A (en) | 1980-10-31 | 1980-10-31 | Draining device for small amount of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5777940A true JPS5777940A (en) | 1982-05-15 |
Family
ID=15576185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15406880A Pending JPS5777940A (en) | 1980-10-31 | 1980-10-31 | Draining device for small amount of liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5777940A (en) |
-
1980
- 1980-10-31 JP JP15406880A patent/JPS5777940A/en active Pending
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