GB740672A - A device for controlling the supply of a liquid - Google Patents
A device for controlling the supply of a liquidInfo
- Publication number
- GB740672A GB740672A GB325354A GB325354A GB740672A GB 740672 A GB740672 A GB 740672A GB 325354 A GB325354 A GB 325354A GB 325354 A GB325354 A GB 325354A GB 740672 A GB740672 A GB 740672A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- pipe
- gas
- supply
- pump
- 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
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/006—Control of flow ratio involving a first fluid acting on the feeding of a second fluid
Abstract
740,672. Proportionate mixing of fluids in flow. KALLE, K. T. Feb. 3, 1954, No. 3253/54. Class 86. [Also in Groups XXVI and XXIX] Apparatus for controlling the supply of a liquid (e.g. the supply in a predetermined ratio of a dye to a fluid medium in flow) comprises a rotary pump having an inlet for the liquid and an inlet for gas, an outlet with a restricted passage for the mixture of liquid and gas, a discharge pressure actuated valve controlling the supply of the gas, and a supply of compressed gas also for controlling the valve. In the form described liquid is supplied to the vessel 16 by the pipe 31 and leaves by the pipe 30. The rotary pump 1 pumps another liquid from container 3 through pipes 2 and 18 into the vessel 16. The restriction 17 causes a back pressure to be set up in the pump and this pressure is transmitted by the pipe 19 to the Bourdon tube 21 which tends to straighten and open the valve 23, allowing air (or gas) to be sucked through the flexible pipe 5 and the pipe 4 into the pump together with the liquid, causing the back pressure to decrease and the valve 23 to close. When the valve 23 reaches an equilibrium position and the discharge of liquid from the pump is steady, this equilibrium position, and so the discharge of liquid, can be adjusted by means of the screw 28. A source of compressed gas at constant pressure is connected to the pipe 8a and by means of the fine bore pipe 15 the gas escapes below the surface of the liquid in the vessel 16. The rate of flow out of the pipe 30 increases as the level of the liquid in the vessel 16 rises so increasing the pressure in the pipes 15, 8, the restriction 13 preventing the pressure of the supply of gas being affected, and the Bourdon tube 7 tends to straighten so lowering the valve seat 6 and throttling to air supply, the liquid discharge of pump 1 increases and by adjusting the screw 12 the rate of liquid discharged by pump 1 can be made proportional to the head of liquid in the vessel 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB325354A GB740672A (en) | 1954-02-03 | 1954-02-03 | A device for controlling the supply of a liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB325354A GB740672A (en) | 1954-02-03 | 1954-02-03 | A device for controlling the supply of a liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB740672A true GB740672A (en) | 1955-11-16 |
Family
ID=9754839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB325354A Expired GB740672A (en) | 1954-02-03 | 1954-02-03 | A device for controlling the supply of a liquid |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB740672A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE28428E (en) * | 1971-01-27 | 1975-05-27 | Auto Research Corp | Pump priming and flow control valve for pumping two different fluids |
| FR2411014A1 (en) * | 1977-12-09 | 1979-07-06 | Fresenius Chem Pharm Ind | HEMODIALYSIS APPARATUS |
| CN110273824A (en) * | 2018-12-31 | 2019-09-24 | 重庆明珠机电有限公司 | The production method of mixing pump inlet and outlet piping |
-
1954
- 1954-02-03 GB GB325354A patent/GB740672A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE28428E (en) * | 1971-01-27 | 1975-05-27 | Auto Research Corp | Pump priming and flow control valve for pumping two different fluids |
| FR2411014A1 (en) * | 1977-12-09 | 1979-07-06 | Fresenius Chem Pharm Ind | HEMODIALYSIS APPARATUS |
| CN110273824A (en) * | 2018-12-31 | 2019-09-24 | 重庆明珠机电有限公司 | The production method of mixing pump inlet and outlet piping |
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