GB855229A - Method of and apparatus for controlling the temperature of a liquid in a tank or other container - Google Patents
Method of and apparatus for controlling the temperature of a liquid in a tank or other containerInfo
- Publication number
- GB855229A GB855229A GB775956A GB775956A GB855229A GB 855229 A GB855229 A GB 855229A GB 775956 A GB775956 A GB 775956A GB 775956 A GB775956 A GB 775956A GB 855229 A GB855229 A GB 855229A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- tank
- temperature
- controlling
- circulating
- 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
- 239000007788 liquid Substances 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 238000001816 cooling Methods 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000012809 cooling fluid Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D13/00—Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
- G03D13/006—Temperature control of the developer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photographic Processing Devices Using Wet Methods (AREA)
Abstract
855,229. Circulating systems for controlling the temperature of liquids in bulk. VARNEY & CO. Ltd., J. March 12, 1957 [March 13, 1956], No. 7759/56. Classes 64(2) and 64(3) A method of controlling the temperature of a phototgraphic processing solution e.g. developer, comprises circulating a liquid from a heat exchanger 1 having means for heating and cooling said liquid, to a container or containers 6, 9 for the solution and back to the heat exchanger, and controlling the temperature of the circulating liquid by a thermostat. In the form shown a liquid such as mains water is circulated by a pump 14 through a filter 13 and through jackets 8, 11 surrounding the containers 6, 9. The thermostat 2 actuated by changes in temperature of the circulating liquid in the tank 1 switches on an electric heater 3 in the tank or actuates a valve (not shown) to admit cold mains water to the tank through a conduit 5 as required surplus hot water then being discharged from the tank through a conduit 4. In a further form (Fig. 3, not shown), the processing solution is itself circulated through the heat exchanger which contains either an electric heater and a cooling coil or a coil through which heating or cooling fluid is circulated. In an apparatus comprising a plurality of containers for the solution, these may be interconnected either in series (as shown) or in parallel for the flow of the circulating liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB775956A GB855229A (en) | 1956-03-13 | 1956-03-13 | Method of and apparatus for controlling the temperature of a liquid in a tank or other container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB775956A GB855229A (en) | 1956-03-13 | 1956-03-13 | Method of and apparatus for controlling the temperature of a liquid in a tank or other container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB855229A true GB855229A (en) | 1960-11-30 |
Family
ID=9839171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB775956A Expired GB855229A (en) | 1956-03-13 | 1956-03-13 | Method of and apparatus for controlling the temperature of a liquid in a tank or other container |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB855229A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0075027A4 (en) * | 1981-04-04 | 1983-08-09 | Konishiroku Photo Ind | Fluid circuit for treatment device. |
| GB2149083A (en) * | 1983-11-04 | 1985-06-05 | Robert Houston Stevenson | Thermal storage system for heating and cooling |
-
1956
- 1956-03-13 GB GB775956A patent/GB855229A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0075027A4 (en) * | 1981-04-04 | 1983-08-09 | Konishiroku Photo Ind | Fluid circuit for treatment device. |
| GB2149083A (en) * | 1983-11-04 | 1985-06-05 | Robert Houston Stevenson | Thermal storage system for heating and cooling |
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