GB986773A - Improvements in or relating to thermally operated fluid control valves - Google Patents
Improvements in or relating to thermally operated fluid control valvesInfo
- Publication number
- GB986773A GB986773A GB501763A GB501763A GB986773A GB 986773 A GB986773 A GB 986773A GB 501763 A GB501763 A GB 501763A GB 501763 A GB501763 A GB 501763A GB 986773 A GB986773 A GB 986773A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- hot
- knob
- cold
- interior
- 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
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/12—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid
- G05D23/125—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid the sensing element being placed outside a regulating fluid flow
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Multiple-Way Valves (AREA)
Abstract
986,773. Valves. GUMMERS Ltd. Jan. 8, 1964 [Feb. 7, 1963], No. 5017/63. Heading F2V. When the control knob 68 of a mixing valve is turned from the " off " to the " cold " position the lift valve 42 and a slide valve 22 are elevated by a spring 23, however, the hot water ports 30 remain closed and cold water ports 32 open. The interior of the valve 22 leads to a mixing chamber 36 that is open via the valve 42 to a chamber 60 having one or two outlets, not shown. As the knob 68 is further rotated towards the " hot " position, the lift valve 42 opens to a greater extent and the valve 22 increasingly uncovers ports 32 and covers port 30 until in the " hot " position no cold water at all enters the mixing chamber. Throughout the range of movement of the knob between " cold " and " hot " a thermally responsive bellows 38 in the mixing chamber compensates for any temperature variation by moving the valve 22. The bellows acts as the interconnecting means between the two valves. The liquid temperature for any setting of the knob may be varied by adjusting an abutment 40 for the slide valve. The interior of the slide valve 22 is connected with a space therebeneath via a restriction 29. The bellows which has interior means for limiting its contraction, closes the hot water ports upon failure of the cold water supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB501763A GB986773A (en) | 1963-02-07 | 1963-02-07 | Improvements in or relating to thermally operated fluid control valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB501763A GB986773A (en) | 1963-02-07 | 1963-02-07 | Improvements in or relating to thermally operated fluid control valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB986773A true GB986773A (en) | 1965-03-24 |
Family
ID=9788184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB501763A Expired GB986773A (en) | 1963-02-07 | 1963-02-07 | Improvements in or relating to thermally operated fluid control valves |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB986773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2422886A (en) * | 2004-12-15 | 2006-08-09 | Kohler Mira Ltd | Thermostatic mixing valves |
-
1963
- 1963-02-07 GB GB501763A patent/GB986773A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2422886A (en) * | 2004-12-15 | 2006-08-09 | Kohler Mira Ltd | Thermostatic mixing valves |
| GB2422886B (en) * | 2004-12-15 | 2009-04-08 | Kohler Mira Ltd | Improvements in or relating to thermostatic mixing valves |
| US8517282B2 (en) | 2004-12-15 | 2013-08-27 | Kohler Mira Limited | Thermostatic mixing valve responsive to pressure changes |
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