DE1404858C3 - - Google Patents
Info
- Publication number
- DE1404858C3 DE1404858C3 DE19511404858 DE1404858A DE1404858C3 DE 1404858 C3 DE1404858 C3 DE 1404858C3 DE 19511404858 DE19511404858 DE 19511404858 DE 1404858 A DE1404858 A DE 1404858A DE 1404858 C3 DE1404858 C3 DE 1404858C3
- Authority
- DE
- Germany
- Prior art keywords
- valve
- heat transfer
- temperature
- heat
- working element
- 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)
- Temperature-Responsive Valves (AREA)
Description
das Ventil durchströmenden Wärmeträgers auf die Füllung einwirken, da das Ventilgehäuse in gut wärmeleitender Verbindung mit dem Arbeitselement 15 steht.The heat transfer medium flowing through the valve act on the filling, since the valve housing is more thermally conductive Connection with the working element 15 is.
Gehäuse 1 und Arbeitselement 15 besitzen ein gemeinsames Außengewinde 22, auf welches ein Überwurfglied 23 aufgeschraubt ist. Die durch die Drehung hervorgerufene Axialverschiebung des Überwurfgliedes 23 bewirkt eine mehr oder weniger starke Wärmekopplung des Gehäuses 1 mit dem Arbeitselement 15. Man kann also den Anteil der vom Gehäuse 1 auf das Arbeitselement 15 übertragenen Wärmemenge nach Belieben einstellen und somit die Relation zwischen der Beeinflussung durch die Austrittstemperatur des Wärmeträgers und durch die Umgebungstemperatur ändern.Housing 1 and working element 15 have a common external thread 22 on which a union member 23 is screwed on. The axial displacement of the union member caused by the rotation 23 causes a more or less strong thermal coupling of the housing 1 with the working element 15. You can therefore the proportion of the transferred from the housing 1 to the working element 15 Adjust the amount of heat as desired and thus the relationship between the influence of the outlet temperature of the heat transfer medium and the ambient temperature.
Das Überwurfglied kann auch Rippen 24 besitzen, über die ein direkter Wärmeaustausch zwischen dem Gehäuse 1 und der Umgebungsluft stattfinden kann. Dies bedeutet, daß ein Teil der vom Gehäuse 1 auf das Arbeitselement 15 zu übertragenden Wärme an die Umgebungsluft abgegeben wird, so daß der Grad der Beeinflussung durch die Austrittstemperatur des Wärmeträgers herabgesetzt wird.The cap member can also have ribs 24 through which a direct heat exchange between the Housing 1 and the ambient air can take place. This means that part of the housing 1 on the work element 15 to be transferred heat is given off to the ambient air, so that the degree the influence of the outlet temperature of the heat transfer medium is reduced.
Die Arbeitsweise des Ventils ist leicht verständlich. Es sei angenommen, daß das Ventil am Ausgang eines Heizkörpers angeordnet ist. Öffnet das Ventil, weil die Kraft der Einstellfeder 6 überwiegt, so strömt der Wärmeträger durch das Ventil hindurch. Sobald der im Heizkörper abgekühlte Wärmeträger abgelaufen ist und heißerer, nur kurze Zeit im Heizkörper verweilender Wärmeträger nachströmt, bewirkt dessen Austrittstemperatur infolge der Wärmeleitung zum Arbeitselement 15 hin eine Erhöhung des Dampfdruckes im Raum 18. Sobald eine vorbestimmte Relation zwischen Umgebungstemperatur und Austrittstemperatur des Wärmeträgers erreicht ist, überwiegt der Dampfdruck gegenüber dem Druck der Feder 6, und das Ventil schließt sich. Ein erneutes Öffnen des Ventils erfolgt, wenn entweder die Umgebungstemperatur absinkt oder die Ablauftemperatur des Wärmeträgers im nunmehr bis auf eine kleine Lecköffnung geschlossenes Ventil einen bestimmten Grenzwert unterschreitet.The way the valve works is easy to understand. Assume that the valve is at the exit a radiator is arranged. Opens the valve because the force of the adjusting spring 6 predominates, so the heat transfer medium flows through the valve. As soon as the heat transfer medium has cooled down in the radiator has expired and hotter heat transfer medium that only remains in the radiator for a short time flows in, its outlet temperature causes an increase due to the heat conduction to the working element 15 the vapor pressure in the room 18. As soon as a predetermined relationship between ambient temperature and the outlet temperature of the heat transfer medium is reached, the vapor pressure outweighs the pressure the spring 6 and the valve closes. The valve is opened again when either the Ambient temperature drops or the drain temperature of the heat carrier is now down to one small leak opening closed valve falls below a certain limit value.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (3)
aber eine genaue Einstellung erst am Einbauort mög- Am unteren Ende des Ventils ist das Arbeitsele-conductivity of the thermally conductive connection exactly An attachment 10 carries an outside fixed at the upper end. Any changes to the adapter thread 11, over which the handwheel 12 with internal sizing to certain operating conditions are not thread 13 is screwed. Possible with the help of the printing area. It is true that this handwheel acts on the spring 6 already during manufacture fabricated, often prestressing is given.
but an exact setting is only possible at the installation site.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1960D0033353 DE1254321B (en) | 1960-05-16 | 1960-05-16 | Thermostatically operated valve |
DED0034577 | 1960-10-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1404858A1 DE1404858A1 (en) | 1968-10-10 |
DE1404858B2 DE1404858B2 (en) | 1973-10-25 |
DE1404858C3 true DE1404858C3 (en) | 1974-05-30 |
Family
ID=25971093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19511404858 Granted DE1404858A1 (en) | 1960-05-16 | 1951-01-28 | Thermostatically operated valve |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1404858A1 (en) |
-
1951
- 1951-01-28 DE DE19511404858 patent/DE1404858A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE1404858B2 (en) | 1973-10-25 |
DE1404858A1 (en) | 1968-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 |