DE2800704A1 - Measurement and control for fluid flow valve position - is performed by logic circuit permitting energy consumption calculation - Google Patents
Measurement and control for fluid flow valve position - is performed by logic circuit permitting energy consumption calculationInfo
- Publication number
- DE2800704A1 DE2800704A1 DE19782800704 DE2800704A DE2800704A1 DE 2800704 A1 DE2800704 A1 DE 2800704A1 DE 19782800704 DE19782800704 DE 19782800704 DE 2800704 A DE2800704 A DE 2800704A DE 2800704 A1 DE2800704 A1 DE 2800704A1
- Authority
- DE
- Germany
- Prior art keywords
- valve
- built
- measurement
- control
- logic
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 239000012530 fluid Substances 0.000 title abstract 5
- 238000005265 energy consumption Methods 0.000 title abstract 2
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims 4
- 230000001939 inductive effect Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 230000003203 everyday effect Effects 0.000 description 2
- 210000003660 reticulum Anatomy 0.000 description 2
- 239000003708 ampul Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
- G05D23/1905—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value associated with tele control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Temperature (AREA)
Abstract
Description
Ventil- Oberteil Valve upper part
Die Erfindung betrifft ein Ventil-Oberteil in Form einer Meß- und Steuereinheit zur Erfassung und Regelung sowie Abgabe von Daten zur Regelung der klimatischen Zustände von Räumen.The invention relates to a valve upper part in the form of a measuring and Control unit for recording and regulating as well as outputting data for regulating the climatic conditions of rooms.
Es gibt Ventil-Oberteile, die Temperaturen erfassen und über die Ausnützung der Dehnung durch Temperaturänderung von Feststoffen, Flüssigkeiten oder Gasen Ventile öffnen und schließen.There are valve upper parts that record temperatures and indicate the utilization the expansion due to temperature change of solids, liquids or gases valves open and close.
Diesen Ventil-Oberteilen haftet der Mangel an, daß diese Dehnungskörper sehr träge und auch sehr ungenau arbeiten. Ein weiterer, gravierender Nachteil ist, daß diese Dehnungskörper keinen externen Regeleingriff ermöglichen. Es ist z. B. hier eine extern gesteuerte Nachtabsenkung nicht möglich. Bekannt ist, daß durch Anbringen einer mechanischen Schaltuhr Un terbrechungen des Mediendurchflusses erreicht werden können.These valve upper parts are due to the lack that these expansion bodies work very slowly and also very imprecisely. Another serious disadvantage is that these expansion bodies do not allow any external control intervention. It is Z. B. an externally controlled night reduction is not possible here. It is known that through Attaching a mechanical timer. Interruptions in the media flow achieved can be.
Das Einschalten der Unterbrechung muß täglich manuell pro Ventiloberteil erfolgen.The interruption must be switched on manually every day for each valve bonnet take place.
Der Erfindung liegt die Aufgabe zugrunde, ein Ventil-Oberteil zu schaffen, das einmal die gewünschte Raumtemperatur bzw. Feuchte einstellt und genauestens einhält und zweitens eine gewünschte Absenkung bzw. Erhöhung dieser Temperatur durch externe Schaltbefehle ermöglicht. Wünschenswert ist es auch, die verschiedenen Meßwerte jederzeit an eine geeignete Sammel- und Aus;.-ertstel le abgeben zu können.The invention is based on the object of creating a valve upper part, that sets the desired room temperature or humidity once and precisely and, secondly, a desired decrease or increase this Temperature made possible by external switching commands. It is also desirable that the various measured values to a suitable collection and output point at any time to be able to deliver.
Zur Lösung der Aufgabe wird erfindungsgemäß ein Ventil-Oberteil entwickelt, das elektronisch- elektromechanisch die Steuer- und Meßvorgänge erfaßt und auswertet.To solve the problem, a valve upper part is developed according to the invention, which electronically and electromechanically records and evaluates the control and measurement processes.
Die einfachste Ausführungsform des Ventil-Oberteiles ermöglicht durch die Verwendung der Elektronik z. B. einen Heizkörper derart zu steuern1 daß Genauigkeiten z. B. der Raumtemperatur auf 0,1 Grad C erreicht werden.The simplest embodiment of the valve upper part is made possible by the use of electronics e.g. B. to control a radiator in such a way that accuracies z. B. the room temperature can be reached to 0.1 degrees C.
Weiterhin ist es möglich,durch z.B. eine extern angebrachte Schaltuhr die sog. Nachtabsenkung bzw. Frostsicherung programmgemäß zu steuern.It is also possible, for example, by means of an externally attached timer to control the so-called night setback or frost protection according to the program.
Das erfindungsgemäß beschriebene Ventil-Oberteil soll derart ausgebildet werden, daß über entsprechende Adapter alle zur Zeit gängigen Ventil-Unterteile ohne Änderung am medienführJenden System bestückt werden können.The upper valve part described according to the invention should be designed in this way that all currently common valve lower parts can be used with the appropriate adapter can be equipped without changing the media-carrying system.
Eine vorteilhafte Ausführungsform beinhaltet einen Empfänger zur Übernahme von in das Leitungsnetz eingeführten Ultraschallschwingungen, die zur Ansteuerung verschiedener Befehle (Nachtabsenkung, Wochenendprogramm, Frostschutz ) benutzt wird.An advantageous embodiment includes a receiver for takeover of ultrasonic vibrations introduced into the pipeline network that are used to control various commands (night reduction, weekend program, frost protection) are used will.
Weiterhin kann ein weiterer Empfänger Ultraschallschwingungen aufnehmen, die zur Ladung und Regeneration einer aufladbaren Batterie im Ventil-Oberteil benützt werden.Furthermore, another receiver can record ultrasonic vibrations, which is used to charge and regenerate a rechargeable battery in the upper part of the valve will.
Durch die Programmierbarkeit des Ventil-Oberteiles in Adresse und diverse Befehle ist es möglich, z.B. jeden Heizkörper durch eine geeignete Zentral steuerung durch ein vorher festzulegendes Programm anzusteuern.Due to the programmability of the valve upper part in address and Various commands are possible, e.g. each radiator by a suitable central control by a program to be defined beforehand.
Es ist auch möglich, die gesamte Wärmebilanz des gesteuerten und überwachten Raumes von einer Zentralstelle aus abzufragen und diese Daten z. B. zur Wärmemengen-Verbrauchsmessung zu benützen.It is also possible to have the entire heat balance of the controlled and monitored Query the room from a central point and this data z. B. for heat consumption measurement to use.
Durch die im Ventil-Obeteil eingebaute Logik ist es möglich, mehreren, über Ventile gesteuerte Verbraucher, die Wärmemengen-Verbrauchsmessung gesammelt auf ein Meß-Zählwerk abzunehmen.Thanks to the logic built into the upper part of the valve, it is possible to Consumers controlled by valves that collect heat consumption measurement to take off on a measuring counter.
Es wird hiermit ermöglicht, z.B. täglich hunderte von Verbrauchs-Meß -stellen zentral-extern zu überwachen und gegebenenfalls auf einfachste Weise, z.B. photografische Ablichtung der Zählerstände, abzurechnen.This enables e.g. hundreds of consumption measurements every day -points to be monitored centrally and externally and, if necessary, in the simplest possible way, e.g. photographic imaging of the meter readings to be billed.
Nach dem derzeitig bekannten Meßverfahren von Verbrauchern z. B. Heizkörpern in Wohnungen u.s.w. mußte jährlich jeweils jede Heizkörper-Meßstelle besucht und das Meßergebnis abgelesen und die Meßampulle erneuert werden. Abrechnungen z. B. einer Wohneinheit in einem Wohnblock, bedingt duch Mieterwechsel innerhalb der Abrechnungsperiode, war praktisch nicht möglich.According to the currently known measurement method of consumers z. B. Radiators in apartments etc. had to visit every radiator measuring point annually and read the measurement result and replace the measuring ampoule. Billing z. B. a residential unit in a block of flats, due to a change of tenant within the accounting period, was practically impossible.
Eine äußerst vorteilhafte Möglichkeit zum Einsatz dieser Ventil-Oberteile besteht darin, z.B. alle HK einer Wohnungseinheit in einem Mehrfamilienhaus das durch eine zantrale Wermwasserheizungsanlage bedient wird, individuell zu steuern und den Wärmemengenverbrauch äußerst wirtschaftlich zu gestalten und kontinuierlich zu messen und zu registrieren.An extremely advantageous option for using these valve bonnets consists of, for example, all HK of an apartment unit in an apartment building that is operated by a central water heating system, to be controlled individually and to make the amount of heat consumption extremely economical and continuous to measure and register.
Anhand der nun folgenden Beschreibung eines in der Zeichnung dargestellten Blockschaltbildes der Erfindung wird diese näher erläutert.Based on the following description of one shown in the drawing This is explained in more detail in the block diagram of the invention.
Es zeigt Fig. 1 die schematische Darstellung der Steuer- und Regelelemente des Ventil- Oberteiles, aufgesetzt auf ein Ventil-Unterteil Das in Fig. 1 gezeigte Ventil-Oberteil sitzt auf einem Ventil-Unterteil (70), das von einem Medium (72) durchströmt wird. Die im Medium (72) mitgeführten, zu Steuerzwecken eingegebenen,Ultraschallschwingungen (62) werden von Ultraschallempängern (30, 60) aufgenommen.1 shows the schematic representation of the control and regulating elements of the valve upper part, placed on a valve lower part The one shown in FIG The upper part of the valve sits on a lower part of the valve (70), which is supported by a medium (72) is flowed through. The ultrasonic vibrations carried along in the medium (72) and entered for control purposes (62) are recorded by ultrasonic receivers (30, 60).
Die empfangenen Schwingungen (62) werden in elektrische Ströme umgewandelt und dem elektronischen Empfänger (80) sowie dem Ladegerät der Batterie (32) zugeführt. Der Empfänger (80) erkennt aus den eingeführten Steuerimpulsen Adresse, Programmnummer, u.U. Raumnummer, Heizkörper-Nummer, Befehl sstruktur, scheidet auf der Leitung zugeführte falsche Impulee aus und bereitet die Übffmittlung zur Logik vor. Die Logik (90) erkennt Befehlsstuktur aus Empfänger (80). Je nach Befehlsart werden Vergleiche mit Ist-und Soll-Vorgaben durchgeführt und entsprechende Befehlsausgaben an die Motorsteuerung (36) durchgeführt. Die Logik überprüft und steuert laufend das Temperaturverhalten der Sensoren (20 oder 22) und gibt die jeweiligen erkennbaren Temperaturdifferenzen als Steuerimpulse an die Motorsteuerung weiter.The received vibrations (62) are converted into electrical currents and supplied to the electronic receiver (80) and the charger of the battery (32). The receiver (80) recognizes the address, program number, possibly room number, radiator number, command structure, differentiated on the line false impulses and prepares the transfer to logic. The logic (90) recognizes command structure from receiver (80). Depending on the type of command, comparisons carried out with actual and target specifications and corresponding command outputs to the Engine control (36) carried out. The logic checks and controls the temperature behavior on an ongoing basis of the sensors (20 or 22) and gives the respective recognizable temperature differences as control impulses to the engine control.
Der Öffnungsgrad des Ventilunterteiles wird z.B. durch die Stellung und Lage eines Ferritkernes, welcher die Auf-Zu-Bewegungen des Ventiles mitvollzieht, über eine Spule (52) durch Veränderung der Induktivität der Logik mitgeteilt. Mittels Sensor (24) wird die Medientemperatur abgetastet und ebenfalls der Logik mitgeteilt. Diese beiden Parameter ergeben in Verbindung mit einer Zeittakteingabe eine genaue Ermittlung der Wärmemengenabgabe.The opening degree of the lower part of the valve is determined, for example, by the position and position of a ferrite core, which also carries out the open-close movements of the valve, communicated via a coil (52) by changing the inductance of the logic. Means Sensor (24) the media temperature is scanned and also communicated to the logic. These two parameters result in an exact one in connection with a clock input Determination of the amount of heat released.
Durch den Lichtwandler (38) kann während des Tages Licht in elektrische Energie umgewandelt und zur Ladung der Batterie verwendet werden.Through the light converter (38) light can be converted into electrical light during the day Energy can be converted and used to charge the battery.
Das Ventil-Oberteil kann mit einem Anschluß für Fremdstromeinspeisung (34) vorgesehen sein.The upper part of the valve can be equipped with a connection for external power supply (34) be provided.
Daten Die Wärmemengenabgabe- jedes einzelnen Ventil-Oberteiles können an eine zentrale Wärmemengenabgabe-Reg i strierung übermittelst werden (100). Data The amount of heat given off by each individual upper part of the valve be transmitted to a central heat quantity registration reg i stration (100).
Befehle können auch extern über einen Sender (110) an einen Empfänger (80) übermittelt wenden Durch den Einbau dieses Ventil-Oberteiles wird heute bereits Vorsorge getroffen, daß alle steuerungsmäßigen Neuerungen jederzeit übertragen und zur Energieeinsparung ausgewertet werden können.Commands can also be sent externally via a transmitter (110) to a receiver (80) transmitted By installing this valve upper part Provision is already made today to ensure that all control-related innovations are made at all times can be transferred and evaluated to save energy.
LeerseiteBlank page
Claims (24)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2800704A DE2800704C2 (en) | 1978-01-09 | 1978-01-09 | Arrangement for controlling a valve to influence the room temperature |
LU80763A LU80763A1 (en) | 1978-01-09 | 1979-01-05 | PROCEDURE AND ARRANGEMENT FOR CONTROLLING, MONITORING AND MEASURING CONSUMPTION OF A FLUID FLOW VALVE |
FR7900284A FR2414162A1 (en) | 1978-01-09 | 1979-01-05 | Measurement and control for fluid flow valve position - is performed by logic circuit permitting energy consumption calculation |
DK7179A DK7179A (en) | 1978-01-09 | 1979-01-08 | PROCEDURE AND DEVICE FOR REGULATING A FLOW VALVE |
BE192793A BE873344A (en) | 1978-01-09 | 1979-01-08 | METHOD AND ARRANGEMENT FOR COMMANDING, MONITORING AND MEASURING THE FLOW RATE OF A FLUID PASSAGE VALVE |
NL7900163A NL7900163A (en) | 1978-01-09 | 1979-01-09 | METHOD AND INSTALLATION FOR CONTROLLING, MONITORING AND MEASURING THE CONSUMPTION OF A FLUIDUM FLOW VALVE. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2800704A DE2800704C2 (en) | 1978-01-09 | 1978-01-09 | Arrangement for controlling a valve to influence the room temperature |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2800704A1 true DE2800704A1 (en) | 1979-07-12 |
DE2800704C2 DE2800704C2 (en) | 1984-05-17 |
Family
ID=6029163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2800704A Expired DE2800704C2 (en) | 1978-01-09 | 1978-01-09 | Arrangement for controlling a valve to influence the room temperature |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2800704C2 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3018559A1 (en) * | 1979-05-21 | 1980-12-04 | Elpan Aps Odense | TEMPERATURE CONTROL SYSTEM FOR CONTROLLING THE TEMPERATURE IN A ROOM |
DE3401154A1 (en) * | 1983-01-21 | 1984-07-26 | Schrack Elektronik-Ag, Wien | CONTROL VALVE FOR RADIATOR |
DE3543320A1 (en) * | 1985-12-07 | 1987-06-11 | Norbert Noetzold | Programme switchgear with summing counter for controlling heating systems |
DE3900866A1 (en) * | 1989-01-13 | 1990-07-19 | Heimeier Gmbh Metall Theodor | Arrangement for controlling a heating or cooling medium |
EP1684147A2 (en) * | 2005-01-20 | 2006-07-26 | Honeywell Ag | Radiator controller |
EP1727273A1 (en) | 2005-05-27 | 2006-11-29 | Siemens Schweiz AG | Device for supplying a wirelessly controlled servo drive |
GB2472084A (en) * | 2009-07-24 | 2011-01-26 | Andrew Simon Clegg | Radiator control apparatus |
US11047583B2 (en) * | 2016-11-09 | 2021-06-29 | Schneider Electric Controls Uk Limited | Zoned radiant heating system and method |
DE102020111843A1 (en) | 2020-04-30 | 2021-11-04 | Auma Riester Gmbh & Co. Kg | Actuator |
US11662101B2 (en) | 2016-11-09 | 2023-05-30 | Schneider Electric Controls Uk Limited | User interface for thermostat and related devices, systems, and methods |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29514189U1 (en) * | 1995-07-24 | 1995-11-09 | Sundt, Nicolas, 38855 Wernigerode | Window monitoring device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB527349A (en) * | 1938-04-07 | 1940-10-07 | Micro Switch Corp | Improvements relating to electrical systems for controlling temperature |
US2362977A (en) * | 1938-10-24 | 1944-11-21 | C A Dunham Co | Resistance type temperature controlling and indicating system |
DE1906507A1 (en) * | 1969-02-10 | 1970-11-05 | Witte Haustechnik Gmbh | Room thermostat |
DE2133812A1 (en) * | 1971-07-07 | 1973-01-25 | Fricke Gerhard | ARRANGEMENT FOR ELECTRICAL EFFECT ON ACTUATORS OR THE SAME |
DE2614579A1 (en) * | 1976-04-05 | 1977-10-13 | Helmut Dr Schricker | Time switch for central heating radiator control - has miniature electric motor to open valve at set time and driving through reduction gear |
-
1978
- 1978-01-09 DE DE2800704A patent/DE2800704C2/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB527349A (en) * | 1938-04-07 | 1940-10-07 | Micro Switch Corp | Improvements relating to electrical systems for controlling temperature |
US2362977A (en) * | 1938-10-24 | 1944-11-21 | C A Dunham Co | Resistance type temperature controlling and indicating system |
DE1906507A1 (en) * | 1969-02-10 | 1970-11-05 | Witte Haustechnik Gmbh | Room thermostat |
DE2133812A1 (en) * | 1971-07-07 | 1973-01-25 | Fricke Gerhard | ARRANGEMENT FOR ELECTRICAL EFFECT ON ACTUATORS OR THE SAME |
DE2614579A1 (en) * | 1976-04-05 | 1977-10-13 | Helmut Dr Schricker | Time switch for central heating radiator control - has miniature electric motor to open valve at set time and driving through reduction gear |
Non-Patent Citations (3)
Title |
---|
Oppelt "Kleines Handbuch technischer Regel- vorgänge", Verlag Chemie, 5. Auflage 1972, S. 289, 290 * |
Recknagel-Sprenger "Taschenbuch für Heizung und Klimatechnik", Oldenburg Verlag, München 58. Ausgabe, 1974, S. 998-1000 * |
Thimm "Regeltechnik für olgefeuerte Heizungs- anlagen", Verlag A.W. Gentner KG, Stuttgart 1962 S. 21-26 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3018559A1 (en) * | 1979-05-21 | 1980-12-04 | Elpan Aps Odense | TEMPERATURE CONTROL SYSTEM FOR CONTROLLING THE TEMPERATURE IN A ROOM |
DE3401154A1 (en) * | 1983-01-21 | 1984-07-26 | Schrack Elektronik-Ag, Wien | CONTROL VALVE FOR RADIATOR |
DE3543320A1 (en) * | 1985-12-07 | 1987-06-11 | Norbert Noetzold | Programme switchgear with summing counter for controlling heating systems |
DE3900866A1 (en) * | 1989-01-13 | 1990-07-19 | Heimeier Gmbh Metall Theodor | Arrangement for controlling a heating or cooling medium |
DE3900866C2 (en) * | 1989-01-13 | 2001-11-22 | Heimeier Gmbh Metall Theodor | Arrangement for controlling a heating or cooling medium |
EP1684147A3 (en) * | 2005-01-20 | 2012-05-23 | Honeywell Ag | Radiator controller |
EP1684147A2 (en) * | 2005-01-20 | 2006-07-26 | Honeywell Ag | Radiator controller |
EP1727273A1 (en) | 2005-05-27 | 2006-11-29 | Siemens Schweiz AG | Device for supplying a wirelessly controlled servo drive |
US7402972B2 (en) | 2005-05-27 | 2008-07-22 | Siemens Schweiz Ag | Device for feeding an actuating drive that can be driven wirelessly |
GB2472084A (en) * | 2009-07-24 | 2011-01-26 | Andrew Simon Clegg | Radiator control apparatus |
US11047583B2 (en) * | 2016-11-09 | 2021-06-29 | Schneider Electric Controls Uk Limited | Zoned radiant heating system and method |
US11662101B2 (en) | 2016-11-09 | 2023-05-30 | Schneider Electric Controls Uk Limited | User interface for thermostat and related devices, systems, and methods |
DE102020111843A1 (en) | 2020-04-30 | 2021-11-04 | Auma Riester Gmbh & Co. Kg | Actuator |
Also Published As
Publication number | Publication date |
---|---|
DE2800704C2 (en) | 1984-05-17 |
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