EP1030131A2 - Radiator with expansion vessel - Google Patents

Radiator with expansion vessel Download PDF

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Publication number
EP1030131A2
EP1030131A2 EP99123066A EP99123066A EP1030131A2 EP 1030131 A2 EP1030131 A2 EP 1030131A2 EP 99123066 A EP99123066 A EP 99123066A EP 99123066 A EP99123066 A EP 99123066A EP 1030131 A2 EP1030131 A2 EP 1030131A2
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EP
European Patent Office
Prior art keywords
radiator
expansion tank
hose
expansion
filled
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.)
Withdrawn
Application number
EP99123066A
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German (de)
French (fr)
Other versions
EP1030131A3 (en
Inventor
Hermann Seidl
Manfred Artinger
Richard Wasmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kermi GmbH
Original Assignee
Kermi GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kermi GmbH filed Critical Kermi GmbH
Publication of EP1030131A2 publication Critical patent/EP1030131A2/en
Publication of EP1030131A3 publication Critical patent/EP1030131A3/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0231—Header boxes having an expansion chamber
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/002—Air heaters using electric energy supply
    • F24H3/004—Air heaters using electric energy supply with a closed circuit for a heat transfer liquid

Definitions

  • the invention relates to a radiator with an expansion tank, in particular with pure electrical operation.
  • Radiators filled with a liquid medium which are a closed system in themselves, such as. B, radiators with purely electrical operation, need a space inside the radiator that can accommodate the volume expansion of the filling medium when it is heated.
  • This space is created according to the known state of the art in that the radiator is filled with the filling medium only to the extent that a previously calculated air volume remains, which absorbs the expansion of the filling medium.
  • a disadvantage of these known solutions is that the mostly upper area of the radiator, which is only filled with air, remains cold and the circulation of the medium is impaired by the available air volume in such a way that further cool spots generally arise in the lower area of the radiator.
  • the heating device can heat "in air” if the radiator is not installed in the correct position, which can destroy it.
  • radiator geometries z. B. can not be realized in pure electrical version, because no circulation of the filling medium is possible.
  • a filling device must also be provided which is designed in such a way that the correct air volume remains in the radiator when filling.
  • the object of the present invention is to provide a radiator develop the above Overcomes disadvantages of the prior art.
  • the invention includes a radiator with a liquid medium is filled and is a closed system in itself, especially with pure Electrical operation.
  • a gaseous medium air, nitrogen etc.
  • the space filled with air for example, for absorbing the volume expansion a pressure-resistant, gas-tight, arranged inside the radiator, is an elastic expansion tank.
  • the radiator to be manufactured always be filled completely, so that a complex level control or Volume measurement can be omitted.
  • through the full filling allows perfect circulation of the heating medium in the radiator. Cooler places on the radiator due to the upper areas of the radiator being filled with air. This also eliminates the subjective heat sensation of the operator who Detecting cold pipes on the radiator also perceives the room as cold.
  • the expansion tank consists of a tubular elastic material, the tube being closed at both ends.
  • the hose can either be provided with a bottom at both ends, have a blind plug or sealing plug on one hose end, or one hose end is provided with a sealing plug, the other hose end having a blind plug.
  • the expansion tank according to the invention is elastic, pressure-resistant and leakproof in relation to the filling gas used.
  • the expansion tank floats freely in the heating medium inside the radiator.
  • the compensating vessel is provided with a blind plug at one end of the hose and is introduced into any radiator pipe or into the radiator header pipe via a connecting sleeve.
  • a maximum heating output is achieved with the radiator according to the invention, since the heating medium can flow through the entire radiator volume. Destruction of the heating device by heating "in air” or possible corrosion problems due to the presence of free air cushions can be excluded. With the solution according to the invention, a wide variety of radiator types can always be completely filled with heating medium, so that almost any desired and sensible radiator geometry can be represented as a closed system with a heating device.
  • FIG A heating element 1 with horizontally arranged heating tubes 8 is shown in FIG is introduced.
  • the expansion tank can be easily removed or replaced during maintenance or repair work.
  • the size or volume of the expansion tank depends on the geometry of the radiator.
  • the volume of the expansion tank depends on the volume expansion coefficient of the filling medium, the volume of the radiator and the operating temperatures of the radiator.
  • Figure 2 shows only an elastic, pressure-resistant and gas-tight expansion tank 3, which is provided at one end with a blind plug 4 and at the other end with a sealing plug.
  • the expansion tank 3 can thus be made from a tubular elastic endless material in any size depending on the radiator geometry.
  • FIG. 3 shows a compensating vessel 3, which at one end is closed at the bottom and provided with a blind plug 4 at the other end is.
  • the expansion tank is bottom-like at both ends is closed and the expansion tank floats freely in the heating medium.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Resistance Heating (AREA)
  • Central Heating Systems (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A heating assembly (1) has heating tubes (8) attached to a tubular housing (7) containing an air-filled, elastic, pressure-tight and sealed tube (3) plugged (4) at one end. The fluid filling conducts heat uniformly to the horizontal tubes (8).

Description

Die Erfindung betrifft einen Heizkörper mit einem Ausgleichsgefäß, insbesondere mit reinem Elektrobetrieb.The invention relates to a radiator with an expansion tank, in particular with pure electrical operation.

Mit einem flüssigen Medium gefüllte Heizkörper, die für sich ein geschlossenes System darstellen, wie z. B, Heizkörper mit reinem Elektrobetrieb, brauchen im Inneren des Heizkörpers einen Raum, der die Volumenausdehnung des Füllmediums bei einer Erwärmung desselben aufnehmen kann. Dieser Raum wird nach dem bekannten Stand der Technik dadurch erzeugt, daß der Heizkörper nur soweit mit dem Füllmedium befüllt wird, daß ein vorher berechnetes Luftvolumen verbleibt, welches die Ausdehnung des Füllmediums aufnimmt.
Nachteilig bei diesen bekannten Lösungen ist, daß der nur mit Luft gefüllte meist obere Bereich des Heizkörper kalt bleibt und die Zirkulation des Mediums durch das vorhandene Luftvolumen derart beeinträchtigt wird, daß weitere kühle Stellen in der Regel im unteren Bereich des Heizkörpers entstehen. Weiterhin kann die Heizeinrichtung bei unzulässiger Einbaulage des Heizkörpers "in Luft" heizen, wodurch diese zerstört werden kann. Außerdem wird die über die Geometrie des Heizkörpers und die Leistung der Heizeinrichtung erreichbare Wärmeleistung des Heizkörpers nicht erreicht. Nachteilig ist weiterhin, daß bestimmte Heizkörpergeometrien sich z. B. in reiner Elektroausführung nicht realisieren lassen, weil keine Zirkulation des Füllmediums möglich ist.
Bei der Fertigung der Heizkörper muß außerdem eine Befülleinrichtung vorgesehen werden die derart gestaltet ist, daß beim Befüllen in jedem Fall das richtige Luftvolumen im Heizkörper verbleibt.Radiators filled with a liquid medium, which are a closed system in themselves, such as. B, radiators with purely electrical operation, need a space inside the radiator that can accommodate the volume expansion of the filling medium when it is heated. This space is created according to the known state of the art in that the radiator is filled with the filling medium only to the extent that a previously calculated air volume remains, which absorbs the expansion of the filling medium.
A disadvantage of these known solutions is that the mostly upper area of the radiator, which is only filled with air, remains cold and the circulation of the medium is impaired by the available air volume in such a way that further cool spots generally arise in the lower area of the radiator. Furthermore, the heating device can heat "in air" if the radiator is not installed in the correct position, which can destroy it. In addition, the heat output of the heating element which can be achieved via the geometry of the heating element and the output of the heating device is not achieved. Another disadvantage is that certain radiator geometries z. B. can not be realized in pure electrical version, because no circulation of the filling medium is possible.
In the manufacture of the radiators, a filling device must also be provided which is designed in such a way that the correct air volume remains in the radiator when filling.

Die Aufgabe der vorliegenden Erfindung besteht darin einen Heizkörper zu entwickeln der die o. g. Nachteile des Stand der Technik überwindet.The object of the present invention is to provide a radiator develop the above Overcomes disadvantages of the prior art.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Ansprüchen 2 bis 7 enthalten. Demnach beinhaltet die Erfindung einen Heizkörper, der mit einem flüssigen Medium gefüllt ist und für sich ein geschlossenes System darstellt, insbesondere mit reinem Elektrobetrieb. Vorzugsweise im Inneren des Heizkörpers ist ein mit einem gasformigen Medium (Luft, Stickstoff etc.) gefüllter Raum zur Aufnahme der bei der Erwärmung des Heizmediums auftretenden Volumenausdehnung vorgesehen, wobei der beispielsweise mit Luft gefüllter Raum zur Aufnahme der Volumenausdehnung ein im Inneren des Heizkörpers angeordnetes druckbeständiges, gasdichtes, elastisches Ausgleichsgefäß ist. Dadurch kann der Heizkörper in der Fertigung immer voll befüllt werden, so daß eine aufwendige Füllstandskontrolle oder Volumenmessung entfallen kann. Außerdem wird durch die vollständige Füllung eine einwandfreie Zirkulation des Heizmediums im Heizkörper ermöglicht. Kühlere Stellen am Heizkörper durch mit Luft gefüllte obere Bereiche des Heizkörpers entfallen. Dadurch entfällt auch das subjektive Wärmeempfinden des Betreibers, der beim Feststellen kalter Rohre am Heizkörpers auch den Raum als kalt empfindet.According to the invention, this object is achieved by the features of claim 1. Advantageous developments of the invention are contained in claims 2 to 7. Accordingly, the invention includes a radiator with a liquid medium is filled and is a closed system in itself, especially with pure Electrical operation. Preferably inside the radiator is one with a gaseous medium (air, nitrogen etc.) filled space to hold the Heating of the heating medium occurring volume expansion provided, wherein the space filled with air, for example, for absorbing the volume expansion a pressure-resistant, gas-tight, arranged inside the radiator, is an elastic expansion tank. This allows the radiator to be manufactured always be filled completely, so that a complex level control or Volume measurement can be omitted. In addition, through the full filling allows perfect circulation of the heating medium in the radiator. Cooler places on the radiator due to the upper areas of the radiator being filled with air. This also eliminates the subjective heat sensation of the operator who Detecting cold pipes on the radiator also perceives the room as cold.

Nach einem weiteren Merkmal der Erfindung besteht das Ausgleichsgefäß aus einem schlauchförmigen elastischen Material, wobei der Schlauch an beiden Enden geschlossen ist.
Je nach Heizkörpergeometrie kann der Schlauch nach entsprechenden Merkmalen der Erfindung entweder an beiden Enden mit einem Boden versehen sein, an einem Schlauchende einen Blindstopfen oder Verschlußstopfen aufweisen, oder ein Schlauchende ist mit einem Verschlußstopfen versehen, wobei das andere Schlauchende einen Blindstopfen aufweist. Allen Ausführungen gemein ist, daß das erfindungsgemäße Ausgleichsgefäß elastisch, druckbeständig und dicht in Bezug auf das verwendete Füllgas ist. Nach einem besonderen Merkmal der Erfindung schwimmt das Ausgleichsgefäß frei im Heizmedium im Inneren des Heizkörpers. Nach einem anderen bevorzugten Merkmal der Erfindung ist das Ausgleichsgefäß an einem Schlauchende mit einem Blindstopfen versehen und über eine Anschlußmuffe in ein beliebiges Heizkörperrohr oder im Heizkörper - Sammelrohr eingebracht.According to a further feature of the invention, the expansion tank consists of a tubular elastic material, the tube being closed at both ends.
Depending on the radiator geometry, the hose can either be provided with a bottom at both ends, have a blind plug or sealing plug on one hose end, or one hose end is provided with a sealing plug, the other hose end having a blind plug. All versions have in common that the expansion tank according to the invention is elastic, pressure-resistant and leakproof in relation to the filling gas used. According to a special feature of the invention, the expansion tank floats freely in the heating medium inside the radiator. According to another preferred feature of the invention, the compensating vessel is provided with a blind plug at one end of the hose and is introduced into any radiator pipe or into the radiator header pipe via a connecting sleeve.

Mit dem erfindungsgemäßen Heizkörper wird eine maximale Heizleistung erreicht, da das komplette Heizkörpervolumen vom Heizmedium durchströmt werden kann. Zerstörungen der Heizeinrichtung durch Heizen "in Luft" oder mögliche Korrosionsproblem durch bislang vorhandene freie Luftpolster können ausgeschlossen werden.
Durch die erfindungsgemäße Lösung können auch die unterschiedlichsten Heizkörpertypen immer vollständig mit Heizmedium befüllt werden, so daß nahezu jede beliebige und sinnvolle Heizkörpergeometrie sich als geschlossenes System mit Heizeinrichtung darstellen läßt.A maximum heating output is achieved with the radiator according to the invention, since the heating medium can flow through the entire radiator volume. Destruction of the heating device by heating "in air" or possible corrosion problems due to the presence of free air cushions can be excluded.
With the solution according to the invention, a wide variety of radiator types can always be completely filled with heating medium, so that almost any desired and sensible radiator geometry can be represented as a closed system with a heating device.

Nachfolgend soll die Erfindung anhand von Ausführungsbeispielen näher erläutert werden. In den Zeichnungen zeigen:

Figur 1:
eine schematische Darstellung eines Heizkörpers mit Ausgleichsgefäß,
Figur 2:
ein elastisches, druckbeständiges und gasdichtes Ausgleichsgefäß mit Blind- und Verschlußstopfen,
Figur 3:
ein elastisches, druckbeständiges und gasdichtes Ausgleichsgefäß mit Blindstopfen.
The invention will be explained in more detail below on the basis of exemplary embodiments. The drawings show:
Figure 1:
1 shows a schematic illustration of a radiator with a compensating vessel,
Figure 2:
an elastic, pressure-resistant and gas-tight expansion tank with blind and sealing plugs,
Figure 3:
an elastic, pressure-resistant and gas-tight expansion tank with blind plug.

In Figur 1 wird in schematischer Darstellung ein Heizkörper 1 mit horizontal angeordneten Heizrohren 8 gezeigt, wobei das beispielsweise mit Luft 2 gefüllte elastische, druckbeständige und gasdichte Ausgleichsgefäß 3 an einem Schlauchende mit einem Blindstopfen 4 versehen ist und über eine Anschlußmuffe 6 im Heizkörper - Sammelrohr 7 eingebracht ist. Durch diese Konstruktion kann das Ausgleichsgefäß bei Wartungs- oder Reparaturarbeiten problemlos entfernt oder ausgewechselt werden. Die Größe bzw. das Volumen des Ausgleichgefäßes ist abhängig von der Heizkörpergeometrie. Das Volumen des Ausgleichgefäßes hängt vom Volumenausdehnungekoeffizienten des Füllmediums, vom Volumen des Heizkörpers und den Betriebstemperaturen des Heizkörpers ab.
Die Figur 2 zeigt nur ein elastisches, druckbeständiges und gasdichtes Ausgleichsgefäß 3, wobei dieses an einem Ende mit einem Blindstopfen 4 und am anderen Ende mit einem Verschlußstopfen versehen ist. Das Ausgleichsgefäß 3 kann so aus einem schlauchförmigen elastischen Endlosmaterial in beliebiger Größe je nach Heizkörpergeometrie hergestellt werden. A heating element 1 with horizontally arranged heating tubes 8 is shown in FIG is introduced. With this construction, the expansion tank can be easily removed or replaced during maintenance or repair work. The size or volume of the expansion tank depends on the geometry of the radiator. The volume of the expansion tank depends on the volume expansion coefficient of the filling medium, the volume of the radiator and the operating temperatures of the radiator.
Figure 2 shows only an elastic, pressure-resistant and gas-tight expansion tank 3, which is provided at one end with a blind plug 4 and at the other end with a sealing plug. The expansion tank 3 can thus be made from a tubular elastic endless material in any size depending on the radiator geometry.

Die Figur 3 zeigt demgegenüber ein Ausgleichsgefäß 3, welches an einem Ende bodenartig geschlossen ist und am anderen Ende mit einem Blindstopfen 4 versehen ist.In contrast, FIG. 3 shows a compensating vessel 3, which at one end is closed at the bottom and provided with a blind plug 4 at the other end is.

Es ist aber auch möglich, daß das Ausgleichsgefäß an beiden Enden bodenartig geschlossen ist und das Ausgleichsgefäß im Heizmedium frei schwimmt.But it is also possible that the expansion tank is bottom-like at both ends is closed and the expansion tank floats freely in the heating medium.

Claims (7)

Heizkörper, der mit einem flüssigen Medium gefüllt ist und für sich ein geschlossenes System darstellt, insbesondere mit reinem Elektrobetrieb, wobei im Inneren des Heizkörpers ein mit einem gasförmigen Medium gefüllter Raum zur Aufnahme der bei der Erwärmung des Heizmediums auftretenden Volumenausdehnung vorgesehen ist, dadurch gekennzeichnet, daß der mit einem gasförmigen Medium (2) gefüllte Raum zur Aufnahme der bei der Erwärmung des Heizmediums auftretenden Volumenausdehnung ein im Inneren des Heizkörpers (1) angeordnetes druckbeständiges, gasdichtes, elastisches Ausgleichsgefäß (3) ist.Radiator that is filled with a liquid medium and by itself represents a closed system, especially with pure electrical operation, being inside the radiator with a gaseous medium filled space to accommodate the heating medium when heated occurring volume expansion is provided, characterized in that that the space filled with a gaseous medium (2) for receiving the volume expansion occurring when the heating medium is heated pressure-resistant, gas-tight, arranged in the interior of the radiator (1) is elastic expansion tank (3). Heizkörper nach Anspruch 1, dadurch gekennzeichnet, daß das Ausgleichsgefäß (3) aus einem schlauchförmigen elastischen Material besteht, wobei der Schlauch an beiden Enden geschlossen ist.Radiator according to claim 1, characterized in that the Expansion tank (3) made of a tubular elastic material there is, the hose is closed at both ends. Heizkörper nach mindestens einem der o. g. Ansprüche, dadurch gekennzeichnet, daß das Ausgleichsgefäß (3) aus einem schlauchförmigen elastischen Material besteht und mindestens an einem Schlauchende mit einem Blindstopfen (4) versehen ist.Radiator according to at least one of the above Claims, thereby characterized in that the expansion tank (3) from a tubular elastic material and with at least one hose end a blind plug (4) is provided. Heizkörper nach mindestens einem der o. g. Ansprüche, dadurch gekennzeichnet, daß das Ausgleichsgefäß (3) aus einem schlauchförmigen elastischen Material besteht und mindestens an einem Schlauchende mit einem Verschlußstopfen (5) versehen ist.Radiator according to at least one of the above Claims, thereby characterized in that the expansion tank (3) from a tubular elastic material and with at least one hose end a plug (5) is provided. Heizkörper nach mindestens einem der o. g. Ansprüche, dadurch gekennzeichnet, daß das Ausgleichsgefäß (3) aus einem schlauchförmigen elastischen Material besteht, wobei ein Schlauchende mit einem Verschlußstopfen (5) versehen ist und das andere Schlauchende einen Blindstopfen (4) aufweist. Radiator according to at least one of the above Claims, thereby characterized in that the expansion tank (3) from a tubular resilient material, with a hose end with a Plug (5) is provided and the other end of the hose one Has blind plug (4). Heizkörper nach mindestens einem der o. g. Ansprüche, dadurch gekennzeichnet, daß das Ausgleichsgefäß (3) im Heizmedium im Inneren des Heizkörpers frei schwimmt.Radiator according to at least one of the above Claims, thereby characterized in that the expansion vessel (3) in the heating medium inside the Radiator floats freely. Heizkörper nach mindestens einem der o. g. Ansprüche, dadurch gekennzeichnet, daß das Ausgleichsgefäß (3) an einem Schlauchende mit einem Blindstopfen (4) versehen ist und über eine Anschlußmuffe (6) in ein beliebiges Heizkörperrohr oder im Heizkörper - Sammelrohr (7) eingebracht ist.Radiator according to at least one of the above Claims, thereby characterized in that the expansion tank (3) at one end of the hose a blind plug (4) is provided and via a connecting sleeve (6) in one any radiator tube or in the radiator manifold (7) is.
EP99123066A 1999-02-15 1999-11-20 Radiator with expansion vessel Withdrawn EP1030131A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29902645U 1999-02-15
DE29902645U DE29902645U1 (en) 1999-02-15 1999-02-15 Radiator with expansion tank

Publications (2)

Publication Number Publication Date
EP1030131A2 true EP1030131A2 (en) 2000-08-23
EP1030131A3 EP1030131A3 (en) 2002-05-08

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DE (1) DE29902645U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813657A1 (en) * 2000-09-05 2002-03-08 Gilbert Bersot Electric heating radiator has overflow expansion tank and temperature limiting cut off to prevent overheating
FR2903273A1 (en) * 2006-07-03 2008-01-04 Ge Med Sys Global Tech Co Llc Electrically isolating liquid volume varying absorber for x-ray generator, has pipe with conical part mounted to cover end part of tubular element, which is partly provided inside container, and with another end part that is tightly closed

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20012278U1 (en) * 2000-07-15 2000-11-02 Kermi Gmbh Pressure equalization means
WO2009127899A2 (en) * 2008-03-20 2009-10-22 Turk Demir Dokum Fabrikalari Anonim Sirketi Radiator with membrane expansion tube
WO2009130536A2 (en) * 2008-04-02 2009-10-29 Turk Demir Dokum Fabrikalari Anonim Sirketi Panel radiator with expansion baloon
DE202009003179U1 (en) 2009-03-10 2010-07-22 Hans Berg Gmbh & Co. Kg cap

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EP0080428B1 (en) * 1981-11-25 1986-11-12 Boos, Robert Centralheating installation with two energy sources
FR2624588A1 (en) * 1987-12-10 1989-06-16 Boos Robert Device for electrically heating a heat-transfer liquid in a radiator

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DE7301460U (en) 1974-06-06 Rapido Dinsing Werk Gmbh Expansion tank unit for receiving the expansion fluid from closed fluid systems, in particular heating systems
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906976A1 (en) * 1979-02-22 1980-09-04 Hans Neumayer Tubular domestic heating radiator - has some of vertical pipes between horizontal ones forming expansion vessels
EP0080428B1 (en) * 1981-11-25 1986-11-12 Boos, Robert Centralheating installation with two energy sources
FR2624588A1 (en) * 1987-12-10 1989-06-16 Boos Robert Device for electrically heating a heat-transfer liquid in a radiator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813657A1 (en) * 2000-09-05 2002-03-08 Gilbert Bersot Electric heating radiator has overflow expansion tank and temperature limiting cut off to prevent overheating
FR2903273A1 (en) * 2006-07-03 2008-01-04 Ge Med Sys Global Tech Co Llc Electrically isolating liquid volume varying absorber for x-ray generator, has pipe with conical part mounted to cover end part of tubular element, which is partly provided inside container, and with another end part that is tightly closed

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Publication number Publication date
EP1030131A3 (en) 2002-05-08
DE29902645U1 (en) 1999-04-29

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