EP1580489A1 - Baueinheit für eine Kompaktheizungsanlage - Google Patents
Baueinheit für eine Kompaktheizungsanlage Download PDFInfo
- Publication number
- EP1580489A1 EP1580489A1 EP04006831A EP04006831A EP1580489A1 EP 1580489 A1 EP1580489 A1 EP 1580489A1 EP 04006831 A EP04006831 A EP 04006831A EP 04006831 A EP04006831 A EP 04006831A EP 1580489 A1 EP1580489 A1 EP 1580489A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve housing
- housing
- pump
- pump housing
- valve
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 82
- 238000009434 installation Methods 0.000 title description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000001746 injection moulding Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 208000028659 discharge Diseases 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 208000012313 wound discharge Diseases 0.000 description 1
Images
Classifications
-
- 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
- F24H9/00—Details
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
-
- 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
- F24H9/00—Details
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
- F24H9/142—Connecting hydraulic components
- F24H9/144—Valve seats, piping and heat exchanger connections integrated into a one-piece hydraulic unit
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/48—Water heaters for central heating incorporating heaters for domestic water
Definitions
- the invention relates to a structural unit for a compact heating system, especially for a gas boiler with two heating circuits, one for the Space heating and one for hot water.
- Building units of this kind are increasingly being used today in compact heating systems, especially installed in gas water heaters. They include in addition to a centrifugal pump unit usually other components, such as air separator, safety valve, changeover valve and like. They are called a structural unit, d. H. as installation and assembly unit designed so that a simple and space-saving arrangement ensures all essential units within the heating system is. In addition, such a unit assembly and Easy to maintain, as only at a few central locations accessibility to the otherwise tight installation space must be ensured and in the Incidentally, in case of repair, the unit completely replaced and Factory or elsewhere overhauled by the specialist and a recycling can be supplied.
- EP 0874 201 A2 is such a unit for a Compact heating system known.
- the unit indicates as essential Elements a centrifugal pump and a switching valve on which between two heating circuits, one for domestic water heating and one can switch for space heating.
- the changeover valve is in arranged a valve housing, which is designed as a separate component which is with a suction-side connection of the pump the back of the pump housing is connected.
- the structural unit according to the invention is for a compact heating system provided with two heating circuits, one for space heating and one for domestic water heating.
- the two heating circuits are going through a changeover valve as needed with a primary circuit of the heating system connected, in which a primary heat exchanger for heating the water is arranged in the heating circuit.
- the plants become Usually operated so that in the ground state of the heating circuit for the Space heating is heated and the heating circuit for domestic water heating only when requested by heated service water, for example via a pressure switch, is activated. At this moment the first heating circuit for the room heating is interrupted.
- This is one Switching provided, which in a valve housing, which represents a part of the unit is arranged.
- the unit has a circulation pump, which the water or fluid in the Heating circuits circulated, especially the water through the primary circuit inflated.
- the circulation pump is arranged in a pump housing.
- the pump housing and the valve housing at least partially integrally formed with each other.
- the intersection of valve housing and pump housing is thus a connection between the valve housing and the pump housing created. That means the inside of the valve body and the inside the pump housing are in the intersection of the housing so together in connection that a flow passage between both Housing is created. So can fluid directly from the valve body into the pump housing and from there to the circulation pump, or in reverse, flow.
- valve housing Due to the interlocking arrangement of valve and pump housing is a very compact unit created. Furthermore, the one-piece design of pump housing reduces and valve housing the installation effort. At least that's how it can be a part of the pump housing with at least a part of Valve body in one piece, preferably by injection molding Plastic are manufactured. This allows a very cost effective Production.
- the flow passage connects the interior of the valve housing with the suction side of the circulation pump.
- the valve or switching valve which usually in such compact heating systems as 2/3-way valve is formed, is preferably in the return of the heating circuits arranged, d. H. by switching the switching element in the valve is either the return of the heating circuit for space heating or the return of the heating circuit for domestic water heating with the Suction side of the pump connected.
- the pressure side of the pump is in this Case connected to the primary circuit, so that the pump through one of the two heating circuits flowing water to the primary heat exchanger promotes in which it is heated.
- cuts the valve housing preferably a calming space on the Suction side of the pump, which is intended to forward the flow to calm the entry into the circulation pump.
- an air separator can be arranged.
- valve housing is substantially cylindrical, in particular circular cylindrical, formed, wherein it is in its peripheral region the pump housing cuts.
- the pump housing is attached tangentially to the valve body and cuts it in the area of a circle segment or segment,
- the pump housing is preferably cylindrical, in particular circular cylindrical formed, wherein an end face is closed and the valve housing the pump housing in the region of this, preferably the back Front side cuts. This means that the pump housing engages its end face into a portion of the circumference of the valve housing a defined space.
- the pump housing extends in the installed position preferably horizontally from the front to the back of the Assembly unit, with the pump inserted from the front into the pump housing is. In this arrangement, since the valve housing is preferably back formed on the pump housing, wherein it from the Pump housing limited space cuts.
- the longitudinal axis of the pump housing extends in the installed position of Unit preferably horizontal from front to back while the longitudinal axis of the valve housing extends vertically.
- the axes are more preferably spaced apart, d. H. the valve housing is radially offset, off-center preferably at the front of the Pump housing arranged.
- the valve housing preferably has two connecting pieces for connection with the two heating circuits on, starting from the Connecting pieces each a pipe section in the interior of the valve housing extends, the free ends of the two pipe sections from each other are spaced, opposite each other and as valve seats are formed. Between the free ends of the pipe sections is the Switching member arranged, which depending on the switching position on one of formed as a valve seat ends of the pipe sections and thus shoots the appropriate pipe section. At the same time it is doing the other pipe section at its valve seat, the switching element end facing the surrounding space inside open the valve housing, so that a flow path over this is released into the interior of the pump housing. On This way, a flow path between one of the two heating circuits and the interior of the pump housing, preferably the suction side the pump can be switched optionally.
- the two pipe sections are preferably aligned with each other, so that a compact valve arrangement is provided.
- an outer side of the two pipe sections and an inner wall of the valve housing a free space formed which in the interface between the pump housing and Valve housing with the interior of the pump housing in conjunction stands to the flow passage from the valve housing to the Form pump housing.
- the pipe sections arranged concentrically with the valve housing in its interior, so that the outer wall of the pipe sections radially spaced from the Inner wall of the valve housing is arranged and an annular Free space is formed, which the pipe sections on their outside surrounds.
- the valve housing cuts in the area of this clearance the pump housing, allowing a connection of this clearance to the interior of the pump housing, preferably to the suction side of the Pump is created.
- At least one of the two pipe sections extends, preferably both pipe sections in the direction of the longitudinal axis of the valve housing.
- a first connecting piece is preferably on a first end face of the Valve housing formed and preferably extends in the longitudinal direction of the valve housing. With this first connecting piece is one of the two heating circuits, preferably connected for space heating.
- the first end face is preferably formed open and the connection piece with the associated first pipe section is designed as an insert, which is sealingly inserted into the open first end face.
- This allows the interior of the valve body optionally with the second pipe section arranged therein by injection molding by means of a Forming core, which through the open first end of the Valve housing can be removed.
- the connecting piece with The first pipe section can then as a prefabricated extra component in the open front side are plugged in to close them and at the same time the first pipe section inside the valve housing to arrange. This allows a cost-effective production with simple Assembly.
- a second connection piece on a peripheral surface the valve housing, preferably near one of the first end face formed away from the end face.
- This second connection piece serves the connection of the valve housing with the second heating circuit, preferably that for domestic water heating.
- This heating circuit for the hot water is heated in particular by a secondary heat exchanger formed, in which the hot water of the Fluid or water is heated in the second heating circuit.
- the two Connecting pieces are preferably in the range of opposite Ends of the valve body arranged so that the two pipe sections starting from the two end faces of the valve housing extend towards each other and the switching member in the central region of the Valve housing between the facing and from each other spaced open ends of the pipe sections is arranged.
- the second connecting piece preferably extends substantially normal to the longitudinal axis of the valve housing and preferably normal to the longitudinal axis of the pump housing. Thus extends the second connecting piece preferably also normal to the first Spigot.
- a particularly preferred arrangement is the one in which the pump housing in the installed position of the unit extends horizontally from front to back and the valve body at the rear of the pump housing vertically from bottom to top extends, wherein the second connecting piece normal to the longitudinal axis the valve body and the pump housing, d. H. in the lateral direction extends. This allows, for example, that a secondary heat exchanger for hot water heating laterally to the valve body can be recognized.
- the second connection piece and the subsequent second pipe section are preferably formed integrally with the valve housing. So these parts can in one operation, for example by injection molding be formed of plastic, reducing the number of required Assembly steps is reduced.
- the second connection piece and at least part of the subsequent second pipe section preferably with the help of a Schwenkziehkernes formed by injection molding.
- a Schwenkziehkern is arcuately curved and moves along a circular path in the direction of its curvature.
- a connecting piece can be formed, which is transverse, in particular normal to the subsequent second pipe section extends, wherein between pipe section and connecting piece a curved transition region is formed.
- a curved one Pipe section can be formed with the help of the Schwenkziehkernes be that no lost cores are required.
- Which subsequent straight region of the second pipe section, which the switching member faces, by another preferably be formed linearly moving pulling core, which be pulled out through the open end of the valve body can.
- the pump housing has a, preferably formed integrally with the pump housing pressure nozzle for Connection of a heating circuit, in particular a primary circuit of the heating system on.
- the one-piece design of the pressure nozzle with the Pump housing also reduces the number of required assembly steps to complete the unit.
- the discharge nozzle is preferably by means of a fferziehkerns in Injection molding formed.
- the use of a screwdriver core allows a fluidically favorable curvature of the Train pressure sockets without resorting to the use of lost ones To be reliant on nuclei.
- the fferziehkern is along the Curvature of the formed pressure port in a screwing Movement, d. H. in a combined rotary and linear motion taken from the trained discharge nozzle.
- the first connection piece of the valve housing extends to a first side, in particular the underside of the structural unit
- the discharge nozzle of the pump housing preferably extends opposite to a second side facing away from the first side the assembly and the second port of the valve body preferably extends transversely to the discharge nozzle and the first Anschussstutzen.
- This embodiment allows in installation position of the unit in a compact heating system, an arrangement in which the discharge nozzle rises up to one above the unit arranged arranged primary heat exchanger.
- the first connection piece the valve housing preferably extends down d. H. to Bottom of the unit and the compact heating system, on which the connecting pipes for the space heating arrive.
- the second connection piece the valve body extends horizontally in lateral Direction to a arranged directly on the unit secondary heat exchanger for domestic water heating. This extend the first and the second connecting piece of the valve housing and the Pressure port of the pump housing substantially in one plane, so that the depth of the compact heating system is kept low.
- the Valve housing at its upper end in the installed position over the flow passage extended to the pump housing, wherein in the area above the flow passage in the valve housing an air separator is arranged.
- This means the valve body is over the open cutting area between the pump housing and valve housing extended, thus creating a receiving space for the air separator, which arranged there space-saving can be without having to enlarge the pump housing.
- Prefers has the valve housing to a second provided at the upper end open front side, in which the air separator used becomes. This open configuration of the second end face also has the Advantage that can be removed by this also pulling cores, allowing a simple configuration of the interior of the valve housing without using lost cores. If not Air separator is used, alternatively, the opening at the second end side of the valve housing by a closure or plug be closed. Alternatively, the pump housing formed on the suction side of the pump for receiving an air separator be.
- the assembly consists essentially of a Pump housing 2 and an integrally adjoining valve housing 4.
- a circulating pump 6 is used in the pump housing 2.
- the valve housing 4 is a 2/3-way valve for switching arranged the pump current between two heating circuits.
- the associated Switching member inside the valve housing 4 is replaced by a Valve drive 8 is actuated in the form of an electric motor.
- the assembly has three connecting pieces 10, 12 and 14. It is the connecting piece 10 as a discharge nozzle on the pump housing. 2 educated.
- the discharge nozzle 10 is in communication with the pressure side the circulation pump 6 and serves for connection to a primary circuit a compact heating system, in which a primary heat exchanger for heating the heating water, for example via a gas burner, is arranged.
- the connecting pieces 13 and 14 are formed on the valve housing 4 and are arranged with the inside of the valve housing 4 Switching device in connection.
- the connecting piece 12 which at the Bottom of the valve housing 4 arranged in its axial extension is used to connect to a heating circuit for space heating.
- the Anschussstutzen 14 is at the opposite end of the valve housing 4 arranged and extends in the radial lateral direction from the valve housing 4.
- the connecting piece 14 is used for connection with a second heating circuit for domestic water heating. In This second heating circuit is a secondary heat exchanger in the compact heating system arranged, over which the hot water heated becomes.
- the 2/3-way valve in the valve housing 4 is used for selective connection the connecting piece 12 and 14, d. H. the two connected Heating circuits, with the suction side of the circulation pump 6. That means depending on the position of the switching element inside the valve housing 4 by actuation of the valve drive 8 is that of the circulation pump 6 generated pump current through the first heating circuit for the Space heating or through the second heating circuit for domestic water heating directed.
- the pump housing 2 and the valve housing 4 are as one piece Component made of plastic by injection molding. Cut or the pump housing 2 and the valve housing 4 penetrate each other. That is, that defined by pump housing 2 and valve housing 4 geometric base body, in the example shown two cylinders, cut each other or interlock. So is between pump housing 2 and valve housing 4 in the interior of a flow passage created, which the interior of the valve housing 4 with the Suction side of the circulation pump 6 connects.
- Fig. 1 The installation position of the unit in a compact heating system is usually as shown in Fig. 1, d. H. the connecting piece 12 is on the bottom and the discharge nozzle 10 are arranged at the top and the stator housing of the circulation pump 6 is at the front of the Assembly arranged.
- Fig. 2 shows a plan view of the back the assembly, d. H. on the closed rear of the pump housing Second
- the pump housing 2 has a substantially cylindrical interior 16 (see FIGS. 3-5), which, as shown in FIG rear end face 17 is formed closed. From the front Front side, the circulation pump 6 is used, as shown in FIG. 3 will be explained.
- the valve housing 4 is also substantially cylindrically shaped.
- the longitudinal axis A of the valve housing 4th extends substantially normal and spaced from the longitudinal axis B of the pump housing 2.
- the valve housing 4 is such to the rear end face 17 (the facing in Fig. 2 the viewer End face) of the pump housing 2 added that the cylinder contour of the Valve housing 4, the pump housing 2 on the front side off-center cuts. That is, the pump housing 2 and valve housing. 4 interlock
- the pump housing has in addition a number of reinforcing ribs 18 and mounting holes 20 on.
- FIG. 3 shows a front view of the assembly according to FIGS. 1 and 2, wherein the circulation pump 6 is removed from the pump housing 2 is.
- the interior 16 of the pump housing. 2 formed substantially cylindrical for receiving the circulation pump 6 is.
- the interior 16 of the pump housing 2 is a normal to Arranged longitudinal axis B of the pump housing 2 extending partition wall 21, in the interior of the central suction port 22 for the circulation pump 6 is formed.
- Fig. 4 shows a sectional view of the assembly with reference to the line IV-IV in FIG. 4 shows how the cylindrical valve housing 4 and the cylindrical pump housing 2 on the front side of the pump housing 2 cut.
- the valve housing 4 is provided with a peripheral surface attached to the front side of the pump housing 2, wherein the valve housing 4 and the pump housing 2 with their outer contours so intertwined that an opening or a flow passage 24 is formed between the two.
- the flow passage 24 connects the interior of the valve housing 4 with the interior 16 of the Pump housing 2 and in particular with the suction port 22 for the Circulation pump 6 (not shown in Fig. 4).
- the outer walls of the Pump housing 2 and the valve housing 4 are as a one-piece component made of plastic, so that a simple and cost-effective production is possible.
- Fig. 5 shows a sectional view of the assembly along the line V-V in Fig. 3.
- the structure of the valve housing 4 is explained in detail.
- the valve housing 4 is formed substantially cylindrical and extends along the longitudinal axis A in the installed position of the module in the vertical direction. At the lower end, the valve housing 4 an opening 26 into which the connecting piece 12 as an insert is used. In this case, the connecting piece 12 is sealing with the opening 26 connected. Inside the connecting piece 12 extends a first pipe section 28 in the interior of the valve housing 4. In this case the pipe section 28 extends concentrically to the longitudinal axis A and spaced from the inner wall of the valve housing 4. The the connecting piece 12 remote free end of the pipe section 28 forms a first valve seat 30.
- a second pipe section 32 in the interior of the valve housing 4.
- the pipe section 32 extends concentrically to the longitudinal axis A and spaced from the inner wall of the valve housing. 4
- the free end of the pipe section 32 forms a second valve seat 34.
- the pipe sections 32 and 38 extend in alignment, so in that the first and second valve seats 30 and 34 are opposed to each other.
- the valve seats 30 and 34 are spaced from each other.
- the switching member 36 is arranged, which is movable by the valve drive 8.
- the switching element 36 be moved so that it either on the first valve seat 30 or At the second valve seat 34 sealingly abuts, So is optionally one the pipe sections 28 and 32 closed, while the other pipe section at its free end, d. H. in the region of the valve seat 30, 34 to the interior 38 of the valve housing 4 is open.
- annular Free space 38 is formed between the outer walls of the pipe sections 28 and 30 as well the inner wall of the valve housing 4 between the outer walls of the pipe sections 28 and 30 as well the inner wall of the valve housing 4 .
- the annular space 38 is in Cutting area between pump housing 2 and valve housing 4, d. H. via the flow passage 24 in communication with the interior 16 of the pump housing 2 and thus the suction mouth 22 of the circulation pump 6.
- the switching element 36 connects to one of the pipe sections 28 and 30 via the interior 38 and the flow passage 24 with the suction side made of the pump.
- the two Heating circuits of the compact heating system d. H. the heating circuit for the Space heating and the heating circuit for domestic water heating with the connecting pieces 12 and 14 of the valve housing 4 connected.
- the terminals of the two Heating circuits are optionally closed at the valve seats 30 and 34, so that always the respectively not closed connection with the Suction side of the pump is connected. In this way, in the 2/3-way valve by movement of the switching member 36 of the circulation pump 6 generated pump current between the two heating circuits, which are connected to the connecting pieces 12 and 14, switched.
- pump housing 2 and valve housing 4 In addition to the cost-effective one-piece design of pump housing 2 and valve housing 4 has the above-described Embodiment of the pump housing 2 and the valve housing 4 the Advantage on it, without using lost cores by injection molding can be formed and at the same time the number of required Assembly operations is kept low.
- the pump housing 2 and the valve housing 4 initially without the inserted connecting piece 12 and formed the partition 21. This allows, through the opening 26th of the valve housing 4 take drawing cores, which the training the interior 38 and the second pipe section 32 inside the Allow valve housing 4. At the same time, from the interior 16 of the pump housing 2 from the open front another Pulling core are taken, which the interior 16 of the pump housing 2 defined during injection molding. At the same time touch each other Injection into the interior 16 of the pump housing 2 and the Interior 38 of the valve housing 4 defining pulling cores in the cutting area between pump housing 2 and valve housing 4, so that the Flow passage 24 is formed.
- the helically wound discharge nozzle 10 can via a fferziehkern be formed. This allows a streamlined Curvature of the pressure nozzle 10 to the interior 16 of the pump housing 2 out. To remove the core, which is the interior of the Druckstutzens 10 forms, this is in a screw movement, d. H. a combination of rotary and linear movement, from the discharge nozzle 10 pulled out.
- the connecting piece 14 with the substantially 90 ° bent transition area 40 (see also Fig. 2) to the second pipe section 32 toward, formed by a Schwenkziehkern become.
- a pulling core is arcuately curved and can be pivoted in the direction of the center line of the arc on a circular path and be pulled out of the connecting piece 14. In this way, even in the range of required curvatures the flow channels dispensed with the use of lost cores become. This allows the connection piece 14 and the adjoining pipe section 32 integral with the valve housing. 4 train.
- Another core may be injection molded through the opening 42 of the valve housing 4 are arranged and removed from the front. In the opening 42, the valve drive 8 is later with the switching element 36 used sealing.
- the separately formed connecting piece 12 with the first pipe section 28 inserted sealing.
- the partition 21, which has in its central region the suction mouth 22 is from the front used in the interior 16 of the pump housing 2.
- FIG. 6 shows a rear view of the assembly similar to FIG. 2 according to FIG a second embodiment of the invention, in this second embodiment the invention, the valve housing 4 at the connecting piece 12 far side, d. H. in the installation position upper end, over the connection area to the pump housing 2, d. H. the Flow passage 24, extended out to an air separator 44th take.
- the extension 46 which receives the air separator 44 is also integral with the valve housing 4 and the pump housing. 2 educated.
- the extension 46 at the upper end of the valve housing 4 is laterally offset from the longitudinal axis A of the valve housing, so that the longitudinal axis C of the extension 46 spaced parallel to the Longitudinal axis A of the valve housing 4 extends. In this way, in the shown example of the air separator 44 in the same plane next to the pressure port 10 are arranged.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Basic Packing Technique (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Resistance Heating (AREA)
Abstract
Description
- Fig. 1
- eine perspektivische Ansicht der Baueinheit bestehend aus Umwälzpumpe und 2/3-Wegeventil,
- Fig. 2
- eine Rückansicht der Baueinheit gemäß Fig. 1,
- Fig. 3
- eine Frontansicht der Baueinheit gemäß Figuren 1 und 2,
- Fig. 4
- eine Schnittansicht entlang der Linie IV-IV in Fig. 3,
- Fig. 5
- eine Schnittansicht entlang der Linie V-V in Fig. 3 und
- Fig. 6
- eine Rückansicht der Baueinheit gemäß einer zweiten Ausführungsform der Erfindung.
- 2 -
- Pumpengehäuse
- 4 -
- Ventilgehäuse
- 6 -
- Umwälzpumpe
- 8 -
- Ventilantrieb
- 10 -
- Druckstutzen
- 12, 14,
- Anschlussstutzen
- 16 -
- Innenraum des Pumpengehäuses
- 17 -
- geschlossene Stirnseite des Pumpengehäuses
- 18 -
- Verstärkungsrippen
- 20 -
- Befestigungslöcher
- 21 -
- Trennwand
- 22 -
- Saugmund
- 24 -
- Strömungsdurchgang
- 26 -
- Öffnung
- 28 -
- erster Rohrabschnitt
- 30 -
- erster Ventilsitz
- 32 -
- zweiter Rohrabschnitt
- 34 -
- zweiter Ventilsitz
- 36 -
- Schaltorgan
- 38 -
- Innenraum des Ventilgehäuses
- 40 -
- Übergangsbereich
- 42 -
- Öffnung
- 44 -
- Luftabscheider
- 46 -
- Verlängerung
- A -
- Längsachse des Ventilgehäuses
- B -
- Längsachse des Pumpengehäuses
- C -
- Längsachse der Verlängerung 46
Claims (18)
- Baueinheit für eine Kompaktheizungsanlage mit zwei Heizkreisen, einem für die Raumheizung und einem für die Brauchwassererwärmung, mit einer in einem Pumpengehäuse (2) angeordneten Umwälzpumpe (6) und einem in einem Ventilgehäuse (4) angeordneten Schaltorgan (36) zur Umschaltung eines von der Umwälzpumpe (6) erzeugten Pumpenstromes zwischen den beiden Heizkreisen,
dadurch gekennzeichnet, dass
das Pumpengehäuse (2) mit dem Ventilgehäuse (4) zumindest teilweise einstückig ausgebildet ist, wobei das Ventilgehäuse (4) derart an die Außenseite des Pumpengehäuses (2) anschließt, dass das Ventilgehäuse (4) das Pumpengehäuse (2) schneidet und im Schnittbereich von Ventilgehäuse (4) und Pumpengehäuse (2) das Innere des Ventilgehäuses (4) und das Innere (15) des Pumpengehäuses (2) miteinander in Verbindung stehen und einen Strömungsdurchgang (24) bilden. - Baueinheit nach Anspruch 1, dadurch gekennzeichnet, dass der Strömungsdurchgang (24) das Innere (38) des Ventilgehäuses (4) mit der Saugseite der Umwälzpumpe(6) verbindet.
- Baueinheit nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass Ventilgehäuse (4) zylindrisch ausgebildet ist, wobei es in seinem Umfangsbereich das Pumpengehäuse (2) schneidet.
- Baueinheit nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Pumpengehäuse (2) zylindrisch ausgebildet ist, wobei eine Stirnseite geschlossen ist und das Ventilgehäuse (4) das Pumpengehäuse (2) im Bereich dieser, vorzugsweise rückseitigen, Stirnseite schneidet.
- Baueinheit nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Längsachsen (A, B) von Pumpengehäuse (2) und Ventilgehäuse (4) normal und vorzugsweise beabstandet zueinander verlaufen.
- Baueinheit nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Ventilgehäuse (4) zwei Anschlussstutzen (12, 14) zum Verbinden mit den beiden Heizkreisen aufweist, wobei sich ausgehend von den Anschlussstutzen (12, 14) jeweils ein Rohrabschnitt (28, 32) in das Innere (38) des Ventilgehäuses (4) erstreckt, die freien Enden der beiden Rohrabschnitte (28, 32) voneinander beabstandet sind, einander gegenüberliegen und als Ventilsitze (30, 34) ausgebildet sind.
- Baueinheit nach Anspruch 6, dadurch gekennzeichnet, dass zwischen einer Außenseite der beiden Rohrabschnitte (28, 32) und einer Innenwandung des Ventilgehäuses (4) ein Freiraum (38) gebildet ist, welcher im Schnittbereich zwischen Pumpengehäuse (2) und Ventilgehäuse (4) mit dem Inneren (16) des Pumpengehäuses in Verbindung steht, um den Strömungsdurchgang (24) zu bilden.
- Baueinheit nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass sich zumindest einer der beiden Rohrabschnitte (28, 32), vorzugsweise beide Rohrabschnitte (28, 32) in Richtung der Längsachse (A) des Ventilgehäuses (4) erstrecken.
- Baueinheit nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass ein erster Anschlussstutzen (12) an einer ersten Stirnseite des Ventilgehäuses (4) ausgebildet ist und sich vorzugsweise in Richtung der Längsachse (A) des Ventilgehäuses (4) erstreckt.
- Baueinheit nach Anspruch 8, dadurch gekennzeichnet, dass die erste Stirnseite (26) offen ausgebildet ist und der Anschlussstutzen (12) mit dem zugehörigen ersten Rohrabschnitt (28) als Einsatz ausgebildet sind, welcher in die offene erste Stirnseite (26) dichtend eingesetzt ist.
- Baueinheit nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, dass ein zweiter Anschlussstutzen (14) an einer Umfangsfläche des Ventilgehäuses (4), vorzugsweise nahe einer der ersten Stirnseite abgewandten Stirnseite, ausgebildet ist.
- Baueinheit nach Anspruch 11, dadurch gekennzeichnet, dass sich der zweite Anschlussstutzen (14) im Wesentlichen normal zu der Längsachse (A) des Ventilgehäuses (4) und vorzugsweise normal zur Längsachse (B) des Pumpengehäuses (2) erstreckt.
- Baueinheit nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass der zweite Anschlussstutzen (14) sowie der anschließenden zweite Rohrabschnitt (30) einstückig mit dem Ventilgehäuse (4) ausgebildet sind.
- Baueinheit nach Anspruch 13, dadurch gekennzeichnet, dass der zweite Anschlussstutzen (14) und zumindest ein Teil des anschließenden zweiten Rohrabschnittes (30) mit Hilfe eines Schwenkziehkernes im Spritzgussverfahren ausgebildet worden sind.
- Baueinheit nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Pumpengehäuse (2) einen, vorzugsweise einstückig mit dem Pumpengehäuse (2) ausgebildeten Druckstutzen (10) zum Anschluss eines Heizkreises, insbesondere eines Primärkreises der Heizungsanlage aufweist.
- Baueinheit nach Anspruch 15, dadurch gekennzeichnet, dass der Druckstutzen (10) mit Hilfe eines Schraubziehkernes im Spritzgussverfahren ausgebildet worden ist.
- Baueinheit nach einem der Ansprüche 6 bis 16, dadurch gekennzeichnet, dass der erste Anschlussstutzen (12) des Ventilgehäuses (4) sich zu einer ersten Seite, insbesondere der Unterseite der Baueinheit erstreckt, der Druckstutzen (10) des Pumpengehäuses (2) sich entgegengesetzt zu einer der ersten Seite abgewandten zweiten Seite der Baugruppe und der zweite Anschlussstutzen (14) des Ventilgehäuses (4) quer zu dem Druckstutzen (10) und dem ersten Anschlussstutzen (12) erstrecken.
- Baueinheit nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Ventilgehäuse (4) an seinem in Einbaulage oberen Ende über den Strömungsdurchgang (24) zu dem Pumpengehäuse (2) hinaus verlängert ist und in dem Bereich oberhalb des Strömungsdurchganges (24) in dem Ventilgehäuse (4) ein Luftabscheider angeordnet ist.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04006831A EP1580489B9 (de) | 2004-03-22 | 2004-03-22 | Baueinheit für eine Kompaktheizungsanlage |
| AT04006831T ATE430290T1 (de) | 2004-03-22 | 2004-03-22 | Baueinheit für eine kompaktheizungsanlage |
| DE502004009414T DE502004009414D1 (de) | 2004-03-22 | 2004-03-22 | Baueinheit für eine Kompaktheizungsanlage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04006831A EP1580489B9 (de) | 2004-03-22 | 2004-03-22 | Baueinheit für eine Kompaktheizungsanlage |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1580489A1 true EP1580489A1 (de) | 2005-09-28 |
| EP1580489B1 EP1580489B1 (de) | 2009-04-29 |
| EP1580489B9 EP1580489B9 (de) | 2009-09-02 |
Family
ID=34854574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04006831A Expired - Lifetime EP1580489B9 (de) | 2004-03-22 | 2004-03-22 | Baueinheit für eine Kompaktheizungsanlage |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1580489B9 (de) |
| AT (1) | ATE430290T1 (de) |
| DE (1) | DE502004009414D1 (de) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1119485B (de) * | 1959-06-06 | 1961-12-14 | Thermo Appbau G M B H | Wasserumwaelzpumpe, vorzugsweise fuer Sammelheizungsanlagen |
| CH364694A (fr) * | 1960-03-25 | 1962-09-30 | Emerjy Societe Anonyme | Pompe à vanne incorporée, pour installations de chauffage central |
| FR2258577A1 (en) * | 1974-01-22 | 1975-08-18 | Drouard Moteurs | Three-way pump for central heating system - has three outlets/inlets and motor coplanar for mounting in limited space |
| EP0394140A1 (de) * | 1989-04-21 | 1990-10-24 | I.C.F., S.A.R.L. | Fluidumlauf- und -verteilergerät |
| EP0874201A2 (de) | 1997-04-26 | 1998-10-28 | Grundfos A/S | Baueinheit für eine Kompaktheizungsanlage |
-
2004
- 2004-03-22 EP EP04006831A patent/EP1580489B9/de not_active Expired - Lifetime
- 2004-03-22 DE DE502004009414T patent/DE502004009414D1/de not_active Expired - Lifetime
- 2004-03-22 AT AT04006831T patent/ATE430290T1/de not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1119485B (de) * | 1959-06-06 | 1961-12-14 | Thermo Appbau G M B H | Wasserumwaelzpumpe, vorzugsweise fuer Sammelheizungsanlagen |
| CH364694A (fr) * | 1960-03-25 | 1962-09-30 | Emerjy Societe Anonyme | Pompe à vanne incorporée, pour installations de chauffage central |
| FR2258577A1 (en) * | 1974-01-22 | 1975-08-18 | Drouard Moteurs | Three-way pump for central heating system - has three outlets/inlets and motor coplanar for mounting in limited space |
| EP0394140A1 (de) * | 1989-04-21 | 1990-10-24 | I.C.F., S.A.R.L. | Fluidumlauf- und -verteilergerät |
| EP0874201A2 (de) | 1997-04-26 | 1998-10-28 | Grundfos A/S | Baueinheit für eine Kompaktheizungsanlage |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1580489B9 (de) | 2009-09-02 |
| DE502004009414D1 (de) | 2009-06-10 |
| EP1580489B1 (de) | 2009-04-29 |
| ATE430290T1 (de) | 2009-05-15 |
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