EP1217310A1 - Kompaktaggregat - Google Patents
Kompaktaggregat Download PDFInfo
- Publication number
- EP1217310A1 EP1217310A1 EP00128774A EP00128774A EP1217310A1 EP 1217310 A1 EP1217310 A1 EP 1217310A1 EP 00128774 A EP00128774 A EP 00128774A EP 00128774 A EP00128774 A EP 00128774A EP 1217310 A1 EP1217310 A1 EP 1217310A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- unit according
- compact unit
- pump
- lever
- 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 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- F24D3/105—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system pumps combined with multiple way valves
-
- 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
Definitions
- the invention relates to a compact unit for a heating system, in particular for a gas boiler with the in the preamble of claim 1 specified features.
- Such heating systems especially gas heaters are everywhere used where it is important to close a heating system in the smallest space to install.
- Such systems are often used in kitchens or bathrooms installed in specially designed niches in the smallest of spaces. It is therefore the effort to make these devices as small and compact as possible shape.
- a compact design often leads to more Maintenance effort if there are accessibility problems.
- a generic compact unit is known from DE 197 17 799 A1. This unit combines all essential switching functions and includes in addition to the electric drives also one Dirt separator and an air separator.
- This compact unit has proven itself in principle, but requires a relatively large depth, since the pump assembly is arranged in the installed position in front of the valve assembly is. This also means that behind the pump assembly horizontal assembly parts, especially the valve assembly from the front are difficult to access. The pump assembly also obscures the view from the front onto the aggregate side behind, which is why a visual inspection the operating state, e.g. B. the lever position of the changeover valve, is not possible from the front. A side view is due to the installation situation usually not possible, otherwise this is common also hindered by other built-in parts.
- German patent application 100 07 873.7 of the applicant shows.
- This Arrangement is hardly comparable to the one described above, because there serves as an assembly platform for the secondary heat exchanger. Also the arrangement described there differs in that the Diverter valve does not connect to the pump assembly, but between Primary and secondary heat exchanger is connected.
- the present invention has for its object a generic Design the compact unit so that the overall depth is reduced can and the accessibility of the unit parts is improved.
- valve assembly not in the installation position behind the pump assembly, but next to the Pump unit to be provided and the units directly next to each other to connect, with the suction side of the pump into the side Valve assembly opens.
- Such an arrangement not only reduces the Construction depth of the unit, but allows a much better Accessibility of all components provided in the valve assembly. These components can usually be serviced or replaced without removing the pump assembly.
- the suction mouth of the pump is advantageous from a pump side Covered part of the housing so that one on the suction mouth of the pump adjoining chamber is formed, which on the one hand to redirect about 90 degrees to the laterally connected valve assembly and on the other hand is provided with an air separator in the upper area. at this arrangement is the space required to redirect the anyway Flow to separate the air that may be in it or gases are used.
- the Ventifbavaji advantageously has a valve chamber in which the Lines to the heating circuits open and also a line connection to the suction mouth of the pump.
- the lines to the heating circuits each lead into a valve seat and oppositely, wherein a closing body is arranged between the valve seats optional closing of one or the other valve seat provided is.
- the direction of movement of the closing body is preferably in provided in a direction parallel to the impeller axis of the pump, since then results in a particularly compact design, in which the through Rounding of the motor housing of the pump assembly formed free spaces can be used to save space for components of the valve assembly.
- Such an arrangement is particularly advantageous in connection with a Valve chamber of essentially round cross section, which is used to hold Inserts are graduated and the axis in the axial direction Valve seats or nozzles opening therein or parallel to it. Then namely, at least the component comprising the valve chamber, the is usually designed as a plastic injection molded part without lost Cores are produced, which is technically cheap.
- a valve seat the nozzle with, while the other valve seat through a separate component can be formed in a gradation this valve chamber fits securely.
- Valve chamber integrated in one of the gradations a dirt separator become.
- the component that closes at the bottom Cover at least part of the dirt separator.
- these can in Above gradations of the chamber can be used.
- the dirt separator integrated in the cover expediently has a lockable outlet so that before removing the cover, such as for cleaning the dirt trap or Replacement of the closing body is required, that located in the chamber Water can be drained. This is especially true for such aggregates important that in living spaces, such. B. the kitchen and hall installed be and strictly pay attention to the fact that also during maintenance work no liquid escapes from the system in an uncontrolled manner.
- the safety valve that is regularly prescribed for such systems is advantageous in the upper area of the chamber connect.
- an opening in the top of the chamber be provided in which a corresponding valve can be incorporated.
- Safety valves must be triggered manually for test purposes, thus the hot water, if necessary, when the valve is opened manually does not spray towards the operator, it is advisable arrange the outlet so that it is in the installed position ends in the back.
- there is a lever for triggering the Safety valve provided, which can be operated from the front. Through this So arrangement can be both a space-saving design and a Safe triggering for the safety valve that can be operated from the front be formed.
- This lever is advantageously designed so that it Safety valve overlaps on both sides and, if necessary, under Bypassing components is led forward. Through this bow-like The lever can only overlap without further support on Safety valve to be attached, taking place during swiveling movements the lever on the safety valve pushes off and the trigger pin of the Takes valve with it and thus opens the valve.
- a round cross section can be used a valve seat can be integrally formed with the chamber, whereas the other from below into the free end of the chamber as a separate one Component is used and is supported in a gradation.
- the one that forms a valve seat and can be integrated into the valve chamber Use can have both deflecting function and at the same time part of the Dirt separator. It advantageously has a tooth-like arrangement in the Deflection area of the flow to get long-fiber bodies out of the To separate flow.
- the closing body is advantageously actuated in a manner known per se Way by means of a lever that seals through the valve chamber wall is carried out.
- the lever is located in the area of the chamber wall, so that when the free lever end moves, the closing body is moved between the valve seats.
- the lever is powered by an electric Drive, for example controlled a spindle motor.
- an electric Drive for example controlled a spindle motor.
- the drive actuating the lever So usually the electric motor with a possibly downstream Gearbox, arranged above the free end of the lever and forward is removable. So it can not only function from the front Drive can be checked by visual inspection, but also the drive can be replaced without the valve or pump assembly to have to expand.
- connections of the valve assembly to the heating circuits are advantageous too out one side, preferably to the rear or to the from the side facing away from the pump unit, since it is easily accessible here, d. H. can be easily assembled and disassembled.
- the compact unit shown in the figures consists of a Pump assembly 1 and a valve assembly 2.
- the pump assembly 1 essentially consists of an electric drive motor 3 whose motor housing is laterally connected to a terminal box 4 and that is flanged on the front to a centrifugal pump 5, which is driven by the motor 3 is driven.
- the centrifugal pump 5 has a laterally out of the pump housing outgoing pressure nozzle 6.
- To the centrifugal pump 5 closes a pot-shaped end on the side facing away from the motor 3 Housing part 7, which engages over the suction mouth of the pump and one this upstream chamber forms one to the valve assembly 2nd pointing suction nozzle 8 and in the upper area a connection for has an air separator (not shown).
- the suction port 8 is arranged transversely to the motor and impeller axis 9 and is for connection with a corresponding nozzle 10 is provided on the valve assembly 2.
- the sockets 8 and 10 of the units 1 and 2 are with a bayonet 11 provided, parts of which can be seen in Figure 4. About this bayonet 11 the two units 1 and 2 are mechanically connected to each other. To do this, the connectors 8 and 10 must first be inserted into one another and then the valve assembly 2 to the pump assembly 1 as long be rotated around the nozzle axis until the bayonet in the in the figures 1 to 3 shown position snaps into place.
- the valve assembly is made up of injection molded parts and consists of a housing part 12 forming a valve chamber, which essentially one has a round cross section with two gradations 13 and 14.
- This Housing part 12 the internal structure of which can be seen from FIG. 5, has one first lateral connection piece 15, which for connection to the for Hot water supply provided heating circuit is provided.
- This housing piece 15 formed integrally with the housing part 12 steers the flow inside by 90 degrees, where it is at a valve seat 16 exit.
- the valve seat 16 is by a double-acting closing body 17 lockable.
- the closing body 17 can be one Close valve seat 18 which is formed at the end of an insert 19 which bears sealingly within the gradation 13 of the housing part 12.
- the insert 19 is inserted into the housing part 12 from below Cover 20, which is within the gradation 14 of the housing part 12 is applied.
- the insert 19 is rotationally symmetrical and has one from the valve seat 18 downwardly extending tubular part with lateral Breakthroughs through which the via a connecting piece 21, the is integrally formed with the housing part 12, from the heating circuit for the space heating coming water reaches the valve seat 18.
- these lateral openings are tooth-like on an inner ring Formations 22 are provided in the insert 19, which are used to collect long-fiber, substances carried in the flow are provided. Between these tooth-like structures 22 is a free passage to the one below, inside of the lid 20 formed space, which acts as a dirt separator is provided.
- a closable outlet connection 23 is located on the side of the cover provided, which is directed towards the front in the installed position (FIG. 3). This The outlet connector serves to open the cover 20, as is the case, for example is required to clean the dirt trap in the Valve assembly 2 located water can be drained.
- the Outlet connection 23 is accessible from the front for this purpose, and is opened by Turn the nozzle.
- the closing body 17 optionally closes the valve seat 16 or the Valve seat 18, which are arranged opposite and with their axis transverse are arranged to the impeller axis 9.
- the housing part 12 also has a connection in the upper region for a mechanical and line-connected safety valve 14, which has a rear-facing outlet 25 in the installed position has and an actuating pin 26 led upwards, that of one, the safety valve 24 above and laterally overlapping U-shaped bracket 27 is included, in the web area the thickened Pin end 26 is held positively.
- the bracket 27 is so wide that it is supported on the cover of the safety valve 24 and thus at one Pivotal movement forward lifts the pin 26 and thus that Valve 24 opens.
- the bracket is near the bottom of the safety valve 29 cranked 90 degrees forward and as far forward that its lever ends 28 are freely accessible from the front.
- the housing part 7 has a lateral, based on the installation position forward opening, through the sealing a lever 29 is guided and mounted, the inner end of the housing Closing body 17 carries and the other end led out as far forward is that it can be operated by hand in the installed position.
- This Lever 29 is acted upon from the underside by means of a spring 30, from the top through the spindle end 31 of a drive motor 32, with which the lever 29 controllable and thus the closing body 17 between the Valve seats 16 and 18 is movable. Since the spindle end 31 only compressive forces exerts on the lever 29 and the restoring forces by the spring 30 can be applied, the lever 29 with the spindle position retracted can be operated manually.
- the motor 32 is together with the spindle gear in a receiving clamp attached so that it is pulled out to the front in the installed position can be, be it to replace the drive motor 32 or to to be able to better reach the components behind it.
- a receiving clamp attached so that it is pulled out to the front in the installed position can be, be it to replace the drive motor 32 or to to be able to better reach the components behind it.
Landscapes
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- Fig. 1
- in stark vereinfachter perspektivischer Darstellung eine Ansicht von seitlich vorne auf ein Kompaktaggregat gemäß der Erfindung, so wie es in Einbaueinlage angeordnet ist,
- Fig. 2
- eine perspektivische Ansicht von schräg hinten,
- Fig. 3
- eine Vorderansicht in Einbaulage,
- Fig. 4
- in vergößerter Darstellung eine Draufsicht auf die Ventilbaueinheit und
- Fig. 5
- einen Schnitt längs der Schnittlinie V-V in Figur 4.
- 1 -
- Pumpenbaueinheit
- 2 -
- Ventilbaueinheit
- 3 -
- Motor
- 4 -
- Klemmkasten
- 5 -
- Kreiselpumpe
- 6 -
- Druckstutzen
- 7 -
- Gehäuseteil
- 8 -
- Saugstutzen
- 9 -
- Laufradachse
- 10 -
- Stutzen zur Pumpenbaueinheit
- 11 -
- Bajonett
- 12 -
- Gehäuseteil
- 13 -
- Abstufung
- 14 -
- Abstufung
- 15 -
- Anschlussstutzen
- 16 -
- Ventilsitz
- 17 -
- Schließkörper
- 18 -
- Ventilsitz
- 19 -
- Einsatz
- 20 -
- Deckel
- 21 -
- Anschlussstutzen
- 22 -
- zahnartige Gebilde
- 23 -
- Auslassstutzen
- 24 -
- Sicherheitsventil
- 25 -
- Auslass
- 26 -
- Zahpfen
- 27 -
- Bügel
- 28 -
- Bügelenden
- 29 -
- Hebel
- 30 -
- Feder
- 31 -
- Spindelende
- 32 -
- Antriebsmotor
Claims (14)
- Kompaktaggregat für eine Heizungsanlage, insbesondere für eine Gastherme mit zwei Heizkreisen, einem für die Raumheizung und einem für die Warmwasserbereitung, mit einer Pumpenbaueinheit(1) und mit einer daran saugseitig angeschlossenen Ventilbaueinheit (2), wobei die Ventilbaueinheit (2) mit mindestens einem Anschluss (10) zur Saugseite der Pumpe (5) sowie zwei Anschlüssen (15, 21) zur Verbindung mit den beiden Heizkreisen der Heizungsanlage versehen ist, dadurch gekennzeichnet, dass die Ventilbaueinheit (2) in Richtung der Laufradachse (9) der Pumpe (5) gesehen neben der Pumpenbaueinheit (1) angeordnet ist und an diese anschließt.
- Kompaktaggregat nach Anspruch 1, dadurch gekennzeichnet, dass die Pumpenbaueinheit (1) einen den Saugmund der Pumpe (5) übergreifenden Gehäuseteil (7) aufweist, der eine an den Saugmund anschließende Kammer bildet, an die ein Luftabscheider anschließt, wobei dieser Gehäuseteil seitlich einen Anschluss für die Ventilbaueinheit bildet.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Pumpenbaueinheit (1) und die Ventilbaueinheit (2) über eine Bajonettverbindung (11) miteinander mechanisch und leitungsverbunden sind.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Ventilbaueinheit (2) eine Ventilkammer aufweist, in der die Leitungen zu den Heizkreisen entgegengerichtet jeweils in einem Ventilsitz (16, 18) münden, und in der ein Schließkörper (17) zum wahlweisen Verschließen des einen oder des anderen Ventilsitzes (16, 18) vorzugsweise in einer Richtung parallel zur Laufradachse (9) der Pumpe (5) bewegbar geführt ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Ventilkammer einen im Wesentlichen runden Querschnitts aufweist und vorzugsweise abgestuft ausgebildet ist, wobei die Achse der Ventilkammer in Achsrichtung der darin angeordneten Ventilsitze (16, 18) oder parallel dazu angeordnet ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass an der Ventilkammer unten ein Schmutzabscheider (19, 20) anschließt, der zumindest teilweise durch einen die Kammer nach unten abschließenden Deckel (20) gebildet ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schmutzabscheider (19, 20), vorzugsweise der Deckel (20), einen verschließbaren Auslass (23) aufweist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass an die Ventilkammer nach oben ein Sicherheitsventil (24) anschließt, dessen Ausgang in Einbaulage nach hinten mündet und das mittels eines von vorne zugänglichen Hebels (27) betätigbar ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Hebel (27) für das Sicherheitsventil (24) bügelartig beidseitig das Sicherheitsventil (24) übergreift und entgegengesetzt zur Auslassrichtung nach vorne geführt ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der eine in der Ventilkammer angeordneter Ventilsitz (18) durch einen sich in mindestens einer Abstufung (13) der Kammer abstützenden Einsatz (19) gebildet ist und der andere Ventilsitz (16) einstückig mit der Ventilkammer (12) ausgebildet ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der den Ventilsitz (18) bildende Einsatz (19) der Ventilkammer auch Teil des Schmutzabscheiders (19, 20) bildet und vorzugsweise eine zahnartige Anordnung (22) im Umlenkbereich der Strömung aufweist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schließkörper (17) am Ende eines Hebels (29) angeordnet ist, der schwenkbar gelagert ist und dessen anderes Ende durch die Ventilkammerwandung dichtend hindurchgeführt ist und dort mittels eines elektrischen Antriebs (32) gesteuert wird, wobei die Hebelanordnung derart ist, dass dieses andere Hebelende in Einbaulage von vorne betätigbar ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der den Hebel (29) betätigende Antrieb (32) über dem freien Hebelende angeordnet und nach vorne abnehmbar ist.
- Kompaktaggregat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anschlüsse der Ventilbaueinheit (2) zu den Heizkreisen zu einer, vorzugsweise zu der von der Pumpenbaueinheit (1) abgewandten Seite oder an der Rückseite angeordnet sind.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20000128774 EP1217310B1 (de) | 2000-12-22 | 2000-12-22 | Kompaktaggregat |
DE50012994T DE50012994D1 (de) | 2000-12-22 | 2000-12-22 | Kompaktaggregat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20000128774 EP1217310B1 (de) | 2000-12-22 | 2000-12-22 | Kompaktaggregat |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1217310A1 true EP1217310A1 (de) | 2002-06-26 |
EP1217310B1 EP1217310B1 (de) | 2006-06-14 |
Family
ID=8170882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000128774 Expired - Lifetime EP1217310B1 (de) | 2000-12-22 | 2000-12-22 | Kompaktaggregat |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1217310B1 (de) |
DE (1) | DE50012994D1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1703192A1 (de) * | 2005-03-15 | 2006-09-20 | Grundfos Management A/S | Bajonettverbindung |
EP3012552A1 (de) * | 2014-10-21 | 2016-04-27 | Grundfos Holding A/S | Baueinheit für eine Kompaktheizungsanlage |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1300831B (de) * | 1965-07-06 | 1969-08-07 | Bieri Pumpenbau Ag | Umsteuereinrichtung fuer die Foerderrichtung von Zentrifugalpumpen |
DE2246790A1 (de) * | 1971-09-28 | 1973-04-05 | Itt Ind Gmbh Deutsche | Foerderanlage fuer zentralheizungsanlagen mit automatischer regelung |
EP0866280A2 (de) * | 1997-03-18 | 1998-09-23 | WILO GmbH | Anschlussadapter |
EP0874201A2 (de) * | 1997-04-26 | 1998-10-28 | Grundfos A/S | Baueinheit für eine Kompaktheizungsanlage |
DE19724564A1 (de) * | 1997-06-11 | 1998-12-17 | Laing Oliver | Zirkulationspumpe mit Durchströmsperre |
-
2000
- 2000-12-22 DE DE50012994T patent/DE50012994D1/de not_active Expired - Lifetime
- 2000-12-22 EP EP20000128774 patent/EP1217310B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1300831B (de) * | 1965-07-06 | 1969-08-07 | Bieri Pumpenbau Ag | Umsteuereinrichtung fuer die Foerderrichtung von Zentrifugalpumpen |
DE2246790A1 (de) * | 1971-09-28 | 1973-04-05 | Itt Ind Gmbh Deutsche | Foerderanlage fuer zentralheizungsanlagen mit automatischer regelung |
EP0866280A2 (de) * | 1997-03-18 | 1998-09-23 | WILO GmbH | Anschlussadapter |
EP0874201A2 (de) * | 1997-04-26 | 1998-10-28 | Grundfos A/S | Baueinheit für eine Kompaktheizungsanlage |
DE19717799A1 (de) | 1997-04-26 | 1998-10-29 | Grundfos As | Baueinheit für eine Kompaktheizungsanlage |
DE19724564A1 (de) * | 1997-06-11 | 1998-12-17 | Laing Oliver | Zirkulationspumpe mit Durchströmsperre |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1703192A1 (de) * | 2005-03-15 | 2006-09-20 | Grundfos Management A/S | Bajonettverbindung |
EP3012552A1 (de) * | 2014-10-21 | 2016-04-27 | Grundfos Holding A/S | Baueinheit für eine Kompaktheizungsanlage |
CN105526626A (zh) * | 2014-10-21 | 2016-04-27 | 格兰富控股联合股份公司 | 用于紧凑型供热设备的结构单元 |
Also Published As
Publication number | Publication date |
---|---|
DE50012994D1 (de) | 2006-07-27 |
EP1217310B1 (de) | 2006-06-14 |
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Legal Events
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---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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