EP1546611A1 - Collecteur pour systemes de chauffage central - Google Patents

Collecteur pour systemes de chauffage central

Info

Publication number
EP1546611A1
EP1546611A1 EP03771125A EP03771125A EP1546611A1 EP 1546611 A1 EP1546611 A1 EP 1546611A1 EP 03771125 A EP03771125 A EP 03771125A EP 03771125 A EP03771125 A EP 03771125A EP 1546611 A1 EP1546611 A1 EP 1546611A1
Authority
EP
European Patent Office
Prior art keywords
manifold
return
ports
flow
pipes
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
Application number
EP03771125A
Other languages
German (de)
English (en)
Other versions
EP1546611B1 (fr
Inventor
Risto Antero Ojala
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=31189559&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1546611(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from FI20021412A external-priority patent/FI114117B/fi
Priority claimed from FI20020407U external-priority patent/FI5814U1/fi
Application filed by Individual filed Critical Individual
Publication of EP1546611A1 publication Critical patent/EP1546611A1/fr
Application granted granted Critical
Publication of EP1546611B1 publication Critical patent/EP1546611B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

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
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • F24D3/1066—Distributors for heating liquids

Definitions

  • the present invention relates to a manifold as defined in the preamble of claim 1 for central heating systems .
  • the present invention is very applicable to central heating systems and particularly suitable in connection with ground source heat pumps described for example in the Finnish patent application No. 20020407.
  • the said type of a manifold includes such boxlike construc- tions that it cannot be produced of cast iron.
  • the said type of a manifold includes several welded seams, which are prone to corrosion.
  • the said type of a manifold includes several sharp corners, such as cut off tube ends, which are likely to worsen flowing dynamics. This problem could easily be eliminated if the manifold body could be made of cast iron.
  • An object of the present invention is to provide a manifold from which such disadvantages as mentioned above are removed and which is essentially smaller in height and length than the known solutions.
  • the present invention also provides a manifold design which allows production by casting which is not only an economical mass production method but allows designs and forms that are most advantageous from the point of view of flowing dynamics.
  • a manifold in accordance to the present invention is advan- tageous also in the sense that, thanks to the modular pump, the directions of the return and the flow pipes can freely be chosen according to the conditions at the site of the installation, this feature, however, is not likely to make the manifold prone to leaks in any measure.
  • a manifold in which the communication channel is placed outside of the manifold body which, in case the manifold is part of a ground source heat pump in accordance to the Finnish patent application No. 20020407, will offer the possibility to lead the heating circuit liquid to flow, when required, via the heat- accumulator to reduce the temperature of the heating circuit liquid down to a wanted level before it flows into the condenser of the ground source heat pump to remove the problem caused by the heating circuit liquid returning to the con- denser of the ground source heat pump in too high a temperature.
  • a manifold is provided which can be installed directly to the side of a tank or into a flow line by using a simple mounting flange.
  • a manifold is provided which allows connecting it together with additional manifold modules of one or multiple heating circuits i.e. a manifold is provided which allows retrofitting of the heating system with new heating circuits. Such a connection, being a flange joint, is not prone to leaks.
  • the manifold according to the present invention is characterized by what is presented in the characterization part of claim 1.
  • Other embodiments of the invention are characterized by what is presented in the other claims.
  • Fig. 1 presents the front view, the side view, and the side view with partial cross-section of a pump in accordance to the present invention
  • Fig. 2 presents the front view, the side view, and the cross-section of a return port adapter
  • Fig. 3 presents a manifold according to the present invention with overlapping mounting flanges as seen from the side of the manifold
  • Fig. 4 presents the design of the manifold according to the present invention with overlapping mounting flanges with partial cross-section as seen from the side of the manifold
  • Fig. 5 presents the manifold according to the present invention as seen from the side of the manifold with overlapping mounting flanges and with pumps and re- turn ports adapters installed in the same direction,
  • Fig. 6 presents the manifold according to the present invention as seen from the side of the manifold with overlapping mounting flanges and with pumps and re- turn ports adapters installed in different directions,
  • Fig. 7 presents the manifold according to the present invention as seen from the side of the manifold and connected with one heat-source and with five heating circuits,
  • Fig. 8 presents another embodiment of the manifold according to the present invention as seen from the side of the manifold
  • Fig. 9 presents a modified embodiment of the manifold according to the present invention as seen from the side of the manifold,
  • Fig. 10 presents yet another embodiment of the manifold in according to the present invention in cross section as seen from the front of the manifold
  • Fig. 11 presents the manifold shown in Fig. 10 as seen from the front of the manifold, and installed with the pumps and connected the heating system.
  • a pump 27 used in the present invention is shown in Fig. 1.
  • the body of the pump 27 is a cast iron piece having a mounting flange 1 with a machined sealing surface 8 and boltholes 2 for fixing the pump at any of the mounting flanges 19 of the manifold 35.
  • the pump housing 3 is formed by internal machining the body of the pump to match with the runner 9 of the pump 27.
  • the pump motor 4 and the runner 9 can be a commercial standard product, such as Wilo or Grund- fors makes.
  • the pump motor 4 is fixed at the pump housing 3 with its own fixing bolts and is sealed to the housing with original sealing elements 7 exactly the same way as it would be fixed and sealed to an original housing of the said pump manufac- turer.
  • the motor 4 and the runner 9 are therefore exchangeable parts and in service situations no other parts of the system ' need to be dismantled.
  • Outlet port 6, which is in connection with the pump housing 3, is placed at the side of the pump housing 3.
  • Fig. 2 one possible type of a return port adapter 28 used in the present invention is shown.
  • the return port adapter 28 consists at least of a mounting flange 10 with mounting holes 11 and an aperture 13 in the middle of the flange 10.
  • the return port adapter 28 has a pipe fitting 12 joined in the outer side of the flange 10 and in the middle of the flange so that the pipe fitting 12 covers the aperture 13.
  • the pipe fitting 12 of this type is for example a bended tube forming an angle of 90°.
  • the inner surface 14 of the mounting flange 10 is flat and forms a leak-proof surface.
  • the external dimensions of the mounting flange 10 and the size and the position of its mounting holes 11 are identical with the corresponding parts of the pump 27 described in Fig.l. Therefore the pump 27 and the return port adapter 28 can freely be mounted at any of the fixing flanges 19 of the manifold 35 shown in Fig. 3 and the directions of the outlet port 6 of the pump 27 and the pipe fitting 12 of the return port adapter 28 can freely be chosen.
  • Fig.3 the manifold 35 according to the present invention is shown with overlapping mounting flanges 19.
  • the body 15 of the manifold 35 is a monoblock cast iron piece, which is economical in production from the point of view of flowing dynamics and from the point of view of mass-production.
  • the mounting flanges 19 of the manifold are embossments at the body casting around the flow-openings 20, which are machined flat to be sealing surfaces and in which holes 17 for fixing bolts are drilled or tapped.
  • the upper mounting flanges 19 form together with the flow-openings 20 flow ports 16 for flow-pipes.
  • the pumps 27 are situated between the flow ports 16 and the flow-pipes.
  • the lower mounting flanges 19 form together with the flow-openings 20 return ports 18 for return-pipes.
  • the return port adapters 28 can be situated between the return ports 18 and the return- pipes.
  • the flow ports 16 and return ports 18 have been arranged so that the incoming directions and/or positions of the flow-pipes and return-pipes to be connected to the manifold 35 are adjustable in connection with the installation of the manifold 35.
  • a fitting 21, 22 for installing an automatic air-vent or measuring devices or alike.
  • An external communication channel 23 is provided, which will return excessive flow back to the heat-source in the case that only a part of the heating circuits are simultaneously working.
  • One end of the communication channel 23 is connected to the upper part of the lower chamber 25 of the manifold 35 and the other end to the upper chamber 26 of the manifold 35 so that a connection between the two chambers is formed.
  • Fig.4 presents the design of the manifold 35 according to the present invention with overlapping mounting flanges with partial cross-section.
  • the figure shows that the internal ⁇ space of the manifold 35 is divided, with a horizontal wall 24, into two from each other separated chambers, which are the upper chamber 26 and the lower chamber 25. If necessary a hole with a non-return valve in the dividing wall 24 can be provided to function as a communication port between the two chambers 25, 26.
  • Figs. 5 and 6 it is shown how the pumps 27 and return port adapters 28 can be installed on the manifold 35 when the manifold is equipped with the overlapping mounting flanges 19.
  • the pumps 27 and the return port adapters 28 have been installed all in the same direction, whereas in Fig. 6 the pumps 27 and the return port adapters 28 have been installed in different directions.
  • Fig. 7 presents the manifold 35 according to the present invention connected with one heat-source 33 and with five heating circuits 34.
  • the heat-source 33 is installed on the flow ports 16 of the manifold 35 so that the heated water is brought from the heat-source 33 to the upper chamber 26 of the manifold 35 and the cooled water from the heating circuits 34 is returned to the heat-source 33 from the lower chamber 25 of the manifold 35.
  • the mounting flanges 19, which are meant for fixing the pumps 27, are placed close to each other at the upper part of the face 29 of the manifold 35.
  • the return ports adapters 28 are not at the face but are placed at the fixed positions at the bottom 30 of the manifold 35.
  • the return- pipe is always behind the corresponding flow-pipe and do not take additional sideward space.
  • the dimensions of the mounting flanges 19 are decisive for minimum distance be- tween the flow-pipes, this solution therefore resulting with the shortest possible design of the manifold.
  • Fig. 9 presents the manifold according to the present invention modified for use as a part of the ground source heat pump in accordance to the Finnish patent application No. 20020407 or with any other type of a ground source heat pump.
  • the communication channel 23 is re- placed with two pipe fittings 31 and 32 through which the excessive flow is led to flow via the preheating tank of the domestic hot water in order to lower the temperature of the liquid returning to the heat source, which is likely to improve the efficiency of the ground source heat pump.
  • the body 15 of the manifold 35 can also be manufactured by welding from steel plate and the mounting flanges 19 can be replaced with steel profile forming flow- ports 16 and return ports 18.
  • One advantageous embodiment of the invention is presented in Figs. 10 and 11.
  • the manifold 35 is presented where the modular pump 27 can be replaced with a circulation pump 36 with axial intake such as Wilo type AC 20/5-0.
  • the flow ports 16 and re- turn ports 18 of the manifold 35 are internally or externally threaded pipe-fittings and the pumps 36 are mounted directly to the corresponding ports by using the own fittings of the pumps. This solution enables free setting of the direction of the flow- and return-pipes within a sector of about 270 degrees.
  • the wall 24 dividing the body 15 of the manifold 35 into the two chambers can be installed in such a way that the communication port 23 is formed in the middle of the manifold 35 inside of it.
  • the dividing wall 24 is made of two halves of equal length. These are fixed symmetrically inside of the manifold 35 one extending from the left end and the other from the right end of the manifold towards the middle of the manifold. The halves are made short so that they do not reach each other in the middle of the manifold but an opening is formed between their ends which opening forms the communication port 23. If the dividing wall 24, for its essential part, is installed to form an angle of 45 degrees with the horizontal line of the manifold, the pumps can be placed closer to each other and the manifold can be made even smaller and more compact.
  • the communication port 23 can act in two ways and the manifold 35 can be used both as a manifold and as a mixer valve without any other moving parts than the pumps. In the known manifolds this is not possible as in them the communication port 23 is at one or another end of the body which makes stable mixing function impossible.

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)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP03771125A 2002-07-25 2003-07-24 Collecteur pour systemes de chauffage central Revoked EP1546611B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FI20021412A FI114117B (fi) 2002-07-25 2002-07-25 Jakotukki ja modulaarinen pumppu
FI20021412 2002-07-25
FI20020407U FI5814U1 (fi) 2002-10-10 2002-10-10 Jakotukki
FI20020407U 2002-10-10
PCT/FI2003/000580 WO2004011851A1 (fr) 2002-07-25 2003-07-24 Collecteur pour systemes de chauffage central

Publications (2)

Publication Number Publication Date
EP1546611A1 true EP1546611A1 (fr) 2005-06-29
EP1546611B1 EP1546611B1 (fr) 2008-01-23

Family

ID=31189559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03771125A Revoked EP1546611B1 (fr) 2002-07-25 2003-07-24 Collecteur pour systemes de chauffage central

Country Status (6)

Country Link
EP (1) EP1546611B1 (fr)
AT (1) ATE384919T1 (fr)
AU (1) AU2003246753A1 (fr)
DE (1) DE60318869T2 (fr)
ES (1) ES2302951T3 (fr)
WO (1) WO2004011851A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006010562A1 (de) * 2006-03-06 2007-09-13 Wilo Ag Vorrichtung zum Verteilen und Regeln eines von einer Heiz- und/oder Kühlquelle stammenden Wärmeträgers
DE202009001056U1 (de) 2009-01-29 2010-06-24 Comfort-Sinusverteiler Gmbh Heizkreisverteiler
US8505565B2 (en) * 2009-06-10 2013-08-13 Zodiac Pool Care Europe Devices for treating, sensing, or otherwise acting upon fluid
GB2480669A (en) 2010-05-27 2011-11-30 Zonealone Ltd Manifold for a heating or refrigeration system
ITBO20110171A1 (it) * 2011-04-01 2012-10-02 O T M A S N C Di Spaggiari & C Collettore per impianti idraulici multi-zona

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986666A (en) * 1976-01-02 1976-10-19 Antonio Rietti Distributor for hot water heating systems
DE3006784C2 (de) * 1980-02-22 1982-11-18 Maile + Grammer Gmbh, 7407 Rottenburg Rohrverteiler für Heizungsanlagen und Verfahren zu dessen Herstellung
US4770341A (en) * 1987-07-14 1988-09-13 Infloor, Inc. Manifold
IES73226B2 (en) * 1995-08-29 1997-05-21 Monard Research & Dev Limited A manifold for connecting circuits of a central heating system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004011851A1 *

Also Published As

Publication number Publication date
AU2003246753A1 (en) 2004-02-16
WO2004011851A1 (fr) 2004-02-05
DE60318869D1 (de) 2008-03-13
ES2302951T3 (es) 2008-08-01
EP1546611B1 (fr) 2008-01-23
DE60318869T2 (de) 2009-01-08
ATE384919T1 (de) 2008-02-15

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