EP1108190A1 - Tube ou systeme tubulaire pour collecteurs de canalisations, de circuits de chauffage et de chaudieres - Google Patents
Tube ou systeme tubulaire pour collecteurs de canalisations, de circuits de chauffage et de chaudieresInfo
- Publication number
- EP1108190A1 EP1108190A1 EP99950521A EP99950521A EP1108190A1 EP 1108190 A1 EP1108190 A1 EP 1108190A1 EP 99950521 A EP99950521 A EP 99950521A EP 99950521 A EP99950521 A EP 99950521A EP 1108190 A1 EP1108190 A1 EP 1108190A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- cross
- main
- pipe system
- section
- 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 9
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000011324 bead Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000009413 insulation Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
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
- Pipe or pipe system for pipe distributors, heating circuit distributors, boiler distributors and the like Pipe or pipe system for pipe distributors, heating circuit distributors, boiler distributors and the like.
- the invention relates to the design of at least one pipe or a pipe system for use in so-called pipe, heating circuit or boiler distributors according to the preamble of claim 1.
- German document DE 27 07 539 C2 shows, for example, a pipe-in-pipe system, in which the inner pipe is used for the inlet, while the outer pipe is then correspondingly provided for the return.
- Some the branch lines shown there are either only connected to the outer tube, while others are only connected to the inner tube.
- the tube-in-tube system is made of square tubes.
- the branch pipes are either soldered or welded into the main pipes.
- Branch pipes are located on a sheet metal body.
- the sheet metal body is enclosed at least from one side - by an essentially open rectangular cross section, which in turn also has branches.
- this latter body also has bores which allow the branches of the sheet-metal body to be pushed through.
- the other side of the sheet-metal body is enclosed by a likewise rectangular body, but this has no branches, for example.
- the branches of the sheet-metal body on the surface of the body with the through holes must also be soldered or welded.
- Another pipe connection is known from DE 195 12 024 C2.
- the branches are not welded here.
- the branches are screwed into the thread of a first U-shaped channel.
- sealing rings are used between the surface of the first channel and the branch.
- a second channel is formed by attaching a partition to the end of the first "channel and a second U-shaped channel is placed on it.
- the extended connecting piece has an annular seal, in this way the upper channel, the lower channel and the partition wall come together at the joint.
- connection point between a main pipe and a branch pipe could look like that is not welded or soldered. It was known that welded or soldered connections are made because a threaded connection between a pipe in the peripheral surface of a larger pipe with a circular cross section or equivalent cross section is not easily sealed because there are no flat sealing surfaces. Known pipes for such pipe connections are therefore made extremely thick-walled so that sealing surfaces can be machined or machined; In addition, expensive brass is generally used as the pipe material. Therefore, the invention provides that a thin-walled pipe in the region of a branch, compared to the said pipes, is permanently deformed, flattened and thus a flat connection point for a branch pipe is created.
- This flattening can also take place in a special way in that the larger pipe is not flattened, but rather the larger pipe is expanded in the region of the connection point (branch), that is to say partially over its longitudinal extent.
- dome-like widening of the cross section of the relevant area or areas of the pipe intended for a branch is an essential new feature of the subject matter of the invention.
- a branch pipe which also has a thread, can be screwed into this opening until its thread outlet, e.g. has a collar against which the flat mounting surface rests.
- a further development of the invention also provides that by attaching an outer bead in the end region of the branch pipe, an enlarged contact surface between the branch pipe and the flat mounting surface created in the enlarged cross section of the larger pipe arises.
- a sealing ring can, for example, be attached between these contact surfaces in order to seal this connection even better if necessary, for example at high pressures in the pipe system.
- connection to the space, which lies between the outer main pipe and the inner main pipe is achieved with a branch pipe with a short screw-in piece and the connection to the inside of the inner main pipe is achieved with a branch pipe with a long screw-in piece.
- Another embodiment of the invention is the thermal insulation of the flow and return flows flowing in pipe-in-pipe systems.
- the so-called flow of a heating system flows through the inner main pipe and therefore the return flows in the space between the inner main pipe and the outer main pipe. It makes sense to insert the flow into the inner pipe because the flow is at a higher temperature and is thermally insulated from the outside air by the return flow flowing around the inner main pipe.
- These pipe-in-pipe systems there is a Temperaturdif ⁇ ference between the inner main tube and the outer Hauptrschreib.
- an insulation layer is applied to the inner main pipe, for example by pushing on a hose made of a rubber-like material (soft foam, eg neoprene) which would be damaged by the welding which is necessary in tube-in-tube systems according to the prior art.
- a rubber-like material soft foam, eg neoprene
- Another, further embodiment of the invention is concerned with the axial connection of the new main pipe provided with dome-like extensions to further pipes.
- axial connections there are already screwable connections which save or avoid weld seams, but with these known screwable connections a thread is required inside the main pipe and in addition a special, complex adapter (nipple) and an additional union nut on the adapter, which is connected to the external thread of the further pipe.
- the further embodiment of the invention is such that the end of the pipe designed according to the invention is adapted, for example reduced, to the connection dimension of the further pipe by non-cutting shaping of the pipe diameter, and after fitting a union nut, also by means of non-cutting shaping, with an outwardly directed collar (flanged edge ) is provided.
- An optional additional bead between the flanged edge and the diameter reduction enables the insertion of a sealing ring.
- Another extension of the invention consists in its application to parallel main lines (main pipes) which are not plugged into one another.
- the branch pipes branch off from the main lines by means of the connection according to the invention (dome-like extensions; branch pipe with bead; screw connection with sealing ring).
- These branch pipes have between a fixed point - For example, a flange screw connection - and its screw connection to the main pipe a flexible section, which is for example a corrugated pipe.
- these branch pipes which are generally quite short and matched to the length required, are first screwed to the respective main pipe apart from the connection points, then each main pipe provided with branch pipes is brought into the area of the connection points and then the still free ends of the branch pipes connected to the relevant connection point.
- a mounting aid known per se can be assigned to the flanges to facilitate assembly and welding.
- the first installed main pipe and its branch pipes are bent sideways to the longitudinal axis of the main pipe.
- the second pipe distributor is now assembled in the same way as the first pipe distributor, as previously described.
- the main line and its branch pipes can also be bent to the side, but now in the other direction.
- the two systems consisting of a pipe distributor and branch pipes can be flow and return, but also systems with act in the same flow directions, which are performed separately for reasons of circuit division.
- Figure 1 a piping system according to the invention with three different embodiments of a dome-like extensions
- Figure 2 the end portion of a tapered main tube with the collar facing outward;
- Figure 3a the pipe distributor according to the invention in pipe-in-pipe assembly
- Figure 3b a cross section through the pipe distributor in pipe-in-pipe assembly
- Figure 3c a pipe distributor in pipe-in-pipe assembly and fluid connection of a branch pipe with an inner main tube;
- Figure 4 a further variant of the connection described in Figure 3c and Figure 5: a system of pipe distributor, with separate main pipes for upstream and downstream
- both of the flow and the return lie in one plane.
- FIG. 1 shows three different basic forms of a pipe distributor according to the invention.
- three different tubes 1 can be seen in their longitudinal extent.
- Section B-B through the unchanged pipe cross sections can be seen on the right edge of FIG.
- the sections of the section line A-A through the dome-like extensions 2a, 2b, 2c can be seen on the left edge.
- the upper cross section 2a shows an almost rectangular widened cross section.
- the figure below shows a U-shaped widened cross section 2b and the lower figure finally shows a barrel widened cross section 2c.
- Lines 7 are only intended to indicate the light edges of the deformation.
- Some of the dome-like extensions 2a, 2b, 2c have openings 5, the edges of which are preferably directed into the interior of the tube 1.
- the openings 5 are provided with a fine thread, not shown.
- the dome-like extensions 2a, 2b, 2c are partly only in the upper tube half 10 and not in the lower one Pipe half lu included, but they can also be attached in both pipe halves.
- the latter variant has the advantage that a possibly occurring one-sided distortion with only one-sided non-cutting deformation is compensated for.
- their diametrical (ie offset by 180 angular degrees) alignment is not absolutely necessary.
- different types of dome-like extensions 2a, 2b, 2c can also be present on a tube.
- FIG. 2 A detailed drawing of the tapered end region 1b of a tube 1 is illustrated in FIG. 2.
- a seal 10 flat gasket
- FIG. 3a The principle of a pipe-in-pipe system 11 with the branch pipes 12, 13 which can be screwed in according to the invention is shown in FIG. 3a.
- the screw-in branch pipes 12 are screwed into the outer main pipe 15 and at the same time inserted into the inner main pipe 16.
- the flow medium can only flow between the inner main pipe 16 and the branch pipes 12.
- the branch pipe 13 is only screwed into the outer main pipe 15 and is at a distance from the inner main pipe 16, there is only a flow connection between the two.
- the screw-in are for sealing
- an O-ring which lies in a bead 4 of the neck of the inner main tube 16 - and also provided with a seal 9 on the outer main tube 15. So that the sealing ring 9 has a bearing surface on the branch pipes 12, 13, these have an outer bead 14, 13. In this exemplary embodiment, only the dome-like extensions 2 of the outer main pipe 15 have a fine thread in their opening 5.
- a corrugated pipe-like pipe section 1d is provided on the inner main pipe 16, for example, so that no significant longitudinal stresses and associated embrittlement of the material occur at different temperatures of the flow media in the inner main pipe 16 and the outer main pipe 15 and the associated different longitudinal expansions of these main pipes 15, 16.
- this pipe-in-pipe system is certainly used for the realization of a forward and return flow.
- two rectified flows with different throughput quantities and / or different temperatures are used.
- a pasty sealing compound can also be used, which is preferably set to harden.
- the pipe-in-pipe system 11 is shown in cross section in FIG. 3b with a branch pipe 13 screwed only into the outer main pipe 15.
- insulation 17 around the inner main pipe 16 can be seen here.
- This insulation 17 can consist of a hose made of soft foam - for example neoprene.
- One may be behind this Other screwable branch pipe 12 located on the cutting plane has not been shown for reasons of clarity.
- FIG. 3c illustrates another important cross section through the pipe-in-pipe system 11.
- a screw-in branch pipe 12 can be seen, which is connected both to the inner main pipe 16 and to the outer main pipe 15.
- the dome-like extension 2b has a bead 4 for receiving a sealing ring 9.
- the insulation 17 is recessed around the dome-like extension 2b for the passage of the screw-in branch 12.
- FIG. 4 illustrates a variant of the branch described in FIG. 3c.
- the branch pipe 12 is not inserted into the inner main pipe 16 as in FIG. 3c, but is also screwed in. Although this connection point is then not necessarily absolutely sealed, in some applications a slight leakage between the inner main pipe 16 and the outer main pipe 15 is technically justifiable.
- a possible mismatching of the thread starts in the dome-like extension 2b and the branch pipe 12 is compensated for by elasticities in the longitudinal axis of the pipe-in-pipe system 1.
- This exemplary embodiment shown in FIG. 4 is to a certain extent a "saving" version of the pipe system according to the invention for pipe distributors and similar devices.
- FIG. 5 shows a system of pipeline distributors consisting of two parallel main pipes 1 not plugged into one another.
- the left part of FIG. 5 is a cross section through the system, while the right part of the figure shows a side view.
- Screw-in branch pipes 13 branch off from both main pipes 1.
- the branch pipes 13 have flanges 18 at their ends facing away from the main pipes 1.
- a corrugated pipe-like pipe section 1d is arranged (in the right part of FIG. 5, the corrugated pipe-like pipe section has not been explicitly highlighted; the drawing in the left part of FIG. 5 has been greatly simplified).
- the flanges 18 are all in one plane 22.
- branch pipes 13 In order to manufacture this system of pipe distributors, only one row with branch pipes 13 and the associated main pipe 1 is initially installed.
- the branch pipes 13 are worked to the appropriate length and screwed into the pipe 1.
- the free ends of the branch pipes 13, here the flanges 18, can each be connected to a connection point, which are not shown in FIG. 5, because the Branch pipes 13 now no longer experience rotation and the flange has a defined position to its connection point.
- the flanges for example if they are welded to the connection point, can be locked with an assembly aid, not shown.
- the pipe 1 together with the branch pipes 13 is then pivoted from the starting position 21 of the plane 22 either in the direction 19 or 20 in order to make room for the assembly of the second main pipe 1 with branch pipes 13.
- the deformation of the branch pipes 13 when swiveling is plastic.
- the second main pipe 1 is assembled in the same way as for the first main pipe 1.
- Swiveling is not absolutely necessary for the second main pipe 1, unless one wants to produce a system of pipe distributors with a total of three or even more main pipes 1. If no pivoting is carried out for the second main pipe 1, the main pipes 1 are so close together that they can be provided, for example, with a common thermal insulation.
- main pipes lo upper pipe half of the main pipe 1 lu lower pipe half of the main pipe 1 la interior of the main pipe 1 lb tapered end area of the main pipe 1 lc collar, directed outwards ld corrugated pipe-like pipe section
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19837023 | 1998-08-14 | ||
DE19837023 | 1998-08-14 | ||
DE19937851 | 1999-08-13 | ||
DE19937851A DE19937851B4 (de) | 1998-08-14 | 1999-08-13 | Verfahren zur Herstellung eines Rohrs oder Rohrsystems für den Einsatz in sogenannten Rohrleitungs-, Heizkreis- oder Kesselverteilern oder dgl. Vorrichtungen |
PCT/EP1999/005966 WO2000009953A1 (fr) | 1998-08-14 | 1999-08-13 | Tube ou systeme tubulaire pour collecteurs de canalisations, de circuits de chauffage et de chaudieres |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1108190A1 true EP1108190A1 (fr) | 2001-06-20 |
EP1108190B1 EP1108190B1 (fr) | 2002-11-20 |
Family
ID=26048174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99950521A Expired - Lifetime EP1108190B1 (fr) | 1998-08-14 | 1999-08-13 | Tube ou systeme tubulaire pour collecteurs de canalisations, de circuits de chauffage et de chaudieres |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1108190B1 (fr) |
AT (1) | ATE228227T1 (fr) |
DE (1) | DE29924006U1 (fr) |
WO (1) | WO2000009953A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10324454C5 (de) * | 2003-05-28 | 2012-07-26 | Radisav Drljevic | Rohrverteiler und Verfahren zur Herstellung eines Rohrverteilers |
DE102004036868B4 (de) * | 2003-11-18 | 2007-02-15 | Frasa Vertriebsgesellschaft Mbh | Heizkreisverteiler mit gewindelosen Anschlussstutzen |
DE102007016940B4 (de) | 2007-04-05 | 2010-12-23 | Waldemar Nemitz | Verteilerrohr |
DE202007015647U1 (de) | 2007-11-08 | 2009-03-19 | Interforge Klee Gmbh | Rohrverteiler |
ITVI20090176A1 (it) * | 2009-07-16 | 2011-01-17 | Mondeo Srl | Collettore di distribuzione, particolarmente ma non esclusivamente per impianti idrotermosanitari, nonché processo per la realizzazione di un collettore di distribuzione. |
WO2014131380A1 (fr) | 2013-02-26 | 2014-09-04 | Capricorn Sp. Z O.O. | Distributeur |
DE202013011468U1 (de) | 2013-12-23 | 2015-03-26 | Pipe Systems Gmbh | Rohrverteiler |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1751893A1 (de) | 1968-08-16 | 1971-05-19 | Tsni Telskij I Pk Kotloburbinn | Verteiler fuer Gas-Fluessigkeit-Gemische |
DE2116982C3 (de) | 1971-04-07 | 1974-08-29 | Meinrad 7241 Ergenzingen Grammer | RohrleitungsVerteileranlage für Vor- und Rücklaufleitungen, insbesondere für Warmwasser-Heizungsanlagen |
DE2637243A1 (de) * | 1976-08-19 | 1978-02-23 | Klemens Ing Grad Waterkotte | Heizkreisverteiler, insbesondere fuer fussbodenheizungen |
DE2707539C2 (de) | 1977-02-22 | 1985-01-17 | Klaus 4370 Marl Pohl | Rohrleitungsverteiler |
DE3006784C2 (de) * | 1980-02-22 | 1982-11-18 | Maile + Grammer Gmbh, 7407 Rottenburg | Rohrverteiler für Heizungsanlagen und Verfahren zu dessen Herstellung |
IT8021903V0 (it) * | 1980-05-26 | 1980-05-26 | Giacomini Rubinetterie | Collettore per la distribuzione di fluidi, per esempio dell'acqua calda, in impianti di riscaldamento. |
DE19512024C2 (de) | 1995-03-31 | 1998-07-02 | Hans Straub | Verteilervorrichtung für Heizkessel u. dgl. |
-
1999
- 1999-08-13 EP EP99950521A patent/EP1108190B1/fr not_active Expired - Lifetime
- 1999-08-13 AT AT99950521T patent/ATE228227T1/de active
- 1999-08-13 DE DE29924006U patent/DE29924006U1/de not_active Expired - Lifetime
- 1999-08-13 WO PCT/EP1999/005966 patent/WO2000009953A1/fr active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0009953A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE29924006U1 (de) | 2001-08-30 |
ATE228227T1 (de) | 2002-12-15 |
WO2000009953A1 (fr) | 2000-02-24 |
EP1108190B1 (fr) | 2002-11-20 |
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