EP2233844A1 - Récipient d'extension à pression de membrane - Google Patents

Récipient d'extension à pression de membrane Download PDF

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Publication number
EP2233844A1
EP2233844A1 EP09003715A EP09003715A EP2233844A1 EP 2233844 A1 EP2233844 A1 EP 2233844A1 EP 09003715 A EP09003715 A EP 09003715A EP 09003715 A EP09003715 A EP 09003715A EP 2233844 A1 EP2233844 A1 EP 2233844A1
Authority
EP
European Patent Office
Prior art keywords
membrane
outer edge
sealing element
vessel
diaphragm
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
EP09003715A
Other languages
German (de)
English (en)
Other versions
EP2233844B1 (fr
EP2233844B2 (fr
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.)
Winkelmann Sp Z Oo
Original Assignee
Winkelmann Sp Z Oo
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=40933588&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2233844(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP09003715.1A priority Critical patent/EP2233844B2/fr
Priority to SI200931048T priority patent/SI2233844T1/sl
Priority to PT90037151T priority patent/PT2233844E/pt
Priority to DK09003715.1T priority patent/DK2233844T4/en
Priority to PL09003715T priority patent/PL2233844T5/pl
Application filed by Winkelmann Sp Z Oo filed Critical Winkelmann Sp Z Oo
Priority to SI200931048A priority patent/SI2233844T2/sl
Priority to ES09003715.1T priority patent/ES2521500T5/es
Publication of EP2233844A1 publication Critical patent/EP2233844A1/fr
Publication of EP2233844B1 publication Critical patent/EP2233844B1/fr
Publication of EP2233844B2 publication Critical patent/EP2233844B2/fr
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • F24D3/1016—Tanks having a bladder

Definitions

  • the invention relates to a membrane expansion vessel for connection to a pipeline network with two vessel parts, which are pressure-tight and fluid-tightly interconnected in a circumferential connection region, the closed vessel interior formed by the two vessel parts being separated from a flat or half-shell-shaped membrane into a water space and a gas space is, wherein the water space is connectable via a connecting piece with the pipe network.
  • Such expansion vessels with membranes are used to accommodate changes in volume, for example, by pressure-dependent switching on and off of pumps, by pressure shock absorbers or temperature-related in closed fluid circuits that occur in water supply systems or heating circuits.
  • two different expansion vessel types are distinguished, namely vessels with two vessel parts and a flat or half-shell-shaped membrane and vessels with a bubble-shaped membrane which is inserted with its opening edge into the water connection of the expansion vessel and forms the water space.
  • the membrane can also form the gas space.
  • a major disadvantage of these long-proven expansion vessels is especially that in membranes made of an elastomeric material, especially over a long period of time, a certain permeation effect can not be avoided, so that penetrate from the gas space gas in the water space and thus in the pipe network can, which is undesirable, especially in heating circuits. This also reduces the gas volume in the gas space, which requires maintenance, since a refilling is necessary. This is associated with the corresponding effort.
  • the object of the invention is to develop a generic membrane expansion vessel so that a permeation of gas from the gas space into the water space reliably avoided, without thereby the manufacturing and assembly costs is increased significantly.
  • a membrane pressure expansion vessel of the type described above that the membrane is formed of an at least single-layered, gas-impermeable plastic and circumferentially connected at its outer edge with a sealing element, wherein the outer edge of the membrane with the sealing element in the connecting region between the two Vessel parts is fluid-tight manner.
  • a membrane expansion vessel available whose at least one-layer plastic membrane is gas impermeable, whereby a permeation of gas, in particular of air or nitrogen, is avoided.
  • the plastic material for example, an ethylene-vinyl alcohol copolymer (EVOH) can be used as a base.
  • the outer edge of the membrane is connected to a sealing element.
  • This circumferential sealing element may be suitably applied to the outer edge of the membrane.
  • the outer edge of the membrane is connected at the top and at the bottom in each case with a sealing element, whereby a particularly reliable sealing is achieved.
  • the sealing element is C-shaped and the outer edge of the membrane on the upper and lower sides surrounds.
  • Such a C-shaped sealing element can, for example, by encapsulation with the outer edge connected to the membrane.
  • the sealing element consists of a sealing foam applied to the outer edge of the membrane.
  • a sealing foam e.g. on a 2K polyurethane base
  • manufacturing technology makes it particularly easy to apply to the outer edge of the membrane.
  • the sealing element thus follows the contour of the outer edge of the membrane, which is dependent on the particular vessel shape (e.g., round, polygonal, polygonal with rounded edges).
  • the pressure and fluid-tight connection of the two vessel parts is preferably ensured in a manner known per se by virtue of the fact that the two vessel parts are positively connected to one another in the connection region while clamping the outer edge of the membrane.
  • An example of such a positive connection is in the FIG. 1 of the DE 28 14 162 B2 shown.
  • the membrane itself is preferably formed according to a first preferred embodiment of a plastic blend.
  • a plastic blend in particular a polymer blend, is a molecularly distributed or microscopically dispersed plastic alloy, ie a mixture of at least two base plastics or base polymers.
  • a base material then preferably has the required elastic properties, which allows the deformation of the membrane under pressure changes, and the other the gas barrier properties.
  • the membrane is made of an at least two-layer composite material with a first layer of an elastic plastic and a consists of an elastic gas-impermeable plastic associated with the first layer second layer.
  • the one layer serves as a carrier layer, to which, for example, by coextrusion, the second layer is applied.
  • the membrane has an at least three-layer structure, wherein the third layer consists of an elastic plastic.
  • the second layer of an elastic gas-impermeable plastic is then embedded on both sides.
  • Adhesion promoters may be provided between the layers.
  • a diaphragm pressure expansion vessel is in Fig. 1 generally denoted by 1.
  • This membrane expansion vessel 1 is formed in the embodiment as a flat vessel and suitable, for example, for insertion into a wall spa. But it can also have a different geometric design, for example, when used in conjunction with a boiler.
  • the membrane pressure expansion vessel 1 has two half-shell-shaped vessel parts 2, 3 made of metal.
  • the two vessel parts 2, 3 can basically have any desired geometric shape, e.g. also oval or angular.
  • the vessel parts 2, 3 are connected to one another in a pressure-fluid-tight and fluid-tight manner in a circumferential connection area, generally designated 4, which will be explained in more detail below.
  • a connecting piece 5 is provided for connecting the diaphragm expansion vessel 1 to a not shown line network.
  • the interior of the membrane expansion vessel 1 is subdivided by a membrane 6 into a water space 7 communicating with the connecting piece 5 and a gas space 8, this gas space 8 is provided with a gas under a predetermined overpressure, e.g. Air or nitrogen, filled.
  • a gas filling opening is provided, e.g. is closed by means of a simple plug or a gas filling valve 9.
  • the membrane 6 is made of an at least single-layered gas-impermeable plastic, e.g. from a plastic blend, i. a plastic alloy of at least two constituents, one component having elastic properties and the other having gas impermeable properties.
  • the gas-impermeable component may be, for example, EVOH and, of course, is also so elastic that the diaphragm 6 can change its shape under pressure changes and compress the gas space 8.
  • the membrane 6 can be equipped with additional profiles, beads or the like, which is not shown in detail.
  • this membrane 6 consists of an at least two-layer composite material, in Fig. 2 is a three-layer structure shown.
  • This membrane 6 consists of a first layer 6a made of an elastic plastic, for example propylene, a second layer 6b of an elastic gas-impermeable plastic, for example EVOH, and a third layer 6c, again of an elastic material, eg propylene (PP) or polyethylene ( PE).
  • PP propylene
  • PE polyethylene
  • an adhesion promoter can be provided between the layers.
  • Such a multilayer membrane 6 can be produced, for example, by coextrusion.
  • the outer edge 10 of the membrane 6 is preferably connected to the upper and lower sides in each case with a sealing element 11.
  • This sealing element 11 is preferably a sealing foam applied to the outer edge of the membrane 6, for example based on 2K polyurethane.
  • the membrane 6 is provided with its provided with the sealing elements 11 outer edge 10 in the connection region 4 between the two vessel parts 2, 3, then the vessel halves 2, 3 in the connection region 4, preferably positively, clamped together, e.g. by means of a circumferential clamping ring 12th
  • the membrane 6 then serves in addition to its actual membrane function at the same time as a sealing element in the connection region 4.
  • the sealing function is reliably ensured by the circumferential sealing element 11 at the outer edge 10 of the membrane 6, even if the material of the membrane 6 itself is not suitable as a sealant.
  • a single cross-sectionally C-shaped sealing element 11 ' is provided, which surrounds the outer edge (10) of the membrane (6) on the upper and lower sides and the outer edge (10) terminates radially outward.
  • Such a one-piece sealing element (11 ') can be connected, for example, by molding the membrane (6) with the membrane (6).
  • the invention is not limited to the illustrated embodiments. Further embodiments are possible without departing from the basic idea.
  • the two vessel parts 2, 3 also, as mentioned above, have a different geometric shape.
  • the membrane 6 itself can also have only one or two-layer structure.
  • the sealing element can also be formed by the elastic layer (6a or 6c) itself by appropriate material thickening.

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)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Diaphragms And Bellows (AREA)
  • Buffer Packaging (AREA)
EP09003715.1A 2009-03-14 2009-03-14 Récipient d'extension à pression de membrane Active EP2233844B2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES09003715.1T ES2521500T5 (es) 2009-03-14 2009-03-14 Vaso de expansión de membrana a presión
PT90037151T PT2233844E (pt) 2009-03-14 2009-03-14 Vaso de expansão por pressão de membrana
DK09003715.1T DK2233844T4 (en) 2009-03-14 2009-03-14 Diaphragm pressure expansion tank
PL09003715T PL2233844T5 (pl) 2009-03-14 2009-03-14 Membranowe ciśnieniowe naczynie rozszerzalne
EP09003715.1A EP2233844B2 (fr) 2009-03-14 2009-03-14 Récipient d'extension à pression de membrane
SI200931048A SI2233844T2 (sl) 2009-03-14 2009-03-14 Membranska tlačna ekspanzijska posoda
SI200931048T SI2233844T1 (sl) 2009-03-14 2009-03-14 Membranska tlačna ekspanzijska posoda

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09003715.1A EP2233844B2 (fr) 2009-03-14 2009-03-14 Récipient d'extension à pression de membrane

Publications (3)

Publication Number Publication Date
EP2233844A1 true EP2233844A1 (fr) 2010-09-29
EP2233844B1 EP2233844B1 (fr) 2014-09-17
EP2233844B2 EP2233844B2 (fr) 2017-03-01

Family

ID=40933588

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09003715.1A Active EP2233844B2 (fr) 2009-03-14 2009-03-14 Récipient d'extension à pression de membrane

Country Status (6)

Country Link
EP (1) EP2233844B2 (fr)
DK (1) DK2233844T4 (fr)
ES (1) ES2521500T5 (fr)
PL (1) PL2233844T5 (fr)
PT (1) PT2233844E (fr)
SI (2) SI2233844T2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20100166A1 (it) * 2010-05-26 2011-11-27 Zilmet S P A Membrana per vasi di espansione
WO2020218999A3 (fr) * 2019-04-25 2020-12-30 Önaysan Endüstri̇yel Ürünler Üreti̇m Ve Diş Ti̇caret Anoni̇m Şi̇rketi̇ Structure de réservoir de dilatation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10859276B2 (en) * 2016-04-05 2020-12-08 Smart Global B. Energy Ltd Water heating system with smart boiler and method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371632A (en) * 1943-01-01 1945-03-20 Ideal Roller & Mfg Company Accumulator
DE2814162B2 (fr) 1977-12-23 1980-01-10 Viatour S.A., Rombas (Frankreich)
US4315527A (en) 1980-01-14 1982-02-16 Tmi Sales Corporation Expansion tanks for pressurized fluids and diaphragms therefor
DE3544754A1 (de) 1985-12-18 1987-06-19 Viessmann Werke Kg Waermedehnungsausgleichsvorrichtung
DE29511961U1 (de) * 1995-07-25 1995-09-28 Lin, Ching-Hsiung, Pingtung Druckwasserkessel
DE202006015642U1 (de) * 2006-07-08 2007-01-11 Winkelmann Sp. Z.O.O. Membrandruckausdehnungsgefäß

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1600621A1 (de) † 1967-01-26 1970-01-08 Teves Gmbh Alfred Hydropneumatischer Druckspeicher mit einem zweiteiligen druckfesten Gehaeuse
FR2036025A5 (fr) † 1969-03-03 1970-12-24 Olaer Patent Co
DE2102969C3 (de) † 1971-01-22 1978-06-15 2800 Bremen Behälter mit Membrane
FR2636638B1 (fr) † 1988-09-20 1990-12-21 Peugeot Membrane elastique impermeable et accumulateur hydropneumatique equipe de cette membrane
DE4243652C2 (de) † 1991-12-27 1999-04-01 Tokai Rubber Ind Ltd Flexibles Trennwandelement für einen Flüssigkeitsspeicher
CA2175537A1 (fr) † 1996-02-15 1997-08-16 George M. Celorier, Jr. Reservoir de detente resistant a la corrosion
FR2759743B1 (fr) † 1997-02-17 1999-04-02 Peugeot Membrane elastique impermeable aux gaz et accumulateur hydropneumatique equipe de cette membrane
US6199717B1 (en) † 2000-06-09 2001-03-13 Fu-Jen Tsai Container for storing and supplying water under pressure
DE10116235A1 (de) † 2001-03-31 2002-10-17 Hydac Technology Gmbh Hydropneumatischer Druckspeicher
DE20310826U1 (de) † 2003-07-14 2003-09-18 Flamco Bv Membran für ein Ausdehnungsgefäß und Ausdehnungsgefäß mit einer solchen Membran

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371632A (en) * 1943-01-01 1945-03-20 Ideal Roller & Mfg Company Accumulator
DE2814162B2 (fr) 1977-12-23 1980-01-10 Viatour S.A., Rombas (Frankreich)
US4315527A (en) 1980-01-14 1982-02-16 Tmi Sales Corporation Expansion tanks for pressurized fluids and diaphragms therefor
DE3544754A1 (de) 1985-12-18 1987-06-19 Viessmann Werke Kg Waermedehnungsausgleichsvorrichtung
DE29511961U1 (de) * 1995-07-25 1995-09-28 Lin, Ching-Hsiung, Pingtung Druckwasserkessel
DE202006015642U1 (de) * 2006-07-08 2007-01-11 Winkelmann Sp. Z.O.O. Membrandruckausdehnungsgefäß

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20100166A1 (it) * 2010-05-26 2011-11-27 Zilmet S P A Membrana per vasi di espansione
WO2020218999A3 (fr) * 2019-04-25 2020-12-30 Önaysan Endüstri̇yel Ürünler Üreti̇m Ve Diş Ti̇caret Anoni̇m Şi̇rketi̇ Structure de réservoir de dilatation

Also Published As

Publication number Publication date
ES2521500T3 (es) 2014-11-12
PT2233844E (pt) 2014-11-03
SI2233844T1 (sl) 2014-12-31
EP2233844B1 (fr) 2014-09-17
ES2521500T5 (es) 2017-07-04
PL2233844T5 (pl) 2017-10-31
DK2233844T4 (en) 2017-04-24
DK2233844T3 (da) 2014-11-03
EP2233844B2 (fr) 2017-03-01
SI2233844T2 (sl) 2017-05-31
PL2233844T3 (pl) 2015-01-30

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