WO2023198660A1 - Récipient d'équilibrage de pression et agencement - Google Patents

Récipient d'équilibrage de pression et agencement Download PDF

Info

Publication number
WO2023198660A1
WO2023198660A1 PCT/EP2023/059354 EP2023059354W WO2023198660A1 WO 2023198660 A1 WO2023198660 A1 WO 2023198660A1 EP 2023059354 W EP2023059354 W EP 2023059354W WO 2023198660 A1 WO2023198660 A1 WO 2023198660A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
pressure compensation
fluid
upper region
opening
Prior art date
Application number
PCT/EP2023/059354
Other languages
German (de)
English (en)
Inventor
Jens Uwe Hinderks PANNENBORG
Original Assignee
Pannenborg Jens Uwe Hinderks
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
Application filed by Pannenborg Jens Uwe Hinderks filed Critical Pannenborg Jens Uwe Hinderks
Publication of WO2023198660A1 publication Critical patent/WO2023198660A1/fr

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
    • F24D3/1008—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
    • F24D19/00—Details
    • F24D19/08—Arrangements for drainage, venting or aerating
    • F24D19/082—Arrangements for drainage, venting or aerating for water heating systems
    • F24D19/083—Venting arrangements
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0278—Expansion vessels
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0292—Fluid distribution networks
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/046—Pressure sensors
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/048—Level sensors, e.g. water level sensors

Definitions

  • This invention relates to a pressure compensation container for closed and fluid systems subject to changing temperatures and pressures, wherein the pressure compensation container delimits an internal volume in a pressure-tight manner, which can be filled with fluid in a lower area and with a gas cushion in a remaining and immediately adjacent upper area, the pressure compensation container with openings opening into the lower area for the entry and exit of the fluid and with a closable opening opening into the upper area for filling the gas cushion and with a pressure measuring device for measuring the pressure in the inner volume of the pressure compensation container.
  • the invention relates to a vessel and device by means of which all volume changes in fluid systems that arise as a result of thermal expansion and contraction are absorbed and returned again, unaffected by an intermediate separating membrane that disrupts the pressure drop and gas transport, by a compressible, internal gas cushion can.
  • the MAG membrane expansion vessels manufactured and used according to the current state of the art often cannot fulfill the tasks required of them.
  • Such MAG usually consist of a pressure-resistant hollow vessel with an internally mounted, flexible membrane that divides the vessel into two chambers for a gas and a fluid, for example water.
  • the pressure in the gas-filled chamber corresponds to the hydrostatic water column plus an arbitrary "safety" pressure surcharge.
  • the sum of these two partial pressures is called the pre-pressure.
  • water and also the gas contained therein
  • the operating pressure increases. When it cools down, the previously expanded system contents shrink. The operating pressure falls and the expansion quantity flows back into the system.
  • the MAG is usually connected to the return line of the circulation system via a pipeline with an intermediate cap valve.
  • the task of the MAG is to maintain the essential and sensitive pressure balance in the circuit. This requires that the size of the air cushion, i.e. the air chamber and the mass of the water in the water chamber must be constantly known and correctable.
  • the system sucks in air when it cools down and pushes water out through the safety valve when the pressure peak occurs during the next warming up.
  • the need for make-up water increases, while in the cooling phase in the upper area of the system, outside air penetrates into the system due to the negative pressure created there (which then has to be let out again).
  • any water protection chemicals either end up in the drainage channel and/or they accumulate in the system due to evaporation, change the pH value and the ion concentration, are excreted and react to produce undesirable excretions.
  • the minerals introduced with the top-up water promote scaling and biofouling in addition to corrosion.
  • the state of the art also includes devices with which the quantities of water that change as a result of temperature changes are determined by weighing - and thus, in relation to the gas pressure, the required pressure balance is established and regulated. Since the gas pressure is equal to the system pressure, it is difficult to control the correct filling of either the water or the air chamber during flow operation due to the membrane in between and its internal tension.
  • the time for correcting the pressure balance by readjusting the form.
  • the time can, inevitably, only be determined arbitrarily, after the filling level of the MAG has been estimated by tapping.
  • the MAG must be separated from the system using the cap valve. The water chamber must then be emptied and then the air chamber must be pressurized using the valve with the specified pre-pressure.
  • the object of the invention is to propose a pressure compensation tank of the type mentioned at the beginning, which overcomes the disadvantages of the prior art and is also suitable in the context of an arrangement according to the invention as a terminal removable storage as a functional part in complex pipe networks for oscillating water movement for water treatment for the purpose of system cleaning.
  • Pressure compensation tank is the subject of claim 10.
  • the invention proposes to design the pressure compensation container without a membrane between the upper area filled with the gas cushion and the lower area filled with the fluid, in particular water, i.e. the upper and lower areas directly adjoin one another.
  • measuring devices assigned to two different level lines of the fluid are arranged in the inner volume of the pressure compensation tank, the measuring device assigned to the lower level line being connected to a controllable ventilation device of the upper region in such a way that when the fluid drops below the lower level line, the ventilation device of the The upper area is opened and the upper area can be depressurized relative to the surroundings of the pressure compensation tank.
  • the measuring device provided according to the invention for the upper level line makes it possible to fill the pressure compensation tank with fluid up to the upper level line in a defined manner during commissioning in order to achieve a defined filling state.
  • the gas cushion in the adjacent upper area can then be filled with this fluid filled up to the upper level line and defining the lower area, whereby the pressure of the gas cushion can be measured precisely.
  • the pressure of the gas cushion can always be measured precisely.
  • the value assigned to the lower level line can be used Measuring device reliably detects this and forced ventilation of the upper area containing the gas cushion against ambient pressure can be effected. This pressure drop then causes the system to be switched off by appropriate safety devices.
  • the measuring devices used according to the invention for the upper and lower level lines can be a wide variety of measuring devices, e.g. submersible electrodes, float switches or the like.
  • the measuring device assigned to the lower level line is formed by an immersion tube running through the upper area with a pipe opening ending on the lower level line, the immersion tube having an end facing away from the pipe opening with an outside of the pressure compensation tank arranged vent is connected.
  • the measuring device assigned to the upper level line is also formed by a dip tube running through the upper area with a pipe opening ending on the upper level line, the dip tube being formed at the end facing away from the pipe opening with a closable filling opening arranged outside the pressure compensation tank is.
  • the filling opening can be designed as a filling funnel.
  • a corresponding dipstick can also be inserted into the internal volume of the pressure compensation tank via the filling opening.
  • the upper area and the lower area in order to determine and display the level of fluid currently prevailing in the internal volume of the pressure compensation container, can be connected via a transparent line running outside the pressure compensation container be connected to each other.
  • This transparent line can be formed by a rigid piece of pipe or a flexible hose section and can also be provided with a scale.
  • the measuring devices, the closable opening for filling the gas cushion and the pressure measuring device open into the upper area via press fittings in an upper flange plate and the openings for the entry and exit of the fluid in a lower flange plate into the lower area .
  • the measuring devices can also be arranged in a height-adjustable manner in the internal volume of the pressure compensation tank in order to be able to adjust the position of the upper and/or lower level line.
  • the pressure measuring device of the gas cushion in the upper area can, for example, consist of a pressure gauge, a digital pressure sensor and/or a min./max. Through-switch can be formed, with combinations of the aforementioned pressure measuring devices also being possible.
  • a filter can be provided in the lower area of the opening for the entry and/or exit of the fluid in order to prevent the transfer of solids from the pressure compensation tank into a connected pipe network or in the opposite direction.
  • An arrangement using several of the pressure compensation tanks according to the invention is characterized in that in a consumer pipe system or circulatory system with a pipe network containing the fluid, a first pressure accumulator according to the invention is provided at a first point in the pipe network and at at least a second point in the pipe network, preferably at the end of the pipe network. Partial strands of the pipe network, second pressure accumulators according to the invention are arranged. In this way, to prevent deposits within the pipe network, an automatic forward and backward movement of the fluid and the associated flushing of the pipe network can be effected. According to a further proposal of the invention, a functional module for controlled oscillating fluid movement can also be provided in the pipe network.
  • Fig. 1 shows a MAG used in the prior art
  • Fig. 2 shows the system pressure column in a schematic representation
  • Fig. 4 shows a pipe network in a building, extending over three floors
  • Fig. 5 a fluid movement module.
  • Fig. 1 shows a MAG commonly used in the prior art. It usually consists of a pressure-resistant hollow vessel 38 with an internally mounted, flexible membrane 39, which divides the vessel into two chambers for a gas 43 and a fluid 42, for example water. At rest, the pressure in the gas-filled chamber 43 corresponds to the hydrostatic water column plus an arbitrary "safety" pressure surcharge. The sum of these two partial pressures is called the pre-pressure.
  • the fluid When heated, the fluid, usually water (and gas therein), expands into the MAG and presses on the membrane. The operating pressure increases. As it cools, the previously expanded system contents shrink. The operating pressure falls and the expansion quantity flows back into the system.
  • the constant gas pressure on the membrane 39 causes diffusion through the membrane into the water, so that the gas cushion in the air chamber 43 shrinks and thus also the absorption capacity of the MAG for the Expansion quantity.
  • the operating pressure increases over time with each heating up to the system pressure limit 48, after which water evaporates via the safety valve 22.
  • the MAG is usually connected to the return line of the circulation system or pipe network via a pipeline with an intermediate cap valve 45.
  • the task of the MAG is to maintain the essential and sensitive pressure balance in the circuit. This requires that the size of the gas cushion, i.e. the air chamber 43 and the mass of the water in the water chamber 42 must be constantly known and correctable.
  • Gas passes through the membrane 39 into the water chamber 42 and from there spreads throughout the system.
  • the air (or gas) initially physically dissolved in the water rises through buoyancy and circulation to the upper area of the system and can outgas there.
  • the system sucks in air when it cools down and pushes water out via the safety valve 22 during the pressure peak that follows the next warming.
  • the need for make-up water increases, while in the cooling phase in the upper area of the system, outside air penetrates into the system due to the negative pressure created there (which then has to be let out again). Under such conditions, treatment of the water is not possible.
  • the time for correcting the pressure balance it is generally not possible to determine the time for correcting the pressure balance by resetting the form.
  • the time can, inevitably, only be determined arbitrarily, after the filling level of the MAG has been estimated by tapping.
  • the MAG must be separated from the system using the cap valve 45.
  • the water chamber 42 must then be emptied and then the air chamber 43 must be pressurized via the valve 44 with the specified initial pressure.
  • the lowest pressure p m in in the hydrostatic pressure column is at the top edge of the system (49) in the breather position 30
  • the highest pressure p max is at the lower edge of the system 48 in the position of the safety valve 22
  • the scale 52 next to it abstractly describes the operational pressure window 53 within which the normal operational pressure events take place, as a part of the system pressure column 47.
  • the pressure gauge pressure displays are: lowest pressure 54, the selectable alarm pressure 53, highest pressure 55.
  • Fig. 3 shows a pressure compensation tank according to the invention that has improved functionality and is an innovative alternative to the currently common vessels in the area of heating, hot water and others.
  • a pressure compensation tank 1 delimits an internal volume in a pressure-tight manner and contains flange covers 2, 3 at the top and bottom.
  • the immersion depths of the immersion tubes 4, 6 can be moved using the compression fittings 17, 18 for the purpose of changing the level lines 5, 7.
  • the dip tubes 4, 6 serve as measuring devices for the level of the fluid filled in the lower area 41.
  • the upper region 40 located above is arranged directly adjacent to the lower region 41 without separation and is filled with a gas cushion.
  • a drain pipe 31 is connected to the tank connection 19 via the hand valve 24 and at the other end the pipe is provided with a hose coupling to which a transparent, multifunctional hose 9 is connected for manual control of the fill level using a scale 8, which in turn is connected via the Hose coupling 37 and pipe 32 and hand valve 14 are connected to the flange cover 3.
  • the remaining manual valves 20, 21, 23, 26, 28 are used to open or shut off the associated pipelines.
  • a dip tube 6 with an opening at the bottom 12 is guided into the tank with a funnel 34, hand valve 23 and compression fitting 18 up to the selected upper level line 7.
  • the funnel 34 is used for manual filling with liquid or chemicals, with the immersion depth of the immersion tube 6 determining the level of the level line 7.
  • Another dip tube 4 with opening 11 is guided over the hand valve 26 and the press fitting 17 to the selected lower level line 5.
  • a system inlet pipe 10 contains a manual shut-off valve 16 and supplies the lower area 41.
  • a float vent 30 is positioned on the dip tube 4, which locks the vent when the diving point 11 is flooded and, in the opposite sense, opens the vent when the fluid level falls lower than the diving point 11 and thus sets the pressure compensation tank to normal pressure (unpressurized).
  • the pressure gauge 29 is used for visual pressure control. 28 is a digital pressure sensor, 25 is a min./max. pressure switch; The filling valve 35 serves to control the pressure for air or nitrogen.
  • the filter 56 cleans the fluid, which leaves the pressure compensation tank 1 via the pipe 13 and hand valve 15.
  • Hand valve 50 is used to regulate the water flow in combination with the valves 15, 16.
  • the existing system safety valve 22 opens at maximum system pressure.
  • the pressure compensation tank is filled with fluid via the dip tube 6 until the opening 12 is closed and the fluid has reached the upper level line 7.
  • fluid can also flow in via the supply line 10 and the valve 16 until the level line 7 is reached.
  • An internal pressure is already building up in the upper area 40.
  • the gas cushion is then filled up to the desired internal pressure via the valve 35, which can be read, for example, via the pressure gauge 29.
  • the measured pressure of the gas cushion is the actual and precise working pressure consisting of the hydrostatic water column plus supplement, plus expansion pressure. He can either via The pressure gauge 29 can be read and/or queried via the pressure sensor 28 and reported as “critical” if it is displayed. If necessary, the gas cushion can be refilled using a hand pump via the filling valve 35.
  • the pressure in the upper area 40 drops and the pressure sensor 28 gives an advance warning; If there is further loss of water, the fluid in area 41 reaches the lower level line 5.
  • the opening 11 of the dip tube 4 is exposed and the breather 30 vents the internal volume of the pressure compensation tank to ambient pressure, i.e. the displayed and measured pressure falls to the value zero. At this moment, the pressure sensor 28 causes a shutdown with an alarm.
  • the pressure sensor 28 If the pressure drops due to a loss of gas, the pressure sensor 28 also issues an advance warning; if the pressure drops further, the system switches off.
  • the pressure compensation vessel 1 explained above automatically regulates the physical/chemical play according to the laws of thermodynamics. forces and reports limit value violations. The usual problems (stone, corrosion, biofouling) do not even arise. No regular external maintenance is required.
  • Fig. 4 shows a typical pipe system on three building floors with various taps (57 position “closed”), (58 position “open”) on the floors and water supply 10, for example in the basement.
  • the pressure compensation tanks 1 explained above are installed at the end, i.e. at the end of a pipe section or at the tap points.
  • the water entering via the system connection 10 fills the entire pipe system and the vessels 1 until the pressure is equal.
  • a hydraulic system separation device 58 and an automatic relief valve 60 prevent possible backflow into the supply line 10.
  • Water withdrawals cause a flow to the respective point of lowest pressure.
  • the water is in constant movement and effect between all withdrawal points in the entire system at uniform pressures Homogeneous conditions in all areas exposed to water, including the closed taps.
  • a mobile, optional, ambulatory functional module 65 can be switched on for the controlled, oscillating water movement for system maintenance.
  • the closure caps 66 designate the connection points.
  • the water movement module 65 removes water from tank 71 and presses it into the membrane-free pressure compensation tank 1.
  • the compression pressure increasing in the pressure compensation tank 1 and decreasing in the vessel 71 is determined with a first pressure switch 69. With the pressure gradient created in this way, any laminar flow can briefly be superimposed into a highly turbulent flow (Re > 2300) with a sinusoidal flow velocity.
  • valve 70 opens and the pressure regulator 74 controls the discharge pressure generated by the backflow.
  • the filter bed consists of natural minerals to stabilize the natural lime-carbon dioxide balance throughout the system.
  • the shut-off valve 75 is used to empty the tank 71.

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)

Abstract

L'invention concerne un récipient d'équilibrage de pression (1) pour des systèmes de fluide fermés qui sont soumis à des températures et à des pressions variables, le récipient d'équilibrage de pression (1) délimitant un volume interne de manière étanche à la pression, le volume interne pouvant être rempli de fluide dans une région inférieure (41) et avec un coussin de gaz dans une région supérieure (40) qui reste et est directement adjacent à la région inférieure (41), le récipient d'équilibrage de pression (1) étant conçu avec des ouvertures débouchant dans la région inférieure (41) et permettant au fluide d'entrer et de sortir, et d'une ouverture pouvant être fermée qui débouche dans la région supérieure (40) et permet l'introduction du coussin de gaz, et un dispositif de mesure de pression pour mesurer la pression dans le volume interne du récipient d'équilibrage de pression (1), des dispositifs de mesure associés à deux lignes de niveau différentes (5, 7) du fluide étant agencés dans le volume interne du récipient d'équilibrage de pression (1), le dispositif de mesure associé à la ligne de niveau inférieur (7) étant relié à un dispositif de ventilation pouvant être commandé de la région supérieure (40) de telle sorte que, lorsque le fluide chute au-dessous de la ligne de niveau inférieur (7), le dispositif de ventilation de la région supérieure (40) est ouvert, et la région supérieure (40) peut être commutée vers un état sans pression en relation avec l'environnement du récipient d'équilibrage de pression (1). L'invention concerne également un agencement utilisant des récipients d'équilibrage de pression de ce type.
PCT/EP2023/059354 2022-04-11 2023-04-10 Récipient d'équilibrage de pression et agencement WO2023198660A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022108794.8 2022-04-11
DE102022108794 2022-04-11

Publications (1)

Publication Number Publication Date
WO2023198660A1 true WO2023198660A1 (fr) 2023-10-19

Family

ID=86099905

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/059354 WO2023198660A1 (fr) 2022-04-11 2023-04-10 Récipient d'équilibrage de pression et agencement

Country Status (1)

Country Link
WO (1) WO2023198660A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902366A1 (de) * 1989-01-27 1990-08-02 Jens Pannenborg Verfahren und vorrichtung zum reinigen und regulieren der druecke in rohrleitungssystemen
DE19705741C1 (de) * 1997-02-14 1998-10-08 Hans Friedrich Bernstein Modulare Ausdehnungs- und Entgasungsvorrichtung für ein Flüssigkeitskreislaufsystem
KR101934765B1 (ko) * 2017-09-12 2019-01-03 양지석 압력탱크 안전 제어 시스템

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902366A1 (de) * 1989-01-27 1990-08-02 Jens Pannenborg Verfahren und vorrichtung zum reinigen und regulieren der druecke in rohrleitungssystemen
DE19705741C1 (de) * 1997-02-14 1998-10-08 Hans Friedrich Bernstein Modulare Ausdehnungs- und Entgasungsvorrichtung für ein Flüssigkeitskreislaufsystem
KR101934765B1 (ko) * 2017-09-12 2019-01-03 양지석 압력탱크 안전 제어 시스템

Similar Documents

Publication Publication Date Title
DE102007051433B3 (de) Ventilanordnung für Warmwasserbereiter
EP0081826A2 (fr) Dispositif pour purger des condensats et similaires hors de systèmes sous pression
EP3921481A1 (fr) Dispositif d'écoulement pour la connexion d'un système d'eau potable
DE2531629A1 (de) Kuehlereinrichtung
DE3213554A1 (de) Fluessigkeits-zuteilungsvorrichtung
DE3707271C1 (de) Ventilanordnung fuer einen Gasabscheider
WO2023198660A1 (fr) Récipient d'équilibrage de pression et agencement
AT13199U1 (de) Ausdehnungs- und Entgasungsvorrichtung zum Anschluss an ein Kreislaufsystem, insbesondere das Kreislaufsystem einer Gebäudeheizung
EP2539788A2 (fr) Dispositif et methode de mesurage de niveau de remplissage
EP0580881B1 (fr) Dispositif pour dégazer des liquides dans des systèmes à circuit de liquides
EP2110822B1 (fr) Procédé de réduction de l'alimentation en air provenant de l'atmosphère dans le récipient d'extension d'installations haute tension remplies de liquide d'isolation et dispositif d'exécution du procédé
DE102009060588B3 (de) Vorrichtung zum Ablauf von Flüssigkeiten
CH623912A5 (en) Monitoring device at the supply line of an oil-fed unit
DE2641941C2 (de) Selbsttätige Überfüllsicherung
DE19929327B4 (de) Vorrichtung zur Versorgung einer medizintechnischen Einrichtung mit einer Flüssigkeit
DE202004002279U1 (de) Druckhaltevorrichtung
EP1102012B1 (fr) Installation de dégazage
DE19649567A1 (de) Flüssigkeitsbehälter
DE2461549C2 (de) Anlage zum automatischen Ein- oder Nachspeisen von Trinkwasser in eine nicht Trinkwasser enthaltende Anlage, insbesondere in eine Warmwasserheizungsanlage
DE2802723C2 (de) Gerät zur Expansion, Luftabscheidung und Niveauanzeige für einen offenen Flüssigkeitskreislauf
DE1142084B (de) Verfahren und Einrichtung zur Leckanzeige bei Fluessigkeitsbehaeltern
EP2567737B1 (fr) Dispositif d'équilibrage d'un niveau de remplissage
DE1914796A1 (de) Verfahren und Vorrichtung zur Druckwasserfuellung von Pruefbehaeltern
DE577313C (de) Spuelanlage mit selbsttaetig schliessenden Spuelventilen
WO1997043203A2 (fr) Recipient pour liquide

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23718753

Country of ref document: EP

Kind code of ref document: A1