EP0905454B1 - Armature de connexion pour connecter un vase d'expansion à une tuyauterie - Google Patents

Armature de connexion pour connecter un vase d'expansion à une tuyauterie Download PDF

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Publication number
EP0905454B1
EP0905454B1 EP98116900A EP98116900A EP0905454B1 EP 0905454 B1 EP0905454 B1 EP 0905454B1 EP 98116900 A EP98116900 A EP 98116900A EP 98116900 A EP98116900 A EP 98116900A EP 0905454 B1 EP0905454 B1 EP 0905454B1
Authority
EP
European Patent Office
Prior art keywords
passage
connection
expansion vessel
valve
connection fitting
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.)
Expired - Lifetime
Application number
EP98116900A
Other languages
German (de)
English (en)
Other versions
EP0905454A3 (fr
EP0905454A2 (fr
Inventor
Willi Hecking
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.)
Hans Sasserath GmbH and Co KG
Original Assignee
Hans Sasserath GmbH and Co KG
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 Hans Sasserath GmbH and Co KG filed Critical Hans Sasserath GmbH and Co KG
Publication of EP0905454A2 publication Critical patent/EP0905454A2/fr
Publication of EP0905454A3 publication Critical patent/EP0905454A3/fr
Application granted granted Critical
Publication of EP0905454B1 publication Critical patent/EP0905454B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24D3/1041—Flow-through
    • 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
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/133—Storage heaters
    • F24H9/136—Arrangement of inlet valves used therewith

Definitions

  • drinking water heaters in which the drinking water to be heated is in one closed container, e.g. is heated by heat exchange with heating water. When heated, the drinking water expands. This expansion must be taken into account be worn.
  • a membrane safety valve is usually used Drained water. That requires an outflow for the exiting Expansion water. The volume of expansion water lost in the process In a four-person household, depending on the installation and size of the Drinking water heater up to ten liters per day. That adds up considerable water and energy losses.
  • expansion tanks with the system of the DHW heater connect, which absorb the expansion water.
  • Known devices of this type contain a bubble membrane, which is arranged in a pressurized gas filled housing.
  • the edge of an inlet opening of the bladder membrane is with the edge of an inlet opening connected to the housing.
  • the inlet openings are with the system of Drinking water heater in connection.
  • In the space between the bladder membrane and The housing is filled with compressed gas via a filling valve.
  • EP-C-0 602 430 describes a connection fitting for an expansion vessel a cavity.
  • the connection fitting has one that passes the cavity direct flow passage between inlet and outlet.
  • the connection fitting also provides a parallel flow to the direct flow passage and flow path through the cavity.
  • In this parallel Flow path is a suction device through which by means of the direct flow path flowing flow of drinking water a suction can be generated that when tapping drinking water, a water exchange flow over the parallel Flow path through the cavity into a downstream part of the Flow path generated.
  • a ball valve is provided through which the parallel flow path upstream and can be shut off downstream of the cavity of the pressure expansion vessel and thereby a connection of the cavity to an outlet can be established.
  • the invention has for its object a simple construction of a Connection fitting with means for generating the water exchange flow and one To create a ball valve for testing the pressure expansion vessel.
  • Embodiments of the invention are the subject of the dependent claims.
  • connection fitting 10 is designated, which is part of an integrated Safety assembly forms.
  • the connection fitting 10 has an elongated, in essential tubular fitting housing 12.
  • a connection 14 with a union nut 16 is provided at the left end of Fig Fitting housing 12.
  • the valve housing 12 can be connected to a (not shown) Water pipe can be connected.
  • Perpendicular to the longitudinal axis of the valve body 12 is a connection piece 18 with a union nut 20 on the valve housing 12 intended.
  • a branch line can be connected to this connecting piece 18 that are not to be secured by backflow preventer and safety valve needs.
  • connection piece 18 To the right of the connection piece 18 is the interior of the connection fitting 10 a partition 22 with an opening 24 divided. A sits in the opening 24 Valve seat body 26.
  • a valve closing body 28 of a backflow preventer 30 exists from a valve plate with a stem. The stem of the valve closing body 28 is in a central opening 32 of an abutment body 34 out.
  • the shaft is from surrounded by a biased coil spring 38 which on the valve plate of the Valve closing body 28 presses.
  • the abutment body 34 is on ribs 40 of a cage 42 is supported, which is held in the valve seat body 26 by a coil spring 38.
  • a membrane 46 is clamped between the valve seat body 26 and the cage 42.
  • the way built-up backflow preventer 30 forms a cartridge which in a nozzle 48 Connection fitting 10 is used.
  • the cartridge is secured by a retaining ring 50, which is screwed into the socket.
  • the retaining ring 50 is screwed in Cap 52 covered.
  • connection fitting 10 On the opposite side of the connection fitting 10 is aligned with the nozzle 48 a nozzle 54 is provided.
  • a screw-down valve 56 whose Valve closing body 58 with a second valve seat of valve seat body 26 interacts.
  • the cup-shaped valve seat body 58 of the screw-down valve 56 has a breakthrough 60 in its "bottom".
  • the breakthrough 60 stands with one Outlet channel 62 in connection.
  • the outlet channel 62 is through a releasable plug 64 completed.
  • the backflow preventer 30 prevents water passage from the right part of the Connection fitting in Fig.1 to the left inlet side. This will cause a backflow of one connected to the right part of the connection fitting 10 drinking water heater Cold water supply line prevented, which is connected to the terminal 14.
  • the valve closing body 58 of the Screw-down valve 56 on the lower valve seat of the valve closing body 26 in FIG. 1 be screwed down. Then the plug 64 can be released. The Drinking water heater on the right part of the connection fitting is then from the cold water supply line Cut.
  • the backflow preventer 30 closes. If the Backflow preventer 30 is tight, no water from the drinking water heater exit channel 62.
  • a nozzle 66 is provided on the right in FIG. 1 downstream of the backflow preventer 30. At the nozzle 66 a (not shown) drinking water heater or the like. be connected. The connection fitting 10 there forms a through channel 68, in which water leads to the drinking water heater and from there to a tap.
  • connection fitting 10 At the right end of the connection fitting 10 in Fig.1 is a known and therefore Relief valve 74, not described in more detail here, is mounted with a discharge funnel 76.
  • the connection fitting 10 is designed so that instead of the arrangement shown in Fig.1 the pressure relief valve 74 can also be connected to the connector 66. Then it will be the DHW heater connected to the right end of the connection fitting 10. Out for this reason, the discharge funnel 76 is an angle piece with two connecting pieces 78 and 80 trained.
  • the Connection piece 78 In the position shown of the pressure relief valve 74 is the Connection piece 78 connected to an outlet 82 of the pressure relief valve 74. If the pressure relief valve 74 is upright connected to the connecting piece 66, the Outlet 82 horizontal. Then the connector 80 with the outlet 82nd connected.
  • the other connecting piece is a plug locked.
  • connection fitting 10 On the connection fitting 10 are two optional connection pieces 84 and 86 provided for connecting the pressure expansion vessel. These two Connection pieces 84 and 86 are arranged opposite one another and coaxially. The common axis of the connecting pieces 84 and 86 is crossed but laterally offset to the through-channel 68. The connecting pieces 84 and 86 form in the Connection fitting 10 a through channel 88, the through channel 68th touches on. The ball valve 72 is located in the channel 88 in the region of the gate.
  • the ball valve 72 includes a spherical valve plug 90.
  • the valve plug 90 is held between two annular bearing bodies 92 and 94 which are coaxial to the common axis of the connecting piece 84 and 86 are arranged.
  • the valve plug 90 can be rotated about an axis vertical in FIGS. 1, 2 and 6.
  • connection piece 84 to the connection fitting 10 is direct formed.
  • a collar 96 projects into the bore of the connecting piece 84.
  • the connection fitting 10 forms an enlarged bore 98 annular bearing body 92 is from the right in Figure 2 in the enlarged bore 98th inserted and lies against the collar 96.
  • the bearing body is through a collar 100 92 centered in the collar 96.
  • An O-ring 102 sits in an annular groove of the bearing body 92, on which the spherical valve plug 90 rests.
  • Side rests on the valve plug 90 of the bearing body 94 via an O-ring 104.
  • the in Fig.2 right connector 86 is formed on the separate component and in the Basic body of the connection fitting 10 screwed in.
  • the bearing body 94 secured by a collar 106 projecting into the bore of the connecting piece 86.
  • Collar 108 centers bearing body 94 in collar 106.
  • the spherical valve plug 90 protrudes in the region of the gate into the Through channel 68 into it.
  • the valve plug 90 there are two side by side channels 110 and 112 formed at right angles. Channels 110 and 112 open side by side in the through channel 68, as best shown in Fig.1 and Fig.4 can be seen. Between these mouths of channels 110 and 112 there is then inside of the imaginary spherical surface - a protruding ledge 114 is formed. This above Strip 114 extends transversely to the direction of flow in the through channel 68 flowing water flow ,.
  • the two channels are 110 and 112 angled at right angles so that they are in the operating position of the ball valve 72 (Fig.1, 2, 3 and 4) at their other ends side by side in the bore of the Connection piece 86 open. This is also shown in Fig.3.
  • the two channels 110 and 112 are each with one channel of the pressure expansion vessel in connection. These channels of the pressure expansion vessel run side by side in a screwed into the connector 86 of the Pressure expansion vessel. One of these channels of the pressure expansion vessel is a Flow channel, which is connected to the channel 110 of the valve plug 90. The another of these channels of the pressure expansion vessel is a return channel which is connected to the Channel 112 of the valve plug is connected.
  • a pressure difference In front of the strip 114, it is blocked by current, behind which Ledge creates a suction. It has surprisingly been found that this Pressure difference at that of the valve plug 90 between the mouths of the channels 110 and 112 occurring pressure difference is sufficient to a when tapping water sufficient water exchange flow through the pressure expansion vessel produce.
  • the valve plug 90 has a straight, diametrical through hole 118 on.
  • the through bore 118 runs vertically through the channels 110 and 112, but the through hole 118 through webs 120 and 122 which extend through the channels so that no connection exists between the through bore 118 and the channels 110 and 112.
  • Perpendicular to the through hole 118 runs a transverse bore 124 along the - in Fig.1 vertical axis of rotation of the valve plug 90.
  • a pin 126 coaxial with the axis of rotation.
  • the pin 126 is via a bearing bush 128 rotatably supported in a collar 130 of the connection fitting 10.
  • the pin 126 faces an axial outlet bore 132.
  • the outlet bore 132 is aligned with the cross bore 124 in connection.
  • the outlet bore 132 is normally through a plug 134 locked.
  • a test position which is shown in Fig. 6, the Through hole 118 with that connected to the connecting piece 84 or 86 Expansion vessel in connection. Channels 110 and 112 are through Valve plug 90 blocked.
  • this test position after removing the plug 134 the expansion vessel must be emptied. This allows a measurement of the on the Membrane of the pressure expansion vessel effective gas pressure without interference by the line pressure of the water.
  • the pressure expansion vessel can be adapted to the local conditions optionally connected to the connection piece 84 or to the connection piece 86 become. The respective other connection piece is od locked.
  • Fig.2 it is assumed that the pressure expansion vessel to the Connection piece 86 is connected.
  • the vessel-side mouths of channels 110, 112 are directed to the right in FIG. 2.
  • the valve plug 90 is rotated via the pin 126 by means of an adjusting handle 142.
  • the adjusting handle 142 sits on a polygon 144 of the pin 126. However, it must can be prevented that the valve plug 90 inadvertently rotated into its test position becomes. Then the system would operate without a pressure expansion vessel. That is why Handle 142 is normally locked in position. That happens through one Cam 146, which has four recesses 148 in the valve-side bottom surface 150 of the twist grip cooperates. This causes four to be 90 ° against each other staggered positions in which the handle 142 secured against rotation is. In order to move the control handle 142 to a different position, the control handle 142 pressed against the action of a spring 148 against the ball valve 72. In this depressed position, the adjustment handle 142 can be set to another of the four Positions are rotated. In this position it then engages again.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Check Valves (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Cookers (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Joints Allowing Movement (AREA)
  • Taps Or Cocks (AREA)

Claims (7)

  1. Robinet de raccordement (10) destiné à raccorder un vase d'expansion à un système de conduites muni d'un canal de passage (68) dans lequel s'écoule un courant d'eau, comprenant:
    (a) des moyens (114,110,112) destinés à générer, à travers le vase d'expansion, un courant d'eau d'échange dérivé du courant d'eau, et
    (b) une vanne à boisseau (72) munie d'un boisseau de vanne sphérique (90) grâce à laquelle la connexion guidant le courant d'échange d'eau entre le canal de passage (68) et le vase d'expansion est susceptible d'être bloquée et, au lieu de cela, une connexion du vase d'expansion avec une sortie (132) est susceptible d'être établie,
       caractérisé en ce que
    (c) un embout (84,86) pour le vase d'expansion est disposé sur le robinet de raccordement (10) en étant croisé, mais décalé latéralement par rapport au canal de passage (68), le canal (88) de l'embout (84,86) coupant le canal de passage (68),
    (d) le boisseau de vanne sphérique (90) de la vanne à boisseau (72) se situe dans le canal (88) de l'embout (84,86) et pénètre partiellement dans le canal de passage (68) à l'endroit où il est coupé,
    (e) deux canaux coudés (110,112) sont formés dans le boisseau de vanne sphérique (90), canaux débouchant à chaque fois d'une part dans le canal de passage (68) et, d'autre part, étant reliés en position de fonctionnement de la vanne à boisseau (72) à un canal aller et retour respectivement du vase d'expansion, et
    (f) un rebord (114) faisant saillie dans le canal de passage (68) et s'étirant, en position de fonctionnement de la vanne à boisseau (72), diagonalement par rapport au sens d'écoulement du courant s'écoulant dans le canal de passage (68) est formé sur le côté du canal de passage (68) entre les deux canaux (110,112), de telle sorte qu'il apparaít une différence de pression entre les embouchures des canaux (110,112) qui génère un courant d'échange d'eau à travers les canaux (110,112) et à travers le vase d'expansion.
  2. Robinet de raccordement selon la revendication 1, caractérisé en ce qu'il présente deux embouts (84,86) opposés alignés, le vase d'expansion étant susceptible d'être raccordé au choix à l'un des embouts (84,86) et l'autre embout respectif étant susceptible d'être fermé par un organe de fermeture.
  3. Robinet de raccordement selon la revendication 1 ou 2, caractérisé en ce que des nervures radiales (140) sont formées dans le canal (88) de l'embout. (84,86), nervures s'étirant jusqu'à la surface du boisseau de vanne sphérique (90) et séparant les embouchures des canaux (110,112) situées du côté du vase.
  4. Robinet de raccordement selon l'une des revendications 1 à 3, caractérisé en ce que le boisseau de vanne sphérique (90) de la vanne à boisseau (72) présente un perçage (118) s'étirant diagonalement par rapport à l'axe de rotation de celui-ci, traversant, en étant étanche, au moins l'un des deux canaux coudés (110,112) du boisseau de vanne (90) et étant relié à un perçage transversal (124) s'étendant le long de l'axe de rotation.
  5. Robinet de raccordement selon la revendication 3 et 4, caractérisé en ce que, en position de contrôle du boisseau de vanne (90), le perçage (118) s'aligne sur un morceau de tuyau (138) maintenu par les nervures radiales (140).
  6. Robinet de raccordement selon l'une des revendications 1 à 5, caractérisé en ce qu'il est intégré dans un bloc de sécurité muni d'un clapet anti-retour (30) et d'une soupape de sécurité (74).
  7. Robinet de raccordement selon la revendication 6, caractérisé en ce qu'un premier et un second branchement sont prévus pour une soupape de sécurité et un appareil consommateur (chauffe-eau sanitaire) et la soupape de sécurité (74) est susceptible d'être raccordée au choix à l'un des branchements et l'appareil consommateur est susceptible d'être raccordé à l'autre branchement respectif.
EP98116900A 1997-09-24 1998-09-08 Armature de connexion pour connecter un vase d'expansion à une tuyauterie Expired - Lifetime EP0905454B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742047 1997-09-24
DE19742047A DE19742047A1 (de) 1997-09-24 1997-09-24 Anschlußarmatur zum Anschließen eines Druckausdehnungs-Gefäßes an ein Leitungssystem

Publications (3)

Publication Number Publication Date
EP0905454A2 EP0905454A2 (fr) 1999-03-31
EP0905454A3 EP0905454A3 (fr) 2001-04-11
EP0905454B1 true EP0905454B1 (fr) 2003-03-26

Family

ID=7843409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116900A Expired - Lifetime EP0905454B1 (fr) 1997-09-24 1998-09-08 Armature de connexion pour connecter un vase d'expansion à une tuyauterie

Country Status (4)

Country Link
EP (1) EP0905454B1 (fr)
AT (1) ATE235666T1 (fr)
DE (2) DE19742047A1 (fr)
ES (1) ES2195248T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10105393C1 (de) 2001-02-06 2002-07-25 Rudolf Vollmer Sicherheitsgruppe zur Absicherung eines geschlossenen Trinkwassererwärmers
DE10259664B4 (de) * 2002-12-18 2007-01-04 Hans Sasserath & Co. Kg Geräteanordnung für eine Hausinstallation
DE10347666A1 (de) * 2003-03-20 2005-05-04 Sasserath & Co Kg H Sicherheitsgruppe zum Absichern von Trinkwassererwärmern
DE102005010139B4 (de) * 2004-12-29 2013-11-28 Hans Sasserath & Co. Kg Rohrtrenneranordnung
DE202008016920U1 (de) 2008-12-23 2010-05-20 Hans Sasserath & Co. Kg Armaturenanordnung für Trinkwassererwärmer
GB2586622B (en) * 2019-08-29 2021-11-17 Kohler Mira Ltd Water heater
GB2598489B (en) * 2019-08-29 2022-05-18 Kohler Mira Ltd Inlet transfer assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242036B4 (de) * 1992-12-12 2004-04-15 Hans Sasserath & Co. Kg Anschlußarmatur zum Anschließen eines Ausdehnungsgefäßes
DE19529959C2 (de) * 1995-08-14 2000-05-18 Reflex Winkelmann & Pannhoff G Anschlußarmatur zum Anschließen eines Membrandruckausdehnungsgefäßes an ein Leitungsnetz
DE29621353U1 (de) * 1996-12-09 1997-02-06 Reflex Winkelmann & Pannhoff GmbH & Co, 59227 Ahlen Anschlußarmatur zum Anschließen eines Membranausdehnungsgefäßes an ein Leitungsnetz

Also Published As

Publication number Publication date
DE59807626D1 (de) 2003-04-30
ES2195248T3 (es) 2003-12-01
ATE235666T1 (de) 2003-04-15
EP0905454A3 (fr) 2001-04-11
EP0905454A2 (fr) 1999-03-31
DE19742047A1 (de) 1999-03-25

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