EP3561186A1 - Robinetterie à eau permettant d'effectuer un rinçage hygiénique - Google Patents

Robinetterie à eau permettant d'effectuer un rinçage hygiénique Download PDF

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Publication number
EP3561186A1
EP3561186A1 EP19169016.3A EP19169016A EP3561186A1 EP 3561186 A1 EP3561186 A1 EP 3561186A1 EP 19169016 A EP19169016 A EP 19169016A EP 3561186 A1 EP3561186 A1 EP 3561186A1
Authority
EP
European Patent Office
Prior art keywords
water
fitting
inlet port
installation
housing
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
EP19169016.3A
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German (de)
English (en)
Other versions
EP3561186B1 (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
Priority claimed from DE202018102284.9U external-priority patent/DE202018102284U1/de
Application filed by Hans Sasserath GmbH and Co KG filed Critical Hans Sasserath GmbH and Co KG
Publication of EP3561186A1 publication Critical patent/EP3561186A1/fr
Application granted granted Critical
Publication of EP3561186B1 publication Critical patent/EP3561186B1/fr
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/08—Arrangement of draining devices, e.g. manual shut-off valves
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0073—Arrangements for preventing the occurrence or proliferation of microorganisms in the water

Definitions

  • a water installation is, for example, a drinking water supply in a building. If no water is tapped for a long time, the water stagnates. At these conditions, germs can form. This is an undesirable flow state. It is therefore known to provide a provided with a barrier connection to a drain in the water installation. Within a predetermined period of time, about a week, this barrier is opened regularly. Then, an amount of water is passed into the drain, which is sufficient to flush the water installation completely.
  • Hygienic flushing is in any case carried out in known arrangements, irrespective of whether or not water has been tapped. So water is consumed even if there is no stagnation at all.
  • WO 2014 / 040823A1 discloses a water faucet for performing a sanitary lavage in a water installation. Water from the water installation can be discharged via a drainage arrangement so that stagnation in the water installation is avoided.
  • the water fitting has a connection for connecting the water fitting to a fresh water supply and a shut-off for interrupting the fresh water supply from the fresh water supply.
  • One of the arrangements is installed behind the last tapping point of a strand in front of a waste water connection to the waste water line. This arrangement has no own turbine and needs another fitting with a turbine and a complex control unit. Other arrangements have an integrated turbine. These are located in front of the last tapping point so that the turbine can detect the flow. The last tapping point is then no longer rinsed.
  • the disclosed in the publication embodiments are bulky, have a high flow resistance and are expensive.
  • the present invention provides a fitting housing having an inlet port for connecting the water fitting to a water supply.
  • the inlet connection is connected to the rest of the water installation. Fittings and piping between the water supply of the water installation and the present claimed Water faucet lie, can then be flushed with the water faucet with water from the water supply. It is therefore preferably provided that the water fitting is installed before the last tapping point or before the last water consumer of a strand.
  • the invention further provides a barrier.
  • a drain can be shut off, via the water from the water installation can be discharged.
  • the barrier can be different in nature. It can also be actuated in different ways - manually or automatically.
  • the drain can have its own drainage funnel and its own odor trap. This makes the arrangement voluminous and expensive.
  • the fitting does not have its own discharge funnel and odor trap.
  • the drain can be connected, for example, directly to the angle valve under a sink or to a toilet flush. Then the trap or siphon of the sink or toilet flush is included. It is understood that the drain can also be connected to other taps or water consumers with odor trap, such as the sewers of machines, shower, bath, bidet and the like.
  • the arrangement according to the invention provides, in addition to the drain, an outlet connection to the fitting housing.
  • the outlet port is used to connect to a water consumer, a tap or another water installation.
  • all water of the water consumer or tap flows from the inlet port through the water fitting to the outlet port.
  • the water fitting can be installed in particular in the supply line to a tap.
  • a particularly preferred variant provides that the water fitting is installed below a sink in the fresh water line. There is usually also the sewer line of the sink or the other tapping point or the water consumer easily accessible. But it is also possible, the invention To install the water faucet elsewhere in a water pipe and to connect the drain to the sewage via hoppers, hoses, pipes or the like.
  • the invention further provides that the shut-off is arranged outside the flow path between the inlet port and the outlet port before the drain, so that water can flow from the inlet port to the outlet port regardless of the state of the barrier.
  • This in combination with the outlet port, allows installation in a fresh water supply line.
  • the water fitting according to the invention has a very low flow resistance, can be made with small dimensions and requires little material. Unlike the known arrangements, for example WO 2014 / 040823A1 , only the rinse water flows through the barrier, but not water, which is tapped or otherwise consumed. Water provided at the downstream tapping point or at the downstream water consumer does not have to flow through the barrier. As a result, the barrier can be made smaller.
  • At least one sensor is arranged in the flow path between inlet port and outlet port, which detects the water pressure, the water temperature, the volume flow or another property of the water.
  • Such a sensor is in particular a turbine, an impeller or other flow-measuring means.
  • a flow-measuring means detects the flow through the water fitting. If no flow is detected over a longer period, this can be displayed and / or a signal can be generated. Then the barrier is opened and flushed the water installation. The danger of stagnant water with nucleation is avoided.
  • a particularly preferred embodiment of the invention provides that a turbine is provided with a magnet and a reed contact detects the rotation of the turbine with the magnet. But it is also possible to use other flow-measuring means.
  • a pressure sensor detects the pressure at the end of the water installation in front of the tapping point or the water consumer.
  • the pressure sensor is not absolutely necessary for carrying out the hygiene flushing or the detection of untypical and / or undesired flow states.
  • the detection of the pressure in the arrangement according to the invention before the last tapping point but allows the control of the set pressure at a pressure reducer in the house entrance area before the water supply. The additional installation of a separate pressure reducer and the associated effort are then not required.
  • a temperature sensor allows the monitoring of a temperature limit. For example, a lower temperature limit of, for example, 50 degrees Celsius for hot water and an upper temperature limit of, for example, 25 degrees Celsius with cold water to prevent the formation of Legionella or similar germs and microorganisms. However, there may also be other reasons for the temperature measurement, for example for checking heat losses or the like.
  • a signal processing device acted upon by signals of the at least one sensor for determining the conditions in the water installation.
  • the relationships may be the flow conditions, the pressure conditions, the temperature conditions or other conditions detectable by a sensor, which reflect the properties and history of the water at the location of the sensor.
  • the signals of the sensors can be evaluated, stored and forwarded.
  • the signals can be used to control the barrier.
  • a sensor can be formed by a turbine or another flow-measuring means, and a control device for controlling the shut-off in accordance with the flow conditions detected in the water installation with the flow-measuring means can be provided. If the turbine does not detect flow for a long period of time and does not rotate or turns very little, a control command is generated to open the shut-off for a limited period of time. Then the hygiene rinse is completely automatic. During the hygiene flushing, water is still available at the outlet connection. It can still be tapped water.
  • a sensor is formed by a pressure sensor, and a control device is provided for controlling a pressure regulator in the water installation regulating pressure reducer in accordance with the pressure detected in the water installation with the pressure sensor.
  • the water fitting is placed in a downstream area of the water installation. For example, this can be very high in a multi-storey building. There the water pressure drops. With the pressure sensor can be checked whether there is sufficient pressure at the measuring point in the water installation. The regulation of the pressure can be very fast. Thus, for example, a pressure drop, if a lot of water is removed at a tapping point, be compensated by further opening the pressure reducer for a limited period of water withdrawal. Further consumers then continue to have the usual pressure available. When the removal is complete and the pressure rises again, the reducer can be set to its original setting.
  • the signal processing device preferably has a communication device for communication with further signal processing devices in the water installation or a server.
  • the communication device can cooperate with a communication system for leakage protection, which, for example, in the WO 2014/029699 A1 described in detail, is sold by the applicant under the trade name "SYR Connect" and therefore need not be described again here.
  • the barrier is formed by a controllable solenoid valve.
  • a controllable solenoid valve may be practiced with other types of valves, such as a ball valve or the like.
  • a solenoid valve is particularly suitable for the present invention, because it allows small dimensions and is well controlled electrically.
  • the invention is achieved if an elongate housing bore with a flow-measuring means is provided in the fitting housing between the coaxial inlet connection and the outlet connection. Although it can also with a curved housing bore a smaller Flow resistance can be achieved. However, the arrangement is particularly compact if the inlet connection and the outlet connection are arranged coaxially and the elongate housing bore extends substantially straight. In the housing bore, a turbine or other flow-measuring means may be provided.
  • the arrangement is particularly compact if lateral accesses for one or more further sensors are provided in the axial direction along the housing bore.
  • the sensors can be arranged to save space above or next to each other along the housing bore.
  • the associated accesses may be formed as radial bores in the fitting housing. Depending on the application, one or more sensors can be used.
  • a particularly easy to install arrangement results from an outer housing, in which the valve body of the water fitting, the signal processing device and a control unit for controlling the barrier are integrated on a circuit board, so that a jointly installable module is formed.
  • the housing can be made very small, for example, a cube with 6 to 8 cm edge length or other shapes of comparable volume. This improves the possibilities of use.
  • a solenoid valve can serve as a barrier that is closed when no current flows.
  • the controller and the signal processing device can also be configured in such a way that no or only very little electrical energy is required if it is not measured, stored, evaluated or controlled. This keeps the power consumption of the device at a very low level. There is no additional power supply required except batteries or rechargeable batteries. This simplifies the installation and allows installation even in places where there is no power outlet or other electrical power supply.
  • connection adapter can be provided which can be connected rotatably to the inlet connection integrated in the fitting housing.
  • connection adapter is screwed into an existing thread of the water connection.
  • valve body is inserted with the inlet port.
  • the fitting housing can be fixed with a clamp on the connection adapter in the axial direction. The valve must not be rotated in this embodiment in the manufacture of the screw.
  • a particularly advantageous embodiment of the invention is achieved when a ball valve or other auxiliary shut-off is provided downstream of the inlet port. Then you can do without the angle valve or another auxiliary shut-off at the installation site. The installation is made easier and the fitting requires less installation space.
  • a particularly flexible water fitting is created if, in addition to the first inlet connection, a second inlet connection is provided on the fitting housing, the orientation of which deviates from the orientation of the first inlet connection and one of the two inlet connections is releasably closed with a stopper.
  • the equipment of the water fitting with two inlet ports of different orientation allows different installation orientations and use with different uses, such as cisterns, sinks etc.
  • an inlet port is arranged coaxially to the valve body and the other inlet port, for example, perpendicular thereto. It is also possible to provide further inlet connections.
  • the auxiliary shut-off has a first switching state, in which both inlet connections are shut off, has a second switching state, in which the first inlet connection is opened and the second inlet port is shut off and a third switching state in which the first inlet port is shut off and the second inlet port is opened.
  • This can be achieved for example with a ball valve having a through hole and a lateral bore extending to the through hole. When the ball is rotated about an axis perpendicular to the through hole, all three states can be realized.
  • FIG. 1 shows a generally designated 10 water fitting for performing a hygiene flush in a water installation.
  • the water installation in the present embodiment is a building with piping, various fittings, and several taps and water consumers, such as sinks, toilets, showers, bathtubs, bidets, washing and / or washing machines.
  • taps and water consumers such as sinks, toilets, showers, bathtubs, bidets, washing and / or washing machines.
  • water installations can be divided into several strands.
  • the water fitting 10 is installed at the last downstream point of the water installation or a string of the water installation. It is also possible to install only one or more water fittings 10 in one strand.
  • the water fitting 10 has a housing of three housing parts 12, 14 and 16.
  • the housing parts 12 and 14 form a first chamber. This is in the exploded view in FIG. 4 seen.
  • the first chamber encloses a valve housing made of plastic, which is designated by 18.
  • plastic any other suitable material, such as cast or brass or other alloy may be used.
  • a distinction is a fitting housing 18, which is usually a housing for a flow of water in a fitting, of a housing, which corresponds to the housing of the parts 12, 14 and 16, which is arranged around a fitting around.
  • the body of parts 12, 14 and 16 need not be watertight or withstand greater pressures. In addition to aesthetic aspects, it serves, in particular, to protect other components outside the fitting housing from dust, undesired manipulation and environmental influences. It is not absolutely necessary for the actual function of the water fitting.
  • the housing parts 14 and 16 form a second, separate from the first chamber chamber.
  • a board is housed.
  • a signal processing device, a controller and optionally a communication device are provided.
  • the communication device establishes a wireless or wired connection to a network over which other devices can be controlled.
  • a network may connect leakage protection devices, pressure reducers, water treatment devices and other fittings to communication and control devices and / or a server.
  • no communication device is provided. This self-sufficient solution is provided in particular for smaller water installations in which no other facilities are provided.
  • An inlet port 20 is for connection to a fresh water line of the water installation.
  • the water installation is usually connected to a water supply, such as the building entrance to a waterworks.
  • a downstream tapping point or a water consumer can be connected.
  • a drain connection 24 leads to a sewage pipe.
  • FIG. 3 illustrates how the water fitting 10 can be installed for example in a fresh water line 26 and 28, respectively.
  • Water flows through the water line 26 at the inlet port 20 into the fitting housing 18.
  • the water flows out of the valve body 18 back into the water pipe 28.
  • the water pipe 28 can lead, for example as a hot or cold water pipe to a sink.
  • the water fitting 10 is installed below the sink (not shown). This is easily possible because the housing 12, 14, 16 forms a cube with an edge length of only about 7 cm.
  • the drain connection 24 opens into a hose or in a line 30. This is in FIG. 3 clearly visible.
  • the line passes through a funnel 32 and a branch 34 into the sewage pipe 36 of the wash basin, which is typically a siphon (not shown) is provided as an odor trap. For the water fitting 10 therefore no additional odor trap is required in this embodiment.
  • connection of the water fitting 10 on lines 26, 28 and 30 by means of threaded nuts 38 and sealing rings 40. It is understood that other types of compounds, screw, clamp or plug, with or without nozzles, are suitable commonly used in the installation of water-bearing components.
  • the fitting housing 18 comprises, as in FIG. 5 and 6 good to see, an elongated tubular housing part 44 with a through hole 42.
  • the through hole 42 extends linearly and vertically. It is understood that a different orientation is possible.
  • the linear course has the advantage of low flow resistance.
  • a channel 46 is branched off.
  • the channel 46 is connected via a solenoid valve 48 with a side channel 50, which opens into the drain port 24.
  • the side channel 50 extends in the radial direction in a formed on the tubular housing part 44 nozzle 52. It is understood that the nozzle 52 and the side channel 50 may also assume a different geometry.
  • the solenoid valve 48 is a commercially available solenoid valve and therefore need not be explained in detail. With the solenoid valve 48, the flow from the channel 46 to the side channel 50 can be passed or interrupted. The solenoid valve 48 is electrically activated. When no current flows, the solenoid valve 48 is closed. This is the operating position. When current is passed through the solenoid valve 48, the solenoid valve 48 is opened. That's the flushing position.
  • any other type of barrier can be used.
  • a solenoid valve has the advantage that it can be made small and is electrically controllable.
  • water flows from the through-bore 42 through the channel 46 and the side channel 50 to the drain port 24. Water is flowed through and flushed with the upstream water installation. Stagnation is avoided or reversed.
  • the solenoid valve 48 may be opened after a certain time, for example 24, 48 or 72 hours. Then the valve opens, even if water has flowed through the water installation and actually no flushing is required. It is therefore provided in the present embodiment that a turbine 54 is disposed in the through hole 42. With the turbine 54 it can be detected whether and which water flow flows through the through-bore 42. For this purpose, a reed contact 56 is provided in the present embodiment, which detects the rotation of the turbine. Turbine and reed contact flowmeters are well known and therefore need not be further described here. It is understood that other flow-measuring means can be used.
  • the signals of the reed contact are transmitted to the signal evaluation unit. There it is determined when how much water has flowed through the through hole 42. If no or only too low a flow has flowed in a selected period of time, a control signal is generated with the aid of a likewise provided control, which opens the solenoid valve 48. Then, water flows through the entire upstream part of the water installation into the through-hole 42 and from there via the channel 46 and the side channel 50 to the discharge port 24. In this way it is automatically ensured that only rinsing is done when there is a risk of stagnation.
  • the flow measuring means in connection with the signal evaluation can also be used for other purposes.
  • the water consumption at the tapping point can be determined or leakage detected.
  • further displays and / or communication means, such as a transmitter or an internet connection can be provided on the board.
  • a temperature sensor 58 and a pressure sensor 60 are provided in the present embodiment.
  • the temperature sensor 58 the water temperature can be determined.
  • the signal is transmitted to the signal evaluation unit. There it is determined whether the temperature corresponds to a setpoint. In particular, it is determined whether the temperature is in a range at which the risk of Legionella formation or similar germs consists.
  • the signal evaluation unit with the control can then trigger appropriate measures, for example, more rinses or a change in temperature in the water by heating / cooling.
  • the pressure sensor 60 determines the water pressure downstream of the turbine. With the pressure sensor can be detected whether a desired pressure is present. If, for example, a lot of water is removed, as is the case when filling a bathtub, the water pressure also drops elsewhere. Conversely, higher pressure may be desired for this short period of time. With the help of the pressure sensor, a control signal can then be generated via the controller, which is transmitted to a house-side pressure reducer. The valve used in the pressure reducer can then be opened further, so that for the limited period of time the water pressure in the water installation is increased. If the pressure rises again after the water is removed from the pressure sensor, the valve in the pressure reducer is regulated back again.
  • the arrangement uses existing structures, in particular the supply line to a tapping point or a water consumer and the associated sewer line. As a result, the arrangement can be made compact, is inexpensive to produce and easy to install. Since the water fitting 10 allows particularly small dimensions, it can be used without effort in places that are not accessible with known arrangements, such as below a sink. In particular, the water fitting is suitable both for use under plaster, as well as for use on plaster.
  • FIGS. 7 to 9 show a generally designated 110 water fitting for performing a hygiene flush in a water installation according to a second embodiment. For clarity, no housing shown. The use and location of installation of the water fitting 110 is the same as the use of the water fitting 10 of the first embodiment.
  • the water fitting 110 has a substantially elongated fitting housing 118 as a housing for a water flow. On the fitting housing 118 of the water fitting 110 three ports are provided. An inlet port 120 is for connection to a fresh water line of the water installation. Unlike the first embodiment, the inlet port 120 forms an angle with the remainder of the elongated fitting housing 118. The inlet port 120 is formed by a nozzle 121 formed laterally on the tubular fitting housing 118. Downstream of the inlet port 120, a barrier 123 is arranged in the flow path. In the present embodiment, the barrier 123 is formed by a ball valve. The ball 125 of the ball valve 123 is rotatable about a horizontal axis. This is in FIG. 9 recognizable.
  • connection adapter 127 with seals 129 is inserted into the connection 121 forming the inlet connection 120.
  • the connection adapter 127 is secured by a clamp 131.
  • the connection adapter 127 is thus rotatably mounted, but immovable in the axial direction.
  • connection adapter 127 For installation, the connection adapter 127 is screwed with a thread 133 into the water connection of the water installation. The water fitting 110 is then inserted and secured with the bracket 133. In this way, the water fitting 110 does not need to be rotated for screwing.
  • the connection adapter 127 allows the position-independent installation of the fitting 110.
  • the water installation is usually connected to a water supply, such as the building entrance to a waterworks.
  • the further inlet port 135 is formed by a pipe section 141 and is coaxially screwed into the tubular housing 118.
  • the further inlet port 135 is closed with a plug 137 in the illustrations in which the angled flow is required.
  • the plug 133 is removed and the terminal adapter 127 is inserted and fixed in the further inlet port 135.
  • the plug 133 then closes the side port 120. It should be understood that the dimensions of the pipe 141, plug 137, port adapter 127, and port 121 are such that the plug 137 and port adapter 127 can be interchanged.
  • a drain port 124 leads to a sewer pipe.
  • FIG. 10 illustrates how the water fitting 110 can be installed directly and without an angle valve in a fresh water line 126 or 128, respectively.
  • Water flows through the water line 126 at the inlet port 120 in the fitting housing 118.
  • the water flows out of the valve body 18 back out into the water line 128.
  • the water line 128 can lead, for example as a hot or cold water line to a sink. Then, the water fitting 110 is installed below the sink (not shown).
  • the drain port 124 is connected like the drain port 24 of the first embodiment.
  • the construction and function of the water fitting 110 is, moreover, unchanged from the first embodiment.
  • connections other types of connections, screw, clamp or plug connections, with or without nozzles, are suitable, which are usually used in the installation of water-bearing components.
  • top, bottom, bottom, right and “left” refer to the attached drawings only. It is understood that claimed devices may also take a different orientation.
  • containing and the term “comprising” mean that other, non-named components can be provided.
  • substantially By the term “substantially,” “predominately,” and “predominantly,” are meant any feature that is predominantly property, or content, e.g. have more than all other components or properties of the feature mentioned, so for two components, for example, more than 50%.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)
EP19169016.3A 2018-04-24 2019-04-12 Robinetterie à eau permettant d'effectuer un rinçage hygiénique Active EP3561186B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018102284.9U DE202018102284U1 (de) 2018-04-24 2018-04-24 Wasserarmatur zur Durchführung einer Hygienespülung
DE102019103272.5A DE102019103272A1 (de) 2018-04-24 2019-02-11 Wasserarmatur zur Durchführung einer Hygienespülung

Publications (2)

Publication Number Publication Date
EP3561186A1 true EP3561186A1 (fr) 2019-10-30
EP3561186B1 EP3561186B1 (fr) 2021-05-26

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EP19169016.3A Active EP3561186B1 (fr) 2018-04-24 2019-04-12 Robinetterie à eau permettant d'effectuer un rinçage hygiénique

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022081456A1 (fr) * 2020-10-12 2022-04-21 As America, Inc. Appareil de robinet de chasse

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761184B1 (en) * 2003-11-25 2004-07-13 Scott C. Jordan Water flushing unit for a pressure balanced shower valve
US7063098B2 (en) * 2003-06-24 2006-06-20 Sprague Gerald L Flush cartridge apparatus and method of use
EP2500475A2 (fr) * 2011-03-14 2012-09-19 VIEGA GmbH & Co. KG Procédé et dispositif pur un rinçage automatique des tuyeaux
DE202013102154U1 (de) * 2013-05-16 2014-08-18 Hans Sasserath Gmbh & Co. Kg Anordnung zur Durchführung einer Hygienespülung in einer Wasserinstallation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7063098B2 (en) * 2003-06-24 2006-06-20 Sprague Gerald L Flush cartridge apparatus and method of use
US6761184B1 (en) * 2003-11-25 2004-07-13 Scott C. Jordan Water flushing unit for a pressure balanced shower valve
EP2500475A2 (fr) * 2011-03-14 2012-09-19 VIEGA GmbH & Co. KG Procédé et dispositif pur un rinçage automatique des tuyeaux
DE202013102154U1 (de) * 2013-05-16 2014-08-18 Hans Sasserath Gmbh & Co. Kg Anordnung zur Durchführung einer Hygienespülung in einer Wasserinstallation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022081456A1 (fr) * 2020-10-12 2022-04-21 As America, Inc. Appareil de robinet de chasse

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