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EP4421404A1 - Boîtier pour un chauffe-eau instantané, chauffe-eau instantané électrique ainsi que dispositif - Google Patents

Boîtier pour un chauffe-eau instantané, chauffe-eau instantané électrique ainsi que dispositif Download PDF

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Publication number
EP4421404A1
EP4421404A1 EP23158041.6A EP23158041A EP4421404A1 EP 4421404 A1 EP4421404 A1 EP 4421404A1 EP 23158041 A EP23158041 A EP 23158041A EP 4421404 A1 EP4421404 A1 EP 4421404A1
Authority
EP
European Patent Office
Prior art keywords
housing
fastening
rear wall
points
cover
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
EP23158041.6A
Other languages
German (de)
English (en)
Other versions
EP4421404B1 (fr
Inventor
Christoph Rücker
Jörg Gerdes
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.)
Gerdes Holding GmbH and Co KG
Original Assignee
Gerdes Holding 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 Gerdes Holding GmbH and Co KG filed Critical Gerdes Holding GmbH and Co KG
Priority to EP23158041.6A priority Critical patent/EP4421404B1/fr
Publication of EP4421404A1 publication Critical patent/EP4421404A1/fr
Application granted granted Critical
Publication of EP4421404B1 publication Critical patent/EP4421404B1/fr
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
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/121—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
    • 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
    • F24H9/06—Arrangement of mountings or supports

Definitions

  • the invention relates to a housing for a continuous flow heater, the housing comprising at least one housing rear wall and at least one housing cover, wherein the at least one housing rear wall comprises at least two mounting points and the at least one housing cover comprises at least one fastening point.
  • the invention relates to an electric instantaneous water heater for heating a liquid.
  • the invention relates to an arrangement comprising a housing and/or continuous flow heater attached to a support, in particular to a wall, by means of fastening means.
  • housings for instantaneous water heaters have been known for many years from the state of the art.
  • Such housings are usually used in uniform designs, which in particular provide a cover for the interior.
  • such housings serve to shield the instantaneous water heaters and in particular their mechanical and electronic components, such as a heating device, from dirt, damage and water.
  • Water can, for example, act on the housing from the outside.
  • there are legal or product-related requirements regarding water protection which are documented, for example, in IPX5.
  • the housings must be shielded from the environment in such a way that no contamination or unauthorized access to the interior of the housing occurs. This shielding is achieved, for example, by appropriately positioning the housing above the interior and by appropriate sealing surfaces between the two housing parts.
  • condensation can also occur inside the housing, i.e. in the housing interior. which must not have any damaging effects on the interior of the instantaneous water heater.
  • the electric hot water heaters namely the instantaneous water heaters, or their housings, have at least one condensate opening in the lower area of the housing, for example, which allows the condensate to drain out of the interior of the housing.
  • Condensate receptacles and corresponding partitions can also be provided in the interior of the housing to prevent contact with the condensate.
  • the housings usually consist of a first housing part, namely a lower part, which is preferably a housing rear wall, and a second housing part, namely an upper part, which is preferably a housing cover.
  • the housing rear wall which can also be designed or referred to as a housing rear wall shell
  • the housing cover which can also be designed or referred to as a cover, form a preferably closed interior space for the functional components of the instantaneous water heater.
  • the hot water devices and in particular the instantaneous water heaters are permanently mounted on a wall. Different procedures are known for wall mounting.
  • the housings also provide an important means of fastening the corresponding instantaneous water heater to the supports provided for this purpose, which are usually (house) walls or other supporting elements, in particular using appropriate fastening means (e.g. screws).
  • Housings for instantaneous water heaters with a housing rear wall and a housing cover are known from the prior art.
  • the instantaneous water heaters In addition to fastening the instantaneous water heater to a wall bracket previously mounted on the wall, it is common for the instantaneous water heaters to be screwed directly to the wall with their housing rear wall.
  • the screws are screwed through the device rear wall at predetermined positions, the so-called mounting points or fastening points.
  • the housing rear wall usually has recesses through which the housing rear wall is fastened to the wall using screws.
  • the housing is securely attached to the mounting surface (e.g. wall) in accordance with the manufacturer's specifications.
  • Instantaneous water heaters can weigh several kilograms, so careful fastening is essential.
  • the known instantaneous water heaters generally only offer a small processing area inside the housing, so that fastening the instantaneous water heater according to the manufacturer's specifications is often problematic and time-consuming and the risk of damage, especially to electrical or electronic components, inside the housing is increased.
  • the entire housing usually has to be removed in order to establish a connection to the external power supply, which creates a lot of work.
  • installation positions are often chosen that do not provide optimal access to the mounting points (fastening points).
  • the housing covers have a decorative effect, which is why publicly visible mounting points/fastening points are generally undesirable. Due to the difficult-to-access mounting points/fastening points, which are regularly arranged in the interior of the housing, additional fastening of the housing cover to the housing base is necessary, which makes the installation of the instantaneous water heater error-prone and time-consuming.
  • the object is also to provide a corresponding continuous flow heater and an arrangement of a continuous flow heater.
  • the housing for a continuous flow heater mentioned at the outset in that at least one of the mounting points is designed and configured to fasten the at least one housing rear wall to a support, in particular to a wall, by means of at least one fastening means through the at least one mounting point, and in that the at least one fastening point is designed and configured to fasten the at least one housing cover to the at least to fasten a housing rear wall by means of at least one further fastening means, wherein the fastening means can be fastened to the support by the at least one fastening point and by another of the mounting points.
  • a fastening means can be fastened to the wall by one of the mounting points, wherein to arrange the at least one housing cover on the housing rear wall, a further fastening means can be fastened to the wall by the fastening point and by another of the mounting points.
  • the housing according to the invention achieves in an unforeseen and functional way that a simple and quick and thus cost-effective and therefore cost-effective assembly of the housing or the instantaneous water heater is ensured. In this way, it is possible to first fasten the housing rear wall to the support by the at least two mounting points and then - without separately securing the housing rear wall - to fasten the housing cover to the housing rear wall by the at least one fastening point.
  • the housing according to the invention makes it possible to fasten the rear housing wall and the housing cover together at the same time and then, when fastened, to remove only the housing cover, for example for maintenance purposes, without having to completely detach the rear housing wall from the support.
  • the housing or the water heater can therefore be closed and completely fastened to the support provided for this purpose and it does not have to be opened/disassembled.
  • the housing according to the invention for a water heater therefore reduces the risk of damage to the housing and the parts installed in it.
  • the assembly, disassembly or maintenance of the housing according to the invention for a water heater can therefore also be carried out reliably by less trained or qualified persons, which further increases the intended use and location of such water heaters and at the same time reduces maintenance and assembly costs.
  • the arrangement of the mounting points in conjunction with the fastening points can also prevent incorrect assembly, since the respective arrangement of the points in relation to one another provides a convenient solution to bring about a step-by-step and safe assembly.
  • the mounting points represent the corresponding areas/mounting points with which or through which the corresponding fastening means for fastening the rear wall of the housing to the support.
  • the rear wall of the housing can also be referred to as the lower part of the housing, among other things.
  • the rear wall of the housing is not directly the back of the housing, but rather the housing section intended to hold the housing cover.
  • the support for fastening the instantaneous water heater is preferably a surface of a wall or a ceiling.
  • the support comprises at least a section of a load-bearing element in order to fasten the rear wall of the housing to the support using the fastening means through the mounting points.
  • the support does not have to have a flat support surface, but rather at least one corresponding section for the mounting points.
  • the mounting points and/or the fastening points it is also not necessary that these have recesses/cutouts/openings etc. or that they are formed from receptacles.
  • a preferred embodiment is characterized in that the mounting points and/or fastening points are introduced into the housing part as notches, recesses, material webs, material noses or the like or are formed by the housing.
  • the mounting points and/or fastening points are designed and set up as drill holes or receptacles for the fastening means, in particular for screws, on the housing part.
  • the mounting points and/or fastening points run perpendicular to one another and parallel or perpendicular to the outer contour of the housing part. More preferably, the mounting points and/or fastening points are drill holes that are designed and set up for fastening by the fastening means, which are particularly preferably screws.
  • the material of the housing according to the invention for a continuous flow heater preferably comprises predominantly plastics (e.g. ABS, PS, PP, etc.), in particular durable plastics that have corresponding strength and durability properties.
  • the material of the housing must, on the one hand, be at least sufficiently light, provide a certain degree of shielding against (splash) water and offer the possibility of attachment to a support.
  • the housing is advantageously characterized in that the housing rear wall and/or the housing cover each have material depressions and/or material elevations as markings at at least two points, but preferably at four evenly distributed points.
  • the provision and arrangement of such markings support the easy and quick determination of the assembly points and/or fastening points.
  • An expedient further development of the invention is characterized in that the housing rear wall is a housing part of a continuous flow heater.
  • the housing rear wall in particular is suitable for providing the markings accessible from the outside due to its close fit to the wall.
  • a preferred embodiment is characterized in that the at least one housing rear wall comprises four mounting points and that the at least one housing cover comprises two fastening points, wherein the mounting points are designed and set up for arranging the at least one housing rear wall on a support by means of at least one fastening means each, and wherein the two fastening points are designed and set up for arranging the at least one housing cover on the at least one housing rear wall by means of at least one further fastening means each, wherein the further fastening means can be fastened to the support by the fastening points and by the further of the mounting points.
  • the at least one housing rear wall preferably comprises four mounting points, wherein the at least one housing cover comprises two fastening points, and wherein for arranging the at least one housing rear wall on a wall, two fastening means can be fastened to the wall by two of the mounting points, wherein for arranging the at least one housing cover on the housing rear wall, two further fastening means can be fastened to the wall by the two fastening points and by the two further mounting points.
  • the four mounting points in conjunction with the two fastening points ensure a reliable and secure arrangement of the housing rear wall on the support and a reliable and secure arrangement of the housing cover on the housing rear wall.
  • the mounting points are preferably arranged in the corner areas or the side areas of the housing rear wall and the fastening points are more preferably arranged in two of the corner areas or on one of the sides of the housing cover.
  • At least one of the mounting points and/or at least one of the fastening points has/have a recess for the passage of at least one fastening means.
  • the rear wall of the housing and/or the housing cover do not have to be broken through by means of the fastening means, but rather a convenient arrangement is provided in each case.
  • the respective fastening means can be guided through the recess of the corresponding mounting point and/or fastening point in a targeted manner without damaging other components or areas. This also improves the accuracy of fastening the housing to the support and the covering fastening of a fastening means by a fastening point and the associated superimposed mounting point.
  • the fastening points are arranged diagonally to one another on the at least one housing cover.
  • the diagonal arrangement of the housing cover with the housing rear wall facilitates assembly and prevents damage when fastening the housing cover to the housing rear wall.
  • the fastening points are preferably arranged on the sides or in the corners of the housing cover, whereby a maximum area is covered by the fastening. Due to the diagonal arrangement of the fastening points, two fastening points of the housing cover with the housing rear wall are usually sufficient to ensure reliable and complete fastening of the housing cover.
  • An expedient embodiment of the invention is characterized in that the at least one housing rear wall and the at least one housing cover are designed and arranged essentially congruently with one another, wherein at least one of the fastening points and at least one of the mounting points can be arranged essentially one above the other.
  • the congruent design with respect to one another enables better fastening on the one hand, and on the other hand reliable protection against (splash) water can be provided.
  • the housing cover is preferably designed and arranged essentially congruently with the housing rear wall in the area of the mounting points and the fastening points. Further preferably, recesses are provided in each of the mounting points and fastening points that lie one above the other, which provide an opening and fastening option using fastening means.
  • the at least one housing cover comprises at least two housing cover side walls, wherein at least one of the housing cover side walls is tapered in the area of the fastening points and/or the at least one mounting point and is designed to release a fastening means area in each case.
  • a housing interior is formed by the at least one housing cover in connection with the housing rear wall. The housing interior can thus be separated from the fastening points and/or the mounting points, whereby no fastening within the housing is required. This makes it easier to protect the housing interior with the (electronic) components arranged therein against external influences such as (splash) water.
  • the fastening means area being formed by the tapered section. This shortens assembly times and reduces the risk of damage during assembly, while at the same time providing convenient access to the housing interior for any maintenance.
  • a further expedient embodiment of the invention is characterized in that the at least one housing cover comprises at least one housing recess in order to arrange at least one external connection cable through the at least one housing recess on the at least one housing rear wall.
  • An external connection cable can be provided in the housing through the housing recess without creating an external recess on the housing rear wall.
  • this provides easy access to the interior of the housing for the external connection cable and, on the other hand, it protects the rear panel of the housing against dirt or (splash) water, for example.
  • the housing comprises at least one engagement cover that can be arranged on the at least one housing cover and is designed and configured for fastening to the at least one housing rear wall and/or to the at least one housing cover.
  • the at least one housing cover provides easy access to the housing interior without removing the entire housing cover.
  • An expedient embodiment of the invention is characterized in that the at least one access cover is designed and configured to close the at least one housing recess, wherein the at least one external connection cable is secured against access when the housing recess is closed.
  • the access cover is designed and configured in particular to cover at least part of the housing recess.
  • the access cover is preferably provided to cover at least one connecting element between the external and internal power supply, wherein for this purpose the at least one connecting element is designed and configured in particular as at least one lamp terminal behind the access cover on the rear wall of the housing or the at least one housing cover.
  • the access cover allows access to the connecting element for a short time if necessary, while otherwise access to it can be closed. In this way, for example, protection against (splash) water is provided and the access cover prevents unauthorized access to the connection cable.
  • At least one securing means is provided in the housing recess, which is designed and configured to securely arrange at least one external connection cable in the housing recess.
  • the securing means preferably comprises at least one rubber grommet for a cable feedthrough of the at least one external connection cable.
  • the securing means secures the housing recess against (splash) water and secures at least one external connection cable against slipping, for example under tensile loads.
  • the at least one housing rear wall is designed and set up for fastening to a support with at least one fastening means
  • the at least one housing cover is designed and set up for fastening to the at least one housing rear wall and to the support with at least one further fastening means, wherein the at least one housing cover forms and sets up a liquid spray shot for the at least one housing rear wall.
  • Additional means can preferably be present for this, such as seals or local material thickenings.
  • the at least one housing rear wall and the at least one housing cover each have an overlap region formed by at least one circumferential web, which is designed and configured to form a circumferential sealing surface between the housing rear wall and the at least one housing cover.
  • the at least one circumferential web can be made of the same material as the housing rear wall and the housing cover or, in a further preferred embodiment, can be made of another material with special sealing properties.
  • the at least one web of the housing rear wall and the housing cover is designed and configured in one piece with the base body of the housing rear wall or the housing cover.
  • the object is also achieved by the initially mentioned electric instantaneous water heater according to the invention, comprising a housing according to the invention, wherein the instantaneous water heater comprises at least two fastening means for fastening the housing to a support, in particular to a wall.
  • the electric instantaneous water heater provides a possibility for reliable, convenient and at the same time safe fastening of the instantaneous water heater to a support, and on the other hand, simple and therefore cost-effective assembly is provided.
  • the presence of the mounting points in conjunction with the fastening points in the housing according to the invention enables improved use of the enclosing interior of the instantaneous water heater, whereby a efficient use of the available space is ensured while providing an intuitive option for fastening.
  • the object is further achieved by the arrangement according to the invention mentioned at the outset, comprising a housing according to the invention and/or a continuous flow heater according to the invention fastened to a support, in particular to a wall, by means of fastening means.
  • the arrangement in particular enables a possibility for reliable, convenient and at the same time secure fastening of the continuous flow heater according to the invention to a support. Furthermore, a possibility for simple and cost-effective installation of the continuous flow heater according to the invention by means of appropriate fastening means is provided.
  • the housing 10 shown in the drawings is designed as an example as the housing 10 of a continuous flow heater 11.
  • the invention relates in the same way to comparable housings 10 which also have a component for generating hot water.
  • Fig. 1 to Fig. 5 each show schematically an embodiment of a housing 10 for an (electric) continuous flow heater 11 and an (electric) continuous flow heater 11 comprising at least one housing rear wall 12 and at least one housing cover 13, wherein the at least one housing rear wall 12 comprises at least two mounting points 14 and the at least one housing cover 13 comprises at least one fastening point 15.
  • a housing 10 according to the invention in particular a housing 10 for a continuous flow heater 11, or a continuous flow heater 11 is shown.
  • the housing 10 is shown in the drawings in the assembled
  • the housing cover 13 is shown in a perspective view in which the housing cover 13 is arranged on the housing rear wall 12.
  • the housing cover 13 exposes individual mounting points 14 and has corresponding fastening points 15.
  • the housing rear wall 12 preferably comprises the electrical and/or electronic components 20 and the cartridge 21 for generating hot water.
  • the corresponding components are arranged on the housing rear wall 12 and are at least substantially covered by the housing cover 13 when the housing 10 is assembled.
  • the fluid lines 22 can further preferably be provided by a breakthrough in a preferred side wall 23 of the housing rear wall in the housing interior 24.
  • This housing 10 is characterized according to the invention in that at least one of the mounting points 14 is designed and set up to fasten the at least one housing rear wall 12 to a support, in particular to a wall, by means of at least one fastening means 16 through the at least one mounting point 14, and that the at least one fastening point 15 is designed and set up to fasten the at least one housing cover 13 to the at least one housing rear wall 12 by means of at least one further fastening means 16, wherein the fastening means 16 can be fastened to the support by the at least one fastening point 15 and by another of the mounting points 14.
  • the housing 10 is either fastened to the support by at least one of the mounting points 14 only, or fastened to the support by the fastening point 15 of the housing cover 13 and by the mounting point 14.
  • the at least one housing rear wall 12 comprises four mounting points 14 and that the at least one housing cover 13 comprises two fastening points 15, wherein the mounting points 14 are designed and arranged for arranging the at least one housing rear wall 12 on a support by means of at least one fastening means 16, and wherein the two fastening points 15 are designed for arranging the at least one Housing cover 13 on the at least one housing rear wall 12 are designed and arranged by means of at least one further fastening means 16, wherein the further fastening means 16 can be fastened to the support by the fastening points 15 and by the further mounting points 14.
  • the Fig.1 and Fig.3 show the two fastening points 15 in connection with the mounting points 14 as well as the other two mounting points 14 of the housing rear wall 12.
  • the fastening of the housing 10 by means of the fastening means 16 is shown in detail. It is made clear here that the housing 10 is designed and set up on the one hand only for fastening the housing rear wall 12 by means of the mounting points 14 and on the other hand for fastening the housing cover 13 and the housing rear wall 12 by means of the fastening points 15 and the mounting points 14 to a support by means of fastening means 16.
  • the fastening means 16 are in the Fig.5 shown as an example as screws, which provide a connection between the support and the housing 10 as well as between the housing rear wall 12 and the housing cover 13.
  • At least one of the mounting points 14 and/or at least one of the fastening points 15 has/have a recess 17 for the passage of at least one fastening means 16.
  • the recesses 17 are in the Fig.1 , Fig.4 and Fig.5
  • each of the mounting points 14 and each of the fastening points 15 has an independent recess 17, which is designed for the passage of fastening means 16.
  • the recess 17 is shown as a perforation of the material.
  • the mounting points 14 arranged under the fastening points 15 can dispense with recesses 17, wherein the corresponding mounting points 14 are at least partially perforated during fastening by fastening means 16.
  • the fastening points 15 are arranged substantially diagonally to one another on the at least one housing cover 13.
  • the Fig.3 and Fig.5 show an example of an embodiment of the housing 10 with the diagonal arrangement of the fastening points 15 on the housing cover 13, whereby the greatest possible distance is created from one another.
  • a recess is provided to allow access to the respective mounting point 14 of the housing rear wall 12.
  • the at least one housing rear wall 12 and the at least one housing cover 13 are designed and arranged substantially congruently to one another, wherein at least one of the fastening points 14 and at least one of the mounting points 15 can be arranged substantially one above the other.
  • the congruent and superimposed arrangement is particularly evident from the Fig.1 , Fig.2 , Fig.3 and Fig.5 in which the housing 10 is formed by the covering arrangement of the housing cover 13 on the housing rear wall 12.
  • the fastening points 15 are in particular - if present - arranged essentially on the corresponding mounting points 14 in order to form the feedthrough with a single fastening means 16.
  • the at least one housing cover 13 comprises at least two housing cover side walls 18, wherein at least one of the housing cover side walls 18 is tapered in the area of the fastening points 15 and/or the at least one mounting point 14 and is designed to expose a fastening means area 19.
  • the housing cover 13 preferably has housing cover side walls 18 on each of its sides, which can be interrupted or continuous by means of openings. In the Fig.4 a section of the housing cover 13 with the fastening point 15 and the fastening means area 19 tapering through the housing cover side walls 18 is shown in detail.
  • the housing cover 13 preferably exposes a fastening means area 19 in four areas in order to provide convenient access to the mounting points 14 or the fastening points 15.
  • the fastening means area 19 has a flat housing cover section 25 which is designed and configured for arrangement on the associated mounting point 14 in order to form a fastening of the housing cover 13 on the housing rear wall 12.
  • the flat housing cover section 25 is in the Fig.4 shown in detail, wherein this further preferably has the recess 17 for the passage of a fastening means 16.
  • the at least one housing cover 13 comprises at least one housing recess 26 in order to arrange at least one external connection cable 27 through the at least one housing recess 26 on the at least one housing rear wall 12.
  • the Fig.3 and Fig.5 The embodiments of the housing 10 or the flow heater 11 shown comprise at least a housing recess 26, which is designed to pass through at least one connection cable 27, here two connection cables 27.
  • the housing 10 further preferably comprises at least one engagement cover 28 which can be arranged on the at least one housing cover 13 and which is designed and arranged for fastening to the at least one housing rear wall 12 and/or to the at least one housing cover 13.
  • the at least one engagement cover 28 is preferably provided for detachable connection to the housing cover 13, for which purpose the at least one engagement cover 28 can be connected to the housing cover 29 by means of at least one fastening means 16.
  • the at least one engagement cover 28 is designed and arranged to close the at least one housing recess 26, wherein in the closed state of the housing recess 26 the at least one external connection cable 27 is secured against access.
  • the Fig.3 shows the housing 10 with an accessible housing recess 26, while the Fig.1 which shows the housing recess 26 closed by the at least one access cover 28, whereby access to any components, such as external connection cables 27, is prevented.
  • At least one securing means 30 is provided in the housing recess 26, which is designed and configured to securely arrange at least one external connection cable 27 in the housing recess 26.
  • Two securing means 30 are shown, which are provided for the secure arrangement of the connecting cables 27.
  • the securing means 30 are in the embodiments of the Fig.3 and Fig.5 designed as a lamp terminal or as a connection terminal to provide a secure connection and a transmission source to the instantaneous water heater 11.
  • a further advantageous embodiment is characterized in that the at least one housing rear wall 12 is designed and set up for fastening with at least one fastening means 16 to a support - not shown in detail in the figures - and that the at least one housing cover 13 is designed and set up for fastening with at least one further fastening means 16 on the at least one housing rear wall 12 and on the support, wherein the at least one housing cover 13 forms and sets up a liquid spray shot for the at least one housing rear wall 12.
  • the at least one housing rear wall 12 and the at least one housing cover 13 each have an overlap region 32 formed by at least one circumferential web 31, which is used to form a circumferential sealing surface 33 between the housing rear wall 12 and the at least one housing cover 13 is designed and arranged.
  • the above-mentioned statements in connection with the housing 10 relate in the same way to the continuous flow heater 11 according to the invention for heating a liquid, comprising a housing 10 according to the invention, wherein the continuous flow heater 11 further comprises at least two fastening means 16 for fastening the housing 10 to a support, in particular to a wall.
  • the above-mentioned statements also relate to the arrangement comprising a housing 10 according to the invention and/or continuous flow heater 11 according to the invention fastened to a support, in particular to a wall, by means of fastening means 16.
  • the fastening of the continuous flow heater 11 or the housing 10 of the continuous flow heater 11 is shown in the Fig.5 shown by way of example in the exploded drawings with the corresponding fastening means 16.
  • connection points e.g. drill holes and/or dowels
  • fastening means 16 can preferably be provided for fastening the housing 10 in order to form a simplified and secure arrangement of the housing 10 or the continuous flow heater 11.

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  • 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)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
EP23158041.6A 2023-02-22 2023-02-22 Boîtier pour un chauffe-eau instantané, chauffe-eau instantané électrique ainsi que dispositif Active EP4421404B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23158041.6A EP4421404B1 (fr) 2023-02-22 2023-02-22 Boîtier pour un chauffe-eau instantané, chauffe-eau instantané électrique ainsi que dispositif

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29825031U1 (de) * 1998-05-29 2004-04-29 BSH Bosch und Siemens Hausgeräte GmbH Wandfest installiertes Haustechnikgerät
EP2226588A1 (fr) * 2009-03-07 2010-09-08 Gerdes OHG Elément de boîtier et boîtier pour un appareil d'eau chaude
DE102020214886A1 (de) * 2019-12-12 2021-06-17 Bosch Termotecnologia S.A. Gehäuse für eine Heizvorrichtung
CN215983257U (zh) * 2021-09-27 2022-03-08 宁波方太厨具有限公司 热水器箱体及包含其的燃气热水器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29825031U1 (de) * 1998-05-29 2004-04-29 BSH Bosch und Siemens Hausgeräte GmbH Wandfest installiertes Haustechnikgerät
EP2226588A1 (fr) * 2009-03-07 2010-09-08 Gerdes OHG Elément de boîtier et boîtier pour un appareil d'eau chaude
DE102020214886A1 (de) * 2019-12-12 2021-06-17 Bosch Termotecnologia S.A. Gehäuse für eine Heizvorrichtung
CN215983257U (zh) * 2021-09-27 2022-03-08 宁波方太厨具有限公司 热水器箱体及包含其的燃气热水器

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