Classifications

• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
  • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
  • E03C1/02—Plumbing installations for fresh water
  • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices

Definitions

• the invention relates to a jet regulator with a jet splitting device, which is followed by a jet regulating device in the flow direction, which jet regulating device has a plurality of baffles arranged transversely to the flow direction in the flow path.
• a jet regulator of the type mentioned which has a jet splitting device with a perforated plate, which has a number of flow holes for generating individual jets.
• An air intake device and a jet regulating device, which has a plurality of jet regulating sieves, are connected downstream of the perforated plate of this known jet regulator.
• These jet regulating screens each form a baffle arranged transversely to the direction of flow in the flow path.
• jet regulators are also required to keep calcification, especially on the jet regulating screens sensitive to them, small.
• the perforated plate is therefore designed in such a way that it promotes good jet division and the jet regulating screens can accordingly be designed in a coarse mesh.
• the risk of clogging and calcification by the water flowing through them is comparatively low.
• the regulating screens are usually made of metal, while the jet separating device is also designed as a multi-part plastic part.
• the perforated plate serving as the jet separation device can only be detached be attached to the jet regulator housing so that the jet regulating sieves can be inserted into the interior of the housing before the perforated plate is inserted and placed on an inner ring flange arranged downstream of the perforated plate in the flow direction.
• the multi-part design of the known jet regulator and its manufacture from different materials involves a not inconsiderable effort.
• the known jet regulator which consists of different materials, cannot be disposed of easily.
• the impact bodies are designed in the form of pins or rings and are spaced apart from one another with at least one holding part are connected that the at least one holding part with its integrally molded impact bodies is designed as a plastic injection molded part and that the at least one holding part can be used in a jet regulator housing or is designed as a jet regulator housing.
• pin-shaped or ring-shaped impact bodies are provided, which are connected in one piece to at least one holding part.
• the at least one holding part with its molded-on impact bodies is designed as a plastic injection molded part.
• This jet regulating device makes conventional jet regulating sieves unnecessary, at least in large numbers, as a result of which the production outlay can be significantly reduced. Since the impact body is integrally formed on the at least one holding part and since the holding part can be inserted into a jet regulator housing or is itself designed as a jet regulator housing, the low manufacturing outlay is further favored.
• Plastic injection molded parts of this type, the pin or ring-shaped impact bodies of which are molded onto at least one holding part, are particularly simple and inexpensive to produce, since there is no need for subsequent laborious assembly of metal jet regulating screens.
• the entire jet regulator can be produced from only one material and can accordingly be disposed of in a simple manner or can also be recycled for the plastic material.
• the jet regulating device consisting of the baffle bodies oriented transversely to the direction of flow and shaped like a pin or ring is less prone to calcification, as is the case with conventional jet regulating screens, especially at the intersection points of the grid structure of the individual screens. With the oriented transversely to the flow direction and in Flow direction and / or impact bodies spaced apart from one another in the circumferential direction can nevertheless achieve sufficient jet regulation even at high liter capacities in order to ensure noise generation in accordance with the standards.
• a particularly simple and easily producible embodiment according to the invention provides that the impact bodies are designed as impact body pins.
• the impact body pins can be spaced apart from one another in an outflow-side pin position in such a way that calcification which has an adverse effect on the function is avoided and a water layer which closes the jet regulator can form, with which an air seal preventing the calcification also on the upstream pin positions.
• the impact body pins of adjacent pin layers are each arranged transversely, preferably approximately at right angles to one another.
• Such a jet regulating device in which the impact body pins of at least two adjacent pin layers are each arranged transversely to one another, practically has a grid-like structure in a plan view, without the calcification usual with conventional jet regulating sieves.
• Controlled and even beam regulation is favored if the distance between adjacent pins in a pin position is approximately the same.
• the simple design of the jet regulator according to the invention and its low manufacturing expenditure is favored if the impact bodies are connected to a central holding part, which holding part is preferably arranged approximately coaxially to the longitudinal axis of the jet regulator.
• An embodiment according to the invention provides that the impact body pins are arranged approximately radially to the longitudinal axis of the jet regulator.
• the impact body pins can protrude radially outwards on a central holding part.
• the impact body pins In order to be able to arrange the impact body pins in a rust-like manner next to one another in at least one pin plane oriented transversely to the flow direction, it can be advantageous if the impact body pins, which are arranged approximately parallel to one another, are each connected in one piece to the holding part via at least one common support arm .
• the impactor pins of at least two adjacent pin layers can be arranged approximately unidirectionally or can be oriented transversely to one another.
• the sleeve-shaped jet regulator housing is composed of at least two sleeve parts and that the impact body pins are integrally connected to a sleeve part wall section of at least one sleeve part serving as a holding part.
• Plastic injection-molded parts of this type which already have the pins serving as a jet regulating device on a sleeve part wall section of at least one sleeve part serving as a holding part, are particularly easy and inexpensive to manufacture.
• the pins can be arranged approximately parallel to one another or also essentially radially to the longitudinal axis of the jet regulator.
• a preferred embodiment according to the invention provides that the pins are formed by pin sections which are assigned to one another and that the sleeve parts which preferably form space sectors each have pin sections .
• a preferred embodiment according to the invention is that in particular two, preferably in a longitudinal central region of the jet regulating device, advantageously forming cylinder sectors Holding parts are provided, the pin sections of which are preferably aligned with one another in the installed position.
• the two sleeves form spatial cylinder sectors which have corresponding pin sections on their sleeve wall sections, so that simply by joining these two together Sleeve parts of the aerator are largely completed.
• only one of the sleeve parts forming the cylinder sectors is designed as a holding part with the molded-on impact body pins, and that at least one further sleeve part forms the cylinder sector which is missing to form a sleeve-shaped jet regulator housing.
• connecting means for holding in the closed assembly position are provided in a separation area of the sleeve parts, which are in particular designed as holding parts.
• connection means on the sleeve parts which are in particular designed as holding parts, in particular designed as holding parts, with preferably complementary, interlocking connecting parts.
• an ultrasonic welded connection can also be provided as the connecting means for connecting the sleeve parts in the closed assembly position.
• a further development according to the invention of its own worthy of protection provides that adjacent sleeve parts are pivotally connected to one another by means of a film hinge (s) in the region of generatrix lines approximately parallel to the longitudinal axis of the jet regulator.
• the film hinges provided between the adjacent sleeve parts enable a particularly cost-effective, practically one-piece production of the jet regulator according to the invention and ensure simple, positionally correct assembly of this jet regulator from the individual sleeve parts. It is also possible to assemble the jet regulator in the correct position if it consists of more than two sleeve parts, each forming a cylinder sector. These sleeve parts only have to be bent around the pivot axis specified by the film hinges in order to bring these spatial sectors into the correct mounting position.
• the impact body pins are arranged radially, they can protrude outwards on a central holding part.
• the holding part is formed before insertion into the jet regulator housing as a band-shaped flat part with integrally molded, web-like, preferably protruding bodies projecting at right angles to the flat part plane. If the band-shaped flat part is bent approximately circularly, the flat part on the inside becomes pin protruding protruding body brought into a radial arrangement.
• the holding part consists of resilient material and its flat shape can be inserted into a jet regulator housing under resilient prestress. So that the arrangement of the holding part in the jet regulator housing is ensured even at high water pressures, it is advantageous if the holding part can be inserted into the interior of the housing, in particular from the upstream end of the jet regulator housing, up to a support stop formed, for example, as an inner ring flange.
• the impact body pins which are spaced apart from one another in the flow direction, are offset from one another in the circumferential direction with a gap. It is advantageous if at least two adjacent pin positions have impact body pins laterally offset transversely to the flow direction and if the impact body pins of a downstream pin position are arranged in the flow path formed by the pins of an upstream adjacent pin position.
• the distance from adjacent pin layers arranged on the inflow side is smaller than the distance from adjacent pin layers arranged downstream and if the pin layer located on the outlet side has impact body pins at a distance from one another and from impact body pins of the adjacent pin position of preferably more than 0 , 8 mm.
• the impact bodies are designed as impact body rings, which are preferably arranged approximately concentrically to the jet regulator longitudinal axis and are in particular spaced apart from one another in the direction of flow. While the free pin ends of the impact body pins can be caused to vibrate unintentionally under the water pressure, impact body rings are insensitive to such, possibly noise-generating vibrations.
• the impact body rings are each connected to the central holding part via preferably radial support or impact body pins.
• the ring-shaped or pin-shaped impact bodies have a rounded or the like flow-favorable cross-sectional profile and preferably a circular or oval, drop-shaped or the like elongated cross-section oriented with their longer cross-sectional extent in the flow direction. have a profile.
• pin positions can expediently be provided, in particular two to ten, preferably six, pin positions.
• connection area of the support or impact body pins or pin sections with the holding part in particular through Supporting ribs or similar formings are provided. These supports counteract a deflection of the pins or pin sections even at high liter capacities and thus ensure that the support or impact body pins and pin positions are positioned correctly in relation to each other.
• the jet regulating device is preceded by a jet splitting device with a jet splitting plate and if the jet splitting plate is preferably connected in one piece to the housing wall of one of the sleeve parts.
• the one-piece connection of the jet disassembly plate to one of the sleeve parts simultaneously favors the positional and functional arrangement of the jet disassembly plate with respect to the impact body pins or impact body rings of the jet regulating device connected downstream in the flow direction.
• a particularly effective jet regulation can be achieved if the jet separating plate has flow holes which are arranged approximately flush with the pin-shaped or ring-shaped impact bodies in the direction of flow.
• a further development according to the invention provides that the flow holes in the jet separating plate are conically constricting in the flow direction and preferably have an inlet radius or inlet cone on the inflow side. This inlet radius or inlet cone counteracts an undesirable stall.
• the conically narrowing design of the flow holes in the jet disassembly plate favors a clear, sharp water jet, the speed of which is reduced in the area of the impact body and which can be particularly easily enriched with air.
• An effective and compact configuration of the jet regulating device is favored if the impact body pins are used the first pin position on the inflow side are arranged approximately in the direction of escape to the hole axes of the flow holes in the jet disassembly plate.
• the functionally correct operation of the jet regulator according to the invention can possibly still be favored if an upstream screen and / or a flow rate controller is connected upstream of the jet regulating device or before the jet splitting device.
• the essentially radially arranged impact body pins can either be aligned in pin planes spaced apart from one another or — like a helix — can be arranged in a helical manner to one another.
• Fig. 1 shows a jet regulator in a partial longitudinal section
• the sleeve-shaped housing is composed of two sleeve parts connected by a film hinge
• FIG. 2 shows the jet regulator from FIG. 1 in a partially cross-sectional top view
• Jet regulator with a jet regulating device which consists of several pin positions, which pin positions each have impact body pins arranged parallel to one another,
• FIG. 4 shows the jet regulator from FIG. 3 in a cross-sectional illustration
• FIG. 5 shows the jet regulating device of a jet regulator, which is designed as an insert and is formed from a plurality of cylinder sectors, in a top view of an exploded assembly position (FIG. 5a), in a partial
• FIG. 6 shows a jet regulator in a partial longitudinal section, the jet regulating device of which has a plurality of impact body pins which are offset from one another with a gap, the impact body pins projecting radially from a central holding part,
• FIG. 7 shows the jet regulator from FIG. 6 in a cross-sectional view.
• Fig. 8 is a jet regulator shown in a partial longitudinal section, in which the impact body pins on one protruding radially inward as a flexible flat part,
• FIG. 9 shows the jet regulator from FIG. 8 in a cross-sectional view
• FIG. 10 shows a jet regulator in a partial longitudinal section, the jet regulating device of which has baffle rings arranged concentrically and at a distance from one another, and
• FIG. 11 shows the jet regulator from FIG. 10 in a partially sectioned top view.
• jet regulator 1 1 to 11 different designs of a jet regulator 1, 103, 106, 108 and 110 are shown, which jet regulators can be used in the outlet mouthpiece of a sanitary outlet fitting (not shown here) and for generating a water-saving, homogeneous, soft and non-splashing overall jet serve.
• the jet regulators 1, 103, 106, 108 and 110 shown here have a jet splitting device 5, which is followed by a jet regulating device 8 in the flow direction Pfl.
• These jet regulating devices 8 have a plurality of pin-shaped or ring-shaped impact bodies 9, 23 which are arranged in the flow path and transversely to the flow direction Pfl thereof.
• the impact bodies 9, 23 are spaced apart from one another in the flow direction Pfl and are connected in one piece with at least one holding part 3, 4, 19, 20, which is formed with its molded-on impact bodies 9, 23 as a plastic injection-molded part.
• the holding part 3, 4, 19, 20 of the jet regulator designs shown here can either be inserted into a jet regulator housing 2 or designed as a jet regulator housing.
• the jet regulating devices 8 of the jet regulators 1, 103, 105, 106 and 108 shown in FIGS. 1 to 9 have several pin layers with impact body pins 9 spaced apart from one another in the flow direction Pfl, which are arranged in a plane oriented transversely to the flow direction.
• the impactor pins 9 of the individual pin positions in the jet regulators 1, 103, 105 shown in FIGS. 1 to 5 are arranged in a rust-like manner parallel to one another, while the impactor pins 9 of the jet regulators 106, 108 shown in FIGS. 6 to 9 are approximately radial are oriented to the jet regulator longitudinal axis.
• the jet regulators 1, 103, 105, 106, 108 and 110 shown here can be produced inexpensively from a few individual parts with little effort.
• the jet regulating device 8, which is designed as a plastic injection-molded part, is easy to assemble, without the need for complex insertion of conventional jet regulating sieves. Due to the arrangement of the baffle bodies 9, 23, which are spaced in the direction of flow and in the circumferential direction, a significantly lower calcification of the jet regulating device 8 is to be expected, as would otherwise occur in conventional jet regulating screens, especially at the crossing points of the grid structure of the individual screens. With the baffle bodies 9, 23 oriented transversely to the flow direction Pfl, a high jet regulation can nevertheless be achieved even in the case of high liter outputs in order to ensure noise generation in accordance with the standards.
• the jet regulator 1 shown in FIGS. 1 and 2 has a sleeve-shaped housing 2, which is composed of two sleeve parts.
• the jet regulator 1 can be inserted into an outlet mouthpiece, not shown here, which can be mounted on a sanitary outlet fitting.
• the jet regulator 1 has a jet splitting device 5, which has a jet cutting plate 6.
• the jet separation plate 6 is designed as a perforated plate which has flow holes 7 oriented in the direction of flow.
• the jet splitting device 5 is followed by a jet regulating device 8 in the flow direction Pfl, which consists of a plurality of unidirectional impactor webs or impactor pins 9 which run approximately at right angles to the flow direction Pfl.
• These impact body pins 9 are connected in one piece to the sleeve part wall section of at least one sleeve part serving as holding part 3, 4.
• the impact body pins 9 are provided on both sleeve parts of the jet regulator housing 2 serving as holding parts 3, 4.
• the holding parts 3, 4 each have impact body pins 9 which are assigned to one another in pairs and are arranged approximately coaxially to one another. Since the free ends of the mutually associated impact body pins 9 are spaced apart from one another to form a central passage channel 29, the simple installation of the jet regulator 1 is additionally favored.
• the sleeve parts of the jet regulator housing designed as holding parts 3, 4 form spatial cylinder sectors, so that the jet regulator 1 can be assembled and largely completed by simple, positionally correct joining of the sleeve parts serving as holding parts 3, 4.
• the free ends of the impact body pins 9 provided on the holding parts 3, 4 are slightly spaced from one another, it is also possible in an embodiment not shown here for the impact body pins of the jet regulating device are formed by pin sections which are assigned to one another and are in alignment with one another, the sleeve parts of the jet regulator housing also serving as holding parts here being provided with one of the pin sections of a pin section. Pair are connected in one piece.
• the holding parts 3, 4 are integrally connected to one another on film hinges 12.
• the jet regulator 1 can be assembled precisely in the desired position.
• connecting means are provided which hold the jet regulator 1 in its closed assembly position.
• a locking and / or snap connection is provided here as the connecting means, which consists of complementary, interlocking connecting parts 13, 14 on the opposite sides of the holding parts 3, 4 in the assembly position.
• the holding parts 3, 4 could also be glued or connected to one another, for example, by an ultrasonic welded connection.
• the sleeve parts are formed separately from one another and can be completed by joining and inserting them into a discharge mouthpiece to form a jet regulator housing.
• the high stability of the impact body pins 9 is further favored if supports are provided in the connection area of the impact body pins 9 with the holding part by means of support ribs (not shown here) or similar shaped parts on the holding part side.
• the jet splitting plate 6 of the jet splitting device 5 is integral with the housing wall of the one serving as the holding part 3 Connected sleeve part.
• This on the holding part 3 integrally molded jet splitting plate 6 thus forms a precisely shaped upstream end of the jet regulator 1, on which to support and ensure the functional operation of the water-saving jet regulator 1, a flow sieve 15 connected upstream in the flow direction and / or also a flow limiter or flow rate regulator (not shown here) is preferred can be releasably attached.
• the sleeve parts of the jet regulator 1 are inexpensive to produce as plastic injection molded parts. Due to the one-piece connection of the sleeve parts serving as holding parts 3, 4, these can also be assembled with little effort. Since the jet regulator 1 consists of only one material, it can be disposed of particularly easily or recycled into its plastic material.
• the flow holes 7 in the jet separation plate 6 - as shown in FIG. 1 - are conically constricting in the flow direction Pfl and have a funnel-shaped inlet cone on the inflow side.
• those of the inflow-side first pin position are arranged approximately in the direction of escape to the hole axes of the flow holes 7 in the jet disassembly plate 6.
• the impact body pins 9 of the subsequent second and third pin positions are arranged such that the impact body pins 9 of a pin position arranged downstream lie in the flow path formed by the impact body pins 9 of an adjacent pin position upstream. In this way, an effective division of the individual jets generated in the jet splitting plate 6 is achieved, which thus mix particularly well with the air sucked in via the air inlet openings 16 provided in the housing wall to let .
• the impact body pins 3 of the third, fourth and fifth pin positions are arranged one below the other in the flow direction Pfl and thus favor the bundling of the individual jets into a hardly scattering total jet at the flow exit end 17 of the jet regulator 1.
• This bundling of the individual jets into a concentric total jet is achieved by a housing constriction 18 provided at the flow outlet end 17 of the jet regulator housing 2 and rounded on the inflow side is additionally supported.
• the impact body pins 9 are each arranged in a pin position approximately at an equal distance from one another.
• Fig. 1 it is shown that the distance from the upstream pin positions is smaller than the distance from downstream adjacent pin layers.
• the pin layer arranged on the outlet side has impact body pins 9 which are at a distance of preferably more than 0.8 mm from one another and from the impact body pins 9 of the adjacent fifth pin position.
• the comparatively far-apart impact body pins 9 of the sixth pin position arranged downstream are thus spaced apart from one another in such a way that calcification which has an adverse effect on the function is avoided and possibly residual water remains which forms a water layer which closes the jet regulator 1.
• This layer of water stuck to the sixth layer of the pin creates an air seal that prevents calcification even in the upstream pin positions.
• the jet regulating device 8 of the jet regulator 1 with its pin positions oriented approximately at right angles to the direction of flow, hardly has any tendency to calcify anyway, since this jet regulating device 8 can dispense with otherwise customary jet regulating screens, particularly at the crossing points calcify slightly of their grid structure and lead to malfunctions.
• the jet regulator 1 shown in FIGS. 1 and 2 is characterized by a noise generation that conforms to the standards even at high liter outputs.
• An undesirably high level of noise is additionally counteracted if the impact body pins 9 have a rounded or the like streamlined cross-sectional profile.
• the impact body pins 9 of the first two pin layers on the inflow side have a cross-sectional profile oriented with their longer cross-sectional extent in the flow direction Pfl, which also withstands high water pressures well.
• the impact body pins 9 of the jet regulator 1 shown in FIGS. 1 and 2 are molded onto the sleeve parts of the jet regulator housing that serve as holding parts 3, 4, the impact body pins 9 are over in the jet controller 103 shown in FIGS. 3 and 4 radial traverse arms 22 connected to a central holding part 20.
• This holding part 20 is held approximately in the center on the downstream flat side of the jet disassembly plate 6 and is preferably connected in one piece to the jet disassembly plate.
• the perforated plate 6 and the holding part 20 can thus be inserted from the upstream end into a separate jet regulator housing 2 up to an inner support stop.
• the jet regulator 103 consists only of two individual parts, which in particular are produced as plastic injection molded parts with little effort and can be easily assembled with one another.
• the impact body pins 9 are oriented in a rust-like manner parallel to one another in the individual pin positions.
• the impact body pins 9 of adjacent pin positions are arranged approximately at right angles to one another, whereby the arrangement of the impact body pins 9 shown in FIG. 4 results from one another.
• This grid structure of the impact body pins 9 allows the flow velocity to be braked effectively and promotes good jet regulation and air mixing in the jet regulator 103.
• a jet regulator 105 which is otherwise not shown further, can also be divided by separating planes oriented transversely to the flow direction and provided between the individual pin positions.
• Each sleeve section of the jet regulating device 8 each receiving a pin position, has two sleeve parts forming cylinder sectors, which each serve as holding parts 3, 4 for the impact body pins formed thereon.
• the mutually assigned sleeve parts are offset in the circumferential direction with one of the sleeve parts of an adjacent housing section, so that the jet regulating device 8 according to FIG. 5 can also be produced in one piece.
• the jet regulating device 8 can be brought into its functional position by simply folding in the arrow direction Pf2 and joining together the holding parts 3, 4 which are assigned to one another and connected to one another via a film hinge 12, in which the impact body pins 9 have the lattice structure shown in FIGS. 5b and 5c form.
• the impact body pins 9 formed on the mutually associated holding parts 3, 4 of each pin position are arranged coaxially with one another, the free pin ends of these pin pairs being slightly spaced apart from one another.
• the holding parts 3, 4, which are assigned to one another in pairs, are each connected in the flow direction to the adjacent pair of holding parts 3, 4 in the region of an articulated hinge 12. After these holding parts 3, 4, which are integrally connected to one another, are folded in and joined together, the essentially sleeve-shaped jet regulating device 8 with its outer wall section form a housing section of the jet regulator housing.
• FIGS. 6 and 7 show a jet regulator 106, the jet regulator 8 of which has radially arranged impact body pins 9.
• These impact body pins 9 are directly connected in one piece to a central holding part 20 which is integrally formed on the perforated plate 6 of the jet splitting device 5 on the outflow side.
• the impact body pins 9 protrude radially outward from the holding part 20 and are slightly spaced apart by their free end from the inner wall of the jet regulator housing.
• the rod-shaped holding part 20 is - similar to that in Figures 3 and 4 - approximately coaxial to
• Jet regulator longitudinal axis arranged and can be molded with the
• the jet separating plate 6 can be inserted into the jet regulator housing 2 from the upstream end side up to a support stop.
• FIGS. 6 and 7 several of the radial impact body pins 9 are each arranged in a plurality of pin positions spaced apart from one another in the flow direction Pfl. Instead of in such pin planes, at least some of the impact body pins 9 can engage the holding part 20 in an approximately helical manner. It is advantageous if the impact body pins 9 - as shown - are offset from one another with a gap.
• a jet regulator 108 is shown in FIGS. 8 and 9, in which the holding part 19 is designed as a band-shaped flat part.
• the pin-like impact bodies 9 are integrally formed on the inside of the band-shaped flat part 19 and protrude at right angles to the flat part plane.
• the impact body pins 9 can be brought into their functional position shown in FIGS. 8 and 9, and the holding part 19 with the molded impact body pins 9 can be formed to a downstream and flange-like configuration Support stop from the inflow side can be inserted into the aerator housing 2. So that the holding part 19 is held securely in the jet regulator housing 2 and lies flat against the inside of the housing, it is advantageous if the holding part 19 consists of resilient material and its flat shape can be inserted into the jet regulator housing 2 under spring elastic prestress.
• the impact body pins 9 formed on the band-shaped flat part 19 can also be arranged in groups in several pin positions. But it is also possible that the impact body pins 9 are arranged helically to one another in the functional position.
• the impact body pins 9 projecting radially inwards on the flat holding part 19 limit a central throughflow channel 29 with their free ends.
• the jet regulators 1, 103, 105, 106 and 108 shown in FIGS. 1 to 9 have pin-shaped impact body pins 9.
• at least some of the required impact bodies can also have an annular design.
• a jet regulator 110 is shown in FIGS. 10 and 11, the jet regulator 8 of which has a plurality of impact body rings 23 spaced apart in the flow direction. These impact body rings 23 are connected in one piece to a central holding part 20 via radial support arms 22.
• the inflow-side flow holes 7 of the upstream jet splitting device 5 are arranged essentially on concentric circles in the flow direction, approximately flush with the annular impact bodies 23.
• the support arms 22 can also serve as impact bodies if they are approximately in the direction of escape of those in the jet disassembly plate 6 arranged flow holes 7 are.
• the jet regulating device 8 of the jet regulators 106 and 110 also has a perforated plate 25 on the outlet side, which has at least in one part of its plate plane oriented transversely to the flow direction a plurality of flow holes 26 in at least a partial area formed as a perforated field.
• the perforated plate 25 is comparatively narrow and dimensioned such that the ratio between the height of the guide walls and the overall diameter of the jet regulating device 8 is less than 1.
• a ratio between the height of the guide walls and the overall diameter of the jet regulating device is preferred, which is less than 3:21.
• the individual jets coming from the jet splitting device 5 can be combined to form a homogeneous, soft overall jet. While conventional jet regulating sieves can guide the incoming individual jets at most over the thickness of their wire diameter, the flow holes 26 in the jet regulating device 8 of the jet regulator 106, 110 with their guide walls 27 have a greater longitudinal extension, so that the individual water jets can be shaped better due to the longer acting adhesive forces. At the same time, however, those are provided in the perforated plate of the jet regulating device
• Guide walls 27 are not higher than the overall diameter of the jet regulating device, which promotes the formation of a sparkling-soft overall jet. Since the flow holes 26 only through the thin at the same time Guide walls 27 are separated from one another and are correspondingly close to one another, the individual jets unite after passing through the jet regulating device 8 to form a bubbly, homogeneous and only slightly scattering overall jet.
• the perforated plate 25 of this jet regulating device 8 can also be produced inexpensively as an injection molded or extruded part made of plastic or any other suitable material. Due to their homogeneous structure, the perforated plate 25 of the jet regulators 106, 110 shown in FIGS. 6 and 10 also tends to be less calcified or contaminated by the ingredients carried in the water, which significantly improves the functional reliability of these jet regulators 106, 110.
• the perforated plate 25 has as many flow holes 26 as possible.
• the flow holes 26 of the perforated plate 25 can have a round, rounded, segment-like or angular, in particular a hexagonal flow cross section.
• the flow-through holes 26 of the perforated plates 25 form a honeycomb-like perforated field which is able to shape the water jet particularly well, without at the same time opposing it with a disturbing flow resistance.
• the end of the central holding part 20 facing away from the beam splitting device 5 is centered in the jet regulator housing.
• the central holding part 20 of the jet regulator 106, 110 shown in FIGS. 6 and 10 has a protruding centering pin 28 at its end facing away from the jet splitting device 5, which pin is located in an approximately central centering opening of the perforated plate 25 provided on the outflow side of the jet regulator housing the jet regulating device 8 is used.
• the perforated plates 25 of the jet regulating device 8 are inserted into the interior of the jet regulator housing 2 from the inflow side.
• the jet regulators 106 and 110 have a housing constriction 18 at the flow exit end of their jet regulator housing 2 behind the jet regulating device 8 for beam bundling.

Landscapes

• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Nozzles (AREA)
• Percussion Or Vibration Massage (AREA)
• Jet Pumps And Other Pumps (AREA)
• Surgical Instruments (AREA)
• Fuel-Injection Apparatus (AREA)
• Domestic Plumbing Installations (AREA)
• Air-Flow Control Members (AREA)

Applications Claiming Priority (5)

Publications (2)

Family

ID=26030274

Family Applications (1)

Country Status (10)

Families Citing this family (28)

Family Cites Families (11)

• 1997
  • 1997-10-10 WO PCT/EP1997/005594 patent/WO1998016695A1/fr active IP Right Grant
  • 1997-10-10 BR BR9713481-3A patent/BR9713481A/pt not_active IP Right Cessation
  • 1997-10-10 AU AU48665/97A patent/AU712806B2/en not_active Ceased
  • 1997-10-10 EP EP97911209A patent/EP0931199B1/fr not_active Expired - Lifetime
  • 1997-10-10 ES ES97911209T patent/ES2188914T3/es not_active Expired - Lifetime
  • 1997-10-10 JP JP51799598A patent/JP4201351B2/ja not_active Expired - Fee Related
  • 1997-10-10 DK DK97911209T patent/DK0931199T3/da active
  • 1997-10-10 AT AT97911209T patent/ATE230052T1/de active
  • 1997-10-10 DE DE29718728U patent/DE29718728U1/de not_active Expired - Lifetime
• 1999
  • 1999-04-12 US US09/291,155 patent/US6152182A/en not_active Expired - Lifetime

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events