EP4077821B1 - Aérateur - Google Patents

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Publication number
EP4077821B1
EP4077821B1 EP20838427.1A EP20838427A EP4077821B1 EP 4077821 B1 EP4077821 B1 EP 4077821B1 EP 20838427 A EP20838427 A EP 20838427A EP 4077821 B1 EP4077821 B1 EP 4077821B1
Authority
EP
European Patent Office
Prior art keywords
jet regulator
webs
outflow
jet
insert
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.)
Active
Application number
EP20838427.1A
Other languages
German (de)
English (en)
Other versions
EP4077821A1 (fr
EP4077821C0 (fr
Inventor
Gerhard Blum
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.)
Neoperl GmbH
Original Assignee
Neoperl GmbH
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 Neoperl GmbH filed Critical Neoperl GmbH
Publication of EP4077821A1 publication Critical patent/EP4077821A1/fr
Application granted granted Critical
Publication of EP4077821C0 publication Critical patent/EP4077821C0/fr
Publication of EP4077821B1 publication Critical patent/EP4077821B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E03C1/084—Jet regulators with aerating means

Definitions

  • the invention relates to a jet regulator that can be mounted on the water outlet of a sanitary outlet fitting, with the features of the preamble of claim 1.
  • Jet regulators are already known in various designs. They are mounted on the water outlet of a sanitary outlet fitting in order to form the emerging water into a homogeneous, non-splashing and, if necessary, pearly-soft outlet jet, i.e. mixed with ambient air.
  • a jet regulator of the type mentioned at the beginning has already been created, which has a cartridge-shaped jet regulator housing, which can be inserted from the inflow side up to an insertion stop into a sleeve-shaped outlet mouthpiece, which outlet mouthpiece has a connecting thread on its sleeve circumference on the inside or outside circumference, which also can be screwed to a counter thread on the water outlet of the sanitary outlet fitting (cf. DE 202 15 273 U1 ).
  • the previously known jet regulator has an attachment sieve on the inflow end face of its jet regulator housing, which has to filter out any dirt particles or limescale residues that may be carried in the inflowing water.
  • a jet splitter with splitter openings that pass through the housing divide flowing water into individual jets.
  • a negative pressure is generated on the outflow side of the jet splitter, which can be used to suck in ambient air into the interior of the housing if necessary and with a corresponding design of the jet regulator housing.
  • insert parts are inserted into the jet regulator housing, each of which has a grid or network structure made up of webs crossing each other at intersection nodes, the webs of each of these insert parts being arranged in a common plane running transversely to the flow direction.
  • the outflow-side end face of the previously known jet regulator is formed by a flow straightener with a large number of guide openings, each of which can have a larger longitudinal extent compared to the clear diameter of these guide openings.
  • a sieve plate made of a fine material is installed in the previously known jet regulator between the jet splitter and the first insert part on the inflow side Metal mesh is inserted into the jet regulator housing (see Fig. 11 - 12 in DE 202 15 273 U1 ). While the insert parts and the other components of the known jet regulator are manufactured as plastic injection molded parts, the sieve disks are elaborately braided from a thin metal wire.
  • the jet regulator according to the invention can also be mounted on the water outlet of a sanitary outlet fitting in order to form the water emerging there into a homogeneous and non-splashing outlet jet.
  • the jet regulator according to the invention has a jet regulator housing in which a jet splitter with splitter openings is provided, which has to divide the water flowing through the jet splitter into a plurality of individual jets.
  • a jet splitter with splitter openings is provided, which has to divide the water flowing through the jet splitter into a plurality of individual jets.
  • at least one insert part with a grid structure made up of two sets of parallel webs which touch each other at intersection nodes is inserted into the jet regulator housing of the jet regulator according to the invention or cut.
  • the web groups are arranged in two planes offset in the longitudinal direction of the jet regulator. Since the webs arranged in the different levels support each other, the webs provided in the individual levels can also be made comparatively thin. Since the mutually parallel webs of an inflow-side group have a round or rounded web cross-section, the outflowing water is initially well guided into the lattice structure of the at least one insert part formed by the various webs, without the homogeneity of the water emerging from the jet regulator according to the invention being affected too much .
  • the water then reaches the area of the group of webs arranged on the downstream side of this at least one insert part. Since these webs arranged on the outflow side have a flattening on their inflow side, a strong braking of the water is promoted even if these webs have a comparatively small diameter. Since these webs are rounded on their outflow side, a homogeneous exit of the water flowing through is promoted. Since the at least one insert part can also be produced, for example, as a plastic injection molded part and does not have to be made from a metal sieve even with a delicate grid structure, the production of the jet regulator according to the invention and, if necessary, later recycling of its components is possible easily and cost-effectively. Due to the homogeneous structure of the at least one insert part, the assembly of the jet regulator according to the invention and the insertion of the insert part into its jet regulator housing are also made significantly easier.
  • the flattening of the webs provided in the outflow-side group and their rounded outflow side are each over, parallel in the flow direction mutually arranged web walls are connected. Since the flattening of the webs provided in the outflow-side group on the one hand and their rounded outflow side on the other hand are connected via web walls arranged parallel to one another, the transition between the flattening of these webs and the web wall oriented in the flow direction can be made sharp-edged, which promotes the braking effect of this grid structure.
  • the web walls have a longitudinal extent in the flow direction that is larger than the diameter of the curve on the downstream side.
  • the webs that cross one another are connected to one another in one piece and if the webs are on their Crossing nodes touch each other in such a way that the flattening in the downstream group provided webs is arranged approximately in the longitudinal center plane of the webs forming the inflow-side group.
  • Such an embodiment of the jet regulator according to the invention can be produced particularly easily if the tool parting plane of the injection molding tool used to produce the at least one insert part is arranged approximately in the plane defined by the flattening.
  • the lattice structure can be easily formed in the at least one insert part, in which one of the two tool halves of the injection molding tool used forms a flat surface, while the profiles of the webs are formed by recesses in the other tool half. This has the advantage that the two tool halves no longer have to be aligned with each other with the same precision, since the problem is avoided that the two half-shells, which form the overall profile of a web, could be offset from one another transversely to the tool separation direction.
  • the lattice structure of the at least one insert part is delimited by an outer ring, and if the web ends of the webs forming this lattice structure are formed on the inner circumference of the outer ring.
  • the simple and cost-effective production of the at least one insert part used in the jet regulator according to the invention is favored if the at least one insert part is manufactured as a plastic injection-molded part.
  • the flattening of the webs provided in the outflow-side group forms a tool separating plane Production of the at least one insert part used injection molding tool defined.
  • the jet splitter is designed as a diffuser which has a pot-shaped diffuser insert, the pot bottom of which is designed as a baffle and deflection surface for the inflowing water and which is on the peripheral wall its pot shape has disassembly openings spaced apart from one another in the circumferential direction, which open into an annular gap.
  • the water flowing to this jet splitter is thus deflected on the baffle and deflection surface of the diffuser insert in the radial direction to the sides of the cup-shaped diffuser insert in order to flow there through the openings provided on the peripheral wall of the diffuser insert into the annular gap following in the direction of flow.
  • a particularly simple and advantageous embodiment according to the invention provides that the diffuser insert of the jet splitter can be inserted into a diffuser ring and that the annular gap is formed between the diffuser insert and the diffuser ring of the diffuser.
  • downstream end edge on the outer ring of the at least one insert part is arranged in the flow direction below the plane formed by the grid structure.
  • this outflow-side end edge on the outer ring of the at least one insert part is also used as a spacer compared to the insert part following in the direction of flow or other components of the jet regulator according to the invention following in the direction of flow.
  • the jet regulator according to the invention can be designed as both a ventilated and unventilated jet regulator. If the jet regulator according to the invention is to be designed as a ventilated jet regulator, it is advantageous if the jet regulator housing has at least one ventilation opening on its housing circumference in a cross-sectional plane arranged directly below the jet splitter, through which ambient air can be sucked into the interior of the jet regulator housing. In the exemplary embodiment of the jet regulator according to the invention, which is designed as a jet aerator, this ambient air is mixed with the water flowing through the jet regulator housing to form a pearly-soft outlet jet.
  • a central spacer is provided on the outflow side of the at least one insert part, the outflow side of which and preferably with the outflow end edge of the outer ring are approximately one Level arranged end face on the Grid structure of an insert part following in the direction of flow rests.
  • a jet regulator 1 is shown.
  • the jet regulator 1 can be mounted on the water outlet of a sanitary outlet fitting (not shown here) in order to form the water emerging there into a homogeneous and non-splashing outlet jet.
  • the jet regulator 1 has one for this purpose Jet regulator housing 2, in which a jet splitter 3 with splitter openings 17 is provided, which has to divide the water flowing through the jet splitter 3 into a plurality of individual jets.
  • At least one insert part 5 with a grid structure 6 made up of two sets of parallel webs 7 is in the jet regulator housing 2 of the jet regulator 1. 8 inserted, which touch or intersect each other at intersection nodes 9.
  • the jet regulator 1 shown here has two such insert parts 5, which follow one another in the flow direction Pf1.
  • the web groups formed from the webs 7, 8 are divided into two, in the longitudinal direction of the jet regulator staggered levels are arranged. Since the webs 7, 8 arranged in the different levels support each other, the webs 7, 8 provided in the individual levels can also be made comparatively thin. Since the mutually parallel webs 7 of an inflow-side group have a round or rounded web cross-section, the incoming water is initially well guided into the grid structure 6 formed by the various webs 7, 8, without the homogeneity of the water emerging from the jet regulator 1 being affected too much becomes.
  • the water then reaches the area of the group of webs 8 of the at least one insert part 5 arranged on the downstream side. Since these webs 8 arranged on the downstream side have a flattening 10 on their inflow side, the water itself then slows down significantly favored if these webs 8 have a comparatively small diameter. Since the webs 8 are rounded on their outflow side, a homogeneous exit of the water passing through is significantly promoted. Since the insert parts 5 can also be manufactured as plastic injection molded parts and do not have to be made from a metal sieve even with a delicate grid structure, the production of the jet regulator 1 and its insert parts 5 as well as later recycling of the components is easy and cost-effective.
  • the web walls 12, 13 have a longitudinal extension in the flow direction Pf1, which is larger than the diameter of the curve provided on the outflow side 11 of the webs 8.
  • the intersecting webs 7, 8 of each insert part 5 are connected to one another in one piece, with the webs 7, 8 touching each other at their crossing nodes 9 in such a way that the flattening 10 of the webs 8 provided in the outflow-side group is approximately in the longitudinal center plane of the inflow-side Flock forming webs 7 is arranged.
  • the webs 7, 8 are arranged offset from one another in the different planes, for example by half the diameter of the webs 7, and the flattening 10 is formed, for example, along a secant of an otherwise semicircular profile or cross section of the webs 8.
  • the lattice structure 6 of the insert parts 5 is delimited by an outer ring 14, the web ends of the webs 7, 8 forming this lattice structure 6 being formed on the inner circumference of the outer rings 14.
  • the flattening 10 of the webs 8 provided in the outflow-side group can also define a tool parting plane of an injection molding tool used to produce the at least one insert part 5.
  • the insert parts 5 and preferably also the other components of the jet regulator 1 are manufactured as plastic injection molded parts.
  • the jet splitter 3 of the jet regulator 1 can be designed as a perforated plate which has splitter openings and which is arranged in a plate plane oriented transversely to the flow opening Pf1.
  • the jet splitter 3 is designed as a diffuser which has a cup-shaped diffuser insert 15, the bottom of the cup of which is designed as a baffle and deflection surface 16 for the inflowing water.
  • This pot-shaped diffuser insert 15 has disassembly openings 17 spaced apart from one another in the circumferential direction on the peripheral wall of its pot shape, which open into an annular gap 18.
  • This annular gap 18 narrows in the flow direction of the water flowing through, so that a negative pressure is generated on the outflow side of this jet splitter 3.
  • the diffuser insert 15 of the jet splitter 3 is inserted into a diffuser ring 19, which delimits the annular gap 18 between itself and the diffuser insert 15.
  • downstream end edge 20 is arranged on the insert parts 5 in the flow direction Pf1 below the plane formed by the grid structure 6. This downstream end edge 20 thus forms a spacer which keeps the insert part 5 in question at a distance from the insert part 5 following in the direction of flow or another subsequent component of the jet regulator 1.
  • the jet regulator 1 can be designed as a ventilated jet regulator or so-called jet aerator, which has ventilation openings on the circumference of its jet regulator housing, through which ventilation openings the ambient air can be sucked into the interior of the jet regulator housing. This ambient air is then mixed with the water coming from the jet splitter in a mixing zone arranged on the downstream side of the jet splitter.
  • the jet regulator 1 is designed as an unvented jet regulator.
  • a central spacer 21 is provided on the outflow side of the insert parts 5, the end face of which is arranged on the outflow side and preferably in approximately one plane with the outflow end edge 20 of the outer ring 14 on the grid structure of the insert part following in the direction of flow or of a flow straightener following in the direction of flow 22 rests.
  • the lattice structures 6 of the insert parts 5 are additionally supported, especially if the lattice structure 6 of these insert parts 5 is comparatively thin and delicate.
  • the jet regulator 1 has the flow straightener 22 on its outflow side.
  • This flow straightener has a large number of guide openings 23, which have a larger longitudinal extent compared to the clear opening cross section. In these guide openings, the water swirled inside the jet regulator housing 2 is aligned and homogenized again, so that the water emerging from the jet regulator 1 can emerge as a homogeneous and non-splashing water jet.
  • a flow rate regulator 24 is inserted into the interior of the pot-shaped diffuser insert 15.
  • This flow rate regulator regulates the flow rate to a specified value regardless of pressure.
  • the flow rate regulator 24 has an annular throttle body 25 which delimits a control gap 26 between itself and at least one control profile provided on an opposite, inner or outer circumferential wall. Under the pressure of the water flowing through, the throttle body 25 made of elastic material can mold into the control profile in such a way that the control gap 26 of the flow rate regulator 24 narrows depending on the water pressure.
  • the flattening 10 provided on the outflow-side webs 8 represents a third of the radius of the overall approximately circular profile shape of these webs 8. It has been shown that with flats 10 that are arranged at a larger radius, undesirable excessive splashing of the outflowing water can be possible. In contrast, the flats 10, which are in are arranged at a smaller radius distance from the center of the webs 8, there is no significant improvement, but rather an additional mechanical weakening of the lattice structure 6 is to be feared.
  • two insert parts 5 are preferably arranged directly one behind the other in the direction of flow. It is not necessary to align the grid structures 6 of these insert parts 5 with one another or with the jet regulator housing 3. Since the lattice structures 6 of the insert parts 5 are kept at a distance by the outer ring 14 of these insert parts, a free space is formed between the lattice structures 6 of these insert parts 5, which allows the water flowing through the inflow-side lattice structure to expand and thus creates a good jet pattern can calm down.

Claims (15)

  1. Régulateur de jet (1) pouvant être monté sur l'évacuation d'eau d'un robinet d'évacuation sanitaire, avec un boîtier de régulateur de jet (2) dans lequel est prévu un brise-jet (3) qui à des orifices de dispersion (17) pour diviser l'eau passante en jets individuels et avec au moins une pièce d'insertion (5) qui présente une structure de grille constituée de deux groupes de barrettes parallèles (7 ; 8) qui se touchent ou se croisent mutuellement au niveau de noeuds de croisement (9), un des deux groupes étant un groupe du côté alimentation et les barrettes parallèles entre elles du groupe du côté alimentation présentant une section transversale de barrette ronde ou arrondie, caractérisé en ce que
    - les groupes sont disposés sur deux niveaux décalés dans la direction longitudinale du régulateur de jet et que
    - l'autre des deux groupes est un groupe du côté évacuation dont les barrettes (8) portent un méplat (10) sur leur côté alimentation et sont arrondies sur leur côté évacuation (11).
  2. Régulateur de jet (1) selon la revendication 1, caractérisé en ce que le méplat (10) des barrettes (8) prévues dans le groupe du côté évacuation et leur côté évacuation arrondi (11) sont reliés par des parois de barrette (12, 13) disposées parallèlement entre elles dans la direction d'écoulement (Pf1).
  3. Régulateur de jet (1) selon la revendication 2, caractérisé en ce que le méplat (10) des barrettes (8) prévues dans le groupe du côté évacuation forme un angle droit avec chacune des parois de barrette (12, 13) adjacentes de part et d'autre.
  4. Régulateur de jet (1) selon la revendication 2 ou 3, caractérisé en ce que les parois de barrette (12, 13) présentent dans la direction d'écoulement une extension longitudinale qui est supérieure au diamètre de la courbure prévue sur le côté évacuation (11).
  5. Régulateur de jet (1) selon une des revendications 1 à 4, caractérisé en ce que les barrettes (7, 8) se croisant mutuellement sont reliées entre elles de façon solidaire et que les barrettes (7, 8) se touchent entre elles au niveau de leurs points de croisement (9) de telle sorte que le méplat (10) des barrettes (8) prévues dans le groupe du côté évacuation est disposé sensiblement dans le plan médian longitudinal des barrettes (7) formant le groupe du côté alimentation.
  6. Régulateur de jet (1) selon une des revendications 1 à 5, caractérisé en ce que la structure de grille (6) de l'au moins une pièce d'insertion (5) est délimitée par un anneau extérieur (14) et que les extrémités de barrette des barrettes (7, 8) formant cette structure de grille (6) sont appliquées par formage sur la périphérie intérieure de l'anneau extérieur (14).
  7. Régulateur de jet (1) selon une des revendications 1 à 6, caractérisé en ce que l'au moins une pièce d'insertion (5) est fabriquée sous la forme d'une pièce moulée par injection en plastique.
  8. Régulateur de jet (1) selon la revendication 7, caractérisé en ce que le méplat (10) des barrettes (8) prévues dans le groupe du côté évacuation définissent un plan de joint d'outil d'un outil de moulage par injection utilisé pour la fabrication de l'au moins une pièce d'insertion (5).
  9. Régulateur de jet (1) selon une des revendications 1 à 8, caractérisé en ce que de préférence au moins deux de ces pièces d'insertion (5) sont montées en aval du brise-jet (3) dans la direction d'écoulement.
  10. Régulateur de jet (1) selon une des revendications 1 à 9, caractérisé en ce que le brise-jet (3) est configuré comme un diffuseur qui comporte un cache de diffuseur (15) en forme de bouchon dont le corps de bouchon fait office de surface d'impact et de déflection (16) pour l'eau affluant et qui comporte sur la paroi périphérique de sa forme de bouchon dans la direction périphérique des orifices de brise-jet (17) espacés les uns des autres, lesquels (17) débouchent dans une fente annulaire (18).
  11. Régulateur de jet (1) selon la revendication 10, caractérisé en ce que la fente annulaire (18) s'amincit dans la direction d'écoulement.
  12. Régulateur de jet (1) selon la revendication 10 ou 11, caractérisé en ce que le cache de diffuseur (15) du brise-jet (13) peut être inséré dans une bague de diffuseur (19) du diffuseur et que la fente annulaire (18) est formée entre le cache de diffuseur (15) et la bague de diffuseur (19).
  13. Régulateur de jet (1) selon la revendication 6 ou selon la revendication 6 et une des revendications 7 à 12, caractérisé en ce qu'une bordure frontale du côté évacuation sur l'anneau extérieur (14) de l'au moins une pièce d'insertion (5) est située au-dessous dans la direction d'écoulement (Pf1) du plan formé par la structure de grille (6).
  14. Régulateur de jet (1) selon une des revendications 1 à 13, caractérisé en ce que ce régulateur de jet (1) est configuré comme un régulateur de jet ventilé ou non ventilé.
  15. Régulateur de jet (1) selon la revendication 6 ou selon la revendication 6 et une des revendications 1 à 5 et 7 à 14, caractérisé en ce que du côté évacuation de l'au moins une pièce d'insertion (5) est prévu un écarteur central (21) dont la face frontale située du côté évacuation et de préférence sensiblement dans le même plan que la bordure frontale du côté évacuation (20) de l'anneau extérieur (14) repose sur la structure de grille (6) d'une pièce d'insertion (5) située derrière dans la direction d'écoulement ou d'un redresseur de flux (22) du côté évacuation.
EP20838427.1A 2019-12-19 2020-12-17 Aérateur Active EP4077821B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202019107100.1U DE202019107100U1 (de) 2019-12-19 2019-12-19 Strahlregler
PCT/EP2020/086890 WO2021123065A1 (fr) 2019-12-19 2020-12-17 Aérateur

Publications (3)

Publication Number Publication Date
EP4077821A1 EP4077821A1 (fr) 2022-10-26
EP4077821C0 EP4077821C0 (fr) 2024-02-21
EP4077821B1 true EP4077821B1 (fr) 2024-02-21

Family

ID=74141499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20838427.1A Active EP4077821B1 (fr) 2019-12-19 2020-12-17 Aérateur

Country Status (8)

Country Link
US (1) US20230023918A1 (fr)
EP (1) EP4077821B1 (fr)
CN (1) CN114829713A (fr)
AU (2) AU2020407266A1 (fr)
BR (1) BR112022010562A2 (fr)
DE (1) DE202019107100U1 (fr)
MX (1) MX2022006556A (fr)
WO (1) WO2021123065A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022106862A1 (de) 2022-03-23 2023-09-28 Neoperl Gmbh Einsetzteil für einen Strahlregler und zugehöriges Herstellungsverfahren
DE202022101528U1 (de) 2022-03-23 2023-06-26 Neoperl Gmbh Einsetzteil für einen Strahlregler

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3396246B2 (ja) * 1993-01-18 2003-04-14 株式会社ナガオカ 多層コンポジットスクリーン
EP0668951A1 (fr) * 1993-09-02 1995-08-30 Schaudt, Reiner Dispositif tamiseur pour l'obtention d'un jet d'eau mousseux
JP4793525B2 (ja) * 2001-03-21 2011-10-12 Ｔｏｔｏ株式会社 泡沫吐水装置
DE20215273U1 (de) * 2002-10-04 2004-02-26 Dieter Wildfang Gmbh Sanitäres Einbauteil
ITMN20040015A1 (it) * 2004-07-13 2004-10-13 Bpa Srl Regolatore di flusso
DE102005062855B4 (de) * 2005-12-23 2007-10-25 Brita Gmbh Gitterstruktur, Verwendung der Gitterstruktur und Behälter mit Gitterstruktur
DE102006062986B3 (de) * 2006-09-28 2015-09-10 Neoperl Gmbh Sanitäre Auslaufarmatur mit einem Strahlregler
CN102359154B (zh) * 2011-08-04 2013-03-27 厦门松霖科技有限公司 气水混合起泡器
DE202015001886U1 (de) * 2015-03-09 2016-06-10 Neoperl Gmbh Sanitäre Einsetzeinheit
DE202015006618U1 (de) * 2015-09-18 2016-12-21 Neoperl Gmbh Strahlregler
ITUB20154198A1 (it) * 2015-10-07 2017-04-07 Amfag Srl Cartuccia di aeratore provvista di sistema di tenuta periferica migliorato, rubinetto dotato di detta cartuccia di aeratore e metodo di montaggio per detta cartuccia di aeratore

Also Published As

Publication number Publication date
EP4077821A1 (fr) 2022-10-26
AU2022100177A4 (en) 2023-01-05
EP4077821C0 (fr) 2024-02-21
CN114829713A (zh) 2022-07-29
US20230023918A1 (en) 2023-01-26
DE202019107100U1 (de) 2021-03-22
WO2021123065A1 (fr) 2021-06-24
AU2020407266A1 (en) 2022-08-04
MX2022006556A (es) 2022-07-01
BR112022010562A2 (pt) 2022-08-23

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