EP3527481B1 - Valve system for ventilatory support and mouthpiece system for ventilatory support - Google Patents

Valve system for ventilatory support and mouthpiece system for ventilatory support Download PDF

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Publication number
EP3527481B1
EP3527481B1 EP19166746.8A EP19166746A EP3527481B1 EP 3527481 B1 EP3527481 B1 EP 3527481B1 EP 19166746 A EP19166746 A EP 19166746A EP 3527481 B1 EP3527481 B1 EP 3527481B1
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EP
European Patent Office
Prior art keywords
mouthpiece
section
angle
openings
opening
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EP19166746.8A
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German (de)
French (fr)
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EP3527481A2 (en
EP3527481A3 (en
Inventor
Matthias Ocklenburg
Jan VON HOFACKER
Andreas Neugebauer
Reinhard Misterek
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Ameo Sports GmbH
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Ameo Sports GmbH
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Publication of EP3527481A2 publication Critical patent/EP3527481A2/en
Publication of EP3527481A3 publication Critical patent/EP3527481A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/186—Mouthpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/20—Air supply from water surface
    • B63C11/205—Air supply from water surface with air supply by suction from diver, e.g. snorkels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C2011/182—Air supply comprising devices for discharge of exhalation air into ambient water, e.g. ducts to back of head

Definitions

  • the invention relates to a mouthpiece system for a breathing aid according to claim 1.
  • Mouthpiece systems or mouthpieces for breathing aids for swimmers are also known from the prior art, the mouthpiece systems so far being designed in such a way that, for example, the exhaled air rises like bubbles in front of the swimmer's eyes. This leads to impairments in swimming. In addition, a corresponding resistance for the swimmer can also be felt when exhaling. Furthermore, previously known mouthpiece systems have the disadvantage that they cannot be used to perform roll turns. So far, water has entered known mouthpiece systems in such roll turns.
  • CN 203 497 157 U In connection with FIG. 5, a type of extension is disclosed which has a plurality of openings. The openings are individual material recesses. When using the in CN 203 497 157 U The extension shown is to be expected when performing roll turns with the penetration of water into the extension and thus into the mouthpiece system. Furthermore, the in CN 203 497 157 U Exhalation resistance to be overcome during a roll turn is very high.
  • U.S. 3,415,245 A1 will, as is particularly the case in the Fig. 2 and FIG. 6 discloses a mouthpiece system with a special construction. Specifically, an arrangement of several pin-like elements is disclosed. According to this mouthpiece design, exhaled air must first flow to the left at a 90 ° angle in order to then be able to exit the openings of the mouthpiece system in a straight line. This mouthpiece system is therefore associated with an extremely high exhalation resistance.
  • the object of the present invention is to further develop a mouthpiece system for a breathing aid for swimmers in such a way that that roll reversals can be carried out.
  • the mouthpiece system is to be developed in such a way that blown air is no longer whirled up in front of the head, in particular the eyes, of a swimmer.
  • this object is achieved with regard to the mouthpiece system for a breathing aid by the subject matter of claim 1.
  • the invention relates to a mouthpiece system for a breathing aid for swimmers, comprising a mouthpiece, a system housing, an exhalation valve and an air outlet opening, the air outlet opening being covered with a diffuser extension comprising a diffuser plate and the diffuser plate having a plurality of openings.
  • a mouthpiece typically has a bite guard or tooth support plate. At least the upper lip of a shimmer is preferably sealed by means of a sealing pad of the mouthpiece.
  • the system housing is used on the one hand to attach the mouthpiece and also includes the exhalation valve.
  • the exhalation valve can be a flutter valve, for example.
  • the system housing of the mouthpiece system is preferably used to accommodate an end of the snorkel tube.
  • an air outlet opening is formed within the system housing, this opening being covered with a diffuser extension.
  • the diffuser extension comprises a diffuser plate, which in turn has a multiplicity of round and / or oval and / or elliptical openings. In other words, a hole pattern is formed on the diffuser plate.
  • the mouthpiece can be firmly locked on the system housing.
  • the mouthpiece is interchangeably locked on the system housing, so that the mouthpiece can be exchanged after it has been worn accordingly.
  • the mouthpiece can when in use can be exchanged in a hygienic manner by several people, provided that it is arranged in the system housing in an exchangeable manner.
  • the diffuser plate which is covered by the diffuser extension, has an inner surface facing the exhalation valve and an outer surface facing away from the exhalation valve.
  • the openings in the diffuser plate run from the inner surface to the outer surface at an angle of 40 ° -85 °, in particular 50 ° -80 °, in particular 60 ° -76 °.
  • the angle specification is to be understood in such a way that the perpendicular to the inner surface forms a first reference line, and the opening axis in the longitudinal section through the diffuser plate forms a second reference line, so that the specified angle runs between the two lines.
  • the openings in the diffuser plate are round and / or oval and / or elliptical.
  • the diffuser plate preferably has a thickness or material thickness such that the openings in the diffuser plate form short channels or short capillaries.
  • the diffuser plate can have a sieve-like or mesh-like structure.
  • the angle runs downwards towards the front, i.e. towards the swimmer's chin.
  • the escaping air is not directed towards the face, but towards the back, i.e. towards the neck.
  • no air bubbles develop or form in front of the swimmer's face.
  • such an angular formation has the consequence that no water can flow into the mouthpiece when a roll turn is carried out.
  • the described angle at which the openings extend from the inner surface to the outer surface can be individually adapted to the swimmer, in particular to the lung volume and / or the performance and / or the preferences of the swimmer.
  • the diffuser plate and / or the diffuser extension is or are replaceably attached to the system housing, in particular by means of latching and / or snap connections.
  • a diffuser plate can be placed in the mouthpiece system can be installed interchangeably, with the different diffuser plates differing from one another in terms of angle.
  • the mouthpiece system preferably comprises a mouthpiece with a bite guard or with a tooth support plate.
  • a cross-section through the mouthpiece system according to the invention when viewed from the side shows an angle that is formed between an opening axis of an opening in the diffuser plate and the bite guard or tooth support plate. This angle is between 90 and 40 °, in particular between 80 and 50 °, in particular between 75 and 65 °. On the basis of this angle, the outflow behavior of the air pressed or blown through the diffuser plate is further determined. In addition, an angle set in this way contributes to a pleasant feeling when worn in the mouth with respect to the mouthpiece system.
  • the system housing has at least one lateral opening in which a snorkel tube is rotatably mounted.
  • the mouthpiece system is consequently preferably not permanently connected to the snorkel tube, rather it is advantageous if the snorkel tube is rotatably mounted within the mouthpiece system.
  • system housing has two opposite lateral openings, in each of which a snorkel tube is rotatably mounted.
  • a preferably circular or elliptical ring-shaped flange surface of a snorkel tube is or can be rotatably arranged in the system housing of the mouthpiece system on an inner surface that delimits the lateral opening. Due to such an arrangement, the mouthpiece system and / or the snorkel tube can be individually adapted to the head of the respective swimmer with regard to the respective positioning.
  • FIG. 2a-2c a mouthpiece system 20 according to the invention is shown.
  • This mouthpiece system 20 comprises a mouthpiece 21, a system housing 22, an exhalation valve 23 and an air outlet opening 24, the air outlet opening being covered with a diffuser extension 25, which comprises a diffuser plate 26, and the diffuser plate 26 having a plurality of openings 27.
  • the air outlet opening accordingly describes the space between the exhalation valve 23 and the diffuser plate 26.
  • the diffuser plate has an inner surface 28 facing the exhalation valve 23 and an outer surface 29 facing away from the exhalation valve 23.
  • the openings 27 in the diffuser plate 26 extend from the inner surface 28 to the outer surface 29 at an angle ⁇ of 60 ° -76 °. In the sectional drawings shown, the openings 27 therefore run obliquely downward in the direction of the chin, starting from the mouth. Thus, no air bubbles are developed in front of the swimmer's face.
  • the expelled air flows towards the chin or neck.
  • the angle ⁇ described can be adaptable to the lung volume and / or the performance and / or the preferences of the swimmer.
  • the exhaled air flows along the in Fig. 2h arrow directions shown.
  • the diffuser plate 26 and / or the diffuser extension 25 can be attached to the system housing 22 in an exchangeable manner, in particular by means of latching and / or snap connections.
  • the openings 27 of the diffuser plate are curved (see FIG Fig. 2h ) runs, opening axes running parallel to one another.
  • the openings (27 ′′) in the bottom area 30 of the diffuser plate have a different angle so that the openings or opening axes can be made parallel.
  • the diffuser plate 26 forms the diffuser extension 25.
  • the diffuser extension 25 can be attached to the system housing 22 be attached.
  • the system housing 22 has two opposite lateral openings 32, in each of which a snorkel tube 40 is rotatably mounted.
  • the snorkel tube 40 can preferably have an annular or elliptical flange surface, the flange surface (not shown) being rotatably arranged on an inner surface delimiting the lateral opening 32.
  • the mouthpiece 21 can be arranged on the system housing 22 in such a way that an imaginary extension through a tooth support plate 82 of the mouthpiece 21 forms an angle with the extensions of the openings 27 formed in the diffuser plate 26 describes, which is 60 to 80 °, in particular 65 to 75 °, in particular 70 °.
  • the snorkel tube 40 comprises a first section 91 facing the mouthpiece 21 or the mouthpiece system 20 and a second section 92 associated with an air inlet opening or the valve system 10.
  • FIG. 2a and 2b it can be seen that the snorkel tube 40 is bent several times.
  • the second section 92 is angled from the first section 91.
  • the second section 92 is angled in particular in the direction of the blowout direction AR of the mouthpiece 21 or of the mouthpiece system 20.
  • the angle ⁇ the describes the bends of the second section 92 from the first section 91 and is in particular 12 to 18 °.
  • the first section 91 and the second section 92 are seen from above, as shown in FIG Fig. 2a is shown, bent in such a way that there is a convex bend which corresponds approximately to the shape of a swimmer's head. From this perspective it can also be seen that the first section 91 has a linear longitudinal extent LE1 which corresponds to at least 1.8 times, in particular at least twice the extent of the linear longitudinal extent LE2 of the second section 92.
  • the linear longitudinal extensions LE1 and LE2 thus describe the linear distance between the respective ends of the first section 91 and the second section 92, respectively.
  • the bending radius r1 in the first section 91 is designed as a convex bending radius r1, which can be configured differently in comparison to the bending radius r2 of the second section 92.
  • a shoulder can furthermore be formed on the outer surface such that a cap-like housing, in particular the illustrated valve housing 1, can be pushed onto the second section 92 at least in sections.
  • the snorkel tube housing can have a reduced outer circumference in cross section compared to the rest of the snorkel tube housing of the second section 92.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Check Valves (AREA)
  • Percussion Or Vibration Massage (AREA)

Description

Die Erfindung betrifft ein Mundstücksystem für eine Atemhilfe nach Anspruch 1.The invention relates to a mouthpiece system for a breathing aid according to claim 1.

Aus dem Stand der Technik sind weiterhin Mundstücksysteme bzw. Mundstücke für Atemhilfen für Schwimmer bekannt, wobei die Mundstücksysteme bislang derart ausgebildet sind, dass beispielsweise die ausgeatmete Luft blasenartig vor den Augen des Schwimmers aufsteigt. Dies führt zu Beeinträchtigungen beim Schwimmen. Außerdem ist auch beim Ausatmen ein entsprechender Widerstand für den Schwimmer spürbar. Des Weiteren haben bislang bekannte Mundstücksysteme den Nachteil, dass mit diesen keine Rollwenden durchführbar sind. Bislang tritt in bekannte Mundstücksysteme bei derartigen Rollwenden Wasser ein.Mouthpiece systems or mouthpieces for breathing aids for swimmers are also known from the prior art, the mouthpiece systems so far being designed in such a way that, for example, the exhaled air rises like bubbles in front of the swimmer's eyes. This leads to impairments in swimming. In addition, a corresponding resistance for the swimmer can also be felt when exhaling. Furthermore, previously known mouthpiece systems have the disadvantage that they cannot be used to perform roll turns. So far, water has entered known mouthpiece systems in such roll turns.

In CN 203 497 157 U wird im Zusammenhang mit Fig. 5 eine Art von Fortsatz offenbart, der mehrere Öffnungen aufweist. Bei den Öffnungen handelt es sich um einzelne Materialaussparungen. Bei Verwendung des in CN 203 497 157 U gezeigten Fortsatzes ist bei Durchführen von Rollwenden mit dem Eindringen von Wasser in den Fortsatz und somit in das Mundstücksystem zu rechnen. Des Weiteren wäre der in CN 203 497 157 U zu überwindende Ausatem-Widerstand während einer Rollwende sehr hoch.In CN 203 497 157 U In connection with FIG. 5, a type of extension is disclosed which has a plurality of openings. The openings are individual material recesses. When using the in CN 203 497 157 U The extension shown is to be expected when performing roll turns with the penetration of water into the extension and thus into the mouthpiece system. Furthermore, the in CN 203 497 157 U Exhalation resistance to be overcome during a roll turn is very high.

In US 3 415 245 A1 wird, wie dies insbesondere in den Fig. 2 und 6 zu erkennen ist, ein Mundstücksystem mit speziellem Aufbau offenbart. Konkret wird eine Anordnung mehrerer stiftartiger Elemente offenbart. Ausgeatmete Luft muss gemäß dieser Mundstückausbildung zunächst in einem 90°-Winkel nach links strömen, um dann geradlinig aus den Öffnungen des Mundstücksystems austreten zu können. Dieses Mundstücksystem steht somit im Zusammenhang mit einem äußerst hohen Ausatem-Widerstand.
Ausgehend von diesem Stand der Technik ist es Aufgabe der vorliegenden Erfindung, ein Mundstücksystem für eine Atemhilfe für Schwimmer derart weiterzuentwickeln, dass Rollwenden durchgeführt werden können. Außerdem ist das Mundstücksystem derart weiterzubilden, dass ausgeblasene Luft nicht mehr vor dem Kopf, insbesondere den Augen, eines Schwimmers aufgewirbelt wird.In U.S. 3,415,245 A1 will, as is particularly the case in the Fig. 2 and FIG. 6 discloses a mouthpiece system with a special construction. Specifically, an arrangement of several pin-like elements is disclosed. According to this mouthpiece design, exhaled air must first flow to the left at a 90 ° angle in order to then be able to exit the openings of the mouthpiece system in a straight line. This mouthpiece system is therefore associated with an extremely high exhalation resistance.
Based on this prior art, the object of the present invention is to further develop a mouthpiece system for a breathing aid for swimmers in such a way that that roll reversals can be carried out. In addition, the mouthpiece system is to be developed in such a way that blown air is no longer whirled up in front of the head, in particular the eyes, of a swimmer.

Erfindungsgemäß wird diese Aufgabe im Hinblick auf das Mundstücksystem für eine Atemhilfe durch den Gegenstand des Patentanspruches 1 gelöst.According to the invention, this object is achieved with regard to the mouthpiece system for a breathing aid by the subject matter of claim 1.

Vorteilhafte und zweckmäßige Ausgestaltungen des erfindungsgemäßen Mundstücksystems sind in den Unteransprüchen angegeben.Advantageous and expedient configurations of the mouthpiece system according to the invention are specified in the subclaims.

Die Erfindung betrifft ein Mundstücksystem für eine Atemhilfe für Schwimmer, umfassend ein Mundstück, ein Systemgehäuse, ein Ausatemventil und eine Luftauslassöffnung, wobei die Luftauslassöffnung mit einem Diffusorfortsatz, der eine Diffusorplatte umfasst, abgedeckt ist und die Diffusorplatte eine Vielzahl von Öffnungen aufweist.The invention relates to a mouthpiece system for a breathing aid for swimmers, comprising a mouthpiece, a system housing, an exhalation valve and an air outlet opening, the air outlet opening being covered with a diffuser extension comprising a diffuser plate and the diffuser plate having a plurality of openings.

Als Mundstück wird im Folgenden der Teil des Mundstücksystems angesehen, der zumindest teilweise von einem Schwimmer in den Mund eingeführt wird. Ein Mundstück weist typischerweise eine Beissschiene bzw. Zahnauflageplatte auf. Zumindest die obere Lippe eines Schimmers wird vorzugsweise mittels einer Abdichtauflage des Mundstücks abgedichtet.In the following, the part of the mouthpiece system which is at least partially inserted into the mouth by a swimmer is regarded as the mouthpiece. A mouthpiece typically has a bite guard or tooth support plate. At least the upper lip of a shimmer is preferably sealed by means of a sealing pad of the mouthpiece.

Das Systemgehäuse dient zum einen zur Befestigung des Mundstückes und umfasst des Weiteren das Ausatemventil. Bei dem Ausatemventil kann es sich beispielsweise um ein Flatterventil handeln. Außerdem dient das Systemgehäuse des Mundstücksystems vorzugsweise zur Aufnahme eines Schnorchelrohrendes. Nach einem Ausatemventil ist innerhalb des Systemgehäuses eine Luftauslassöffnung ausgebildet, wobei diese mit einem Diffusorfortsatz abgedeckt ist. Der Diffusorfortsatz umfasst eine Diffusorplatte, die wiederum eine Vielzahl von runden und/oder ovalen und/oder ellipsenförmigen Öffnungen aufweist. Auf der Diffusorplatte ist mit anderen Worten ein Lochbild ausgebildet.The system housing is used on the one hand to attach the mouthpiece and also includes the exhalation valve. The exhalation valve can be a flutter valve, for example. In addition, the system housing of the mouthpiece system is preferably used to accommodate an end of the snorkel tube. After an exhalation valve, an air outlet opening is formed within the system housing, this opening being covered with a diffuser extension. The diffuser extension comprises a diffuser plate, which in turn has a multiplicity of round and / or oval and / or elliptical openings. In other words, a hole pattern is formed on the diffuser plate.

In einer Ausführungsform der Erfindung kann das Mundstück am Systemgehäuse fest arretiert sein. Außerdem ist es denkbar, dass das Mundstück austauschbar am Systemgehäuse arretiert ist, so dass das Mundstück nach entsprechendem Verschleiß austauschbar ist. Außerdem kann das Mundstück bei Verwendung durch mehrere Personen in hygienischer Art und Weise ausgetauscht werden, sofern dieses im Systemgehäuse austauschbar angeordnet ist.In one embodiment of the invention, the mouthpiece can be firmly locked on the system housing. In addition, it is conceivable that the mouthpiece is interchangeably locked on the system housing, so that the mouthpiece can be exchanged after it has been worn accordingly. In addition, the mouthpiece can when in use can be exchanged in a hygienic manner by several people, provided that it is arranged in the system housing in an exchangeable manner.

Die Diffusorplatte, die von dem Diffusorfortsatz erfasst ist, weist eine, dem Ausatemventil zugewandte Innenfläche und eine von dem Ausatemventil abgewandte Außenfläche auf. Die Öffnungen in der Diffusorplatte verlaufen von der Innenfläche zur Außenfläche in einem Winkel von 40° - 85°, insbesondere von 50° - 80°, insbesondere von 60° - 76°. Die Winkelangabe ist derart zu verstehen, dass die senkrechte zur Innenfläche eine erste Bezugslinie bildet, und die Öffnungsachse im Längsschnitt durch die Diffusorplatte eine zweite Bezugslinie bildet, so dass der angegebene Winkel zwischen den beiden Linien verläuft.The diffuser plate, which is covered by the diffuser extension, has an inner surface facing the exhalation valve and an outer surface facing away from the exhalation valve. The openings in the diffuser plate run from the inner surface to the outer surface at an angle of 40 ° -85 °, in particular 50 ° -80 °, in particular 60 ° -76 °. The angle specification is to be understood in such a way that the perpendicular to the inner surface forms a first reference line, and the opening axis in the longitudinal section through the diffuser plate forms a second reference line, so that the specified angle runs between the two lines.

Die Öffnungen in der Diffusorplatte sind rund und/oder oval und/oder ellipsenförmig ausgebildet. Die Diffusorplatte weist vorzugsweise eine derartige Dicke bzw. Materialstärke auf, dass die Öffnungen in der Diffusorplatte kurze Kanäle bzw. kurze Kapillare bilden. Die Diffusorplatte kann eine siebartige oder maschenartige Struktur aufweisen.The openings in the diffuser plate are round and / or oval and / or elliptical. The diffuser plate preferably has a thickness or material thickness such that the openings in the diffuser plate form short channels or short capillaries. The diffuser plate can have a sieve-like or mesh-like structure.

Im Benutzungszustand verläuft der Winkel nach vorne unten, d.h. in Richtung Kinn des Schwimmers. Dies hat zur Folge, dass die austretende Luft nicht in Richtung des Gesichtes, sondern nach hinten, d.h. in Richtung des Halses abgeleitet wird. Es entsteht folglich keine Luftblasenentwicklung bzw. -bildung vor dem Gesicht des Schwimmers. Außerdem hat eine derartige Winkelausbildung zur Folge, dass kein Wasser beim Ausüben einer Rollwende in das Mundstück hineinfließen kann.When in use, the angle runs downwards towards the front, i.e. towards the swimmer's chin. As a result, the escaping air is not directed towards the face, but towards the back, i.e. towards the neck. As a result, no air bubbles develop or form in front of the swimmer's face. In addition, such an angular formation has the consequence that no water can flow into the mouthpiece when a roll turn is carried out.

Der beschriebene Winkel, in dem die Öffnungen ausgehend von der Innenfläche zur Außenfläche verlaufen, kann individuell an den Schwimmer, insbesondere an das Lungenvolumen und/oder die Leistungsfähigkeit und/oder die Präferenzen des Schwimmers, anpassbar sein.The described angle at which the openings extend from the inner surface to the outer surface can be individually adapted to the swimmer, in particular to the lung volume and / or the performance and / or the preferences of the swimmer.

Hierzu ist es vorteilhaft, dass die Diffusorplatte und/oder der Diffusorfortsatz an dem Systemgehäuse, insbesondere mittels Rast- und/oder Schnappverbindungen, auswechselbar angebracht ist bzw. sind. Je nach Trainingsstand bzw. körperlichem Zustand des Schwimmers kann eine Diffusorplatte in das Mundstücksystem austauschbar eingebaut werden, wobei sich die unterschiedlichen Diffusorplatten hinsichtlich des Winkels voneinander unterscheiden.For this purpose, it is advantageous that the diffuser plate and / or the diffuser extension is or are replaceably attached to the system housing, in particular by means of latching and / or snap connections. Depending on the level of training or the physical condition of the swimmer, a diffuser plate can be placed in the mouthpiece system can be installed interchangeably, with the different diffuser plates differing from one another in terms of angle.

Das Mundstücksystem umfasst vorzugsweise ein Mundstück mit einer Beißschiene bzw. mit einer Zahnauflageplatte. Ein Querschnitt durch das erfindungsgemäße Mundstücksystem bei einer seitlichen Betrachtungsweise zeigt einen Winkel, der zwischen einer Öffnungsachse einer Öffnung der Diffusorplatte und der Beißschiene bzw. Zahnauflageplatte gebildet wird. Dieser Winkel beträgt zwischen 90 und 40°, insbesondere zwischen 80 und 50°, insbesondere zwischen 75 und 65°. Aufgrund dieses Winkels wird das Ausströmverhalten der durch die Diffusorplatte gedrückten bzw. geblasenen Luft weiter bestimmt. Außerdem trägt ein derart eingestellter Winkel zu einem angenehmen Mundtragegefühl bezüglich des Mundstücksystems bei.The mouthpiece system preferably comprises a mouthpiece with a bite guard or with a tooth support plate. A cross-section through the mouthpiece system according to the invention when viewed from the side shows an angle that is formed between an opening axis of an opening in the diffuser plate and the bite guard or tooth support plate. This angle is between 90 and 40 °, in particular between 80 and 50 °, in particular between 75 and 65 °. On the basis of this angle, the outflow behavior of the air pressed or blown through the diffuser plate is further determined. In addition, an angle set in this way contributes to a pleasant feeling when worn in the mouth with respect to the mouthpiece system.

Des Weiteren ist es denkbar, dass das Systemgehäuse mindestens eine seitliche Öffnung aufweist, in der ein Schnorchelrohr drehbeweglich gelagert ist. Das Mundstücksystem ist folglich vorzugsweise nicht fest mit dem Schnorchelrohr verbunden, vielmehr ist es vorteilhaft, wenn das Schnorchelrohr innerhalb des Mundstücksystems drehbeweglich gelagert ist.Furthermore, it is conceivable that the system housing has at least one lateral opening in which a snorkel tube is rotatably mounted. The mouthpiece system is consequently preferably not permanently connected to the snorkel tube, rather it is advantageous if the snorkel tube is rotatably mounted within the mouthpiece system.

In einer weiteren Ausführungsform der Erfindung ist es denkbar, dass das Systemgehäuse zwei gegenüberliegende seitliche Öffnungen aufweist, in denen jeweils ein Schnorchelrohr drehbeweglich gelagert ist.In a further embodiment of the invention it is conceivable that the system housing has two opposite lateral openings, in each of which a snorkel tube is rotatably mounted.

Es ist denkbar, dass eine, vorzugsweise kreisringförmige oder ellipsenringförmig ausgebildete Flanschfläche eines Schnorchelrohrs im Systemgehäuse des Mundstücksystems an einer, die seitliche Öffnung begrenzende, Innenfläche drehbeweglich angeordnet oder anordenbar ist. Aufgrund einer derartigen Anordnung kann das Mundstücksystem und/oder das Schnorchelrohr hinsichtlich der jeweiligen Positionierung individuell an den Kopf des jeweiligen Schwimmers angepasst werden.It is conceivable that a preferably circular or elliptical ring-shaped flange surface of a snorkel tube is or can be rotatably arranged in the system housing of the mouthpiece system on an inner surface that delimits the lateral opening. Due to such an arrangement, the mouthpiece system and / or the snorkel tube can be individually adapted to the head of the respective swimmer with regard to the respective positioning.

Die Erfindung wird im Folgenden anhand von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Zeichnungen näher erläutert. Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung in Verbindung mit diesen Zeichnungen.The invention is explained in more detail below on the basis of exemplary embodiments with reference to the accompanying drawings. Further features and advantages of the invention emerge from the following description in conjunction with these drawings.

Darin zeigen:

Fig. 2a - 2h:
ein erfindungsgemäßes Mundstücksystem und Bauteile dieses Mundstücksystems.
Show in it:
Fig. 2a - 2h:
a mouthpiece system according to the invention and components of this mouthpiece system.

Im Folgenden werden für gleiche und gleich wirkende Teile gleiche Bezugszeichen verwendet.In the following, the same reference symbols are used for the same parts and parts that have the same effect.

In den Fig. 2a - 2c ist ein erfindungsgemäßes Mundstücksystem 20 dargestellt. Dieses Mundstücksystem 20 umfasst ein Mundstück 21, ein Systemgehäuse 22, ein Ausatemventil 23 und eine Luftauslassöffnung 24, wobei die Luftauslassöffnung mit einem Diffusorfortsatz 25, der eine Diffusorplatte 26 umfasst, abgedeckt ist und die Diffusorplatte 26 eine Vielzahl von Öffnungen 27 aufweist.In the Figures 2a-2c a mouthpiece system 20 according to the invention is shown. This mouthpiece system 20 comprises a mouthpiece 21, a system housing 22, an exhalation valve 23 and an air outlet opening 24, the air outlet opening being covered with a diffuser extension 25, which comprises a diffuser plate 26, and the diffuser plate 26 having a plurality of openings 27.

Die Luftauslassöffnung beschreibt demnach den Zwischenraum zwischen dem Ausatemventil 23 und der Diffusorplatte 26. Die Diffusorplatte weist eine, dem Ausatemventil 23 zugewandte Innenfläche 28 und eine von dem Ausatemventil 23 abgewandte Außenfläche 29 auf. Die Öffnungen 27 in der Diffusorplatte 26 verlaufen von der Innenfläche 28 zur Außenfläche 29 in einem Winkel δ von 60° - 76°. In den dargestellten Schnittzeichnungen verlaufen die Öffnungen 27 demnach ausgehend von dem Mund nach schräg unten in Richtung des Kinns. Somit werden keine Luftblasen vor dem Gesicht des Schwimmers entwickelt. Die ausgestoßene Luft strömt in Richtung des Kinns bzw. des Nackens ab. Der beschriebene Winkel δ kann an das Lungenvolumen und/oder die Leistungsfähigkeit und/oder die Präferenzen des Schwimmers anpassbar sein. Die ausgeatmete Luft strömt entlang der in Fig. 2h dargestellten Pfeilrichtungen.The air outlet opening accordingly describes the space between the exhalation valve 23 and the diffuser plate 26. The diffuser plate has an inner surface 28 facing the exhalation valve 23 and an outer surface 29 facing away from the exhalation valve 23. The openings 27 in the diffuser plate 26 extend from the inner surface 28 to the outer surface 29 at an angle δ of 60 ° -76 °. In the sectional drawings shown, the openings 27 therefore run obliquely downward in the direction of the chin, starting from the mouth. Thus, no air bubbles are developed in front of the swimmer's face. The expelled air flows towards the chin or neck. The angle δ described can be adaptable to the lung volume and / or the performance and / or the preferences of the swimmer. The exhaled air flows along the in Fig. 2h arrow directions shown.

Wie den Fig. 2b - 2h entnommen werden kann, kann die Diffusorplatte 26 und/oder der Diffusorfortsatz 25 an dem Systemgehäuse 22 insbesondere mittels Rast -und/oder Schnappverbindungen auswechselbar angebracht sein. Im dargestellten Beispiel weisen die Öffnungen 27 der Diffusorplatte, die gewölbt (siehe hierzu Fig. 2h) verläuft, parallel zueinander verlaufende Öffnunsachsen auf.Like that Figures 2b-2h can be removed, the diffuser plate 26 and / or the diffuser extension 25 can be attached to the system housing 22 in an exchangeable manner, in particular by means of latching and / or snap connections. In the example shown, the openings 27 of the diffuser plate are curved (see FIG Fig. 2h ) runs, opening axes running parallel to one another.

Die Öffnung 27, die die von oben gesehene erste Öffnung darstellt, verläuft parallel zu einer mittleren Öffnung 27' sowie parallel zur letzten Öffnung 27", die im Bodenbereich 30 der Diffusorplatte 26 ausgebildet ist. Die Öffnungen (27") im Bodenbereich 30 der Diffursplatte weisen einen anderen Winkel auf, sodass die Parallelität der Öffnungen bzw. Öffnungsachsen hergestellt werden kann. Zusammen mit einem Befestigungsflansch 31 bildet die Diffusorplatte 26 den Diffusorfortsatz 25. Der Diffusorfortsatz 25 kann auf das Systemgehäuse 22 aufgesteckt werden.The opening 27, which represents the first opening seen from above, runs parallel to a central opening 27 'and parallel to the last opening 27 ", the is formed in the bottom region 30 of the diffuser plate 26. The openings (27 ″) in the bottom area 30 of the diffuser plate have a different angle so that the openings or opening axes can be made parallel. Together with a fastening flange 31, the diffuser plate 26 forms the diffuser extension 25. The diffuser extension 25 can be attached to the system housing 22 be attached.

Das Systemgehäuse 22 weist im vorliegenden Beispiel zwei gegenüberliegende seitliche Öffnungen 32 auf, in denen jeweils ein Schnorchelrohr 40 drehbeweglich gelagert ist. Das Schnorchelrohr 40 kann hierzu vorzugsweise eine kreisringförmige oder ellipsenförmig ausgebildete, Flanschfläche aufweisen, wobei die Flanschfläche (nicht dargestellt) an einer, die seitliche Öffnung 32 begrenzende Innenfläche drehbeweglich angeordnet ist.In the present example, the system housing 22 has two opposite lateral openings 32, in each of which a snorkel tube 40 is rotatably mounted. For this purpose, the snorkel tube 40 can preferably have an annular or elliptical flange surface, the flange surface (not shown) being rotatably arranged on an inner surface delimiting the lateral opening 32.

In Fig. 2c wird des Weiteren dargestellt, dass das Mundstück 21 derart am Systemgehäuse 22 angeordnet sein kann, dass eine gedachte Verlängerung durch eine Zahnauflageplatte 82 des Mundstücks 21 mit den Erstreckungen der in der Diffusorplatte 26 ausgebildeten Öffnungen 27 einen Winkel

Figure imgb0001
beschreibt, der 60 bis 80°, insbesondere 65 bis 75°, insbesondere 70°, ist.In Figure 2c it is also shown that the mouthpiece 21 can be arranged on the system housing 22 in such a way that an imaginary extension through a tooth support plate 82 of the mouthpiece 21 forms an angle with the extensions of the openings 27 formed in the diffuser plate 26
Figure imgb0001
describes, which is 60 to 80 °, in particular 65 to 75 °, in particular 70 °.

Mit Hilfe des erfindungsgemäßen Mundstücksystems 20 ist es möglich, dass ein Schwimmer eine Rollwende durchführen kann, wobei kein Wasser in das Mundstücksystem 20 eindringen kann. Dies ist vor allen Dingen aufgrund der schräg verlaufenden Öffnungen 27 möglich.With the aid of the mouthpiece system 20 according to the invention, it is possible for a swimmer to perform a roll turn, with no water being able to penetrate into the mouthpiece system 20. This is possible above all because of the inclined openings 27.

In den Fig. 2a und 2b wird des Weiteren ein erfindungsgemäßes Schnorchelrohr 40 dargestellt. Das Schnorchelrohr 40 umfasst einen dem Mundstück 21 bzw. dem Mundstücksystem 20 zugewandten ersten Abschnitt 91 und einen eine Lufteinlassöffnung bzw. dem Ventilsystem 10 zugeordneten zweiten Abschnitt 92.In the Figures 2a and 2b Furthermore, a snorkel tube 40 according to the invention is shown. The snorkel tube 40 comprises a first section 91 facing the mouthpiece 21 or the mouthpiece system 20 and a second section 92 associated with an air inlet opening or the valve system 10.

Den Fig. 2a und 2b ist zu entnehmen, dass das Schnorchelrohr 40 mehrfach gebogen ist. Bei einer Betrachtung des Schnorchelrohrs 40 im Benutzungszustand der Atemhilfe in einer Seitenansicht, wie diese in Fig. 2b dargestellt ist, wird ersichtlich, dass der zweite Abschnitt 92 vom ersten Abschnitt 91 abgewinkelt ist. Der zweite Abschnitt 92 ist insbesondere in Richtung der Ausblasrichtung AR des Mundstücks 21 bzw. des Mundstücksystems 20 abgewinkelt. Der Winkel ϕ, der die Abwinklungen des zweiten Abschnitts 92 vom ersten Abschnitt 91 beschreibt und beträgt insbesondere 12 bis 18°.The Figures 2a and 2b it can be seen that the snorkel tube 40 is bent several times. When looking at the snorkel tube 40 in the state of use of the breathing aid in a side view, as shown in FIG Figure 2b is shown, it can be seen that the second section 92 is angled from the first section 91. The second section 92 is angled in particular in the direction of the blowout direction AR of the mouthpiece 21 or of the mouthpiece system 20. The angle ϕ, the describes the bends of the second section 92 from the first section 91 and is in particular 12 to 18 °.

Der erste Abschnitt 91 und der zweite Abschnitt 92 sind bei einer Betrachtung des Schnorchelrohrs 40 im Benutzungszustand der Atemhilfe in Draufsicht, wie diese in Fig. 2a dargestellt ist, derart gebogen, dass eine konvexe Biegung vorliegt, die in etwa der Kopfform eines Schwimmers entspricht. Aus dieser Betrachtungsweise geht auch hervor, dass der erste Abschnitt 91 eine lineare Längserstreckung LE1 aufweist, die mindestens dem 1,8-Fachen, insbesondere mindestens dem 2-Fachen Maß der linearen Längserstreckung LE2 des zweiten Abschnitts 92 entspricht. Die linearen Längserstreckungen LE1 und LE2 beschreiben somit den linearen Abstand zwischen den jeweiligen Enden des ersten Abschnitts 91 bzw. des zweiten Abschnitts 92.When the snorkel tube 40 is viewed in the state of use of the breathing aid, the first section 91 and the second section 92 are seen from above, as shown in FIG Fig. 2a is shown, bent in such a way that there is a convex bend which corresponds approximately to the shape of a swimmer's head. From this perspective it can also be seen that the first section 91 has a linear longitudinal extent LE1 which corresponds to at least 1.8 times, in particular at least twice the extent of the linear longitudinal extent LE2 of the second section 92. The linear longitudinal extensions LE1 and LE2 thus describe the linear distance between the respective ends of the first section 91 and the second section 92, respectively.

In Fig. 2a ist des Weiteren zu erkennen, dass der Biegungsradius r1 im ersten Abschnitt 91 als ein konvexer Biegungsradius r1 ausgebildet ist, der im Vergleich zum Biegungsradius r2 des zweiten Abschnitts 92 unterschiedlich ausgebildet sein kann. Im zweiten Abschnitt 92 kann des Weiteren an der äußeren Oberfläche ein Absatz ausgebildet sein derart, dass auf den zweiten Abschnitt 92 zumindest abschnittsweise ein kappenartiges Gehäuse, insbesondere das dargestellte Ventilgehäuse 1, aufgeschoben werden kann. Im Bereich des Absatzes kann das Schnorchelrohrgehäuse im Querschnitt einen im Vergleich zum restlichen Schnorchelrohrgehäuse des zweiten Abschnitts 92 verringerten Außenumfang aufweisen.In Fig. 2a it can also be seen that the bending radius r1 in the first section 91 is designed as a convex bending radius r1, which can be configured differently in comparison to the bending radius r2 of the second section 92. In the second section 92, a shoulder can furthermore be formed on the outer surface such that a cap-like housing, in particular the illustrated valve housing 1, can be pushed onto the second section 92 at least in sections. In the area of the shoulder, the snorkel tube housing can have a reduced outer circumference in cross section compared to the rest of the snorkel tube housing of the second section 92.

BezugszeichenlisteList of reference symbols


1  Ventilgehäuse
2  Ventilmembran
3  Kontaktierungsabschnitt
4  Erstes Ende
5  Befestigungselement
6  Zweites Ende
7  Lufteinlassöffnung
8  Öffnung
9  Schnorchelrohrende
10  Ventilsystem
11, 11'  Ventilmembranabschnitt
12  Innenoberfläche
13  Begrenzungsfläche
14  Endabschnitt Ventilmembran
15  Klemmabschnitt
16  Abgeschrägte Fläche
17  Abschnitt Ventilmembran
18  Strebenartiges Element
19  Endabschnitt Ventilgehäuse
20  Mundstücksystem
21  Mundstück
22  Systemgehäuse
23  Ausatemventil
24  Luftauslassöffnung
25  Diffusorfortsatz
26  Diffusorplatte
27, 27', 27"  Öffnung
28  Innenfläche
29  Außenfläche
30  Bodenbereich Diffusorplatte
31  Befestigungsflansch
32  Seitliche Öffnung
33  Strebenartiges Element
34  Strebenartiges Element
35  Gitterartige Abdeckung
40  Schnorchelrohr
41  Schwächungskontur
42  Markierung
43  Lufteinlassöffnung
44  Schnorchelrohrabschnitt
45, 45'  Ventilgehäuseabschnitt
46  Abschnitt
47  Anschlagskante
48  Endkante
49  Ausnehmung
51  Rohrflächenabschnitt
52  Vertiefung
53  Magnetisches Element
54  Befestigungsmagnet
55  luftdurchlässige Abdeckung
56  runde Öffnung
56'  Kanal
57  Einkerbung
60  Atemhilfe
61  Kopfbefestigungssystem
62  Längliches Befestigungselement
63  Erster Endabschnitt
64  Zweiter Endabschnitt
65  Rohrflächenabschnitt
66  Vertiefung
67  Ausnehmung
68  Befestigungsmittel
69  Drehknopf
70  Schwimmbrille
71  Kopfbefestigungssystem
72  Befestigungselement
73  Erster Endabschnitt
74  Zweiter Endabschnitt
75  Glas
76  Rastsystem
77  Randabschnitt
78  Drehknopf
79  Kopfauflageplatte
80  Kopfauflageplatte
81  Kopf
82  Zahnauflageplatte
83  Ausnehmung
84  Biegeabschnitt
85, 85'  Abschlusskappe
86  Abschlussfläche
87  Querstrebe
88  Abschlusskante
89  Öffnung
90  Führungselement
91  erster Abschnitt
92  zweiter Abschnitt
α, α'  Winkel zwischen Ventilmembranabschnitten, insbesondere zwischen den Endabschnitten der Ventilmembran
β  Winkel zwischen Innenoberfläche und Begrenzungsfläche
ε  Winkelöffnung lamellenartig angeordnete Querstreben
ϕ  Winkel Schnorchelrohr bezüglich abgewinkelten zweiten Abschnitt

Figure imgb0002
  Winkel zwischen Zahnauflageplatte und Öffnungen Diffusor-platte
γ  Winkel abgeschrägte Fläche
δ  Winkel Öffnung Diffusorplatte
Ω  Winkel Position Drehknopf
AR  Ausblasrichtung
L  Längsachse
Q1  Innenquerschnitt
Q2  Außenquerschnitt
LS  Schnorchelrohrlänge
P1  Pfeil
LE1  lineare Längserstreckung erster Abschnitt
LE2  lineare Längserstreckung zweiter Abschnitt
r1  Biegungsradius erster Abschnitt
r2  Biegungsradius zweiter Abschnitt
1 valve body
2 valve membrane
3 contacting section
4 First end
5 fastener
6 Second ending
7 Air inlet opening
8 opening
9 end of snorkel tube
10 valve system
11, 11 'valve diaphragm section
12 inner surface
13 boundary surface
14 Valve membrane end section
15 clamping section
16 Beveled surface
17 Valve membrane section
18 Strut-like element
19 valve housing end section
20 mouthpiece system
21 mouthpiece
22 system chassis
23 Exhalation valve
24 air outlet
25 diffuser extension
26 diffuser plate
27, 27 ', 27 "opening
28 inner surface
29 exterior surface
30 Base area diffuser plate
31 mounting flange
32 Side opening
33 Strut-like element
34 Strut-like element
35 Lattice-like cover
40 snorkel tube
41 weakening contour
42 marker
43 Air inlet opening
44 snorkel tube section
45, 45 'valve housing section
46 section
47 stop edge
48 end edge
49 recess
51 pipe surface section
52 deepening
53 Magnetic element
54 mounting magnet
55 breathable cover
56 round opening
56 'channel
57 notch
60 breathing aid
61 Head mounting system
62 Elongated fastener
63 First end section
64 Second end section
65 pipe surface section
66 deepening
67 recess
68 fasteners
69 Rotary knob
70 swimming goggles
71 Head mounting system
72 fastener
73 First end section
74 Second end section
75 glass
76 locking system
77 edge section
78 rotary knob
79 head support plate
80 head support plate
81 head
82 tooth support plate
83 recess
84 bending section
85, 85 'end cap
86 end face
87 cross brace
88 finishing edge
89 opening
90 guide element
91 first section
92 second section
α, α 'angle between valve membrane sections, in particular between the end sections of the valve membrane
β angle between inner surface and boundary surface
ε angular opening transverse struts arranged like lamellae
ϕ Angle snorkel tube with respect to angled second section
Figure imgb0002
Angle between the tooth support plate and the openings in the diffuser plate
γ angle beveled surface
δ angle opening diffuser plate
Ω Angle position rotary knob
AR discharge direction
L longitudinal axis
Q 1 internal cross-section
Q 2 external cross-section
L S snorkel tube length
P1 arrow
LE1 linear longitudinal extension of the first section
LE2 linear longitudinal extension of the second section
r1 bending radius first section
r2 bending radius second section

Claims (4)

  1. A mouthpiece system (20) for a breathing aid (60) for swimmers, comprising a mouthpiece (21), a system housing (22), an exhalation valve (23), and an air outlet opening (24), wherein the air outlet opening (24) is covered with a diffusor extension (25) comprising a diffusor plate (26), and the diffusor plate (26) includes a plurality of circular and/or oval and/or elliptical openings (27),
    characterized in that
    the diffusor plate (26) includes an inner surface (29) facing the exhalation valve (23) and an outer surface (29) facing away from the exhalation valve (23), wherein the openings (27) extend in the form of small channels and/or capillaries in the diffusor plate (26) from the inner surface (28) to the outer surface (29) at an angle (δ) of 40° - 85°, wherein the angle (δ), in the state of use of the breathing aid (60), extends towards the chin of the swimmer.
  2. The mouthpiece system (20) according to claim 1,
    characterized in that
    the diffusor plate (26) and/or the diffusor extension (25) is/are attached at the system housing (22) to be exchangeable, in particular by means of latching connections and/or snap connections.
  3. The mouthpiece system (20) according to any one of claims 1 to 2,
    characterized in that
    the system housing includes at least one lateral opening (32) in which a snorkel tube (40) is rotatably supported.
  4. The mouthpiece system (20) according to claim 3,
    characterized in that
    a flange surface, preferably formed to be circular ring-shaped or elliptical ring-shaped, of the snorkel tube (40) is disposed or disposable in the system housing (22) to be rotatable at an inner surface delimiting the lateral opening (34).
EP19166746.8A 2014-12-22 2015-12-22 Valve system for ventilatory support and mouthpiece system for ventilatory support Active EP3527481B1 (en)

Applications Claiming Priority (5)

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DE102014226778 2014-12-22
DE102015100961 2015-01-23
DE102015210273 2015-06-03
EP15816188.5A EP3237281B1 (en) 2014-12-22 2015-12-22 Breathing aid for swimmers
PCT/EP2015/080899 WO2016102522A2 (en) 2014-12-22 2015-12-22 Valve system for a breathing aid, mouthpice system for a breathing aid, snorkling tube for a breathing aid, and breathing aid for swimmers

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP15816188.5A Division EP3237281B1 (en) 2014-12-22 2015-12-22 Breathing aid for swimmers
EP15816188.5A Division-Into EP3237281B1 (en) 2014-12-22 2015-12-22 Breathing aid for swimmers

Publications (3)

Publication Number Publication Date
EP3527481A2 EP3527481A2 (en) 2019-08-21
EP3527481A3 EP3527481A3 (en) 2019-11-27
EP3527481B1 true EP3527481B1 (en) 2021-06-02

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ID=55022488

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EP19166746.8A Active EP3527481B1 (en) 2014-12-22 2015-12-22 Valve system for ventilatory support and mouthpiece system for ventilatory support
EP15816188.5A Active EP3237281B1 (en) 2014-12-22 2015-12-22 Breathing aid for swimmers

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US (1) US10870470B2 (en)
EP (2) EP3527481B1 (en)
CN (1) CN107207080B (en)
DE (1) DE102015122503A1 (en)
ES (1) ES2737695T3 (en)
WO (1) WO2016102522A2 (en)

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Publication number Publication date
WO2016102522A3 (en) 2016-08-18
ES2737695T3 (en) 2020-01-15
EP3527481A2 (en) 2019-08-21
WO2016102522A2 (en) 2016-06-30
US20180001979A1 (en) 2018-01-04
CN107207080B (en) 2019-10-22
DE102015122503A1 (en) 2016-06-23
EP3237281A2 (en) 2017-11-01
EP3527481A3 (en) 2019-11-27
CN107207080A (en) 2017-09-26
EP3237281B1 (en) 2019-05-08
US10870470B2 (en) 2020-12-22

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