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JP6925858B2 - Indoor unit of air conditioner - Google Patents
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JP6925858B2 - Indoor unit of air conditioner - Google Patents

Indoor unit of air conditioner Download PDF

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JP6925858B2
JP6925858B2 JP2017090444A JP2017090444A JP6925858B2 JP 6925858 B2 JP6925858 B2 JP 6925858B2 JP 2017090444 A JP2017090444 A JP 2017090444A JP 2017090444 A JP2017090444 A JP 2017090444A JP 6925858 B2 JP6925858 B2 JP 6925858B2
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water
indoor unit
protrusion
flow channel
channel
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JP2018189280A5 (en
JP2018189280A (en
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順道 宇野
順道 宇野
雅司 ▲高▼野
雅司 ▲高▼野
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Mitsubishi Heavy Industries Thermal Systems Ltd
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Mitsubishi Heavy Industries Thermal Systems Ltd
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Priority to JP2017090444A priority Critical patent/JP6925858B2/en
Priority to AU2018102198A priority patent/AU2018102198A4/en
Priority to PCT/JP2018/010370 priority patent/WO2018198584A1/en
Priority to EP18791438.7A priority patent/EP3531038A4/en
Priority to AU2018259336A priority patent/AU2018259336A1/en
Publication of JP2018189280A publication Critical patent/JP2018189280A/en
Publication of JP2018189280A5 publication Critical patent/JP2018189280A5/ja
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Description

本発明は、ドレン水を排出する流水路を備えた空気調和装置の室内機に関するものである。 The present invention relates to an indoor unit of an air conditioner provided with a flow channel for discharging drain water.

空気調和装置の室内機には、冷房時等に熱交換器等にて凝縮したドレン水を集めて外部に排出するための流水路が設けられている。下記特許文献１及び２には、流水路を一方向に傾斜させてドレン水を排水する発明が開示されている。 The indoor unit of the air conditioner is provided with a flow channel for collecting drain water condensed by a heat exchanger or the like during cooling or the like and discharging it to the outside. The following Patent Documents 1 and 2 disclose an invention in which a flowing water channel is inclined in one direction to drain drain water.

国際公開第２０１５／１３６７１１号International Publication No. 2015/136711 特開２０１５−１０２２５７号公報Japanese Unexamined Patent Publication No. 2015-102257

しかし、室内機が傾いて据え付けられると、傾斜が急になった場合にはドレン水の流速が大きくなり流水路からドレン水が漏出するおそれがあり、傾斜が緩やかになった場合には排水が円滑に行われないおそれがある。 However, if the indoor unit is installed at an angle, the flow velocity of the drain water will increase if the inclination becomes steep, and drain water may leak from the flow channel. If the inclination becomes gentle, drainage will be discharged. It may not be done smoothly.

本発明は、このような事情に鑑みてなされたものであって、流水路を流れる凝縮水の流速を適正に調整することができる空気調和装置の室内機を提供することを目的とする。 The present invention has been made in view of such circumstances, and an object of the present invention is to provide an indoor unit of an air conditioner capable of appropriately adjusting the flow velocity of condensed water flowing through a flowing water channel.

上記課題を解決するために、本発明の空気調和装置の室内機は以下の手段を採用する。
すなわち、本発明にかかる空気調和装置の室内機は、本体内にて凝縮した水を受けて排出する流水路を備え、前記流水路の底面には、該流水路の一部を遮る突起が設けられていることを特徴とする。 In order to solve the above problems, the indoor unit of the air conditioner of the present invention employs the following means.
That is, the indoor unit of the air conditioner according to the present invention is provided with a flow channel that receives and discharges condensed water in the main body, and a protrusion that blocks a part of the flow channel is provided on the bottom surface of the flow channel. It is characterized by being.

室内機の内部で凝縮した水は流水路へと導かれ室内機の外部へと排出される。流水路の底面には、流水路の一部を遮る突起が設けられているので、流水路を流れる水の流速を調整することができる。例えば、流速が大きすぎて水が流水路を越えて漏出してしまうことを防止することができる。
突起は、水の流れ方向に所定間隔を有して複数設けることが好ましい。 The water condensed inside the indoor unit is guided to the running water channel and discharged to the outside of the indoor unit. Since the bottom surface of the flow channel is provided with a protrusion that blocks a part of the flow channel, the flow velocity of the water flowing through the flow channel can be adjusted. For example, it is possible to prevent water from leaking beyond the flow channel because the flow velocity is too high.
It is preferable to provide a plurality of protrusions at predetermined intervals in the water flow direction.

さらに、本発明の空気調和装置の室内機では、前記底面は、長手方向の一方向に向かって全体が傾斜するとともに、該長手方向に直交する幅方向の一方向に向かって全体が傾斜することを特徴とする。 Further, in the indoor unit of the air conditioner of the present invention, the entire bottom surface is inclined in one direction in the longitudinal direction and the entire bottom surface is inclined in one direction in the width direction orthogonal to the longitudinal direction. It is characterized by.

流水路の底面を長手方向の一方向に向かって全体を傾斜させるとともに、幅方向の一方向に向かって全体を傾斜させるようにしたので、流水路に流れ込んだ水は、長手方向に一方向に集められるとともに幅方向の一方向に集められる。したがって、底面に突起を設ける際に、水の流速を調整するために効果的な位置に設定することができる。 Since the bottom surface of the flow channel is tilted in one direction in the longitudinal direction and the entire bottom surface is tilted in one direction in the width direction, the water flowing into the flow channel is tilted in one direction in the longitudinal direction. It is collected and collected in one direction in the width direction. Therefore, when the protrusion is provided on the bottom surface, it can be set to an effective position for adjusting the flow velocity of water.

さらに、本発明の空気調和装置の室内機では、前記突起は、前記底面の前記幅方向において最も低い位置である壁部に接して設けられ、前記突起の前記幅方向の長さは、水が該突起を迂回して流れるように前記底面の前記幅方向の長さよりも短くされ、前記突起の水の流れる方向における上流側の面が、前記長手方向に対して直交し、または前記流水路の上流側に傾斜していることを特徴とする。
Further, in the indoor unit of the air conditioner of the present invention, the protrusion is provided in contact with the wall portion which is the lowest position in the width direction of the bottom surface, and the length of the protrusion in the width direction is water. It is made shorter than the length of the bottom surface in the width direction so as to flow around the protrusion, and the surface of the protrusion on the upstream side in the water flow direction is orthogonal to the longitudinal direction or of the flow channel. It is characterized by being inclined to the upstream side.

幅方向の一方向側に位置する壁部は、底部の幅方向において最も低い位置となるので水が集まる位置となる。この壁部に接するように突起を設けることで、効果的に水の流速を調整することができる。
突起は、壁部の延在方向に対して直交する方向に設けても良い。または、壁部の延在方向に対して直交する方向に対して所定角度傾斜させて延在させても突起部を設けても良い。水の流れ方向に向かうように突起を傾斜させると、突起による流れ抵抗が大きくなり流速をより低減できる。水の流速の低減効果を控えたい場合には、水の流れ方向に沿うように傾斜させて突起を設けると良い。 The wall portion located on the unidirectional side in the width direction is the lowest position in the width direction of the bottom portion, so that it is a position where water collects. By providing the protrusion so as to be in contact with the wall portion, the flow velocity of water can be effectively adjusted.
The protrusions may be provided in a direction orthogonal to the extending direction of the wall portion. Alternatively, the wall portion may be extended by inclining a predetermined angle with respect to the direction orthogonal to the extending direction of the wall portion, or a protrusion may be provided. By inclining the protrusions in the direction of water flow, the flow resistance due to the protrusions increases and the flow velocity can be further reduced. If it is desired to suppress the effect of reducing the flow velocity of water, it is advisable to provide protrusions by inclining along the flow direction of water.

さらに、本発明の空気調和装置の室内機では、前記突起の中間位置に切欠が形成されていることを特徴とする。 Further, the indoor unit of the air conditioner of the present invention is characterized in that a notch is formed at an intermediate position of the protrusion.

突起の中間位置に切欠を形成することで、切欠を水が通過する際に流速を低減することができる。この切欠の大きさを適宜変更することによって水の流速を調整することができる。 By forming a notch at the intermediate position of the protrusion, the flow velocity can be reduced when water passes through the notch. The flow velocity of water can be adjusted by appropriately changing the size of this notch.

さらに、本発明の参考例としての空気調和装置の室内機では、前記突起は、タイル状に並べられていることを特徴とする。 Further, in the indoor unit of the air conditioner as a reference example of the present invention, the protrusions are arranged in a tile shape.

突起をタイル状に並べることで、突起間を流れる水の流速を低減することができる。突起間の間隔を適宜変更することによって水の流速を調整することができる。 By arranging the protrusions in a tile shape, the flow velocity of water flowing between the protrusions can be reduced. The flow velocity of water can be adjusted by appropriately changing the distance between the protrusions.

流水路の底面に流水路の一部を遮る突起を設けることとしたので、流水路を流れる凝縮水の流速を適正に調整することができる。 Since it is decided to provide a protrusion on the bottom surface of the flow channel to block a part of the flow channel, the flow velocity of the condensed water flowing through the flow channel can be appropriately adjusted.

本発明の一実施形態に係る空気調和装置の室内機を示した斜視図である。It is a perspective view which showed the indoor unit of the air conditioner which concerns on one Embodiment of this invention. 図１の室内機の内部を示した斜視図である。It is a perspective view which showed the inside of the indoor unit of FIG. 流水路が部分拡大して示されており、（ａ）は平面図、（ｂ）は斜視図である。The flow channel is shown in a partially enlarged view, (a) is a plan view, and (b) is a perspective view. 第１変形例の流水路が部分拡大して示されており、（ａ）は平面図、（ｂ）は斜視図である。The flow channel of the first modification is shown in a partially enlarged view, (a) is a plan view, and (b) is a perspective view. 第２変形例の流水路が部分拡大して示されており、（ａ）は平面図、（ｂ）は斜視図である。The flow channel of the second modification is shown in a partially enlarged view, (a) is a plan view, and (b) is a perspective view. 参考変形例の流水路が部分拡大して示されており、（ａ）は平面図、（ｂ）は斜視図である。 The running water channel of the reference modification is shown in a partially enlarged view, (a) is a plan view, and (b) is a perspective view.

以下に、本発明にかかる一実施形態について、図面を参照して説明する。
図１には、空気調和装置の室内機１の外観が示されている。室内機１は、壁掛形とされており、上方から室内空気を吸い込み、下方から室内へと空調後の空気を吹き出す。室内機１は、図示しない室外機と接続されており、室外機にて圧縮された冷媒の供給を受け、室内機１の内部に設けられた室内熱交換器によって室内の空気を所定温度に調整する。 Hereinafter, an embodiment according to the present invention will be described with reference to the drawings.
FIG. 1 shows the appearance of the indoor unit 1 of the air conditioner. The indoor unit 1 has a wall-mounted type, sucks indoor air from above, and blows out air after air conditioning from below to the room. The indoor unit 1 is connected to an outdoor unit (not shown), receives the supply of the refrigerant compressed by the outdoor unit, and adjusts the indoor air to a predetermined temperature by the indoor heat exchanger provided inside the indoor unit 1. do.

図２には、室内機１の本体の内部が示されている。同図では、室内熱交換器やファンが取り外された状態が示されている。室内の壁部に設置されるベースプレート３には、室内熱交換器等にて凝縮したドレン水が導かれる流水路５が形成されている。流水路５は、ベースプレート３の左右方向（水平方向）に延在する溝部とされている。 FIG. 2 shows the inside of the main body of the indoor unit 1. The figure shows the indoor heat exchanger and fan removed. The base plate 3 installed on the wall of the room is formed with a water flow channel 5 through which drain water condensed by an indoor heat exchanger or the like is guided. The water flow channel 5 is a groove portion extending in the left-right direction (horizontal direction) of the base plate 3.

流水路５は、室内機１の左端において下方へ向かうように形成されている。この流水路５の下端から流下するドレン水を受けるように、ベースプレート３の下方にドレンパン７が設けられている。ドレンパン７は、ドレン水を一時的に貯留して室内機１の外部へ排出する。 The water flow channel 5 is formed so as to face downward at the left end of the indoor unit 1. A drain pan 7 is provided below the base plate 3 so as to receive the drain water flowing down from the lower end of the flow channel 5. The drain pan 7 temporarily stores the drain water and discharges it to the outside of the indoor unit 1.

流水路５の底面は、左側が下方となるように長手方向の全体が傾斜しており、かつ、手前側（室内機前方側）が下方に幅方向の全体が傾斜している。これによりドレン水が左方でかつ手前側へと導かれるようになっている。なお、流水路５の傾斜方向はもちろん右方や奥側（室内機後方側）としても良い。 The entire bottom surface of the water flow channel 5 is inclined in the longitudinal direction so that the left side is downward, and the entire front side (front side of the indoor unit) is inclined downward in the width direction. As a result, the drain water is guided to the left side and the front side. It should be noted that the inclination direction of the flowing water channel 5 may of course be on the right side or the back side (rear side of the indoor unit).

図３には、流水路５の部分拡大図が示されている。流水路５は、室内機１の手前側（同図において上方）に壁部５ｂが形成されており、この壁部５ｂに沿ってドレン水は左方から右方へと流れる。すなわち、流水路５の底面５ａは、左方から右方に向かうＤ１方向に下方へ傾斜しており、かつ、室内機１の手前側に向かうＤ２方向に下方へ傾斜している。 FIG. 3 shows a partially enlarged view of the running water channel 5. In the flow channel 5, a wall portion 5b is formed on the front side (upper side in the figure) of the indoor unit 1, and drain water flows from the left side to the right side along the wall portion 5b. That is, the bottom surface 5a of the water flow channel 5 is inclined downward in the D1 direction from the left to the right, and is inclined downward in the D2 direction toward the front side of the indoor unit 1.

流水路５の底面には、上方に突出するリブ（突起）１１が設けられている。リブ１１は、壁部５ｂの長手方向に所定間隔をおいて複数設けられている。リブ１１は、壁部５ｂに接し、壁部５ｂの延在方向に対して直交する方向に延在している。リブ１１の延在方向の長さは、流水路５の幅よりも小さくされており、流水路５の一部を遮るようになっている。リブ１１によって、矢印で示すように、ドレン水がリブ１１を迂回するように流れる。これにより、流水路５を流れるドレン水の流速が低減される。 A rib (projection) 11 projecting upward is provided on the bottom surface of the water flow channel 5. A plurality of ribs 11 are provided at predetermined intervals in the longitudinal direction of the wall portion 5b. The rib 11 is in contact with the wall portion 5b and extends in a direction orthogonal to the extending direction of the wall portion 5b. The length of the rib 11 in the extending direction is smaller than the width of the water flow channel 5, so as to block a part of the water flow channel 5. The ribs 11 allow drain water to bypass the ribs 11, as indicated by the arrows. As a result, the flow velocity of the drain water flowing through the running water channel 5 is reduced.

上述の室内機１によれば、以下の作用効果を奏する。
流水路５の底面５ａに流水路５の一部を遮るリブ１１を設けることとしたので、流水路５を流れるドレン水の流速を調整することができる。これにより、底面５ａの傾斜が想定以上に大きく傾斜して室内機１が設置された場合であっても、ドレン水の流速が大きすぎてドレン水が流水路５を越えて漏出してしまうことを防止することができる。 According to the indoor unit 1 described above, the following effects are exhibited.
Since the rib 11 that blocks a part of the flowing water channel 5 is provided on the bottom surface 5a of the flowing water channel 5, the flow velocity of the drain water flowing through the flowing water channel 5 can be adjusted. As a result, even when the indoor unit 1 is installed with the bottom surface 5a tilted more than expected, the flow velocity of the drain water is too large and the drain water leaks beyond the flow channel 5. Can be prevented.

流水路５の底面５ａを長手方向の一方向に向かって全体を傾斜させるとともに、幅方向の一方向に向かって全体を傾斜させるようにしたので、流水路５に流れ込んだドレン水は、長手方向に一方向に集められるとともに幅方向の壁部５ｂ側に集められる。したがって、底面５ａにリブ１１を設ける際に、ドレン水の流速を調整するために効果的な位置に設定することができる。 Since the bottom surface 5a of the water flow channel 5 is tilted in one direction in the longitudinal direction and the entire bottom surface 5a is tilted in one direction in the width direction, the drain water flowing into the water flow channel 5 is inclined in the longitudinal direction. It is collected in one direction and on the wall portion 5b side in the width direction. Therefore, when the rib 11 is provided on the bottom surface 5a, it can be set at an effective position for adjusting the flow velocity of the drain water.

壁部５ｂは、底面５ａの幅方向において最も低い位置となるのでドレン水が集まる位置となる。この壁部５ｂに接するようにリブ１１を設けることで、効果的に水の流速を調整することができる。
また、リブ１１の長さや高さを変化させることで、ドレン水の流速を調整することができる。 Since the wall portion 5b is at the lowest position in the width direction of the bottom surface 5a, it is a position where drain water collects. By providing the rib 11 so as to be in contact with the wall portion 5b, the flow velocity of water can be effectively adjusted.
Further, the flow velocity of the drain water can be adjusted by changing the length and height of the rib 11.

なお、本実施形態のリブ１１の形状は、以下のように変形することができる。 The shape of the rib 11 of the present embodiment can be deformed as follows.

［第１変形例］
図４に示すように、壁部５ｂの延在方向に対して直交する方向に対して所定角度θだけ傾斜させてリブ１２を設置しても良い。同図に示したように水の流れ方向に沿うようにリブ１２を傾斜させて突起を設けると、ドレン水の流速の低減効果を抑えることができる。
また、図４に示した方向と反対方向に傾斜させて水の流れ方向に向かうようにリブを傾斜させると、リブによる流れ抵抗が大きくなり流速をより低減できる。 [First modification]
As shown in FIG. 4, the rib 12 may be installed by inclining the wall portion 5b by a predetermined angle θ with respect to the direction orthogonal to the extending direction. As shown in the figure, if the rib 12 is inclined so as to be provided along the flow direction of the water and the protrusion is provided, the effect of reducing the flow velocity of the drain water can be suppressed.
Further, when the rib is tilted in the direction opposite to the direction shown in FIG. 4 and the rib is tilted toward the water flow direction, the flow resistance due to the rib is increased and the flow velocity can be further reduced.

［第２変形例］
図５に示すように、リブ１３の中間位置に切欠１３ａを形成しても良い。
切欠１３ａをドレン水が通過する際に流速を低減することができる。この切欠１３ａの大きさを適宜変更することによってドレン水の流速を調整することができる。 [Second modification]
As shown in FIG. 5, a notch 13a may be formed at an intermediate position of the rib 13.
The flow velocity can be reduced when the drain water passes through the notch 13a. The flow velocity of the drain water can be adjusted by appropriately changing the size of the notch 13a.

［参考変形例］
図６に示すように、リブ１４をタイル状に並べても良い。
リブ１４をタイル状に並べることで、リブ１４間を流れるドレン水の流速を低減することができる。同図に示すように、リブ１４を千鳥状に配置することで、よりドレン水の流速の低減効果を得ることができる。
また、リブ１４間の間隔を適宜変更することによって水の流速を調整することができる。なお、リブ１４の形状は、同図に示したように平面視した場合に四角形状とされている場合に限らず、３角形や５角形以上の多角形としても良いし、円形や楕円形としても良い。 [ Reference transformation example]
As shown in FIG. 6, the ribs 14 may be arranged in a tile shape.
By arranging the ribs 14 in a tile shape, the flow velocity of the drain water flowing between the ribs 14 can be reduced. As shown in the figure, by arranging the ribs 14 in a staggered pattern, the effect of further reducing the flow velocity of the drain water can be obtained.
Further, the flow velocity of water can be adjusted by appropriately changing the interval between the ribs 14. The shape of the rib 14 is not limited to a quadrangular shape when viewed in a plan view as shown in the figure, but may be a triangle or a polygon of pentagon or more, and may be a circle or an ellipse. Is also good.

１ 室内機
３ ベースプレート
５ 流水路
５ａ 底面
５ｂ 壁部
７ ドレンパン
１１，１２，１３，１４ リブ（突起）
１３ａ 切欠 1 Indoor unit 3 Base plate 5 Flow channel 5a Bottom 5b Wall 7 Drain pan 11, 12, 13, 14 Ribs (projections)
13a notch

Claims (2)

本体内にて凝縮した水を受けて排出する流水路を備え、
前記流水路の底面には、該流水路の一部を遮る突起が設けられ、
前記底面は、長手方向の一方向に向かって全体が傾斜するとともに、該長手方向に直交する幅方向の一方向に向かって全体が傾斜し、
前記突起は、前記底面の前記幅方向において最も低い位置である壁部に接しかつ前記幅方向に延在して設けられ、
前記突起の前記幅方向の長さは、水が該突起を迂回して流れるように前記底面の前記幅方向の長さよりも短くされ、
前記突起の水の流れる方向における上流側の面が、前記長手方向に対して直交し、または前記流水路の上流側に傾斜していることを特徴とする空気調和装置の室内機。 Equipped with a running channel that receives and discharges condensed water inside the main body
A protrusion that blocks a part of the water channel is provided on the bottom surface of the water channel.
The entire bottom surface is inclined in one direction in the longitudinal direction and is inclined in one direction in the width direction orthogonal to the longitudinal direction.
The protrusion is provided in contact with the wall portion of the bottom surface, which is the lowest position in the width direction, and extends in the width direction.
The length of the protrusion in the width direction is made shorter than the length of the bottom surface in the width direction so that water flows around the protrusion.
An indoor unit of an air conditioner, characterized in that the surface of the protrusion on the upstream side in the water flow direction is orthogonal to the longitudinal direction or inclined to the upstream side of the water flow channel. 前記突起の中間位置に切欠が形成されていることを特徴とする請求項１に記載の空気調和装置の室内機。 The indoor unit of the air conditioner according to claim 1, wherein a notch is formed at an intermediate position of the protrusion.
JP2017090444A 2017-04-28 2017-04-28 Indoor unit of air conditioner Active JP6925858B2 (en)

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JP2017090444A JP6925858B2 (en) 2017-04-28 2017-04-28 Indoor unit of air conditioner
AU2018102198A AU2018102198A4 (en) 2017-04-28 2018-03-16 Indoor unit of air conditioner
PCT/JP2018/010370 WO2018198584A1 (en) 2017-04-28 2018-03-16 Indoor unit of air conditioner
EP18791438.7A EP3531038A4 (en) 2017-04-28 2018-03-16 Indoor unit of air conditioner
AU2018259336A AU2018259336A1 (en) 2017-04-28 2018-03-16 Indoor unit of air conditioner

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KR102252569B1 (en) * 2019-10-08 2021-05-17 주식회사 파세코 Window type air-conditioner having condensate dry function
JP7685449B2 (en) * 2022-02-02 2025-05-29 株式会社コロナ Air conditioners

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EP3531038A1 (en) 2019-08-28
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JP2018189280A (en) 2018-11-29
EP3531038A4 (en) 2019-10-23

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