CN105485783B - A kind of air conditioner indoor unit - Google Patents

A kind of air conditioner indoor unit Download PDF

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Publication number
CN105485783B
CN105485783B CN201610061609.9A CN201610061609A CN105485783B CN 105485783 B CN105485783 B CN 105485783B CN 201610061609 A CN201610061609 A CN 201610061609A CN 105485783 B CN105485783 B CN 105485783B
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CN
China
Prior art keywords
air
inlet
indoor
outdoor
centrifugal blower
Prior art date
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Application number
CN201610061609.9A
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Chinese (zh)
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CN105485783A (en
Inventor
王伟戈
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.)
Hisense Guangdong Air Conditioning Co Ltd
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Hisense Guangdong Air Conditioning Co Ltd
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Priority to CN201610061609.9A priority Critical patent/CN105485783B/en
Publication of CN105485783A publication Critical patent/CN105485783A/en
Application granted granted Critical
Publication of CN105485783B publication Critical patent/CN105485783B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022Centrifugal or radial fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/16Centrifugal pumps for displacing without appreciable compression
    • F04D17/162Double suction pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0035Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F24F1/0038Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/12Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F2007/0025Ventilation using vent ports in a wall
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/17Details or features not otherwise provided for mounted in a wall

Abstract

The invention discloses a kind of air conditioner indoor unit, are related to air-conditioning technical field, are invented less to solve the problems, such as that the air-conditioning resistive drag force ability with fresh air system is weak in the prior art, obtains fresh air volume.A kind of air conditioner indoor unit of the present invention, including housing, indoor air inlet, outdoor air inlet and air outlet are offered on the housing, the centrifugal blower of both sides air inlet is equipped in the housing, the centrifugal blower includes the first inlet side, the second inlet side and air side, first inlet side is oppositely arranged with the indoor air inlet, second inlet side is oppositely arranged with the outdoor air inlet, the air side is oppositely arranged with the air outlet, and heat exchanger is equipped between first inlet side and the indoor air inlet.A kind of air conditioner indoor unit of the present invention is used to adjust indoor air themperature and quality.

Description

A kind of air conditioner indoor unit
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of air conditioner indoor unit.
Background technology
As people increasingly pay attention to air quality problems, air clearing product is becoming increasingly popular.On existing market Air purifier, room air is sucked into its inner cavity, then will be after the pollutant process in air by adsorbing, decomposing or convert Again interior is discharged into, realizes the improvement of air quality, but air purifier is for a long time in closed indoor use, it is new because not introducing Wind causes the oxygen content in air to be gradually reduced, and can feel more bored when breathing indoors, it is then desired to open a window every a period of time Ventilation, if Outdoor Air Quality is poor, untreated wind is directly blown into interior, then the indoor air of script can be made to become again Difference.
The existing air-conditioning with fresh air system, generally using cross flow fan, cross flow fan is by housing part to open wide to make gas Stream directly radially enters wind turbine, and the wind-force of air inlet is relatively concentrated, and part flabellum bears larger pressure, thus, through-flow The resistive drag force ability of wind turbine is weaker, and air-flow needs to be forced to turn back in impeller, and the loss of air is larger at pressure head, obtains Fresh air volume it is too small, air exchanging rate is slow, and ventilation effect is bad.
Invention content
The embodiment of the present invention provides a kind of air conditioner indoor unit, can solve in the prior art because of the air-conditioning with fresh air system Resistive drag force ability is weak, obtains the problem of fresh air volume is few.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that:
A kind of air conditioner indoor unit, which is characterized in that including housing, offered on the housing indoor air inlet, it is outdoor into Air port and air outlet, are equipped with the centrifugal blower of both sides air inlet in the housing, and the centrifugal blower includes the first inlet side, the Two inlet sides and air side, first inlet side are oppositely arranged with the indoor air inlet, second inlet side and institute It states outdoor air inlet to be oppositely arranged, the air side is oppositely arranged with the air outlet, first inlet side and the interior Heat exchanger is equipped between air inlet.
Air conditioner indoor unit provided in an embodiment of the present invention, due to the centrifugal blower that is set in housing include the first inlet side and Second inlet side, the first inlet side are oppositely arranged with indoor air inlet, and are equipped with heat exchanger between the two, and wind is from indoor air inlet Into in air-conditioning, after being exchanged heat with heat exchanger, then from indoor air outlet discharge, complete to adjust the function of indoor air temperature; The second inlet side and the outdoor air inlet of centrifugal blower are oppositely arranged, outdoor air from outdoor air inlet through the second inlet side into Enter centrifugal blower, because centrifugal blower is that air inlet is opened up on chassis axial side plate, air-flow enters axially into centrifugal blower, owns The contact area of flabellum while stress, air and flabellum is big, thus, the resistive drag force ability of centrifugal blower is stronger, and intake is big, from And the air output that the air side through centrifugal blower is blown out from indoor air outlet is also relatively large, the air exchanging rate of air-conditioning is fast, overcomes The defects of prior art, improves the efficiency of fresh air for air conditioner.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of air conditioner indoor unit in the embodiment of the present invention;
Fig. 2 is that air conditioner indoor unit is mounted on the structure diagram on wall in the embodiment of the present invention;
Fig. 3 is the centrifugal blower front view of air conditioner indoor unit in the embodiment of the present invention;
Fig. 4 is the centrifugal blower three dimensional structure diagram of air conditioner indoor unit in the embodiment of the present invention;
Fig. 5 is the left view of the centrifugal blower of air conditioner indoor unit in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ", The orientation or position relationship of the instructions such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings Orientation or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
With reference to Fig. 1, air conditioner indoor unit includes housing (not shown), and housing is equipped with indoor air inlet 1 and interior goes out Air port 3, centrifugal blower 4 are set in housing, heat exchanger 5 are equipped between centrifugal blower 4 and indoor air inlet 1, air is with changing After hot device 5 carries out heat exchange, through centrifugal blower 4, blown out from indoor air outlet 3.
The air conditioner indoor unit of the embodiment of the present invention including housing, opens up indoor air inlet 1,2 and of outdoor air inlet on housing Indoor air outlet 3, the interior centrifugal blower 4 installed of housing, equipped with the first inlet side 41 and the second inlet side 42, the first inlet side 41 It is oppositely arranged with indoor air inlet 1, and is equipped with heat exchanger 5 between the two, the second inlet side 42 is opposite with outdoor air inlet 2 to be set It puts, centrifugal blower 4 is additionally provided with air side 43, as shown in Fig. 1~2.
Air conditioner indoor unit provided in an embodiment of the present invention, since the centrifugal blower 4 set in housing includes the first inlet side 41 and second inlet side 42, the first inlet side 41 be oppositely arranged with indoor air inlet 1, and be equipped with heat exchanger 5 between the two, wind from Indoor air inlet 1 enters in air-conditioning, after being exchanged heat with heat exchanger 5, then discharges from indoor air outlet 3, completes to adjust Interior Space The function of temperature degree;The second inlet side 42 and the outdoor air inlet 2 of centrifugal blower 4 are oppositely arranged, outdoor air from outdoor into Air port 2 enters centrifugal blower 4 through the second inlet side 42, because centrifugal blower 4 is that air inlet, air-flow are opened up on chassis axial side plate Entering axially into centrifugal blower 4, all flabellums stress simultaneously, the contact area of air and flabellum is big, thus, centrifugal blower 4 Resistive drag force ability is stronger, and intake is big, so as to the air output that the air side 43 through centrifugal blower 4 is blown out from indoor air outlet 3 Relatively large, the air exchanging rate of air-conditioning is fast, the defects of overcoming the prior art, improves the efficiency of fresh air for air conditioner.
Centrifugal blower 4 includes axial fan hub 44, and the lower edges of 44 periphery of axial fan hub are equipped with shroud 45, hub disk 46, and Isolation board is equipped between shroud 45 and hub disk 46, the air side 43 of centrifugal blower 4 is separated into preceding air side and rear air side.If Air-conditioning is only freezed or heating operation, and room air is only capable of entering from the first inlet side 41 of centrifugal blower 4, finally from close The preceding air side blowout of shroud 45;If air-conditioning carries out fresh air cycle, air only enters from the second inlet side 42, finally from after The rear air side blowout of disk 46, outlet air are less efficient.It is therefore preferred that axial fan hub of the embodiment of the present invention in centrifugal blower 4 The first air inlet of connection and the conduction hole 47 of the second inlet side 42 are opened up on 44, as seen in figures 3-5, in this way when centrifugal blower 4 is single When side is entered the wind, air not only can be from the preceding air side of corresponding side/rear air side blowout, and partial air passes through conduction hole 47 Outflow, then through the preceding air side of 4 opposite side of centrifugal blower/after air side blow out, because of the outlet air simultaneously of preceding air side and rear air side, So the outlet air efficiency of air-conditioning is higher, and it ensure that centrifugal blower 4 also can highly effective low noise operation in single admission.
Further, if opening up several conduction holes 47 at random in axial fan hub 44, air through conduction hole 47 enter it is another go out The air of wind side is differed along the axial air quantity of centrifugal blower 4, then the outlet air in 3 each region of indoor air outlet is uneven, therefore, excellent Selection of land, the embodiment of the present invention uniformly open up multiple conduction holes 47 around the axial direction of centrifugal blower 4, and the air of centrifugal blower 4 can edge The axial direction of centrifugal blower 4 uniformly flows into another air side from conduction hole 47, and each region outlet air of indoor air outlet 3 is evenly.
Specifically, indoor air door is equipped at indoor air inlet 1, indoor air inlet 1 can be opened or be closed by indoor air door It closes;Outdoor air door is equipped at outdoor air inlet 2, it can be by 2 open or close of outdoor air inlet by outdoor air door.Work as room air When quality is better than outdoor air, opens indoor air door and close outdoor air door, air-conditioning is only freezed or heating operation;Work as outdoor When air quality is better than room air, opens outdoor air door and close indoor air door, operation of air conditioner fresh air system carries out ventilation behaviour Make, outdoor air is transferred to interior, effectively improves the quality of room air.Especially when being freezed in summer, if outdoor When temperature is less than indoor temperature, air door in closable chamber only opens outdoor air door, and air-conditioning carries out independent inletting fresh air operating, energy Enough energy consumptions for effectively reducing air-conditioning.
Further, if the temperature difference of outdoor air and room air is larger, outdoor air door is directly opened, outdoor air is big Amount pours in interior, indoor temperature can be caused to decline suddenly, easily causes the diseases such as flu, thus, wind outside room of the embodiment of the present invention Door aperture be arranged to it is adjustable, such as using fresh air valve 21 come the aperture of air door outside regulation room.According to actual needs, by new The aperture of the outer air door of 21 regulation room of air valve, makes outdoor air gradually flow into interior, indoor temperature change generated in case is slower, is not easy to cause disease Disease, better user experience.
If indoor oxygen content in air declines, but outdoor air quality is poor, and the air being directly blown into from outdoor can be dirty Indoor air is contaminated, indoor air quality is caused to decline.It is therefore preferred that the second of the centrifugal blower 4 of the embodiment of the present invention Air-purifying module 6 is additionally provided between inlet side 42 and outdoor air inlet 2, outdoor air is empty after the processing of air-purifying module 6 Makings amount increases, and therefore, after flow of outside air enters interior, the oxygen content and quality of room air get a promotion.
If in addition, when the quality of outdoor air and room air is poor, outdoor air door operation fresh air system, room are opened Outer air is got in after the processing of air-purifying module 6, improves indoor air quality, but because outdoor air and room air it Between the temperature that generally has the temperature difference, outdoor air and make room air after getting in change, thus, room air need again into Trip temperature is adjusted, and causes energy consumption higher.Preferably, the embodiment of the present invention corresponds to the position of air-purifying module 6 on housing and opens Equipped with indoor purifying air inlet, room air can directly be entered by indoor purifying air inlet in air-conditioning, through air-purifying module 6 Treated air, then discharged from indoor air outlet 3, indoor air quality is improved, and is handled through air-purifying module 6 Room air afterwards reenters interior, will not cause the temperature change of room air, thus the process is not required to temperature adjusting, energy It consumes relatively low.
Indoor purifying air inlet is additionally provided with purification inlet air door, and purification inlet air door can open indoor purifying air inlet Or it is closed.When not needing to carry out indoor air purification, purification air door is closed, reduces energy consumption.
Similarly, the aperture of above-mentioned purification inlet air door is also adjustable, and the embodiment of the present invention is using purification air door 61 adjust the aperture of inlet air door.When room air is better than outdoor, fresh air valve 21 and purification air door 61 are turned off, empty Transfer in row refrigeration or heating operation;When indoor air quality declines, purification inlet air door and outdoor air door are opened, and according to tool Body situation adjusts the aperture of purification inlet air door and by the adjusting air chamber of fresh air valve 21 by purifying air door 61 The aperture of outer air door makes air-conditioning be carried out at the same time the purification of room air, fresh air cycle and temperature and adjusts;If air-conditioning is carried out at the same time system Cool tone section and air purification operating are, it can be achieved that cold wind and purification normal temperature air premixing, the air of air outlet blowout, temperature are cool Without ice, the comfort of temperature is improved;When indoor temperature does not need to adjust, indoor air door is closed by motion, is beaten Purification inlet air door and purification air door 61 are opened, carries out individual air purification operating, and according to the oxygen content of room air, The aperture of fresh air valve 21 is adjusted, control flow of outside air enters indoor speed, improves the quality and oxygen content of room air.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (7)

1. a kind of air conditioner indoor unit, which is characterized in that including housing, indoor air inlet, outdoor air inlet are offered on the housing Mouth and air outlet, the interior centrifugal blower for being equipped with both sides air inlet of the housing, the centrifugal blower include the first inlet side, second Inlet side and air side, first inlet side are oppositely arranged with the indoor air inlet, second inlet side with it is described Outdoor air inlet is oppositely arranged, and the air side is oppositely arranged with the air outlet, first inlet side with it is described it is indoor into Heat exchanger is equipped between air port;
The centrifugal blower includes axial fan hub, offers to connect first inlet side and second on the axial fan hub The conduction hole of inlet side.
2. air conditioner indoor unit according to claim 1, which is characterized in that the conduction hole is multiple and around the centrifugation The axis of wind turbine is uniformly distributed.
3. air conditioner indoor unit according to claim 1, which is characterized in that indoor air door is equipped at the indoor air inlet, The interior air door can be by the indoor air inlet open or close;Outdoor air door, the room are equipped at the outdoor air inlet Outer air door can be by the outdoor air inlet open or close.
4. air conditioner indoor unit according to claim 3, which is characterized in that the aperture of the outdoor air door is adjustable.
5. air conditioner indoor unit according to claim 1, which is characterized in that the second inlet side of the centrifugal blower with it is described Air-purifying module is equipped between outdoor air inlet.
6. air conditioner indoor unit according to claim 5, which is characterized in that the housing corresponds to the air-purifying module Position offers indoor purifying air inlet.
7. air conditioner indoor unit according to claim 6, which is characterized in that the indoor purifying air inlet be equipped with purify into Wind air door.
CN201610061609.9A 2016-01-28 2016-01-28 A kind of air conditioner indoor unit Active CN105485783B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610061609.9A CN105485783B (en) 2016-01-28 2016-01-28 A kind of air conditioner indoor unit

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201610061609.9A CN105485783B (en) 2016-01-28 2016-01-28 A kind of air conditioner indoor unit
PCT/CN2016/103444 WO2017128785A1 (en) 2016-01-28 2016-10-26 Air conditioner indoor unit
EP16887658.9A EP3410023A4 (en) 2016-01-28 2016-10-26 Air conditioner indoor unit
US16/048,877 US20180335222A1 (en) 2016-01-28 2018-07-30 Air conditioner indoor unit

Publications (2)

Publication Number Publication Date
CN105485783A CN105485783A (en) 2016-04-13
CN105485783B true CN105485783B (en) 2018-07-03

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Country Status (4)

Country Link
US (1) US20180335222A1 (en)
EP (1) EP3410023A4 (en)
CN (1) CN105485783B (en)
WO (1) WO2017128785A1 (en)

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EP3410023A4 (en) 2019-09-11
WO2017128785A1 (en) 2017-08-03
EP3410023A1 (en) 2018-12-05
US20180335222A1 (en) 2018-11-22

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