EP2518418B1 - Gebläsekonvektor - Google Patents

Gebläsekonvektor Download PDF

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Publication number
EP2518418B1
EP2518418B1 EP12165745.6A EP12165745A EP2518418B1 EP 2518418 B1 EP2518418 B1 EP 2518418B1 EP 12165745 A EP12165745 A EP 12165745A EP 2518418 B1 EP2518418 B1 EP 2518418B1
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EP
European Patent Office
Prior art keywords
delivery
fan
opening
delivery opening
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12165745.6A
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English (en)
French (fr)
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EP2518418A1 (de
Inventor
Valerio Giordano Riello
Matteo Totaro
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.)
Giordano Riello International Group SpA
Original Assignee
Giordano Riello International Group SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giordano Riello International Group SpA filed Critical Giordano Riello International Group SpA
Priority to SI201231424T priority Critical patent/SI2518418T1/sl
Priority to PL12165745T priority patent/PL2518418T3/pl
Priority to RS20181251A priority patent/RS57891B1/sr
Publication of EP2518418A1 publication Critical patent/EP2518418A1/de
Application granted granted Critical
Publication of EP2518418B1 publication Critical patent/EP2518418B1/de
Priority to HRP20181719TT priority patent/HRP20181719T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre

Definitions

  • the present invention refers to a fan convector.
  • a fan convector typically comprises a casing inside which a finned heat exchanger is housed, which is equipped with a coil, for the circulation of a heat exchange fluid and a fan group that creates a forced convection of the air through the finned exchanger from a lower intake opening to an upper delivery opening.
  • the heat comfort level perceived by the occupants of a building depends on various factors such as: air speed, temperature, humidity, etc.
  • Common vertical delivery fan convectors offer excellent performance in hot weather in which cooling is needed but in cold weather, when the room needs to be heated, the vertical release of air is not the best choice since it promotes the natural thermal stratification inside the room.
  • the hot air which is less dense, tends to occupy the top part of the room, leaving the volume below to colder air with a consequent reduction in perceived comfort.
  • fan convectors of the aforementioned type are provided by documents CN 2716696 , EP 1 628 028 and JP 11-237067 .
  • Chinese utility model CN 2716696 describes a fan convector that comprises a casing having two openings for the passage of air, a heat exchanger and a fan group to cause a circulation of air inside the unit and through the heat exchanger.
  • the two openings for the air are arranged on the front side, respectively in the upper and lower part of the casing and they are intended to operate without distinction as air intake and delivery openings, according to the operating mode of the fan convector, i.e. for heating in the winter and for cooling in the summer.
  • Two flow diverters are positioned inside the casing, each of which can be commanded to pass between a heating configuration and a cooling configuration.
  • the two flow diverters are rotated into a position such that the fan group sucks air from the lower opening, sends such sucked air to the heat exchanger - in which a cooling fluid circulates - and discharges the treated air through the upper opening.
  • the two flow diverters rotate into a position such that the air enters from the upper opening, is treated by the heat exchanger - in which a heating fluid circulates - and is sucked in and discharged by the fan group through the lower opening.
  • European patent application EP 1 628 028 describes a fan convector that comprises a casing with an intake opening and two delivery openings respectively arranged above and below the intake opening. Inside the casing a fan group and two heat exchangers are housed. The fan group is positioned centrally at the intake opening whereas the two heat exchangers are positioned at a respective delivery opening. Between the fan group and the two heat exchangers respective control guides are arranged that make it possible to block the airflow directed towards one of the two heat exchangers. Precisely, in heating mode, the flow of air is directed just towards the lower heat exchanger so as to discharge hot air from the lower delivery opening whereas, in cooling mode, the flow of air is directed just towards the upper heat exchanger so as to discharge cold air from the upper delivery opening. In this way, a uniform cooling/heating of the room in which the fan convector is installed is obtained.
  • Japanese patent JP 11-237067 describes a fan convector with a casing having an air intake opening arranged at the rear and two air delivery openings, one arranged on the upper surface of the casing and the other arranged at the bottom on the front surface thereof.
  • the air entering from the intake opening is treated by a heat exchanger and sent by a fan group into the lower part of the casing where, through a deflector, the flow of air can be directed towards the lower delivery opening (heating operating mode) or towards the upper delivery opening (cooling operating mode) or towards both.
  • a further example of a fan convector is described in Japanese patent application JP 58-075641 .
  • Such a document describes a fan convector intended to be fixed to the ceiling.
  • the fan convector has an air intake opening and two air delivery openings. The air is discharged mainly forwards by closing the damper 27 whereas it is discharged partially forwards and partially downwards by opening the damper 27.
  • Such a solution is also ineffective in optimising operation in summer and winter mode.
  • JP 11-237068 discloses a fan connector where air sucked from a suction port provided at a rear upper part of a box body and subjected to heat exchange with a radiator is sent out forward or upward from a box body from a blowout port, at a front lower part or from an auxiliary blowout path connecting the top surface of the blowout port and the upper part of the box body.
  • an auxiliary blowout path is formed and an air direction changing plate is rotatably provided at a blowout port while an opening-closing plate is rotatably pivoted at a lower part of the auxiliary blowout path.
  • the air direction changing plate and the opening-closing plate are linked by linkage means to open the blowout port when hot air is sent out from the blowout port while the lower part of the auxiliary blowout path is closed by the opening-closing plate.
  • the blowout port is closed while the lower part of the auxiliary blowout path is opened by the opening-closing plate in linkage therewith.
  • the purpose of the present invention is to provide a fan convector having structural and functional characteristics such as to satisfy the aforementioned requirements and at the same time to avoid the aforementioned drawbacks with reference to the prior art.
  • Such a purpose is accomplished by a fan convector according to claim 1. Such a purpose is also accomplished by a method for operating a fan convector according to claim 8.
  • reference numeral 1 globally indicates a fan convector according to the present invention.
  • the fan convector 1 comprises a casing 2 inside which a heat exchanger 3 and a fan group 4 are arranged.
  • the casing 2 extends according to a longitudinal direction Y-Y between a lower end 2a and an upper end 2b.
  • the casing 2 comprises a support frame 5, preferably made from metallic material, which supports the heat exchanger 3 and the fan group 4 and a covering 6, preferably made from plastic material, which covers the frame 5 and the components supported by it.
  • the heat exchanger 3 has connections 7, 8 for the connection to a supply circuit of a heat exchange fluid.
  • the fan group 4 is arranged, with respect to the heat exchanger 3, so as to direct the flow of air discharged by it towards the heat exchanger 3 itself.
  • the fan group 4 comprises one or more fans and is coupled with an electric motor (not shown in the figures) suitable for setting the fans of the fan group 4 in rotation around a rotation axis.
  • the casing 2 has an intake opening 11 and a delivery chamber 20 with a first delivery opening 21 and a second delivery opening 22.
  • the intake opening 11 is arranged at the lower end 2a of the casing 2.
  • the first delivery opening 21 is positioned at the upper end 2b of the casing 2.
  • the second delivery opening 22 is positioned on a front side of the casing 2.
  • the second delivery opening 22 is formed in the upper portion of the front panel 6e and is closed through a grate 60 equipped with air deflection fins oriented so as to direct the flow of air discharged by the fan group 4 downwards.
  • the second delivery opening 22 is arranged at a height h comprised between half the overall height H of the fan convector and the overall height H of the fan convector 1.
  • the casing 2 has an intake chamber 10 having the intake opening 11 and a delivery chamber 20 downstream of the heat exchanger 3.
  • the fan group 4 is intended to suck in air from the intake opening 11 and discharge air towards the heat exchanger 3 and from this into the delivery chamber 20.
  • the fan group 4 is intended to suck in air from the intake opening 11 and discharge air towards the heat exchanger 3 and from this towards the two delivery openings 21 and 22.
  • the covering 6 of the casing 2 is defined by an upper panel 6a, a front panel 6e and two side panels 6c, whereas the frame 5 of the casing 2 is defined by a rear panel 5b, a lower panel 5d and two side panels 5c, connected together or made in one piece.
  • the intake opening 11 is formed in the lower panel 5d of the frame 5, the first delivery opening 21 is formed in the upper panel 6a of the covering and the second delivery opening 22 is formed in the front panel 6e of the covering 6.
  • the fan convector 1 comprises valve means 50 to intercept the flow of air flowing towards the delivery openings 21, 22 and allow the discharge of the air alternatively through the first delivery opening 21 or the second delivery opening 22.
  • valve means 50 are moveable between a first position associated with a heating operating mode and a second position associated with a cooling operating mode.
  • the valve means 50 are arranged to close the first delivery opening 21 so that the fan group 4 sucks in air from the intake opening 11 and discharges the air treated by the heat exchanger 3 from the second delivery opening 22. Therefore, in the first position, i.e. in the heating operating mode, the air sucked in from the lower end 2a is discharged from the front side of the fan convector 1.
  • the second position i.e. in the cooling operating mode (cf. Fig.
  • the valve means 50 are arranged to close the second delivery opening 22 so that the fan group 4 sucks in air from the intake opening 11 and discharges the air treated by the heat exchanger 3 from the first delivery opening 21. Therefore, in the second position, i.e. in the cooling operating mode, the air sucked in from the lower end 2a is discharged from the upper end 2b of the fan convector 1.
  • valve means 50 are arranged at the delivery openings 21, 22 of the delivery chamber 20.
  • valve means 50 comprise a dividing wall 51 hinged to the casing 2 and able to be actuated to move between two closed positions.
  • the dividing wall 51 is intended to alternatively close the first delivery opening 21 or the second delivery opening 22 in the heating and cooling operating modes, respectively.
  • the dividing wall 51 is moveable into at least one intermediate position between the two closed positions to partially close the two delivery openings 21, 22 in the heating and cooling operating modes, respectively, so as to divide the flow of air through the two delivery openings 21, 22 according to the user's requirements, proportionally to the closing thereof.
  • the dividing wall 51 is hinged in rotation around a hinging axis X-X and has a substantially flat rectangular shape with the long sides 51a, 51b extending parallel to the direction of the hinging axis X-X between the two side panels 5c of the frame 5.
  • the dividing wall 51 has a wing-type profile in which, at the two short sides 51c, 51d of the dividing wall 51 itself, there are two prolongations 52, 53 projecting perpendicular to the short sides 51c, 51d along the direction X-X.
  • the prolongations 52, 53 are intended to be inserted in respective seats formed in the side panels 2c so as to allow the rotation of the dividing wall 51 around the hinging axis X-X.
  • the dividing wall 51 on the long side 51b opposite the long side 51a of rotation of the dividing wall 51, has a strip of flexible material 54, preferably made from rubber or nylon.
  • a strip 54 ensures the airtight seal of the dividing wall 51 and, by deforming, prevents interference of the dividing wall 51 with the heat exchanger 3 during the rotation of the dividing wall 51 itself.
  • the valve means 50 comprise an actuation lever 55 connected to the dividing wall 51 to move the dividing wall 51 between the two closed positions.
  • the actuation lever 55 is connected to one of the prolongations 52, 53.
  • the fan convector 1 can have flow deflectors 65 foreseen at the first delivery opening 21.
  • Such flow deflectors 65 can be configured fixed or mobile in a plurality of positions between a completely closed position and a completely open position so as to adjust the flow rate of air discharged by the fan convector 1 through the first delivery opening 21.
  • the fan convector according to the present invention makes it possible to satisfy the requirements and overcome the drawbacks referred to in the introductory part of the present description with reference to the prior art.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (8)

  1. Gebläsekonvektor (1), der geeignet zum Betreiben im Kühl- und Heizmodus ist, wobei der Gebläsekonvektor umfasst:
    - ein Gehäuse (2), das sich entlang einer Längsrichtung (Y-Y) zwischen einem unteren Ende (2a) und einem oberen Ende (2b) erstreckt, wobei das Gehäuse (2) aufweist:
    - eine Einlassöffnung (11),
    - eine Zuführkammer (20) mit einer ersten Zuführöffnung (21) und einer zweiten Zuführöffnung (22), wobei die erste Zuführöffnung (21) an dem oberen Ende des Gehäuses (2) angebracht ist, wobei die zweite Zuführöffnung (22) an einer Vorderseite des Gehäuses (2) angebracht ist,
    - einen Wärmetauscher (3) und eine Gebläsegruppe (4), die in dem Gehäuse (2) beherbergt sind,
    - Ventilmittel (50), um den Luftstrom abzufangen, der hin zu den Zuführöffnungen (21, 22) strömt, und das Ablassen von Luft alternativ durch die erste Zufuhröffnung (21) oder die zweite Zuführöffnung (42) zu erlauben,
    wobei:
    - das Gehäuse (2) eine Einlasskammer (10) aufweist, die die Einlassöffnung (11) aufweist,
    - die Zuführkammer (20) nachgelagert des Wärmetauschers (3) positioniert ist,
    - die Ventilmittel (50) zwischen einer ersten Position, die einem Wärmebetriebsmodus des Gebläsekonvektors zugehörig ist, und einer zweiten Position die einem Kühlbetriebsmodus des Gebläsekonvektors zugehörig ist, beweglich sind,
    - die Ventilmittel (50) in der ersten Position angebracht sind, um die erste Zufuhröffnung (21) zu schließen, sodass die Luft, die von der Gebläsegruppe (4) eingesaugt und von dem Wärmetauscher (3) behandelt wird, von der zweiten Zufuhröffnung (22) abgelassen wird,
    - die Ventilmittel (50) in der zweiten Position angebracht sind, um die zweite Zufuhröffnung (22) zu schließen, sodass die Luft, die von der Gebläsegruppe (4) eingesaugt und von dem Wärmetauscher (3) behandelt wird, von der ersten Zufuhröffnung (21) abgelassen wird,
    dadurch gekennzeichnet, dass:
    - die Einlassöffnung (11) an dem unteren Ende des Gehäuses (2) angebracht ist,
    - die Gebläsegruppe (4) Luft von der Einlassöffnung (11) einsaugen und Luft hin zu dem Wärmetauscher (3) und von diesem Letzteren in die Zufuhrkammer (20) hin zu den Zufuhröffnungen (21, 22) ablassen soll,
    - die Ventilmittel (50) eine Trennwand (51) umfassen, die an dem Gehäuse (2) klappbar vorgesehen ist und in der Lage ist, betätigt zu werden, um sich zwischen der ersten und der zweiten Position zu bewegen, um alternativ die erste (21) oder die zweite Zufuhröffnung (22) zu schließen,
    - die Trennwand (51) an der ersten und zweiten Zufuhröffnung (21, 22) der Zuführkammer (20) angebracht ist.
  2. Gebläsekonvektor nach Anspruch 1, wobei das Gehäuse (2) einen Stützrahmen (5), um den Wärmetauscher (3) und die Gebläsegruppe (4) zu stützen, und eine Abdeckung (6), die den Rahmen (5) abdeckt, umfasst, wobei
    - die Abdeckung (6) von einer oberen Platte (6a), einer Vorderplatte (6e) und zwei Seitenplatten (6c) bestimmt ist, und
    - der Rahmen (5) von einer Rückplatte (5b), einer unteren Platte (5d) und zwei Seitenplatten (5c) bestimmt ist,
    wobei
    - die Einlassöffnung (11) in der unteren Platte (5d) des Rahmens (5) gebildet ist,
    - die erste Zufuhröffnung (21) in der oberen Platte (6a) der Abdeckung (6) gebildet ist, und
    - die zweite Zufuhröffnung (22) in der Vorderplatte (6e) der Abdeckung (6) gebildet ist.
  3. Gebläsekonvektor nach Anspruch 2, wobei die zweite Zufuhröffnung (22) in dem oberen Abschnitt der Vorderplatte (6c) der Abdeckung (6) gebildet ist und durch ein Gitter (60) geschlossen wird, das mit Luftablenklamellen ausgestattet ist, die so ausgerichtet sind, dass sie den Luftstrom, der von der Gebläsegruppe (4) abgelassen wird, abwärts richten.
  4. Gebläsekonvektor nach Anspruch 1, wobei die Trennwand (51) in mindestens eine Zwischenposition zwischen der ersten und der zweiten Position beweglich ist, um die zwei Zufuhröffnungen (21, 22) teilweise zu schließen.
  5. Gebläsekonvektor nach Anspruch 1 oder 4, wobei das Ventilmittel (50) einen Betätigungshebel (52) umfasst, der mit der Trennwand (51) verbunden ist, um die Trennwand (51) zwischen den zwei geschlossenen Positionen und der mindestens einen Zwischenposition zu bewegen.
  6. Gebläsekonvektor nach Ansprüchen 2 und 5, wobei der Betätigungshebel (52) außerhalb auf dem Rahmen (5) des Gehäuses (2) angebracht ist.
  7. Gebläsekonvektor nach einem beliebigen der Ansprüche 1 bis 6, wobei die zweite Zufuhröffnung (22) in einer Höhe h angebracht ist, die zwischen der Hälfte der Gesamthöhe H das Gebläsekonvektors 1 und der Gesamthöhe H des Gebläsekonvektors 1 umfasst ist, gemessen zwischen dem unteren Ende (2a) und dem oberen Ende (2b).
  8. Verfahren zum Betreiben eines Gebläsekonvektors (1) nach einem beliebigen der Ansprüche 1 bis 7, wobei
    - die Ventilmittel (50) im Heizmodus angebracht sind, um die erste Zufuhröffnung (21) zu schließen, sodass die Luft, die von der Gebläsegruppe (4) eingesaugt und von dem Wärmetauscher (3) behandelt wird, von der zweiten Zufuhröffnung (22) abgelassen wird,
    - die Ventilmittel (50) im Kühlmodus angebracht sind, um die zweite Zufuhröffnung (22) zu schließen, sodass die Luft, die von der Gebläsegruppe (4) eingesaugt und von dem Wärmetauscher (3) behandelt wird, von der ersten Zufuhröffnung (21) abgelassen wird.
EP12165745.6A 2011-04-29 2012-04-26 Gebläsekonvektor Active EP2518418B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SI201231424T SI2518418T1 (sl) 2011-04-29 2012-04-26 Ventilatorski konvektor
PL12165745T PL2518418T3 (pl) 2011-04-29 2012-04-26 Konwektor wentylatorowy
RS20181251A RS57891B1 (sr) 2011-04-29 2012-04-26 Ventilatorski konvektor
HRP20181719TT HRP20181719T1 (hr) 2011-04-29 2018-10-22 Ventilatorski konvektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20110726 2011-04-29

Publications (2)

Publication Number Publication Date
EP2518418A1 EP2518418A1 (de) 2012-10-31
EP2518418B1 true EP2518418B1 (de) 2018-08-22

Family

ID=44554455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12165745.6A Active EP2518418B1 (de) 2011-04-29 2012-04-26 Gebläsekonvektor

Country Status (13)

Country Link
EP (1) EP2518418B1 (de)
CY (1) CY1120776T1 (de)
DK (1) DK2518418T3 (de)
ES (1) ES2687243T3 (de)
HR (1) HRP20181719T1 (de)
HU (1) HUE040057T2 (de)
IT (1) ITMI20120696A1 (de)
LT (1) LT2518418T (de)
PL (1) PL2518418T3 (de)
PT (1) PT2518418T (de)
RS (1) RS57891B1 (de)
SI (1) SI2518418T1 (de)
TR (1) TR201815067T4 (de)

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US9803898B2 (en) 2014-06-10 2017-10-31 Whirlpool Corporation Air conditioner with selectable supplemental compressor cooling
US9759438B2 (en) 2014-06-10 2017-09-12 Whirlpool Corporation Air conditioner with selective filtering for air purification
KR101698842B1 (ko) * 2015-07-17 2017-01-23 삼성전자 주식회사 공기조화기 및 그 제어방법
CN105240939B (zh) * 2015-10-12 2018-01-09 珠海格力电器股份有限公司 一种空气调节装置及其使用方法
CN105222305B (zh) * 2015-10-16 2018-11-13 珠海格力电器股份有限公司 风机组件及安装有该风机组件的空调
KR102530178B1 (ko) * 2016-01-07 2023-05-10 삼성전자주식회사 공기조화기
KR20180032439A (ko) * 2016-09-22 2018-03-30 삼성전자주식회사 공기조화기
KR102645875B1 (ko) * 2016-10-21 2024-03-11 삼성전자주식회사 공기조화기
KR102615039B1 (ko) * 2018-08-24 2023-12-19 삼성전자주식회사 공기조화기 및 가전제품
KR102620355B1 (ko) * 2018-10-15 2024-01-05 삼성전자주식회사 공기조화기
IT202000018862A1 (it) * 2020-07-31 2022-01-31 Rm Sistemi S R L Ventilconvettore

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JPS5875641A (ja) 1981-10-29 1983-05-07 Mitsubishi Electric Corp 空気調和機
JPH08296873A (ja) * 1995-03-02 1996-11-12 Sanden Corp 空気調和装置
JPH09257268A (ja) * 1996-03-19 1997-09-30 Fujita Corp ファンコンベクタ
JPH11237068A (ja) * 1998-02-24 1999-08-31 Fujitsu General Ltd ファンコンベクタ
JPH11237067A (ja) 1998-02-24 1999-08-31 Fujitsu General Ltd ファンコンベクタ
CN2716696Y (zh) 2004-07-21 2005-08-10 张端桥 可变出风口室内空气热交换器
US7076946B2 (en) 2004-08-16 2006-07-18 Eaton Corporation Hydraulic kicker control piston

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Also Published As

Publication number Publication date
DK2518418T3 (en) 2018-11-05
PL2518418T3 (pl) 2018-12-31
EP2518418A1 (de) 2012-10-31
SI2518418T1 (sl) 2018-12-31
LT2518418T (lt) 2018-11-12
CY1120776T1 (el) 2019-12-11
ES2687243T3 (es) 2018-10-24
PT2518418T (pt) 2018-10-26
HUE040057T2 (hu) 2019-02-28
HRP20181719T1 (hr) 2018-12-28
TR201815067T4 (tr) 2018-11-21
ITMI20120696A1 (it) 2012-10-30
RS57891B1 (sr) 2019-01-31

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