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WO2015186992A1 - Climatiseur - Google Patents

Climatiseur Download PDF

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Publication number
WO2015186992A1
WO2015186992A1 PCT/KR2015/005668 KR2015005668W WO2015186992A1 WO 2015186992 A1 WO2015186992 A1 WO 2015186992A1 KR 2015005668 W KR2015005668 W KR 2015005668W WO 2015186992 A1 WO2015186992 A1 WO 2015186992A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
air
heat exchanger
guide member
guide
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.)
Ceased
Application number
PCT/KR2015/005668
Other languages
English (en)
Korean (ko)
Inventor
고토신지
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to US15/316,504 priority Critical patent/US10527298B2/en
Priority to EP15802736.7A priority patent/EP3153785B1/fr
Priority to CN201580029306.2A priority patent/CN106415138B/zh
Priority claimed from KR1020150079646A external-priority patent/KR20150140240A/ko
Publication of WO2015186992A1 publication Critical patent/WO2015186992A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
    • 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

Definitions

  • the present invention relates to an air conditioner including a ceiling-embedded indoor unit which sucks indoor air through a suction port and simultaneously discharges air into a room through a discharge port.
  • the ceiling-mounted indoor unit sucks air in a vertical direction from the bottom to the top, and discharges the sucked air in a horizontal direction substantially perpendicular to the direction in which the air is sucked, and the air by the fan is discharged.
  • a heat exchanger installed to be spaced apart from the fan in a direction to heat exchange air discharged from the fan.
  • a drain pan is installed below the heat exchanger, and a ceiling panel is installed below the drain pan.
  • the ceiling-mounted indoor unit installs a partition that functions as a guide member at the bottom of the fan, more specifically, under the shroud of the fan, and prevents air discharged from the fan from flowing back into the fan by the partition. It is configured to guide and improve the blowing efficiency.
  • the fan when removing the fan during maintenance, the fan must be removed after removing the drain pan provided with the ceiling panel and the partition wall.
  • the drain member and the guide member such as a partition
  • the fan when the drain member and the guide member, such as a partition, are separate, the fan must be removed after removing the drain fan and removing the guide member, or the fan must be removed after removing the guide member even in a configuration in which the drain pan cannot be removed. There is.
  • One aspect of the present invention provides an air conditioner that can be removed by removing the fan without removing the guide member to improve the maintenance.
  • an air conditioner includes a main body having an opening formed at a lower portion thereof, a ceiling panel provided at a lower portion of the main body to cover the opening, and having an intake port through which air is sucked in and an outlet through which air is discharged;
  • the fan is detachably installed inside the main body, and is provided to be spaced apart from the fan in the radial direction of the fan to guide the indoor air to be sucked in the vertical direction through the inlet and discharged in the horizontal direction.
  • the main body may include a top plate and a side plate surrounding the top plate, and the opening may face the interior side.
  • the ceiling panel may be provided in a rectangular shape and detachably installed at a lower end of the side plate, the suction port may communicate with the opening, and the discharge port may have a rectangular shape along each side of the ceiling panel.
  • the fan may include a rotating shaft, a plurality of blades rotating about the rotating shaft, and a shroud provided under the plurality of blades to smoothly suck a portion of the air discharged from the fan when the fan is sucked back into the fan. have.
  • the shroud includes an absorption port through which the air sucked into the suction port and the air discharged from the fan and sucked back into the fan are sucked, and a circumferential surface of a rotating body shape formed to gradually increase in diameter upward from the absorption port. It may include.
  • a bell mouse is provided between the intake port and the fan to guide the air sucked into the intake port to the fan, and the bell mouse is provided with an upper opening which gradually decreases in diameter from the lower part to the upper part. An upper end may be received inside the absorbent opening.
  • a bell mouse is provided between the intake port and the fan to guide the air sucked into the intake port to the fan, and the bell mouse is discharged from the upper opening and the fan which gradually decreases in diameter from the lower part to the upper part, and then again.
  • a guide part may be provided to guide the air sucked into the fan.
  • the heat exchanger may be provided to surround the fan spaced apart from the fan in a direction perpendicular to the rotation axis.
  • the lower part of the heat exchanger is provided with a drain pan for receiving condensed water generated by condensation of moisture in the air heat exchanged in the heat exchanger, the drain pan is installed along the heat exchanger around the fan to the lower end of the heat exchanger I can accept it.
  • the guide member may be integrally formed with the drain pan.
  • the guide member may be formed separately from the drain pan and coupled to the drain pan.
  • the guide member may include a curved portion bent upwardly inclined toward the fan at a lower end of the heat exchanger, and a connecting portion extending downward from the curved portion to connect the curved portion and the bell mouse.
  • the outer circumferential surface of the curved portion may guide the air discharged from the fan to the heat exchanger.
  • connection part may have an upper end connected with the curved portion, and a lower end connected with the bell mouse.
  • the inner circumferential surface of the connection part may be provided to have a circular shape around the rotation axis of the fan, and the diameter of the inner circumferential surface of the connection part may be larger than the outer circumferential diameter of the fan.
  • FIG. 1 is a perspective view schematically showing a ceiling-mounted indoor unit according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view schematically showing a ceiling-mounted indoor unit according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view schematically showing a ceiling-mounted indoor unit according to another embodiment of the present invention.
  • FIG. 4 is a cross-sectional view schematically showing a ceiling-mounted indoor unit according to another embodiment of the present invention.
  • FIG. 5 is a cross-sectional view schematically showing a ceiling-mounted indoor unit according to another embodiment of the present invention.
  • FIG. 6 is an enlarged view of a main part of FIG. 5.
  • FIG. 7 is a view illustrating a flow of air discharged from a fan of the ceiling embedded indoor unit illustrated in FIG. 5.
  • FIG. 8 is a perspective view schematically showing a ceiling-mounted indoor unit according to another embodiment of the present invention.
  • the ceiling-embedded indoor unit 100 is used in an air conditioner, for example, and is embedded in a recess (not shown) formed in the ceiling to suck indoor air and heat exchange the air to exchange air at a desired temperature. It is discharged to the room.
  • the ceiling-mounted indoor unit 100 has a main body 10, a ceiling panel 20, a fan 30, a bell mouse 40, a heat exchanger 50, a drain pan, as shown in Figs. 60 and a guide member 70 are provided.
  • the main body 10 is embedded in the recess formed in the ceiling and is specifically provided with a top plate 11 and a side plate 12 surrounding the top plate 11 as shown in FIG. It has a substantially rectangular parallelepiped shape opened to the side.
  • the ceiling panel 20 covers the opening X of the main body 10, and is specifically detachably installed at the lower end of the side plate 12 of the main body 10, and has a substantially rectangular shape when viewed in plan view.
  • the ceiling panel 20 has a suction port 2A and a plurality of discharge ports 2B communicating with the opening X of the main body 10 as shown in FIGS. 1 and 2.
  • the suction port 2A of the present embodiment has an almost rectangular shape formed through the center of the ceiling panel 20 in the thickness direction, and each discharge port 2B of the present embodiment has a thickness direction along each side of the ceiling panel 20. It has an almost rectangular shape formed through it.
  • the fan 30 sucks indoor air through the suction port 2A and simultaneously discharges the air into the room through the discharge port 2B.
  • the indoor air is sucked from the bottom to the top along the rotation axis C.
  • the air is discharged in a horizontal direction substantially perpendicular to the rotation axis C.
  • the fan 30 is installed in the main body 10 as shown in FIGS. 1 and 2 and has a shroud having a plurality of vanes 31 and absorbing holes 321 rotating about the rotation axis C. 32).
  • the absorption port 321 is located above the suction port 2A.
  • the fan 30 is detachably installed in the main body 10 through the opening X of the main body 10, and the detachment of the fan 30 allows the suction port 2A to be removed from the ceiling panel 20. It is performed in the state which removed the inlet part (not shown) to form.
  • the shroud 32 is configured to allow the air to be sucked into the absorption port 321 without remaining in the lower part of the shroud 32 when the air discharged from the fan 30 is sucked back into the fan 30.
  • the shape of the rotating body is formed to gradually increase the opening diameter from the lower part to the upper part, and has a side circumferential surface 322 having a substantially arc-shaped cross section in the direction of the rotation axis C.
  • the side circumferential surface 322 of the present embodiment has an elliptic shape in which a cross section in the direction of the rotational axis C is almost 1/4.
  • the bell mouse 40 is for guiding the indoor air to the fan 30 efficiently, and is provided between the fan 30 and the suction port 2A.
  • the bell mouth 40 has a shape in which the opening diameter gradually decreases from the lower portion to the upper portion thereof, and the bell mouth 40 stands toward the absorption port 321 of the fan 30.
  • the upper end of the bell mouth 40 is positioned above the absorption port 321 of the fan 30 and is disposed to be located inside the fan 30.
  • the bell mouse 40 of this embodiment is detachably attached to the drain pan 60 mentioned later through a connection member (not shown).
  • the heat exchanger 50 is provided in the main body 10 as a heat exchanger for the air discharged from the fan 30 and is spaced apart from the fan 30 in a direction substantially perpendicular to the rotation axis C of the fan 30. .
  • the heat exchanger 50 is provided so as to surround the fan 30 as shown in FIG. 1 and has a substantially square shape when viewed from the top in this embodiment.
  • the drain pan 60 is installed under the heat exchanger 50 to receive condensed water generated by condensation of moisture in the air when the air is heat exchanged by the heat exchanger 50.
  • the drain pan 60 is installed along the heat exchanger 50 around the fan 30 as shown in FIGS. 1 and 2 and accommodates the lower end of the heat exchanger 50.
  • the guide member 70 guides the air discharged from the fan 30 to the heat exchanger 50 and at the same time suppresses the air discharged from the fan 30 from being sucked back into the fan 30.
  • it is molded integrally with the drain pan 60.
  • the guide member 70 is disposed between the heat exchanger 50 and the fan 30 as shown in FIGS. 1 and 2, and is provided to surround the fan 30 by being protruded upward. .
  • the guide member 70 extends downward from the curved portion 71 and the curved portion 71 which are bent upwardly inclined toward the fan 30 at the lower end of the heat exchanger 50 as shown in FIG. 2. It has a connecting portion 72 for connecting the curved portion 71 and the bell mouse 40.
  • the cross section toward the rotating shaft C has an elliptical shape of about 1/4.
  • the curved portion 71 guides the air discharged from the fan 30 toward the heat exchanger 50.
  • the outer circumferential surface 711 of the curved portion 71 serves as a guide surface for flowing a part of the air discharged from the fan 30 to the heat exchanger 50.
  • the curved part 71 of this embodiment is formed over the lower end part of the heat exchanger 50 from near the outer side of the shroud 32 upper end.
  • connection part 72 has a rotating body shape, and is substantially cylindrical in this embodiment.
  • the connection portion 72 has an upper end connected to the inner end of the curved portion 71 and a lower end connected to the lower outer peripheral portion of the bell mouth 40.
  • the guide member 70 of this embodiment does not overlap with the fan 30 at least when it sees from the opening X side of the main body 10 at the time of attaching and detaching the fan 30 (viewing from the bottom in this embodiment). Is installed in position.
  • the guide member 70 is configured such that the outer edge of the fan 30 is located inward than the inner edge of the guide member 70 viewed from the bottom.
  • the inner edge seen from the lower part of the guide member 70 is a contour corresponding to the innermost part of the guide member 70 and is comprised by the inner peripheral surface 721 of the connection part 72 in this embodiment. That is, the inner edge seen from the lower part of the guide member 70 has a circular shape centering on the rotation axis C of the fan 30.
  • the outer edge seen from the lower part of the fan 30 is an outer edge which is a rotation area
  • the diameter length Li of the inner edge of the guide member 70 (the diameter length of the inner circumferential surface 721 of the connecting portion 72 in this embodiment) is the diameter length Lo of the fan 30 (rotation diameter). It is formed larger than (the rotation diameter of the upper end of the shroud 32 in this embodiment). This allows the fan 30 to pass through the inside of the guide member 70, that is, the inner circumferential surface 721 of the connecting portion 72, regardless of the rotational position of the fan 30.
  • the fan 30 is positioned so that the drain pan 60 provided below the heat exchanger 50 in addition to the guide member 70 does not overlap with each other when viewed from the opening side.
  • the fan 30 since the guide member 70 is integrally installed in the radially inner side of the drain pan 60, that is, the fan 30 side, the fan 30 is configured not to overlap with the guide member 70, and of course, the fan. 30 is also comprised so that it may not overlap with the drain pan 60.
  • the guide member 70 is detached when the fan 30 is attached or detached. Work can be done without removal, improving maintenance. Specifically, as described above, the drain pan 60 and the guide member 70 are not removed while the inlet parts not shown in the ceiling panel 20 are removed while the bell mouse 40 is removed from the main body 10. It is possible to access the fan 30 without removing only the fan 30.
  • the fan 30 can pass through the inside of the guide member 70 irrespective of the rotational position of the fan 30, the fan 30 and the guide member 70 do not interfere with each other, and thus maintainability is maintained. We can improve more.
  • the guide member 70 is integrally formed with the drain pan 60, the air discharged from the fan 30 is guided without increasing the number of parts, thereby suppressing noise and vibration, and blowing the fan 30. The efficiency can be improved.
  • the guide member 70 has a connecting portion 72 extending upward from the lower peripheral portion of the bell mouth 40, the air discharged from the fan 30 can be suppressed from being sucked back into the fan 30. have. As a result, the retention of air generated in the lower part of the fan 30 can be reduced, and the blowing efficiency of the fan 30 can be improved.
  • the guide member 70 is integrally formed with the drain pan 60, but as illustrated in FIG. 3, the guide member 70 is separately formed from the drain pan 60 to form a drain pan ( It may be formed to be coupled to (60).
  • This configuration increases the number of parts, but in the same manner as in the above-described embodiment, the maintenance properties can be improved, and the shape of the guide member 70 is not complicated, so that the guide member 70 can be designed in various shapes. desirable.
  • a part of the bell mouse 40 may be provided with a function of guiding the air discharged from the fan 30.
  • the bell mouse 40 has a guide portion 42 formed along the side circumferential surface 322 of the shroud 32 and the guide portion 42 and the curved portion 71 of the guide member 70 are continuously formed. do.
  • the blowing efficiency of (30) can be further improved to reduce power consumption and to suppress noise and vibration more reliably.
  • connection part of the said embodiment has a shape substantially close to a cylinder, for example, it may have a conical shape cut off the stomach, or may have a shape having a curved surface.
  • the inner edge of the connecting portion may be formed outside the outer edge of the fan as viewed from the opening side of the main body.
  • the cross section of the guide face toward the axis of rotation is an elliptical shape of about 1/4, but the shape of the guide face may be appropriately changed by the shape of the shroud formed in the fan.
  • the drain pan 80 includes a bottom wall portion 81 supporting the heat exchanger 50, an inner wall portion 82 installed to be inclined in the upper direction from the bottom wall portion 81, and a heat exchanger. It is provided in the outer side of 50, and has the outer wall part 83 which stood up along the said heat exchanger 50. As shown in FIG.
  • each of these wall portions is formed integrally.
  • the drain pan 80 is configured such that the upper end surface 821 of the inner wall portion 82 and the upper surface 431 of the lower end portion 43 of the bell mouth 40 are located on substantially the same plane.
  • the drain pan 80 of this embodiment is attached to the side plate 12 of the main body 10 via a connection member (not shown).
  • the guide member 90 is installed under the shroud 32 formed in the fan 30 and directs the flow of air blown out of the fan 30 toward the heat exchanger 50. It guides in the reflow direction L2 toward L1 and the fan 30.
  • the air discharged from the fan 30 is returned to the fan 30 again. It is possible to reduce the flow rate in the incoming reflow direction (L2).
  • the guide member 90 is installed over the inner wall portion 82 of the drain pan 80 at the lower end 43 of the bell mouth 40 and protrudes upward.
  • the guide member 90 of the present embodiment is provided over the upper surface 431 of the lower end portion 43 of the bell mouth 40 and the upper end surface 821 of the inner wall portion 82 of the drain pan 80, and the rotation shaft C is provided.
  • the cross-section as a reference is configured to form a shape close to the half ellipse.
  • the guide member 90 in the present embodiment has a guide surface 92 along the shroud 32 side circumferential surface 322 as shown in FIG. 6, and the side circumferential surface 322 and the guide surface 92 are shown in FIG. 6.
  • the distance L) is configured to increase at a constant rate of change or to be a constant distance along the direction in which the air blown out of the fan 30 flows again toward the suction port of the fan 30 (reflow direction L2).
  • the distance L between the side circumferential surface 322 of the shroud 32 and the guide surface 92 is a direction in which air blown out of the fan 30 flows back toward the fan 30 (reflow direction L2).
  • the shortest distance of the distance (L) is a distance connecting the upper position (X) of the shroud 32 and the upper guide position (X ') of the guide surface 92, and the longest distance is changed by a constant rate of change from there.
  • 32 is a distance between the lower end position Y and the lower end position Y 'of the guide surface 92.
  • the reflow direction (L2) in other words, the air flowing out of the fan 30 and flows back to the fan flows along the side circumferential surface (322) of the shroud 32, so that the reflow direction (L2) is shroud (32) It becomes the direction from the upper position (X) of the lower position (Y). That is, the distance L between the circumferential surface 322 and the guide surface 92 increases or becomes a constant distance from the upper position X of the shroud 32 toward the lower position Y.
  • the guide surface 92 is a portion of the outer circumferential surface 91 of the guide member 90 facing at least the side circumferential surface 322 of the shroud 32 as shown in FIG. 6. Is done.
  • the guide upper position (X ') is the intersection where the straight line connecting the upper position (X) and the center (O) of the guide member 90 intersects the outer circumferential surface (91) of the guide member 90 and the lower guide position (Y) ') Is an intersection where a straight line connecting the lower end position Y and the center O of the guide member 90 intersects the outer circumferential surface 91 of the guide member 90.
  • the height from the upper end surface 821 of the inner wall portion 82 of the drain pan 80 to the upper end position X of the shroud 32 is shown. Is H, and the opening diameter at the upper end position X of the shroud 32 is R. Further, the height from the upper end surface 821 of the inner wall portion 82 to the vertex P of the guide member 90 is Hd, and the vertex P of the guide member 90 at the lower end position Y of the shroud 32. Let Rd be the horizontal distance to.
  • the guide member 90 of this embodiment is formed so that the vertex P may be located in an area defined by Hd ⁇ H or 0.9R ⁇ Rd ⁇ 1.4R.
  • the distance L between the shroud 32 side peripheral surface 322 and the guide member 90 and the guide surface 92 is the lower position Y from the top position X of the shroud 32. It increases or becomes constant with a constant rate of change of 1.0 or more and 1.2 or less along the direction toward).
  • the guide surface 92 is formed so that the said change rate may be set to 1.2.
  • the air is shrouded 32.
  • the blowing efficiency of the fan 30 can be improved to reduce power consumption and to reliably suppress noise generation.
  • the cross section based on the rotation axis C of the guide member 90 has a shape that is close to a semi-ellipse, the air ejected from the fan 30 does not stay in the mainstream direction L1 toward the heat exchanger 50. It is blown efficiently.
  • the guide member is provided from the lower end of the bell mouth to the inner wall of the drain pan, but it is not necessary to install the inner wall of the drain pan, and the guide member 95 as shown in FIG. 8, for example.
  • the guide member 95 When viewed from the top can be configured to form an annular shape.
  • the outer circumferential surface 96 of the guide member 95 may have a plurality of guide grooves 95a formed along the circumferential direction.
  • the guide groove 95a has a curved shape along the flow direction of the air ejected from the fan 30.
  • the above structure makes it possible to more reliably prevent the air from staying, and further improves the blowing efficiency of the fan 30, thereby reducing power consumption and suppressing noise more reliably.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne un climatiseur qui peut améliorer l'entretien et la réparation en permettant le détachement d'un ventilateur sans retirer un élément de guidage. Le climatiseur comprend : un corps principal qui a une ouverture formée sur la partie inférieure de celui-ci; un panneau de plafond qui est situé sur la partie inférieure du corps principal pour recouvrir l'ouverture, et qui a une entrée d'air pour aspirer l'air, et une sortie d'air pour évacuer l'air; un ventilateur qui est installé amovible dans le corps principal à travers l'ouverture, et qui amène l'air intérieur à être aspiré verticalement à travers l'entrée d'air et être évacué horizontalement; un échangeur de chaleur qui est espacé du ventilateur dans la direction radiale du ventilateur, et qui réalise un échange de chaleur entre l'air évacué par le ventilateur; et un élément de guidage qui est disposé entre le ventilateur et l'échangeur de chaleur, et qui est espacé du ventilateur dans la direction radiale du ventilateur, et qui guide l'air évacué par le ventilateur vers l'échangeur de chaleur.
PCT/KR2015/005668 2014-06-05 2015-06-05 Climatiseur Ceased WO2015186992A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US15/316,504 US10527298B2 (en) 2014-06-05 2015-06-05 Air conditioner
EP15802736.7A EP3153785B1 (fr) 2014-06-05 2015-06-05 Climatiseur
CN201580029306.2A CN106415138B (zh) 2014-06-05 2015-06-05 空调

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2014-116971 2014-06-05
JP2014116971 2014-06-05
KR1020150079646A KR20150140240A (ko) 2014-06-05 2015-06-05 공기조화기
KR10-2015-0079646 2015-06-05

Publications (1)

Publication Number Publication Date
WO2015186992A1 true WO2015186992A1 (fr) 2015-12-10

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ID=54767006

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/005668 Ceased WO2015186992A1 (fr) 2014-06-05 2015-06-05 Climatiseur

Country Status (1)

Country Link
WO (1) WO2015186992A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470699B1 (en) * 2000-01-28 2002-10-29 Toshiba Carrier Corporation Ceiling cassette type air conditioner
US7066712B2 (en) * 2003-06-03 2006-06-27 Samsung Electronics Co., Ltd. Turbofan and air conditioner having the turbofan
KR100760128B1 (ko) * 2005-10-05 2007-09-18 엘지전자 주식회사 천장형 공기조화기
KR100821733B1 (ko) * 2006-12-28 2008-04-14 엘지전자 주식회사 공기 조화기
KR101195884B1 (ko) * 2007-07-18 2012-10-30 삼성전자주식회사 천장형 공기조화기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470699B1 (en) * 2000-01-28 2002-10-29 Toshiba Carrier Corporation Ceiling cassette type air conditioner
US7066712B2 (en) * 2003-06-03 2006-06-27 Samsung Electronics Co., Ltd. Turbofan and air conditioner having the turbofan
KR100760128B1 (ko) * 2005-10-05 2007-09-18 엘지전자 주식회사 천장형 공기조화기
KR100821733B1 (ko) * 2006-12-28 2008-04-14 엘지전자 주식회사 공기 조화기
KR101195884B1 (ko) * 2007-07-18 2012-10-30 삼성전자주식회사 천장형 공기조화기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3153785A4 *

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