EP2891847B1 - Indoor air-conditioning unit - Google Patents

Indoor air-conditioning unit Download PDF

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Publication number
EP2891847B1
EP2891847B1 EP13833194.7A EP13833194A EP2891847B1 EP 2891847 B1 EP2891847 B1 EP 2891847B1 EP 13833194 A EP13833194 A EP 13833194A EP 2891847 B1 EP2891847 B1 EP 2891847B1
Authority
EP
European Patent Office
Prior art keywords
air
direction adjustment
airflow direction
indoor unit
adjustment louver
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
EP13833194.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2891847A4 (en
EP2891847A1 (en
Inventor
Masanao Yasutomi
Hideya UENO
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP2891847A1 publication Critical patent/EP2891847A1/en
Publication of EP2891847A4 publication Critical patent/EP2891847A4/en
Application granted granted Critical
Publication of EP2891847B1 publication Critical patent/EP2891847B1/en
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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
    • 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
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • 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
    • 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
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae

Definitions

  • the present invention relates to an air-conditioning indoor unit, and particularly to an air-conditioning indoor unit that an airflow direction adjustment louver is mounted in the vicinity of a blow-out port.
  • An airflow direction adjustment louver mounted in the vicinity of a blow-out port in an air-conditioning indoor unit, is entirely cooled down by cold air.
  • the surface temperature of the airflow direction adjustment louver gets lower than the dew point, dew condensation occurs on its surface unexposed to the cold wind.
  • a thermal insulator has been conventionally attached to a predetermined part of the airflow direction adjustment louver.
  • the airflow direction adjustment louver has had a hollow structure as described in, for instance, Patent Literature 1 (Japan Laid-open Patent Application Publication No. 2009-14289 ) in order to avoid deterioration in its aesthetic appearance attributed to attachment of the thermal insulator.
  • Patent Literature 1 Japanese Laid-open Patent Application Publication No. 2009-14289
  • DE 10 2006 033 786 A1 discloses the production of control flaps for car heaters comprising injection molding a tubular preform which is then heated and blow-molded to produce the flap. Those flaps have an hollow sealed structure allowing air movement between inside and outside through a vent hole.
  • JP 2005 121306 A teaches a wind direction board for opening/closing an air outflow port and varying the wind direction of air, the board comprising a face side member formed by extrusion molding, the face side of which is exposed when the air outflow port is closed.
  • An air-conditioning indoor unit is the air conditioning indoor unit according to claim 1.
  • the airflow direction adjustment louver is configured to adjust a flow direction of air to be blown out of a blow-out port.
  • the body casing has a blown-out airflow path directing air-conditioned air to the blow-out port.
  • the airflow direction adjustment louver has a hollow sealed structure allowing air movement between inside and outside thereof only through a predetermined vent hole. Yet further, the vent hole is bored in a part located out of the blown-out airflow path.
  • An air-conditioning indoor unit relates to the air-conditioning indoor unit according to the first aspect, and wherein the airflow direction adjustment louver has a pivot shaft functioning as a pivot center in changing a tilt angle thereof with respect to a horizontal plane. Further, the vent hole is bored in the pivot shaft.
  • a pair of the pivot shafts is disposed on the both lengthwise ends of the airflow direction adjustment louver, and is thus designed to be located outside the both ends of the blow-out port. Therefore, in the present air-conditioning indoor unit, the vent hole does not exist in the pathway of blown air, and it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver through the vent hole.
  • An air-conditioning indoor unit relates to the air-conditioning indoor unit according to the second aspect, and wherein the pivot shaft is located outside a sidewall forming the blown-out airflow path.
  • the blown-out airflow path and the vent hole are divided through the sidewall. Hence, it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver through the vent hole.
  • An air-conditioning indoor unit relates to the air-conditioning indoor unit according to the first aspect, and wherein the vent hole is configured to be used as an air injection hole in an airtight test for checking airtightness by air injection into the hollow sealed structure.
  • the vent hole is herein bored in the pivot shaft, and consequently, it is only required to connect the nozzle to one end of the airflow direction adjustment louver. This is productive in that the nozzles are connectable to the airflow direction adjustment louvers to be consecutively transported in a manufacturing process without changing the postures of the airflow direction adjustment louvers.
  • An air-conditioning indoor unit relates to the air-conditioning indoor unit according to the first aspect, and wherein the airflow direction adjustment louver includes a plurality of plate members and a sealing member.
  • the plural plate members are configured to form a hollow part when being combined.
  • the sealing member fills up a boundary between the plate members.
  • An air-conditioning indoor unit relates to the air-conditioning indoor unit according to the fifth aspect, and wherein the plate members and the sealing member are molded by the same resin material.
  • the hollow sealed structure is formed by injecting the resin material in a molten state on the boundary between the plural plate members after the plate members are inserted into a resin molding mold while forming the hollow part.
  • the plate members and the sealing member are made of the same material.
  • durability against thermal expansion and thermal shrinkage is more enhanced than joining of resin materials with different linear expansion coefficients. This results in enhancement in reliability.
  • air movement is enabled between inside and outside of the airflow direction adjustment louver only through the vent hole.
  • the vent hole does not exist in the pathway of blown air. Hence, it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver through the vent hole.
  • the vent hole does not exist in the pathway of blown air, and it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver through the vent hole.
  • the blown-out airflow path and the vent hole are divided through the sidewall. Hence, it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver through the vent hole.
  • the air-conditioning indoor unit In the air-conditioning indoor unit according to the fourth aspect of the present invention, it is required to connect an air nozzle to an air-injected part when air injection is performed in the airtight test.
  • the vent hole is herein bored in the pivot shaft, and consequently, it is only required to connect the nozzle to one end of the airflow direction adjustment louver. This is productive in that the nozzles are connectable to the airflow direction adjustment louvers to be consecutively transported in a manufacturing process without changing the postures of the airflow direction adjustment louvers.
  • increase in thickness of the inside of the end surface can be inhibited and reduction in volume of the hollow part can be prevented by the combination of the plate members of the airflow direction adjustment louver and the method of filling up the boundary between the plate members with the sealing member.
  • the plate members and the sealing member are made of the same material.
  • durability against thermal expansion and thermal shrinkage is more enhanced than joining of resin materials with different linear expansion coefficients. This results in enhancement in reliability.
  • FIG. 1 is a cross-sectional view of an air-conditioning indoor unit 10 according to the embodiment of the present invention when an operation is stopped.
  • the air-conditioning indoor unit 10 is of a wall mount type, and is equipped with a body casing 11, an indoor heat exchanger 13, an indoor fan 14, a bottom frame 16 and a controller 40.
  • the body casing 11 has a top surface part 11 a, a front surface panel 11b, a rear surface plate 11c and a bottom horizontal plate 11d, and accommodates the indoor heat exchanger 13, the indoor fan 14, the bottom frame 16 and the controller 40 in the interior thereof.
  • the top surface part 11a is located on the top of the body casing 11, and has an intake port (not shown in the drawings) in the front part thereof.
  • the front surface panel 11b makes up the front surface part of the indoor unit, and has a flat shape without being provided with any intake port.
  • the front surface panel 11b is pivotably supported at its top end by the top surface part 11a, and is capable of performing a hinge-like action.
  • the indoor heat exchanger 13 and the indoor fan 14 are attached to the bottom frame 16.
  • the indoor heat exchanger 13 is configured to perform heat exchange with air passing therethrough.
  • the indoor heat exchanger 13 has an inverted V shape with its both ends bending downward in a side view, and the indoor fan 14 is located under the indoor heat exchanger 13.
  • the indoor fan 14 is a crossflow fan that is configured to cause air, taken in from an indoor space, to strike against and pass through the indoor heat exchanger 13 and is then configured to blow out the heat-exchanged air to the indoor space.
  • the body casing 11 has a blow-out port 15 in the bottom part thereof.
  • An airflow direction adjustment louver 31 is pivotably attached to the blow-out port 15 in order to change the flow direction of air to be blown out of the blow-out port 15.
  • the airflow direction adjustment louver 31 is configured to be driven by a motor (not shown in the drawings), and is capable of not only changing the flow direction of blown air but also opening and closing the blow-out port 15.
  • the airflow direction adjustment louver 31 is capable of taking a plurality of positions with different tilt angles.
  • blow-out port 15 communicates with the interior of the body casing 11 through a blown-out airflow path 18.
  • the blown-out airflow path 18 is formed from the blow-out port 15 along a scroll 17 of the bottom frame 16.
  • Indoor air is sucked into the indoor fan 14 through the intake port and the indoor heat exchanger 13 by the actuation of the indoor fan 14, is discharged from the indoor fan 14 so as to be blown out of the blow-out port 15 through the blown-out airflow path 18.
  • the controller 40 is located laterally rightward of the indoor heat exchanger 13 and the indoor fan 14 when the body casing 11 is seen from the front surface panel 11b, and is configured to control the rotation speed of the indoor fan 14 and the action of the airflow direction adjustment louver 31.
  • the blow-out port 15 is formed in the bottom part of the body casing 11 as a rectangular opening that elongates in a sideward direction (a direction arranged orthogonally to the drawing plane of FIG. 1 ).
  • the bottom end of the blow-out port 15 adjoins the front edge of the bottom horizontal plate 11d, and a hypothetical plane connecting the bottom end and the top end of the blow-out port 15 tilts up to the front.
  • the scroll 17 is a partition curved so as to face the indoor fan 14, and is a part of the bottom frame 16.
  • the terminal end of the scroll 17 reaches the vicinity of the circumferential edge of the blow-out port 15. Air, passing through the blown-out airflow path 18, flows along the scroll 17 and is fed in a direction of a tangent on the terminal end of the scroll 17. Therefore, when the airflow direction adjustment louver 31 is not attached to the blow-out port 15, the flow direction of air blown out of the blow-out port 15 is roughly along the tangent on the terminal end of the scroll 17.
  • a vertical airflow direction adjustment louver 20 includes a plurality of louver pieces 201 and a coupling rod 203 for coupling the louver pieces 201.
  • the vertical airflow direction adjustment louver 20 is disposed more proximal to the indoor fan 14 than the airflow direction adjustment louver 31 within the blown-out airflow path 18.
  • the plural louver pieces 201 are configured to pivot right and left about their positions perpendicular to the lengthwise direction of the blow-out port 15 when the coupling rod 203 is horizontally reciprocated along the lengthwise direction of the blow-out port 15. It should be noted that the coupling rod 203 is configured to be horizontally reciprocated by a motor (not shown in the drawings).
  • FIG. 2 is a front view of the air-conditioning indoor unit when an operation is performed.
  • the airflow direction adjustment louver 31 is pivotably supported by the body casing 11 through pivot shafts 311, and is configured to pivot about the pivot shafts 311 so as to change its tilt angle with respect to a horizontal plane.
  • the airflow direction adjustment louver 31 has an area enough to close the blow-out port 15.
  • An outer plate 31a making up the outer surface of the airflow direction adjustment louver 31, is finished to have a gradual circular-arc curved surface with an outwardly convex shape so as to be located on the extension of the curved surface of the front surface panel 11b in a condition that the blow-out port 15 is closed by the airflow direction adjustment louver 31 (see FIG. 1 ).
  • an inner plate 31b making up the inner lateral surface of the airflow direction adjustment louver 31, has a circular-arc curved surface roughly in parallel to the outer plate 31a.
  • the pivot shafts 311 penetrate through sidewalls forming the blown-out airflow path 18 and enter the interior of the body casing 11. At least one of the pivot shafts 311 is coupled to a rotary shaft of a stepping motor (not shown in the drawings) fixed to the body casing 11.
  • the airflow direction adjustment louver 31 is actuated such that the top end thereof moves away from that of the blow-out port 15, and thereby, the blow-out port 15 is opened. Contrarily in conjunction with clockwise turning of the pivot shafts 311 in the front view of FIG. 1 , the airflow direction adjustment louver 31 is actuated such that the top end thereof moves closer to that of the blow-out port 15, and thereby, the blow-out port 15 is closed.
  • FIG. 3 is a perspective view of the airflow direction adjustment louver 31.
  • FIG. 4 is an exploded perspective view of the airflow direction adjustment louver 31.
  • the airflow direction adjustment louver 31 has a hollow structure formed by overlapping the outer plate 31 a and the inner plate 31 b so as to form a hollow part 31 c.
  • the airflow direction adjustment louver 31 is shaped such that among four corners of a rectangular, two corners located on the both ends of one longer side are cut out in a rectangular shape.
  • a region having the longest side will be referred to as a first region R1
  • a region having the second longest side will be referred to as a second region R2.
  • the pivot shafts 311 are disposed on the both lengthwise ends of the second region R2.
  • the circumferential edge of the outer plate 31a bulges and forms a wall 31 aa.
  • the height of the wall 31aa is set to be greater than the thickness of the inner plate 31b.
  • shaft walls 31ab located on the both ends of a part corresponding to the second region R2, are formed higher than the other wall 31aa part, and the pivot shafts 311 outwardly protrude from the walls 31ab.
  • FIG. 5 is an enlarged perspective view of the shaft wall 31ab and its periphery.
  • a rib 31ac is formed on the inner surface of the outer plate 31a so as to be adjacent to the wall 31 aa and the shaft walls 31ab.
  • the height of the rib 31ac is set to prevent the inner plate 31b from upwardly protruding from the top end of the wall 31aa even when the inner plate 31b is mounted onto the rib 31ac.
  • the outer plate 31a has vent holes 312 that penetrate through the shaft walls 31ab and the pivot shafts 311.
  • the height positions of the vent holes 312 are lower than the center heights of the pivot shafts 311 with reference to the inner surface of the outer plate 31a. More specifically, the height positions of the vent holes 312 are set to face the hollow part 31c (see FIG. 1 ) that is formed between the inner plate 31b and the outer plate 31a when the inner plate 31 b is mounted onto the rib 31ac.
  • the circumferential edge 31ba of the inner plate 31b is fitted to the inside of the wall 31 aa and the shaft walls 31ab of the outer plate 31a.
  • the inner plate 31 b has an opposing wall 31bb that is formed inside the circumferential edge 31ba by a predetermined distance in parallel to the circumferential edge 31ba.
  • FIG. 6 is an enlarged perspective view of the shaft wall 31ab and its periphery when the outer plate 31a and the inner plate 31b are overlapped.
  • a groove 313 surrounding the opposing wall 31bb is formed when the opposing wall 31bb of the inner plate 31b is opposed to the wall 31 aa and the shaft walls 31ab of the outer plate 31a.
  • the hollow part 31c is formed between the inner plate 31b and the outer plate 31 a when the inner plate 31b is mounted onto the rib 31ac by overlapping the outer plate 31a and the inner plate 31 b.
  • the airflow direction adjustment louver 31 is cooled from the inner plate 31b side to the outer plate 31a side, and the outer plate 31a unexposed to the cold air is also cooled to a lower temperature. Then, dew condensation occurs when temperature decreases to the dew point or less.
  • thermal movement from the inner plate 31 b side is herein blocked (thermally insulated) by the existence of the hollow part 31c.
  • cooling of the outer plate 31a is inhibited, and consequently, occurrence of dew condensation is prevented.
  • FIG. 7 is an enlarged perspective view of the shaft wall 31ab and its periphery when the groove 313 is filled up with a sealing member 31d.
  • the groove 313 is a boundary between the outer plate 31a and the inner plate 31 b, and the hollow part 31 c is formed as a sealed structure when being sealed by the sealing member 31 d.
  • the sealing member 31 d is made of the same material as the outer plate 31a and the inner plate 31b, and is filled in a molten state into the groove 313.
  • the airflow direction adjustment louver 31 is formed as a hollow sealed structure that allows air movement between inside and outside only through the vent holes 312.
  • the air-conditioning indoor unit is configured to adjust the flow direction of blown air by causing the airflow direction adjustment louver 31 to pivot.
  • a normal blow-out mode is a mode for adjusting the flow direction of blown air by causing the airflow direction adjustment louver 31 to pivot, and is composed of "normal front blowing" and "normal front down blowing".
  • FIG. 8 is a side view of the airflow direction adjustment louver 31 when air is blown out in the normal front blowing.
  • the controller 40 when a user selects "normal front blowing", the controller 40 is configured to cause the airflow direction adjustment louver 31 to pivot until the inner plate 31b of the airflow direction adjustment louver 31 takes a roughly horizontal position.
  • the airflow direction adjustment louver 31 is caused to pivot until the tangent on the front end of the inner plate 31b becomes roughly horizontal. Consequently, blown air becomes a front blowing state.
  • FIG. 9 is a side view of the airflow direction adjustment louver 31 when air is blown out in the normal front down blowing.
  • a user can select "normal front down blowing" when intending to more downwardly change the blow-out direction than "normal front blowing".
  • the controller 40 is configured to cause the airflow direction adjustment louver 31 to pivot until the tangent on the front end of the inner plate 31b of the airflow direction adjustment louver 31 tilts down to the front than its horizontal state. Consequently, blown air becomes a down blowing state.
  • the airflow direction adjustment louver 31 is heated by warm air in a heating operation and is cooled by cold air in a cooling operation.
  • air inside the hollow part 31c is also heated or cooled, and thereby, expansion or contraction of air occurs.
  • the airflow direction adjustment louver 31 has a completely sealed structure, expansion and shrinkage of the airflow direction adjustment louver 31 also occur in accordance with those of the hollow part 31c.
  • the airflow direction adjustment louver 31 has a hollow structure that allows air movement between inside and outside only through the vent holes 312. Hence, the expansion and shrinkage of the airflow direction adjustment louver 31 is prevented.
  • the pivot shafts 311 penetrate through the sidewalls forming the blown-out airflow path 18 and enter the interior of the body casing 11.
  • the vent holes 312, penetrating through the pivot shafts 311 do not themselves exist in a pathway of blown air. Therefore, even when air moves within the vent holes 312 by expansion and contraction of air inside the airflow direction adjustment louver 31, blown air is prevented from intruding into the airflow direction adjustment louver 31 through the vent holes 312.
  • the cross-sectional area of the groove 313 is 5 square millimeters or less, and thus, it is not easy to fill the molten sealing member 31d into the groove 313.
  • WIM Fielding-In-Mold
  • molding method is employed as a method of filling molten resin.
  • FIG. 10 is a cross-sectional view of a WIM molding mold unit 70 that an upper mold 71 and a lower mold 81 are opened up and down.
  • FIG. 11 is a cross-sectional view of the WIM molding mold unit 70 that the upper mold 71 and the lower mold 81 are closed.
  • an assembly produced by overlapping the outer plate 31a and the inner plate 31b as shown in FIG. 6 , is set in the lower mold, and the upper mold and the lower mold are closed.
  • FIGS. 10 and 11 are drawings for illustrating an exemplary case that molten resin is injection-molded into a narrow groove through multiple gates.
  • a component, set within the mold unit is indicated with a component P having a simple groove G.
  • the upper mold 71 is provided with multiple gates 77, and molten resin, injected from an injection molding machine through a nozzle 73, is poured into the groove G through the multiple gates 77. Due to this, molten resin poured through the respective gates moves a roughly equal distance and completely fills up the groove G. Hence, the molten resin uninterruptedly prevails through the entire groove G without especially increasing injection pressure and molten resin temperature.
  • the amount of resin, remaining in a runner 75 for directing the molten resin to the multiple gates 77 is greater than or equal to roughly 50 times the amount of resin to be filled into the groove G, and thus, the mold of a hot runner type is used for reducing the disposal amount of resin.
  • the hot runner type employs a method of heating the surrounding of the runner 75 with heaters 78 and 79 so as to constantly maintain molten resin in a molten state.
  • the hot runner type is an economic method in that resin is not hardened within the runner 75 and is usable without being disposed of.
  • temperature regulation is performed for each of the multiple gates 77. Hence, the temperature of molten resin within the runner 75 can be properly maintained, and the fluidity of the molten resin flowing through the runner 75 can be also properly maintained.
  • molten resin having accumulated for a predetermined period of time or more, is configured to be forcibly discharged so as not to degrade the original property of the resin as a result of accumulation of the molten resin within the runner 75 for the predetermined period of time or more due to a trouble or so forth.
  • the predetermined period of time is preferably set to be 30 to 60 minutes in manufacturing the sealing member 31d according to the present embodiment.
  • FIG. 12 is a perspective view of the runner 75 and the airflow direction adjustment louver 31 immediately after molding of the sealing member 31d.
  • the shape of the runner 75 is exemplary only, and is not intended to be limited to that shown in FIG. 12 .
  • an annular part painted with black indicates the sealing member 31d, and the multiple gates 77 respectively face to the sealing member 31d.
  • the sealing member 31d can be molded by employing the multiple gates 77 even when having a small cross-sectional area and an elongated annular shape.
  • vent holes 312 do not exist in the pathway of blown air. Hence, it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver 31 through the vent holes.
  • vent holes 312 do not exist in the pathway of blown air, and it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver 31 through the vent holes.
  • the blown-out airflow path 18 and the vent holes 312 are divided through the sidewalls. Hence, it is avoided that cold air blown out in the cooling operation intrudes into the airflow direction adjustment louver 31 through the vent holes 312.
  • increase in thickness of the inside of the end surface of the airflow direction adjustment louver 31 can be inhibited and reduction in volume of the hollow part can be prevented by overlapping the outer plate 31a and the inner plate 31 b of the airflow direction adjustment louver 31 and by the method of filling up the groove 313 as the boundary between the both plates 31 a and 31 b with the sealing member 31 d.
  • the outer plate 31 a, the inner plate 31 b and the sealing member 31d are made of the same material. Thus, durability against thermal expansion and thermal shrinkage is more enhanced than joining of resin materials with different linear expansion coefficients. This results in enhancement in reliability.
  • vent holes 312 are herein bored in the pivot shafts 311, and consequently, it is only required to connect the nozzle to one end of the airflow direction adjustment louver 31. This is productive in that nozzles are connectable to the airflow direction adjustment louvers 31 to be consecutively transported in a manufacturing process without changing the postures of the airflow direction adjustment louvers 31.
  • the present invention is useful not only for a sealing member of an airflow direction adjustment louver but also for a product employing an elongated annular resin member with a small cross-sectional area.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
EP13833194.7A 2012-08-28 2013-08-02 Indoor air-conditioning unit Active EP2891847B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012187526A JP5479547B2 (ja) 2012-08-28 2012-08-28 空調室内機
PCT/JP2013/071035 WO2014034381A1 (ja) 2012-08-28 2013-08-02 空調室内機

Publications (3)

Publication Number Publication Date
EP2891847A1 EP2891847A1 (en) 2015-07-08
EP2891847A4 EP2891847A4 (en) 2015-10-07
EP2891847B1 true EP2891847B1 (en) 2017-06-21

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EP13833194.7A Active EP2891847B1 (en) 2012-08-28 2013-08-02 Indoor air-conditioning unit

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EP (1) EP2891847B1 (ja)
JP (1) JP5479547B2 (ja)
CN (1) CN104603550B (ja)
ES (1) ES2630380T3 (ja)
WO (1) WO2014034381A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6102863B2 (ja) * 2014-08-22 2017-03-29 ダイキン工業株式会社 羽根部品
JP6065076B1 (ja) * 2015-09-10 2017-01-25 ダイキン工業株式会社 壁掛け式の空調室内機
CN106642309A (zh) * 2016-09-19 2017-05-10 珠海格力电器股份有限公司 空调室内机和空调器
CN112378069A (zh) * 2017-09-30 2021-02-19 广东美的制冷设备有限公司 挡风板和空调室内机
WO2020121938A1 (ja) * 2018-12-12 2020-06-18 シャープ株式会社 送風装置
CN114216260A (zh) * 2021-12-07 2022-03-22 珠海格力电器股份有限公司 一种防凝露导风板及其防凝露控制方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9303875U1 (de) * 1993-03-18 1993-08-19 "Schako" Metallwarenfabrik Ferdinand Schad KG Zweigniederlassung Kolbingen, 78600 Kolbingen Drallauslaß
JPH10272527A (ja) * 1997-03-31 1998-10-13 Hitachi Ltd 鋼板製流線形ルーバの製作方法
JP3731299B2 (ja) * 1997-07-18 2006-01-05 株式会社富士通ゼネラル 空気調和機
JP3885845B2 (ja) * 1998-03-16 2007-02-28 株式会社富士通ゼネラル 空気調和機
JPH11270896A (ja) * 1998-03-24 1999-10-05 Toshiba Corp 空気調和機
DE20100756U1 (de) * 2001-01-15 2001-04-19 Schüco International KG, 33609 Bielefeld Aus einem Strangpreßprofil gefertigte Lamelle für eine Beschattungs- oder Lichtlenkungseinrichtung
CN2620835Y (zh) * 2003-04-03 2004-06-16 北京铸诚达通空调控制设备有限公司 中央空调风口
JP2004347264A (ja) * 2003-05-23 2004-12-09 Sharp Corp 送風装置、ルーバ及びそれを備えた空気調節装置
JP4141369B2 (ja) * 2003-10-17 2008-08-27 シャープ株式会社 風向板及び空気調和機
DE102005015739A1 (de) * 2004-05-12 2005-12-01 Konvekta Ag Luftklappe für eine Klimaanlage
DE102006033786A1 (de) * 2006-07-19 2008-04-10 Behr Gmbh & Co. Kg Verfahren zur Herstellung von Hohlraumklappen und entsprechend hergestellte Hohlraumklappe
JP2008281303A (ja) * 2007-05-14 2008-11-20 Panasonic Corp 空気調和機
JP2009014289A (ja) 2007-07-06 2009-01-22 Panasonic Corp 空気調和機
JP2009063275A (ja) * 2007-09-10 2009-03-26 Panasonic Corp 空気調和機
JP2009063274A (ja) * 2007-09-10 2009-03-26 Panasonic Corp 空気調和機
DE102008018427A1 (de) * 2008-04-10 2009-10-15 Behr Gmbh & Co. Kg Luftströmungsbeeinflussungselement
CN201476237U (zh) * 2009-06-25 2010-05-19 江苏友奥电器有限公司 一种导风叶
CN202274596U (zh) * 2011-10-24 2012-06-13 珠海格力电器股份有限公司 一种导风板及使用该导风板的空调器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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WO2014034381A1 (ja) 2014-03-06
JP2014044020A (ja) 2014-03-13
EP2891847A4 (en) 2015-10-07
EP2891847A1 (en) 2015-07-08
JP5479547B2 (ja) 2014-04-23
CN104603550A (zh) 2015-05-06
ES2630380T3 (es) 2017-08-21
CN104603550B (zh) 2017-04-26

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