EP2251617B1 - Matériel climatiseur d'intérieur - Google Patents

Matériel climatiseur d'intérieur Download PDF

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Publication number
EP2251617B1
EP2251617B1 EP09708312.5A EP09708312A EP2251617B1 EP 2251617 B1 EP2251617 B1 EP 2251617B1 EP 09708312 A EP09708312 A EP 09708312A EP 2251617 B1 EP2251617 B1 EP 2251617B1
Authority
EP
European Patent Office
Prior art keywords
movable panel
air conditioning
conditioning indoor
indoor unit
opening
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.)
Not-in-force
Application number
EP09708312.5A
Other languages
German (de)
English (en)
Other versions
EP2251617A1 (fr
EP2251617A4 (fr
Inventor
Tatsuhiko Akai
Tetsuji Inoue
Junichi Nakanishi
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 EP2251617A1 publication Critical patent/EP2251617A1/fr
Publication of EP2251617A4 publication Critical patent/EP2251617A4/fr
Application granted granted Critical
Publication of EP2251617B1 publication Critical patent/EP2251617B1/fr
Not-in-force 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F13/082—Grilles, registers or guards
    • 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
    • F24F13/20—Casings or covers

Definitions

  • the present invention relates to a ceiling-mounted air conditioning indoor unit.
  • an air conditioning indoor unit that closes an opening in an ornamental panel with a movable panel capable of being raised and lowered has been widely known (e.g., see JP-A No. 10-196 999 ).
  • the movable panel is hoisted by wires, the movable panel descends as a result of raising-and-lowering devices letting out those wires, and the movable panel ascends as a result of the raising-and-lowering devices taking up those wires.
  • the movable panel descends at a time of maintenance of filters, and the movable panel ascends and closes the opening at a time of operation and at a time of shutdown.
  • the opening completely opens only at the time of maintenance of the filters, and in a usual state, the opening leaves a suction port on both sides and is always closed.
  • the suction port is always open, and the filters and the inside of the indoor unit are exposed through that suction port, so the design remarkably drops.
  • the applicant conducted a study of an air conditioning indoor unit that rotatably supports, with a hinge system in the neighborhood of the suction port, a movable panel capable of being raised and lowered and closes the suction port at a time when operation is stopped.
  • the applicant found that in order to prevent interference with the periphery of the suction port when the movable panel opens the suction port while rotating, the clearance between the movable panel and the periphery of the suction port becomes set wide, and conversely that clearance lowers the design.
  • JP-A-11 063553 A a ceiling-buried air conditioner is disclosed, in which a hinge shaft, by which a suction grill is pivotably attached to a decorative panel, is positioned immediately alongside, i.e. is itself positioned in the immediate vicinity of the boundary between the decorative panel and the suction grill, to enable the latter to be easily demounted/mounted.
  • a ceiling-mounted air conditioning indoor unit comprising: a body that has an opening in its undersurface, from which air is sucked in at the time of operation of the air conditioning indoor unit; and a movable panel that opens the opening by rotating at the time of said operation and closes the opening by rotating at the time when said operation is stopped; wherein a center-of-rotation shaft of the movable panel is placed in a position away from the neighborhood of the boundary between the body and the movable panel.
  • Embodiments of the present invention provide, in an air conditioning indoor unit that rotatably supports a movable panel with a hinge system in the neighborhood of a suction port, an air conditioning indoor unit that is capable of setting the clearance between the movable panel and the periphery of the suction port small.
  • the movable panel when the movable panel opens the opening, the movable panel opens the opening while widening the clearance between the body and the movable panel, so the body and the movable panel do not interfere with each other.
  • the clearance between the body and the movable panel when the movable panel is closing the opening becomes set small, and the design improves.
  • the air conditioning indoor unit further comprises a lever that is detachably mounted on the movable panel and couples together the movable panel and the center-of-rotation shaft.
  • a lever that is detachably mounted on the movable panel and couples together the movable panel and the center-of-rotation shaft.
  • the movable panel has a slanted portion in a portion adjacent to the body.
  • the clearance between the body and the movable panel when the movable panel is closing the opening is set such that the body and the movable panel do not interfere with each other when the movable panel opens the opening, and with a movable panel that has a slanted portion, the clearance is set smaller in comparison to a movable panel that does not have a slanted portion.
  • the portion of the movable panel with the shortest moving distance moves below the portion that had been the boundary between the body and the movable panel when the movable panel had closed the opening.
  • the movable panel when the movable panel opens the opening, the movable panel covers part of the peripheral edge of the opening, so the clearance when seen from below is hidden, and the design improves.
  • the opening may be a suction port for sucking in air.
  • the clearance between the body and the movable panel when the movable panel is closing the suction opening becomes set small, and the design improves.
  • FIG. 1 is an exterior perspective view of an air conditioning indoor unit pertaining to the embodiment of the present invention.
  • an air conditioning indoor unit 2 is equipped with a body 20 that has a suction port 20a and a blowout port 20b in its undersurface, a movable panel 24 that opens and closes the suction port 20a, and a first blowing direction adjusting blade 52 that opens and closes the blowout port 20b.
  • the suction port 20a and the blowout port 20b are adjacent but spaced a certain distance apart from each other to ensure that so-called short-circuiting-or a phenomenon where air that has been blown out from the blowout port 20b is sucked back into the suction port 20a-does not occur.
  • the undersurface of the body 20 is covered by an ornamental panel 21 so that what is actually exposed to the ceiling surface is the ornamental panel 21, and the outlines of the suction port 20a and the blowout port 20b are formed by the ornamental panel 21.
  • the ornamental panel 21 is also included in the body 20.
  • FIG. 2(a) is a side view of the air conditioning indoor unit at a time when operation is stopped
  • FIG 2(b) is a side view of the air conditioning indoor unit at a time of operation
  • FIG. 2(c) is a side view of the air conditioning indoor unit at a time of maintenance.
  • the movable panel 24 looks as if it is integrated with the ornamental panel 21.
  • the movable panel 24 opens the suction port 20a
  • the first blowing direction adjusting blade 52 opens the blowout port 20b.
  • One end of the movable panel 24 is supported on the body 20 by hinges, and the movable panel 24 rotates and opens the suction port 20a.
  • the movable panel 24 can descend to a maintenance position that the user can reach by hand in a state where the movable panel 24 is hung on wires 71 extending from the body 20.
  • the movable panel 24 cannot descend to the maintenance position in a state where its one end is being supported on the body 20 by the hinges, so the movable panel 24 first closes the suction port 20a and then descends to the maintenance position after the support by the body 20 has been released.
  • FIG 3 is a cross-sectional view of the air conditioning indoor unit.
  • the air conditioning indoor unit 2 is further equipped with filters 9, a filter cleaning mechanism 10, an indoor heat exchanger 12, an indoor fan 13, a drain pan 14, and a blowout port module 50.
  • the suction port 20a and the blowout port 20b open, the indoor fan 13 rotates, and air is sucked in from the suction port 20a.
  • the indoor heat exchanger 12 has a shape where two heat exchangers are adjacent in different slanting postures; for convenience of description, the heat exchanger on the upper side will be called an upper heat exchanger 12a and the heat exchanger on the lower side will be called a lower heat exchanger 12b.
  • the upper end of the upper heat exchanger 12a is positioned in the upper portion of the inside of the body 20, and the angle at which the upper heat exchanger 12a slants from its upper end toward its lower end is set to be equal to or greater than 45° and equal to or less than 60° (and preferably 55°) with respect to a horizontal line, so that condensation water reliably travels through the upper heat exchanger 12a toward the drain pan 14. For this reason, it is not necessary for the drain pan 14 to be placed below the entire upper heat exchanger 12a, and the drain pan 14 is placed only below the neighborhood of the lower end of the upper heat exchanger 12a.
  • the upper end of the lower heat exchanger 12b is placed in proximity to the lower end of the upper heat exchanger 12a, and the angle at which the lower heat exchanger 12b slants from its upper end toward its lower end is less than 45° with respect to a horizontal line. For this reason, there is the potential for condensation water to fall directly therefrom, so the drain pan 14 is placed below the entire lower heat exchanger 12b.
  • the indoor fan 13 is a cross-flow fan, has a width dimension that is longer than its diameter, and sucks in air from a direction perpendicular to its axis of rotation, so the indoor fan 13 can suck in air from the single suction port 20a and blow out air to the single blowout port 20b.
  • the air that has been sucked in passes through the filters 9 and the indoor heat exchanger 12 and enters the indoor fan 13.
  • the air that has been blown out from the indoor fan 13 passes through the blowout port module 50 and is blown out from the blowout port 20b.
  • the first blowing direction adjusting blade 52 that is a component of the blowout port module 50; the angle of inclination of the first blowing direction adjusting blade 52 is adjustable by a motor, and at the time when operation is stopped, the first blowing direction adjusting blade 52 closes the blowout port 20b.
  • a tongue portion 15 Between the indoor fan 13 and the drain pan 14 and on a blowout flow path 41 a side, there is disposed a tongue portion 15, and this tongue portion 15 prevents leakage of the blowout air and improves performance.
  • the air conditioning indoor unit 2 is equipped with the filter cleaning mechanism 10 above the movable panel 24.
  • the configural members of the filter cleaning mechanism 10 will be described below.
  • the filters 9 are placed on the front surface side of the indoor heat exchanger 12 and remove dust from the air that has been taken in from the indoors. Thus, the filters 9 prevent dust floating in the air from contaminating the surface of the indoor heat exchanger 12. In edge portions of the filters 9, there are formed racks 101 that mesh with pinion gears 102a.
  • a roller 102 has the pinion gears 102a.
  • the pinion gears 102a mesh with the racks 101 of the filters 9 and rotate to thereby cause the filters 9 to move horizontally.
  • the positions where the filters 9 stop are detected by position detection switches 107.
  • the position detection switches 107 are placed in the neighborhood of the terminal end of a front housing portion 105 and in the neighborhood of the terminal end of a rear housing portion 106.
  • levers are mounted by hinges, and when external force is applied, the levers rotate and push buttons of the position detection switches 107.
  • a brush 108 is positioned on the opposite side of the roller 102 across the filters 9 and touches the filters 9.
  • a dust box 109 has a dust intake port 109a in its upper portion on the side toward the blowout port 20b and supports a rotating shaft of the brush 108 via bearings on both ends in the lengthwise direction of the dust intake port. Moreover, a comb portion 109c that knocks the dust that the brush 108 has scraped off of the filters 9 off of the brush 108 is attached to the dust intake port.
  • the filters 9 are automatically cleaned periodically by a control unit or by a remote controller when the user deems it necessary. The mechanism thereof will be described below.
  • the racks 101 of the filters 9 fit in the front housing portion 105, and one end of each of the racks 101 (hereinafter called first end portions) meshes with the pinion gears 102a.
  • first end portions meshes with the pinion gears 102a.
  • the roller 102 rotates, the rotation is transmitted from the pinion gears 102a to the racks 101, and the racks 101 of the filters 9 are conveyed toward the rear housing portion 106 by the roller 102.
  • the roller 102 continues rotating, whereby the first end portions of the racks 101 reach the terminal end of the rear housing portion 106.
  • the brush 108 rotates at least during the period when the filters 9 are moving from the front housing portion 105 to the rear housing portion 106, and the direction of rotation thereof is a direction counter to the traveling direction of the filters 9.
  • the control unit causes the roller 102 to reversely rotate.
  • the other end portions (hereinafter called second end portions) of the racks 101 of the filters 9 mesh with the pinion gears 102a, so the rotation is transmitted from the pinion gears 102a to the racks 101 and the filters 9 are conveyed toward the front housing portion 105 by the roller 102.
  • the roller 102 continues reversely rotating, whereby the second end portions of the racks 101 reach the terminal end of the front housing portion 105.
  • FIG. 4 is a perspective view of the ornamental panel. As shown in FIG. 4 , on the surface on the ceiling side of the ornamental panel 21, there are placed hinge coupling devices 6 and the raising-and-lowering devices 7.
  • the hinge coupling devices 6 rotatably support one end of the movable panel 24 when the air conditioning indoor unit 2 runs and release the support of the one end of the movable panel 24 when the movable panel 24 is lowered to the maintenance position.
  • FIG. 5 is an exploded perspective diagram of the hinge coupling devices.
  • each of the hinge coupling devices 6 has a rotating lever 61, a slide member 62, a first pin 63, a pinion gear 64, a motor 65, a fixing member 66, a second pin 67, and screws 68.
  • the rotating lever 61 is a U-shaped member, and a rod-shaped support shaft 61a projects outward from an end surface. Moreover, a shaft hole 61b is formed in one end portion of the rotating lever 61.
  • the slide member 62 there are formed a rack 62a that meshes with the pinion gear 64 and arms 62b that sandwich both ends of the shaft hole 61b in the rotating lever 61. Moreover, in the arms 62b, there is formed a first slide hole 62c, and in the neighborhood of the base of the rack 62a, there is formed a second slide hole 62d.
  • the motor 65 is a stepping motor and causes the pinion gear 64 to rotate.
  • the motor 65 has through holes 65a through which the screws 68 pass.
  • a slide space 66a that slidably holds the slide member 62, a gear space 66b into which the pinion gear 64 is inserted, and screw holes 66c into which the screws 68 are screwed.
  • a first through hole 66d and a second through hole 66e are formed in the walls that form the slide space 66a.
  • the slide member 62 is placed in the slide space 66a in the fixing member 66, and the rotating lever 61 is placed in the slide member 62 such that the shaft hole 61b in the rotating lever 61 is sandwiched between the arms 62b of the slide member 62.
  • the first pin 63 is inserted from one end of the first through hole 66d in the fixing member 66, passes through the first slide hole 62c in the slide member 62 and the shaft hole 61b in the rotating lever 61, and reaches the other end of the first through hole 66d.
  • the second pin 67 is inserted from one end of the second through hole 66e, passes through the second slide hole 62d in the slide member 62, and reaches the other end of the second through hole 66e.
  • the slide member 62 can move horizontally in the slide space along the first pin 63 and the second pin 67, and the rotating lever 61 can rotate about the first pin 63.
  • the movable panel 24 In the end portion of the movable panel 24, there are disposed support holes that confront the support shafts 61 a of the rotating levers 61, and when the motors 65 forwardly rotate such that the support shafts 61a are inserted in the support holes in the movable panel 24, coupling between the rotating levers 61 and the movable panel 24 becomes established, and the movable panel 24 can rotate about the first pins 63.
  • FIG. 6 is a view of the layout of parts inside each of the raising-and-lowering devices.
  • each of the raising-and-lowering devices 7 has a wire 71, a pulley 72, a bobbin 73, a take-up gear 74, a drive gear 75, a raising-and-lowering motor 76, and a switch 77.
  • the pulley 72 comprises a pulley portion 72a and a cam portion 72b that are integrally molded, and the pulley portion 72a supports the wire 71 and rotates in accompaniment with the movement of the wire 71.
  • the cam portion 72b comprises a small diameter curved surface, a large diameter curved surface, and a flat surface that interconnects both of those curved surfaces.
  • the bobbin 73 takes up the wire 71.
  • the take-up gear 74 is coaxially coupled to and integrally rotates with the bobbin 73.
  • the drive gear 75 meshes with the take-up gear 74 and causes the bobbin 73 to rotate.
  • the raising-and-lowering motor 76 is a stepping motor and causes the drive gear 75 to rotate.
  • the speed of the raising-and-lowering motor 76 is controlled by a number of pulses supplied from the control unit.
  • the control unit has a built-in CPU, memory, and motor drive circuit and is placed in another position away from the raising-and-lowering device 7.
  • the control unit is electrically connected to the raising-and-lowering motor 76 by a wire harness.
  • the switch 77 is a micro switch having a lever 77a and is switched ON as a result of the lever 77a being pushed.
  • the lever 77a always touches the cam portion 72b of the pulley 72 and is pushed when it confronts the large diameter curved surface of the cam portion 72b.
  • the switch 77 is also electrically connected to the control unit by a wire harness.
  • the raising-and-lowering motors 76 cause the drive gears 75 to rotate in direction CW and cause the take-up gears 74 to rotate in direction CCW.
  • the bobbins 73 rotate in the direction where they take up the wires 71.
  • the let-out amount and the take-up amount of the wires are proportional to the amount of rotation of the raising-and-lowering motors 76, and the let-out amount and the take-up amount of the wires 71 are controlled as a result of the control unit controlling the number of pulses it supplies to the raising-and-lowering motors 76.
  • the movable panel 24 is coupled to the distal ends of the wires 71, so there is always tension in the wires 71, and when the wires 71 are let out or when the wires 71 are taken up, the pulley portions 72a rotate because of frictional force with the wires 71.
  • the cam portions 72b also rotate, so the switches 77 issue ON signals when the levers 77a confront the large diameter curved surfaces of the cam portions 72b and issue OFF signals when the levers 77a confront the small diameter curved surfaces. While the pulleys 72 are rotating, the ON signals and the OFF signals are alternately generated, and these signals are all inputted to the control unit.
  • FIG. 7 is a partial cross-sectional view of the air conditioning indoor unit when the movable panel has opened the suction opening.
  • the movable panel 24 descends because of its own weight. However, because the end portion of the movable panel 24 is coupled to the hinge coupling devices 6, the movable panel 24 rotates about the first pins 63 in the direction where it opens the suction opening 20a.
  • the first pins 63 are position in the space sandwiched between the suction port 20a and the blowout port 20b in the body 20, and the end portion of the movable panel 24 that is nearest to the body 20 rotates while drawing a large circular arc, so the movable panel 24 does not interfere with the peripheral edge of the suction port 20a.
  • the surface of the movable panel 24 on the side near the center of rotation is configured as a slanted surface 24d and slanted upward away from the center of rotation, so when the movable panel 24 rotates, the movable panel 24 does not interfere with the peripheral edge of the suction port 20a.
  • the design of the air conditioning indoor unit 2 improves.
  • the movable panel 24 When the raising-and-lowering devices 7 take up the wires 71, the movable panel 24 ascends, but because the end portion of the movable panel 24 is coupled to the hinge coupling devices 6, the movable panel 24 rotates about the first pins 63 in the direction where it closes the suction port 20a.
  • the present air conditioning indoor unit is useful where it rotatably supports, with a hinge system in the neighborhood of a suction port, a movable panel capable of being raised and lowered and which closes the suction port at a time when operation is stopped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air-Flow Control Members (AREA)

Claims (5)

  1. Unité intérieure de climatisation montée au plafond, comprenant :
    un corps (20) qui a une ouverture (20a) dans sa surface de dessous, à partir de laquelle de l'air est aspiré au moment du fonctionnement de l'unité intérieure de climatisation (2) ; et
    un panneau mobile (24), caractérisé en ce qu'il ouvre l'ouverture (20a) par rotation au moment dudit fonctionnement et ferme l'ouverture (20a) par rotation au moment où ledit fonctionnement est arrêté ;
    dans lequel un arbre de centre de rotation (63) du panneau mobile (24) est placé dans une position loin du voisinage de la frontière entre le corps (20) et le panneau mobile (24).
  2. Unité intérieure de climatisation (2) selon la revendication 1, comprenant en outre un levier (61) qui est monté de façon amovible sur le panneau mobile (24) et joint ensemble le panneau mobile (24) et l'arbre de centre de rotation (63).
  3. Unité intérieure de climatisation (2) selon la revendication 1 ou la revendication 2, dans laquelle le panneau mobile (24) a une partie inclinée (24d) dans une partie adjacente au corps (20).
  4. Unité intérieure de climatisation (2) selon l'une quelconque de la revendication 1 à la revendication 3, dans laquelle lorsque le panneau mobile (24) ouvre l'ouverture (20a), la partie du panneau mobile (24) avec la distance de déplacement la plus courte se déplace au-dessous de la partie qui avait été la frontière entre le corps (20) et le panneau mobile (24) quand le panneau mobile (24) avait fermé l'ouverture (20a).
  5. Unité intérieure de climatisation (2) selon l'une quelconque de la revendication 1 à la revendication 4, dans laquelle l'ouverture (20a) est un orifice d'aspiration pour aspirer de l'air.
EP09708312.5A 2008-02-05 2009-01-21 Matériel climatiseur d'intérieur Not-in-force EP2251617B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008025651 2008-02-05
JP2008186409A JP4433076B2 (ja) 2008-02-05 2008-07-17 空調室内機
PCT/JP2009/000206 WO2009098837A1 (fr) 2008-02-05 2009-01-21 Matériel climatiseur d'intérieur

Publications (3)

Publication Number Publication Date
EP2251617A1 EP2251617A1 (fr) 2010-11-17
EP2251617A4 EP2251617A4 (fr) 2013-05-01
EP2251617B1 true EP2251617B1 (fr) 2017-03-22

Family

ID=40951918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09708312.5A Not-in-force EP2251617B1 (fr) 2008-02-05 2009-01-21 Matériel climatiseur d'intérieur

Country Status (5)

Country Link
EP (1) EP2251617B1 (fr)
JP (1) JP4433076B2 (fr)
CN (1) CN101932888B (fr)
ES (1) ES2620369T3 (fr)
WO (1) WO2009098837A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105588192B (zh) * 2015-06-09 2019-01-22 青岛海信日立空调系统有限公司 一种嵌入式空调室内机
CN108397822B (zh) * 2018-01-12 2019-12-31 青岛海尔空调器有限总公司 壁挂式空调室内机
CN110785567B (zh) * 2018-05-14 2021-06-01 日立江森自控空调有限公司 空调机

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
JP2675695B2 (ja) 1991-07-18 1997-11-12 大日本スクリーン製造株式会社 走査ビームの光量制御方法
JP3306898B2 (ja) * 1992-03-26 2002-07-24 株式会社日立製作所 空気調和機
JPH0674552A (ja) * 1992-08-28 1994-03-15 Toshiba Corp 空気調和機
EP0768500B1 (fr) * 1995-10-13 2003-09-24 SANYO ELECTRIC Co., Ltd. Commande pour l'élévation d'une grille d'aspiration
JP3070470B2 (ja) * 1996-01-22 2000-07-31 ダイキン工業株式会社 天井埋込型空気調和機
JP3816170B2 (ja) 1996-12-27 2006-08-30 小波株式会社 天井埋込型空気調和装置
JP3750298B2 (ja) * 1997-08-20 2006-03-01 株式会社富士通ゼネラル 天井埋込形空気調和機
JP3950268B2 (ja) * 1999-08-30 2007-07-25 三菱重工業株式会社 天井埋込型空気調和装置

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
CN101932888A (zh) 2010-12-29
WO2009098837A1 (fr) 2009-08-13
EP2251617A1 (fr) 2010-11-17
EP2251617A4 (fr) 2013-05-01
JP2009210250A (ja) 2009-09-17
JP4433076B2 (ja) 2010-03-17
CN101932888B (zh) 2013-05-08
ES2620369T3 (es) 2017-06-28

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