EP1726890A1 - Indoor unit of an air conditioner - Google Patents
Indoor unit of an air conditioner Download PDFInfo
- Publication number
- EP1726890A1 EP1726890A1 EP06380106A EP06380106A EP1726890A1 EP 1726890 A1 EP1726890 A1 EP 1726890A1 EP 06380106 A EP06380106 A EP 06380106A EP 06380106 A EP06380106 A EP 06380106A EP 1726890 A1 EP1726890 A1 EP 1726890A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- casing
- air
- indoor unit
- outlet
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- 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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
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- 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
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- 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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- 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 invention relates to an indoor unit of an air conditioner of the type that consists of a hollow casing with vents for the inlet and outlet of air, respectively, being housed therein at least one heat exchanger and a fan that inhales air, through the inlet vent, from the comfort area of a room to the surfaces of the heat exchanger and returns it, through the outlet vent, to said comfort area.
- the known indoor units of air conditioners consist of an outer casing, in the form of a cabinet, with an air inlet grille or orifice situated preferably, in apparatus to be installed in a horizontal or vertical position, on the lower part and an air outlet grille or orifice situated on the front part of the casing.
- Said units also comprise a heat exchanger generally consisting, in cooling apparatus, of an evaporator that cools the air that enters the casing through the inlet grille using the evaporation heat of a refrigerant.
- a fan housed inside the casing is responsible for inhaling the air from the room, directing it towards the heat exchanger of the indoor unit and expelling it towards the outside through the outlet grille or through tubes.
- An example of an indoor unit of an air conditioner is disclosed in document WO 3033965 .
- the casing of the unit has a front orifice or a grille that extends horizontally, behind which a tangential fan is positioned, inside the casing, which inhales and expels the air in a tangential direction in relation to its axis of rotation.
- this type of fan with an axis of rotation parallel to the inlet grille or orifice, has been used because the fan motor can be housed inside the casing at one of the ends of the fan, thus increasing the length of the casing to a greater or lesser extent whilst avoiding having to increase the thickness thereof.
- the thickness of the casing is determined by the diameter of the fan wheel, which, to achieve an optimum airflow, must have a minimum size. As has been mentioned above, this minimum size conditions the thickness of the casing; the greater the airflow, the thicker the casing.
- centrifugal fans positioned inside the casing in such a way that their axis of rotation is perpendicular to the largest faces of said casing, partly solves the aforementioned problems.
- the diameter of the fan wheel does not condition the thickness of the casing
- the size of the drive motor of said fans does condition said thickness.
- This type of fan is often used in units to be installed horizontally on the ceilings of rooms requiring air conditioning. In this type of installations the thickness of the unit is not particularly relevant as the unit is usually built into the false ceiling of the room and the formwork of the floor above.
- the indoor unit of an air conditioner that is the object of the invention overcomes the aforementioned problems.
- Said unit consists of an essentially parallelepipedic straight rectangular hollow casing with vents for the inlet and outlet of air, respectively, being housed therein at least one filter element, at least one heat exchanger and a centrifugal fan that inhales air, through the inlet vent, from the comfort area of a room to the surfaces of the heat exchanger and returns it, through the outlet vent, to said comfort area.
- the unit is essentially characterised in that it comprises a separator that divides the casing into two transversal cavities, one inlet cavity and one outlet cavity, with an opening for the air to pass from one cavity to the other, the fan being positioned in said opening of the separator, in such a way that its axis of rotation is essentially perpendicular to the largest faces of the casing, said opening constituting the entrance to the air intake of the fan, and in that the heat exchanger is situated on one side or other of the fan, always outside the projection, in an axial direction, of the air intake thereof.
- the unit is characterised in that the drive motor of the fan is housed therein, and in that the stator of said motor is housed inside a casing situated in the air intake of the fan, fastened to one of the largest faces of the hollow casing of the indoor unit.
- the fan wheel comprises a flat annulus or flat circle that joins the blades of said wheel, which project from the air intake towards the ends of the fan, the annulus being joined to the rotor of the drive motor of the fan, which is an external rotor motor, and in that the stator of said motor is fastened, by supports, to the face of the casing adjacent to the annulus of the fan wheel.
- the indoor unit 1 of the air conditioner shown by way of an example in Fig. 1 is formed in a known way by a parallelepipedic straight rectangular hollow casing 2 with vents for the inlet 18 and outlet 19 of air, respectively, being housed therein two filter elements 3, that cover said air inlet and outlet vents; a heat exchanger 4; and a centrifugal fan 5 that inhales air, through the inlet vent 18, from the comfort area of a room to the surfaces of the heat exchanger 4 and returns it, through the outlet vent 19, to said comfort area.
- the indoor unit 1 comprises a separator 6 that divides the casing into two transversal cavities, one inlet cavity 1 a and one outlet cavity 1 b.
- the separator has an opening 11 (see Fig. 3) for the air to pass from the inlet cavity 1 a to the outlet cavity 1b, always through the centrifugal fan 5 positioned for this purpose on one side of said opening in the separator, its axis of rotation being perpendicular to the largest faces 17 and 17' of the casing 2, said opening 11 constituting the fan's air intake 7.
- the heat exchanger 4 is situated in the inlet cavity 1 a of the casing 2, outside the projection, in an axial direction, of the fan's air intake 7.
- the air flow through the inside of the casing 2 follows an axial direction at the inlet of the fan 5 and flows perpendicular to the axis thereof at the outlet of the fan 5, the inlet direction and outlet direction of the air thus forming a right angle.
- the fan 5 is preferably of the type fitted with blades 9 facing forwards (action) or backwards (reaction).
- Fans fitted with blades facing forwards have a larger number of blades but generate little noise. For the same speed of rotation, this type of fan achieves the same airflow with a smaller fan compared to other types of fan.
- Fans fitted with blades facing backwards offer better performance than the former type because the old flat blades can be replaced by the latest designs with an aerodynamic profile, making it possible to reach performances of between 75 and 80% although, for the same speed of rotation and number of blades, their mass flow rate and their pressure are lower than fans of the type that have blades facing forwards.
- the fan works at few revolutions per minute; to be specific, with a motor with 6 or more poles it can work at up to 950 revolutions per minute.
- the stator 10 of the drive motor 12 is housed inside a casing 13 situated in the air intake 7 of the fan 5, fastened to one of the largest faces of the hollow casing 2 of the indoor unit.
- the thickness of the casing 2 adapts to measurements very similar to those of the drive motor 12, which in turn guarantees an airflow of the proportions between the diameter and the outlet height of the blades of the fan described above.
- the wheel 8 of the fan 5 comprises a flat annulus 15 that joins the blades 9 of said wheel, which project from the annulus towards the air intake 7, said annulus 15 being joined to the rotor 14 of the drive motor 12 of the fan 5.
- the drive motor 12 is an internal rotor motor, and the stator 10 of said motor is fastened, by corresponding supports 16', to the face 17' opposite the face 17 of the casing 2 that is adjacent to the annulus 15 of the fan wheel.
- the drive motor 12 is an external rotor motor, and the stator 10 of said motor is fastened, by supports 16, to the face 17 of the casing 2 adjacent to the annulus 15 of the wheel 8 of the fan 5.
- the supports 16 do not have to be adapted to the thickness of the casing 2.
- Fig. 2c shows another variant of an indoor unit of an air conditioner according to the invention, and more specifically of the separator 6 and the area in which the wheel 8 is located.
- the face 17 of the casing 2 is not flat and that, unlike the variants in Figs. 2a and 2b, it has a recess 20 that determines a housing wherein the drive motor 12 of the fan 5 is located.
- Said motor 12 is firmly attached to the casing by means of supports 16' and it also has a second set of wall fastening supports 21 for the attachment thereof to the walls of the room, preferably to the wall adjacent to the ceiling.
- the recess 20 takes the form of an inverted dome and has a hole through which the axis of rotation of the fan 5, driven by the rotor 14 of the drive motor 12 is inserted into the casing 2 to thereby transmit the rotational movement to the wheel 8 of the fan 5.
- this constructive variant it is not necessary to dismantle the casing 2 to perform any maintenance or repair work on the drive motor 12.
- the separator 6 that performs said function.
- the opening 11 in the separator 6 has a section, like a funnel, that widens in the direction of the airflow.
- the walls that constitute the air intake of the fan 5, which form part of the separator 6, are of a concave generatrix whilst the upper profile of the blade 9 is straight.
- the upper profile of the blades 9 can be curved and that the walls that constitute the air intake of the fan 5 can have a straight generatrix or can have a curvature that is complementary to that of the upper profile of the blades 9.
- the opening 11 in the separator 6 does not have a collar to accompany the air inhaled by the fan 5 towards the blades 9.
- the separator 6 can have a rounded form to aid the flow of air as it leaves the fan 5, towards the outlet vent 19, similar to spiral-shaped casings.
- the air inlet 18 and outlet 19 vents can be situated on the lateral faces or on the front face of the casing 2.
- the heat exchanger 4 it is disposed at an angle to the largest faces 17 and 17' of the casing 2 of the indoor unit 1, thus maximising the surface area for contact with the air.
- the indoor unit 1 of the air conditioner that is the object of the invention can either be installed in a horizontal position, suspended from the ceiling of the room to be air conditioned, or in a vertical position, resting against one of the walls of said room, occupying a minimum space thanks to the reduction in the thickness of the casing 2.
Abstract
Description
- The invention relates to an indoor unit of an air conditioner of the type that consists of a hollow casing with vents for the inlet and outlet of air, respectively, being housed therein at least one heat exchanger and a fan that inhales air, through the inlet vent, from the comfort area of a room to the surfaces of the heat exchanger and returns it, through the outlet vent, to said comfort area.
- The known indoor units of air conditioners consist of an outer casing, in the form of a cabinet, with an air inlet grille or orifice situated preferably, in apparatus to be installed in a horizontal or vertical position, on the lower part and an air outlet grille or orifice situated on the front part of the casing. Said units also comprise a heat exchanger generally consisting, in cooling apparatus, of an evaporator that cools the air that enters the casing through the inlet grille using the evaporation heat of a refrigerant. A fan housed inside the casing is responsible for inhaling the air from the room, directing it towards the heat exchanger of the indoor unit and expelling it towards the outside through the outlet grille or through tubes.
- An example of an indoor unit of an air conditioner is disclosed in document
WO 3033965 - The use of centrifugal fans, positioned inside the casing in such a way that their axis of rotation is perpendicular to the largest faces of said casing, partly solves the aforementioned problems. Despite the fact that the diameter of the fan wheel does not condition the thickness of the casing, the size of the drive motor of said fans does condition said thickness. This type of fan is often used in units to be installed horizontally on the ceilings of rooms requiring air conditioning. In this type of installations the thickness of the unit is not particularly relevant as the unit is usually built into the false ceiling of the room and the formwork of the floor above.
- There is therefore a need for an indoor air-conditioning unit that is thinner than known units, without this entailing a reduction in the flow of inhaled air, ensuring an optimum cooling capacity of the air conditioner.
- The indoor unit of an air conditioner that is the object of the invention overcomes the aforementioned problems. Said unit consists of an essentially parallelepipedic straight rectangular hollow casing with vents for the inlet and outlet of air, respectively, being housed therein at least one filter element, at least one heat exchanger and a centrifugal fan that inhales air, through the inlet vent, from the comfort area of a room to the surfaces of the heat exchanger and returns it, through the outlet vent, to said comfort area.
- The unit is essentially characterised in that it comprises a separator that divides the casing into two transversal cavities, one inlet cavity and one outlet cavity, with an opening for the air to pass from one cavity to the other, the fan being positioned in said opening of the separator, in such a way that its axis of rotation is essentially perpendicular to the largest faces of the casing, said opening constituting the entrance to the air intake of the fan, and in that the heat exchanger is situated on one side or other of the fan, always outside the projection, in an axial direction, of the air intake thereof.
- According to another characteristic of the invention, the relationship between the diameter (D) of the fan wheel and the outlet height (h) of the fan blades follows the ratio: D/h = 5.5.
- According to another characteristic of the invention, the unit is characterised in that the drive motor of the fan is housed therein, and in that the stator of said motor is housed inside a casing situated in the air intake of the fan, fastened to one of the largest faces of the hollow casing of the indoor unit.
- According to another characteristic of the invention, the fan wheel comprises a flat annulus or flat circle that joins the blades of said wheel, which project from the air intake towards the ends of the fan, the annulus being joined to the rotor of the drive motor of the fan, which is an external rotor motor, and in that the stator of said motor is fastened, by supports, to the face of the casing adjacent to the annulus of the fan wheel.
- In the attached drawings an embodiment of the indoor unit of an air conditioner according to the invention is illustrated by means of a non-limiting example. In said drawings:
- Fig. 1 is a view of the longitudinal section of an indoor unit according to the invention;
- Figs. 2a, 2b and 2b each show cross-section views of the separator and the fan corresponding to three variants of an indoor unit according to the invention; and
- Fig. 3 shows a schematic perspective view of the indoor unit shown in Fig. 1.
- The
indoor unit 1 of the air conditioner shown by way of an example in Fig. 1 is formed in a known way by a parallelepipedic straight rectangularhollow casing 2 with vents for theinlet 18 andoutlet 19 of air, respectively, being housed therein twofilter elements 3, that cover said air inlet and outlet vents; aheat exchanger 4; and acentrifugal fan 5 that inhales air, through theinlet vent 18, from the comfort area of a room to the surfaces of theheat exchanger 4 and returns it, through theoutlet vent 19, to said comfort area. - As is shown in Figs. 1 and 3, the
indoor unit 1 comprises aseparator 6 that divides the casing into two transversal cavities, oneinlet cavity 1 a and oneoutlet cavity 1 b. The separator has an opening 11 (see Fig. 3) for the air to pass from theinlet cavity 1 a to theoutlet cavity 1b, always through thecentrifugal fan 5 positioned for this purpose on one side of said opening in the separator, its axis of rotation being perpendicular to thelargest faces 17 and 17' of thecasing 2, said opening 11 constituting the fan'sair intake 7. In the example shown in Figs. 1 and 3 theheat exchanger 4 is situated in theinlet cavity 1 a of thecasing 2, outside the projection, in an axial direction, of the fan'sair intake 7. - The air flow through the inside of the
casing 2 follows an axial direction at the inlet of thefan 5 and flows perpendicular to the axis thereof at the outlet of thefan 5, the inlet direction and outlet direction of the air thus forming a right angle. - The
fan 5 is preferably of the type fitted withblades 9 facing forwards (action) or backwards (reaction). Fans fitted with blades facing forwards have a larger number of blades but generate little noise. For the same speed of rotation, this type of fan achieves the same airflow with a smaller fan compared to other types of fan. Fans fitted with blades facing backwards offer better performance than the former type because the old flat blades can be replaced by the latest designs with an aerodynamic profile, making it possible to reach performances of between 75 and 80% although, for the same speed of rotation and number of blades, their mass flow rate and their pressure are lower than fans of the type that have blades facing forwards. - In general, by using this type of fans it is not necessary to reach high speeds of rotation to achieve sufficient flow and force of air. In this embodiment the fan works at few revolutions per minute; to be specific, with a motor with 6 or more poles it can work at up to 950 revolutions per minute.
- In order to achieve the optimum flow with the minimum space in which to locate the drive motor of the
fan 5, the relationship between the diameter D of thewheel 8 of thefan 5 and the outlet height h of thefan blades 9 follows the expression D/h = 5.5. It is thus possible to achieve, as can be seen in Fig. 3, a considerable reduction in the thickness of thecasing 2 compared to the current thickness of known indoor units, keeping the same technical features as regards cooling capacity, airflow, available pressure, electrical consumption and noise level. This reduction is actually due to not only the dimensions of thefan 5 but also the innovative location of thedrive motor 12 inside theair intake 7 of thefan 5. With these characteristics it is possible to reduce the maximum thickness of the casing of conventional indoor units of air conditioners by between 30 and 40%. - In effect, as can be observed in detail in Figs. 2 and 3, the
stator 10 of thedrive motor 12 is housed inside acasing 13 situated in theair intake 7 of thefan 5, fastened to one of the largest faces of thehollow casing 2 of the indoor unit. With the motor thus located, the thickness of thecasing 2 adapts to measurements very similar to those of thedrive motor 12, which in turn guarantees an airflow of the proportions between the diameter and the outlet height of the blades of the fan described above. - As can be observed in Figs. 2a and 2b the
wheel 8 of thefan 5 comprises aflat annulus 15 that joins theblades 9 of said wheel, which project from the annulus towards theair intake 7, saidannulus 15 being joined to therotor 14 of thedrive motor 12 of thefan 5. In the example in Fig. 2b, thedrive motor 12 is an internal rotor motor, and thestator 10 of said motor is fastened, by corresponding supports 16', to the face 17' opposite theface 17 of thecasing 2 that is adjacent to theannulus 15 of the fan wheel. - By way of an alternative, in the example shown in Fig. 2a the
drive motor 12 is an external rotor motor, and thestator 10 of said motor is fastened, bysupports 16, to theface 17 of thecasing 2 adjacent to theannulus 15 of thewheel 8 of thefan 5. This has an advantage over the previous variant, in that thesupports 16 do not have to be adapted to the thickness of thecasing 2. - Fig. 2c shows another variant of an indoor unit of an air conditioner according to the invention, and more specifically of the
separator 6 and the area in which thewheel 8 is located. In said variant it can be observed that theface 17 of thecasing 2 is not flat and that, unlike the variants in Figs. 2a and 2b, it has arecess 20 that determines a housing wherein thedrive motor 12 of thefan 5 is located. Saidmotor 12 is firmly attached to the casing by means of supports 16' and it also has a second set of wall fastening supports 21 for the attachment thereof to the walls of the room, preferably to the wall adjacent to the ceiling. - In the example shown in Fig. 2c, the
recess 20 takes the form of an inverted dome and has a hole through which the axis of rotation of thefan 5, driven by therotor 14 of thedrive motor 12 is inserted into thecasing 2 to thereby transmit the rotational movement to thewheel 8 of thefan 5. Advantageously, according to this constructive variant it is not necessary to dismantle thecasing 2 to perform any maintenance or repair work on thedrive motor 12. - Unlike known indoor units, wherein the
fan 5 has its own casing that encloses the fan wheel and forms the fan's air intake, in the indoor unit according to the invention it is theseparator 6 that performs said function. As can be observed in Fig. 1, theopening 11 in theseparator 6 has a section, like a funnel, that widens in the direction of the airflow. In said figure, the walls that constitute the air intake of thefan 5, which form part of theseparator 6, are of a concave generatrix whilst the upper profile of theblade 9 is straight. Although not shown in the drawings, it should be understood that the upper profile of theblades 9 can be curved and that the walls that constitute the air intake of thefan 5 can have a straight generatrix or can have a curvature that is complementary to that of the upper profile of theblades 9. - In Figs. 2a and 2b, by way of an alternative, the
opening 11 in theseparator 6 does not have a collar to accompany the air inhaled by thefan 5 towards theblades 9. - On the outlet side, the
separator 6 can have a rounded form to aid the flow of air as it leaves thefan 5, towards theoutlet vent 19, similar to spiral-shaped casings. - Naturally, the
air inlet 18 andoutlet 19 vents can be situated on the lateral faces or on the front face of thecasing 2. As regards theheat exchanger 4, it is disposed at an angle to the largest faces 17 and 17' of thecasing 2 of theindoor unit 1, thus maximising the surface area for contact with the air. - With these characteristics, the
indoor unit 1 of the air conditioner that is the object of the invention can either be installed in a horizontal position, suspended from the ceiling of the room to be air conditioned, or in a vertical position, resting against one of the walls of said room, occupying a minimum space thanks to the reduction in the thickness of thecasing 2.
Claims (4)
- Indoor unit (1) of an air conditioner of the type that consist of an essentially parallelepipedic straight rectangular hollow casing (2) with vents for the inlet (18) and outlet (19) of air, respectively, being housed therein at least one filter element (3), at least one heat exchanger (4) and a centrifugal fan (5) that inhales air, through the inlet vent, from the comfort area of a room to the surfaces of the heat exchanger and returns it, through the outlet vent, to said comfort area, characterised in that it comprises a separator (6) that divides the casing into two transversal cavities, one inlet cavity (1a) and one outlet cavity (1 b), with an opening (11) for the air to pass from one cavity to the other, the fan being positioned in said opening of the separator, in such a way that its axis of rotation is essentially perpendicular to the largest faces of the casing, said opening constituting the air intake (7) of the fan, and in that the heat exchanger is situated on one side or other of the fan, always outside the projection, in an axial direction, of the air intake thereof.
- Indoor unit (1) according to the previous claims, characterised in that the drive motor (12) of the fan (5) is housed therein, and in that the stator (10) of said motor is housed inside a casing (13) situated in the air intake (7) of the fan and is fastened to one of the largest faces of the hollow casing (2) of the indoor unit.
- Indoor unit (1) according to claim 3, characterised in that the fan wheel (8) comprises a flat annulus (15) that joins the blades (9) of said wheel, which project from the air intake towards the ends of the fan (7), the annulus being joined to the rotor (14) of the drive motor (12) of the fan (5), which is an external rotor motor, and in that the stator (10) of said motor is fastened to the face (17) of the casing (2) adjacent to the annulus of the fan wheel by supports (16).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200501112A ES2275405B1 (en) | 2005-05-10 | 2005-05-10 | INTERIOR UNIT OF A CONDITIONING AIR EQUIPMENT. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1726890A1 true EP1726890A1 (en) | 2006-11-29 |
EP1726890B1 EP1726890B1 (en) | 2008-10-29 |
Family
ID=36778074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06380106A Active EP1726890B1 (en) | 2005-05-10 | 2006-05-09 | Indoor unit of an air conditioner |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060254304A1 (en) |
EP (1) | EP1726890B1 (en) |
AT (1) | ATE412856T1 (en) |
DE (1) | DE602006003372D1 (en) |
ES (2) | ES2275405B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017215847A1 (en) * | 2016-06-17 | 2017-12-21 | Güntner Gmbh & Co. Kg | Cooling device for installing under a ceiling of a room |
EP3379156A1 (en) * | 2017-03-21 | 2018-09-26 | Samsung Electronics Co., Ltd. | Air conditioner |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101529177B (en) * | 2006-10-19 | 2011-01-05 | Lg电子株式会社 | Turbo fan for blowing and refrigerator having the same |
US10473348B2 (en) * | 2014-11-10 | 2019-11-12 | Internal Air Flow Dynamics, Llc | Method and system for eliminating air stratification via ductless devices |
CN105546661B (en) | 2016-02-19 | 2018-11-06 | 珠海格力电器股份有限公司 | Air conditioner |
CN106288246B (en) * | 2016-10-28 | 2019-03-22 | 合肥美的暖通设备有限公司 | A kind of control method of air-duct-type air-conditioner |
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US4367636A (en) * | 1980-09-24 | 1983-01-11 | Mitsubishi Denki Kabushiki Kaisha | Air conditioner |
JPS5866737A (en) * | 1981-10-19 | 1983-04-21 | Hitachi Ltd | Indoor unit of separate type air conditioner |
US5769709A (en) * | 1996-03-21 | 1998-06-23 | Samsung Electronics Co., Ltd. | Air conditioner having air ports opened and closed by rotatable blades |
US5823002A (en) * | 1995-12-13 | 1998-10-20 | Samsung Electronics Co., Ltd. | Air conditioner and method therefor |
EP1686324A1 (en) * | 2004-12-29 | 2006-08-02 | Lg Electronics Inc. | Indoor unit of air-conditioning system |
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US2082441A (en) * | 1934-06-08 | 1937-06-01 | Air Devices Corp | Air conditioner |
US4313493A (en) * | 1976-12-13 | 1982-02-02 | Tokyo Gas Co. Ltd. | Forced air unit |
JPS5833454B2 (en) * | 1978-09-06 | 1983-07-20 | 三菱電機株式会社 | air conditioner |
JPS5950895B2 (en) * | 1979-06-25 | 1984-12-11 | 三菱電機株式会社 | air conditioner |
JPS5993130A (en) * | 1982-11-19 | 1984-05-29 | Sanyo Electric Co Ltd | Air conditioner |
ES273174Y (en) * | 1983-06-17 | 1984-06-01 | Nacenta Atmella Jose M | IMPROVED VENTILOCONVECTOR |
JP2500696B2 (en) * | 1990-02-02 | 1996-05-29 | ダイキン工業株式会社 | Fan device |
US6755157B1 (en) * | 1999-10-29 | 2004-06-29 | Robert Bosch Corporation | Mount for connecting automotive fan motor to housing |
US6719534B2 (en) * | 2001-04-11 | 2004-04-13 | Denso Corporation | Vehicle seat blower unit with a motor mounted within a scroll housing and a cooling motor attachment bracket |
KR100445467B1 (en) * | 2001-04-20 | 2004-08-21 | 주식회사 엘지이아이 | Indoor unit for air conditioner |
KR20050099352A (en) * | 2004-04-09 | 2005-10-13 | 엘지전자 주식회사 | Front suction/discharge type outdoor unit for air conditioner |
-
2005
- 2005-05-10 ES ES200501112A patent/ES2275405B1/en active Active
-
2006
- 2006-05-05 US US11/418,191 patent/US20060254304A1/en not_active Abandoned
- 2006-05-09 DE DE602006003372T patent/DE602006003372D1/en active Active
- 2006-05-09 AT AT06380106T patent/ATE412856T1/en active
- 2006-05-09 EP EP06380106A patent/EP1726890B1/en active Active
- 2006-05-09 ES ES06380106T patent/ES2314861T3/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367636A (en) * | 1980-09-24 | 1983-01-11 | Mitsubishi Denki Kabushiki Kaisha | Air conditioner |
JPS5866737A (en) * | 1981-10-19 | 1983-04-21 | Hitachi Ltd | Indoor unit of separate type air conditioner |
US5823002A (en) * | 1995-12-13 | 1998-10-20 | Samsung Electronics Co., Ltd. | Air conditioner and method therefor |
US5769709A (en) * | 1996-03-21 | 1998-06-23 | Samsung Electronics Co., Ltd. | Air conditioner having air ports opened and closed by rotatable blades |
EP1686324A1 (en) * | 2004-12-29 | 2006-08-02 | Lg Electronics Inc. | Indoor unit of air-conditioning system |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 007, no. 159 (M - 228) 13 July 1983 (1983-07-13) * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017215847A1 (en) * | 2016-06-17 | 2017-12-21 | Güntner Gmbh & Co. Kg | Cooling device for installing under a ceiling of a room |
CN109416194A (en) * | 2016-06-17 | 2019-03-01 | 昆腾股份有限公司 | Cooling device for being mounted under overhead room |
RU2731072C2 (en) * | 2016-06-17 | 2020-08-28 | Гюнтнер Гмбх Унд Ко. Кг | Cooling device for installation under ceiling of room |
EP3379156A1 (en) * | 2017-03-21 | 2018-09-26 | Samsung Electronics Co., Ltd. | Air conditioner |
US10401040B2 (en) | 2017-03-21 | 2019-09-03 | Samsung Electronics Co., Ltd. | Air conditioner |
Also Published As
Publication number | Publication date |
---|---|
ES2314861T3 (en) | 2009-03-16 |
US20060254304A1 (en) | 2006-11-16 |
DE602006003372D1 (en) | 2008-12-11 |
EP1726890B1 (en) | 2008-10-29 |
ES2275405A1 (en) | 2007-06-01 |
ATE412856T1 (en) | 2008-11-15 |
ES2275405B1 (en) | 2008-05-01 |
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