WO2005019738A1 - 空調室内機のファンおよびこれを備えた送風装置 - Google Patents
空調室内機のファンおよびこれを備えた送風装置 Download PDFInfo
- Publication number
- WO2005019738A1 WO2005019738A1 PCT/JP2004/011833 JP2004011833W WO2005019738A1 WO 2005019738 A1 WO2005019738 A1 WO 2005019738A1 JP 2004011833 W JP2004011833 W JP 2004011833W WO 2005019738 A1 WO2005019738 A1 WO 2005019738A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fan
- indoor unit
- air
- motor rotor
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
-
- 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
-
- 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
- F24F1/0025—Cross-flow or tangential fans
-
- 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
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
Definitions
- Air-conditioning indoor unit fan and blower provided with the same
- the present invention relates to a fan for an air conditioner indoor unit integrally formed with a motor rotor and a blower provided with the same.
- an air conditioner that improves indoor comfort by blowing conditioned air in a building, a house, or the like indoors.
- an air conditioner can maintain a comfortable indoor temperature by blowing warm or cold air into the room.
- Such air conditioners are often provided with a blower for blowing conditioned air indoors.
- the blower includes a cross flow fan that blows the conditioned air into the room, a motor rotor connected to the cross fan, and a motor stator that rotates the motor rotor.
- the motor rotor is disposed radially outward of the motor stator, and is rotated about the rotation axis by the motor stator.
- a motor stator rotates a motor rotor.
- the rotational force is transmitted to the end plate of the crossflow fan connected to the motor rotor to rotate the crossflow fan, so that the conditioned air can be supplied indoors.
- the end plate of the cross flow fan and the motor rotor are connected by screws, force crimps, rivets, pins, or the like, or by insert molding of the motor rotor.
- a detent (pull-out stopper) for connecting the motor rotor to the side plate is formed in this connection part.
- the motor rotor can be firmly fixed to the end plate by being connected via the rotation preventing portion (see Patent Document 1).
- An object of the present invention is to provide a fan for an air conditioner indoor unit capable of eliminating imbalance of a fan and reducing rotational vibration by arranging an appropriate number of detent portions of a motor rotor at an appropriate position.
- An object of the present invention is to provide a blower provided with this.
- the fan of the air-conditioning indoor unit according to the first invention is a fan of the air-conditioning indoor unit for supplying air-conditioned air to the room, and has one end of a plurality of wing pieces arranged annularly around a rotation axis. And a motor rotor connected to the side plate.
- the motor rotor has a detent portion for connection to the side plate, and the number of detent portions is the number of the motor rotor. Is an integral multiple of half the number of magnetic poles.
- the detent portion for connecting the motor rotor and the side plate of the fan of the air conditioning indoor unit is formed so as to be an integral multiple of half the number of magnetic poles of the motor rotor.
- the detent portion formed on the motor rotor is reduced with respect to the number of motor rotor poles.
- the fan of the air-conditioning indoor unit according to the second invention is the fan of the air-conditioning indoor unit according to the first invention, and the detent is arranged on a concentric circle centered on the rotation axis.
- the fan of the air conditioning indoor unit according to the third invention is the fan of the air conditioning indoor unit according to the second invention.
- the detent portions are arranged at equal intervals on a concentric circle.
- the fan of the air conditioner indoor unit according to the fourth invention is the fan of the air conditioner indoor unit according to any one of the first to third inventions, wherein the motor rotor is connected to the side plate by insert molding. I have.
- the fan of the air-conditioning indoor unit according to the fifth invention is the fan of the air-conditioning indoor unit according to any one of the first to third inventions, wherein the rotation preventing portion has a through hole formed in the motor rotor. It is formed by the infiltration of molten resin into
- the rotation preventing portion is formed by the molten resin entering into the through hole formed in the motor rotor during insert molding and solidifying.
- the rotation preventing portion is formed by the molten resin entering into the through hole formed in the motor rotor during insert molding and solidifying.
- the fan of the air-conditioning indoor unit according to the sixth invention is the fan of the air-conditioning indoor unit according to any one of the first to third inventions, wherein the motor rotor is made of resin that forms the motor rotor.
- the magnet is magnetized after mixing and solidifying the magnet powder.
- the magnetic poles of the motor rotor can be formed by mixing permanent magnet powder into the resin for molding the motor rotor and magnetizing the resin after molding.
- the fan of the air conditioner indoor unit according to the seventh invention is the fan of the air conditioner indoor unit according to any one of the first to third inventions, wherein the motor rotor is formed of a resin for molding the motor rotor. A permanent magnet is embedded.
- the fan of the air-conditioning indoor unit according to the eighth invention is the fan of the air-conditioning indoor unit according to any one of the four inventions of the first to third inventions, wherein the motor fixed to the motor rotor arranged radially inside the motor rotor. Rotated by the constant.
- the fan of the air conditioner indoor unit of the present invention can be rotated by the outer rotor type fan motor.
- the fan of the air conditioner indoor unit according to the ninth invention is the fan of the air conditioner indoor unit according to any one of the first to third inventions, and is a cross flow fan.
- a blower according to a tenth aspect of the present invention is a blower for an air conditioner indoor unit fan according to any one of the first to third inventions, and a motor stator for rotating a motor rotor of the air conditioner indoor unit fan. Have.
- the fan of the air-conditioning indoor unit equipped with the blower has an excellent weight balance, so that a blower with less rotational vibration can be provided even when rotated by the motor stator.
- FIG. 1 is an external view of an air conditioner equipped with a cross flow fan according to one embodiment of the present invention.
- FIG. 2 is a configuration diagram of a refrigerant circuit.
- FIG. 3 is a right side sectional view of the indoor unit.
- FIG. 4 is a top view of the right side portion of the blower unit.
- FIG. 5 is a cross-sectional view of the cross flow fan and the indoor fan motor taken along line X—X.
- FIG. 6 is a flowchart showing a process of connecting a cross flow fan, a rotor, and a shaft.
- FIG. 7 (a) is a plan view showing the relationship between the magnetic poles of the rotor and the detent portion of the cross flow fan of the present embodiment
- FIG. 7 (b) is a side view thereof.
- stator (motor stator)
- FIG. 1 shows an appearance of an air conditioner 1 to which an embodiment of the present invention is applied.
- the air conditioner 1 is a device for supplying conditioned air to a room.
- the air conditioner 1 includes an indoor unit 2 attached to an indoor wall or the like, and an outdoor unit 3 installed outdoors.
- An indoor heat exchanger 50 is housed in the indoor unit 2, and an outdoor heat exchanger 30 is housed in the outdoor unit 3. Further, a refrigerant circuit is configured by connecting the heat exchangers 30 and 50 by the refrigerant pipe 4.
- Fig. 2 shows the configuration of the refrigerant circuit of the air conditioner 1.
- This refrigerant circuit mainly includes an indoor heat exchanger 50, an accumulator 31, a compressor 32, a four-way switching valve 33, an outdoor heat exchanger 30, and an electric expansion valve 34.
- the indoor heat exchanger 50 provided in the indoor unit 2 exchanges heat with the contacting air.
- the indoor unit 2 is provided with a cross-flow fan (fan of an air-conditioning indoor unit) 71 1 for sucking indoor air, passing the indoor air through the indoor heat exchanger 50, and discharging the air after the heat exchange.
- This cross flow fan 71 is formed in a long thin cylindrical shape, The axes are arranged so as to be parallel to the horizontal direction.
- the cross flow fan 71 is driven to rotate about a central axis by an indoor fan motor 72 provided in the indoor unit 2. The detailed configuration of the indoor unit 2 will be described later.
- the outdoor unit 3 is connected to a compressor 32, a four-way switching valve 33 connected to the discharge side of the compressor 32, an accumulator 31 connected to the suction side of the compressor 32, and a four-way switching valve 33.
- An outdoor heat exchanger 30 is provided, and an electric expansion valve 34 connected to the outdoor heat exchanger 30 is provided.
- the electric expansion valve 34 is connected to a pipe 41 via a filter 35 and a liquid shutoff valve 36, and is connected to one end of the indoor heat exchanger 50 via the pipe 41.
- the four-way switching valve 33 is connected to a pipe 42 via a gas shut-off valve 37, and is connected to the other end of the indoor heat exchanger 50 via the pipe 42.
- the pipes 41 and 42 correspond to the refrigerant pipe 4 in FIG.
- the outdoor unit 3 is provided with a propeller fan 38 for discharging the air after the heat exchange in the outdoor heat exchanger 30 to the outside.
- the propeller fan 38 is driven to rotate by an outdoor fan motor 39.
- the indoor unit 2 has a shape that is long in the lateral direction when viewed from the front (see FIG. 1).
- the indoor unit 2 mainly includes an upper casing 6, a blower mechanism 7, and an indoor heat exchanger unit 5 (see FIG. 3) housed inside the indoor unit 2.
- the upper casing 6 covers the upper part of the indoor unit 2.
- the blowing mechanism 7 constitutes a lower part of the indoor unit 2.
- the indoor heat exchanger unit 5 includes an indoor heat exchanger 50, auxiliary piping (not shown), and the like.
- the indoor heat exchanger 50 is disposed so as to face the circumferential surface of the cross flow fan 71, and is attached so as to surround the front, upper and rear sides of the cross flow fan 71.
- the indoor heat exchanger 50 allows the air sucked from the suction ports 60 and 61 to pass through the cross flow fan 71 by rotating the cross flow fan 71, and exchanges heat with the refrigerant passing through the inside of the heat transfer tube. Is performed.
- the auxiliary pipe connects the indoor heat exchanger 50 and the refrigerant pipe 4 outside the indoor unit 2.
- the refrigerant flowing between the indoor heat exchanger 50 and the outdoor heat exchanger 30 flows through the auxiliary pipe.
- the blowing mechanism 7 is a device for blowing the air that has undergone heat exchange in the indoor heat exchanger 50 into the room.
- the blower mechanism 7 constitutes the lower part of the indoor unit 2, and as shown in FIGS. 3 and 4, the lower casing 70, the blower unit 8 and the like are modularized.
- the lower casing 70 includes an outer surface portion 74, a support portion 78, and the like.
- the outer surface portion 74 is a portion that appears in the field of view as the outer surface of the indoor unit 2 when viewed from the front, and is disposed such that the upper end is inclined toward the front side of the indoor unit 2.
- a blowout port 741 formed of an opening along the longitudinal direction of the indoor unit 2 is provided in the outer surface portion 74.
- the air outlet 741 communicates with the space inside the support portion 78 in which the cross flow fan 71 is housed, and the airflow generated by the cross flow fan 71 is Blow out into the room through 41.
- the outlet 741 is provided with a horizontal flap 742 for guiding the air blown into the room.
- the horizontal flap 742 is provided rotatably about an axis parallel to the longitudinal direction of the indoor unit 2.
- the horizontal flap 742 is rotatably driven by a flap motor (not shown), so that the outlet 741 can be opened and closed.
- the support 78 is surrounded by an outer surface 74.
- the ventilation unit 8, the electrical component box 73, the indoor heat exchanger unit 5, and the like are attached to the support portion 78 from above.
- the support unit 78 supports the blower unit 8, the electrical component box 73, the indoor heat exchanger unit 5, and the like from below.
- the blower unit 8 has a cross flow fan 71, an indoor fan motor 72 for rotating the cross flow fan 71, and an electrical component box 73 for storing electrical components for controlling the driving of the indoor fan motor 72. I'll do it.
- the cross flow fan 71 is a resin product made of AS resin or the like, and has a long and thin cylindrical shape.
- the cross flow fan 71 inserts a rotor (motor rotor) Molded by insert molding.
- the insert molding will be described in detail later.
- the cross flow fan 71 is arranged such that the central axis, that is, the rotation axis A1 is horizontal. When the cross flow fan 71 rotates about the rotation axis, an air flow is generated. This air flow is the flow of air that is taken in from the inlets 60 and 61, passes through the indoor heat exchanger 50, and blows out from the outlet 741 into the room.
- the cross flow fan 71 is located substantially at the center of the indoor unit 2 in a side view.
- the cross flow fan 71 has an end plate 710, a wing (wing piece) 711, a shaft 712, and a rotor 713.
- the end plates 710 are disks provided at both ends of the cross flow fan 71 having a cylindrical shape.
- the end plate 710 is used to connect the cross flow fan 71 and a rotor 713 described later.
- the plurality of wing portions 711 are annularly arranged between the two end plates 710 and held by the end plates 710.
- the shaft 712 is disposed on the center of the end plate 710 on the rotation axis A1, and serves as a rotation axis when the cross flow fan 71 rotates. As shown in FIG.
- the rotor 713 has a total of eight magnetic poles including an N pole and an S pole alternately arranged in a cylindrical portion.
- the cross flow fan 71 integrated with the rotor 713 rotates by generating a magnetic pole with respect to this magnetic pole by a motor stator of an indoor fan motor described later.
- the magnetic pole formed on the rotor 713 may be formed by mixing and solidifying magnet powder such as rare earth magnet powder or ferrite magnet powder when forming the rotor 713 and then magnetizing the same. Alternatively, it may be formed by embedding a magnet in a resin forming the rotor 713.
- the resin used to mold the rotor 713 is a thermosetting resin such as epoxy resin, bismaleimide resin, phenol resin, urine resin, melamine resin, alkyd resin, unsaturated polyester resin, DAP resin, and polyurethane resin.
- Resin or vinyl polymer polyethylene, polypropylene, polyvinyl chloride, polystyrene, ABS resin, AS resin, polymethacrylic acid, polymethacrylate, polyacrylic acid, polyacrylate, polyvinylidene chloride, etc.), polyamide ( Nylon 6 (registered trademark), Nylon 66 (registered trademark), aromatic polyamide, etc.), polyester (polyethylene terephthalate, polybutylene terephthalate, etc.), fluororesin (PTFE, FEP, PFA, etc.), polyacetal, polycarbonate, modified polyphenylene Län-I-Tel, Po Sulfone, polyether sulfone, Porifue two sulfide, polyarylate ,
- the cross flow fan 71 of the present embodiment has a detent part 801 force S connecting the end plate 710 and the rotor 713, as shown in FIGS. 7 (a) and 7 (b).
- the fan is formed so that the weight of the fan can be easily balanced in accordance with the number of magnetic poles (NS poles) formed.
- the number of the detent portions 801 is formed in the rotor 713 by an integral multiple of half the number of poles of the rotor 713.
- four detent portions 801 are formed for eight poles.
- the detent portions 801 are arranged on the rotor 713 at equal intervals on a concentric circle centered on the rotation axis A1.
- the detent part 801 is formed by inserting a resin for forming the end plate 710 into a through hole formed in the rotor 713 during insert molding. As shown in FIG. 7 (b), the diameter of the through hole of the detent portion 801 is smaller in the hole on the surface of the rotor 713 on the connection side with the end plate 710 than on the opposite surface. I'm familiar.
- the cross-sectional shape of the through hole forming the detent portion 801 is a trapezoidal shape in which the diameter of the hole on the connection side is the upper base and the diameter of the hole on the opposite side is the lower base.
- the resin forming the end plate 710 comes off from the through hole of the detent portion 801, and the end plate 710 and the end plate 710 are disengaged.
- the rotor 713 can be firmly connected.
- the indoor fan motor 72 drives the cross flow fan 71 to rotate about a rotation axis.
- the indoor fan motor 72 is a thin outer rotor type motor as shown in FIG. As shown in FIG. 5, the indoor fan motor 72 has a stator 720, a rotor 713, a bearing 722, and a bearing holding portion 723.
- Stator 720 is for rotating rotor 713, and includes an iron core, a coil, and the like (not shown) for generating a magnetic field. Stator 720 further has a fixed portion 725. The stator 720 is supported via a rubber holding member 726 that wraps the fixing portion 725. Supported by part 78 (see Figure 4).
- the rotor 713 rotates around the rotation axis A1 by the magnetic field generated by the stator 720.
- the rotor 713 is made of a resin having a melting point equal to or higher than the melting point of the resin forming the cross flow fan 71 and containing minute magnet particles.
- the rotor 713 is arranged radially outward of the stator 720.
- the bearing 722 is a resin member, and supports the shaft 712 of the cross flow fan 71.
- the bearing holding portion 723 is a rubber component and supports the bearing 722.
- FIG. 7 shows a flow of a molding operation when insert molding the cross flow fan 71.
- the rotor 713 and the shaft 712 are loaded into the cavity of the molding die (step S101).
- the molding die is closed (Step S102).
- the heat-melted resin forming the end plate 710 is injected under pressure into the cavity in the molding die (step S103).
- the resin forming the end plate 710 is cooled and solidified in the molding die (step S104).
- the molding die is opened (Step S105), and the connected body of the end plate 710, the shaft 712, and the rotor 713 is taken out of the molding die (Step S106).
- the molten resin also flows into the through-hole formed in the rotor 713 in step S103, and is cooled and solidified in step S104 to form the detent portion 801.
- the number of the rotation preventing portions 801 for connecting the end plate 710 and the rotor 713 is formed by an integral multiple of half the number of magnetic poles provided in the rotor 713.
- the cross flow fan 71 integrated with the rotor 713 is connected by using a screw or the like or by integrally molding the rotor 713 as an insert product.
- a screw or the like or by integrally molding the rotor 713 is connected by using a screw or the like or by integrally molding the rotor 713 as an insert product.
- holes for guiding the screws or the like, or molten resin is allowed to flow during insert molding.
- a non-rotating part is required as a hole.
- the weight balance of the fan depends on the number and arrangement of the detent portions. May collapse, leading to vibration during rotation.
- the cross-flow fan 71 of the present embodiment focusing on the number of magnetic poles of the rotor 713, which particularly affects the weight balance of the fan, and forming an appropriate number of detent portions 801 for the number of magnetic poles By doing so, it is easy to balance the weight of the fan. As a result, it is possible to reduce the occurrence of vibration during rotation due to the weight imbalance of the fan.
- the detent portion 801 is further arranged on a concentric circle centered on the rotation axis of the rotor 713 (cross flow fan 71).
- the number of rotation preventing portions 801 that is an integral multiple of half the number of magnetic poles of rotor 713 can be arranged in a more balanced manner. Therefore, it is possible to provide the crossflow fan 71 in which the weight of the fan is balanced and the rotational vibration of the fan is suppressed.
- the detent portions 801 are further arranged on concentric circles around the rotation axis of the rotor 713 (cross flow fan 71) at equal intervals. As a result, it is possible to provide the cross flow fan 71 having a further weight balance and a reduced rotational vibration.
- the end plate 710 and the rotor 713 are integrally formed by insert molding.
- the detent portion 801 formed on the rotor 713 is formed by the molten resin flowing into the hole penetrating the rotor 713 and solidifying during insert molding.
- the end plate 710 and the rotor 713 can be firmly connected with high accuracy compared to the case where the rotor 713 and the end plate 710 are connected using screws or the like.
- the detent portions 801 are arranged at equal intervals on concentric circles around the rotation axis, but the present invention is not limited to this.
- the arrangement of the detent portions 801 is not particularly specified, if the detent portions 801 are formed in an appropriate number with respect to the number of poles of the rotor 713, the effect that the crossflow fan can be easily balanced can be obtained. Play.
- a fan including a motor rotor having a plurality of poles can be similarly applied.
- the fan integrally formed with the motor rotor by insert molding has been described.
- the present invention is not limited to this, but is a motor rotor and a separate fan, and these may be integrated by connecting them using screws or the like. Even in this case, the same effect can be obtained by forming the detent portion with the number and arrangement corresponding to the number of poles of the motor rotor.
- the rotation preventing portion 801 is formed by cooling and solidifying the molten resin flowing into the through hole formed in the rotor 713 at the time of insert molding.
- the present invention is not limited to this, and may be formed by inserting a screw, a force crimp, a rivet, a pin, or the like into a through hole formed in the rotor 713. Even in this case, by forming the detent portions in accordance with the number and arrangement conditions specified in the present invention, it is possible to provide a fan for an air-conditioning indoor unit having a well-balanced weight as described above.
- the fan of the air conditioning indoor unit of the present invention is applied to a cross flow fan.
- the present invention is not limited to cross-flow fans, Etc. can also be applied to other fans.
- the crossflow fan 71 according to one embodiment of the present invention was applied to a blower and an air conditioner.
- the present invention is not limited to this, and can be applied to other uses using a fan integrally formed with the motor rotor.
- the present invention is applicable to a cross flow fan integrated with a motor rotor and an air blower, an air conditioner and the like equipped with the same.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003300531A JP2005069580A (ja) | 2003-08-25 | 2003-08-25 | 空調室内機のファンおよびこれを備えた送風装置 |
| JP2003-300531 | 2003-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005019738A1 true WO2005019738A1 (ja) | 2005-03-03 |
Family
ID=34213834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/011833 Ceased WO2005019738A1 (ja) | 2003-08-25 | 2004-08-18 | 空調室内機のファンおよびこれを備えた送風装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005069580A (ja) |
| WO (1) | WO2005019738A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913386A (zh) * | 2015-05-29 | 2015-09-16 | 广东美的制冷设备有限公司 | 室内机 |
| US9685840B2 (en) | 2012-12-21 | 2017-06-20 | Fisher & Paykel Appliances Limited | Motor |
| EP3364038A2 (en) * | 2017-02-20 | 2018-08-22 | ELICA S.p.A. | Radial blower for suction hoods |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5276370B2 (ja) * | 2008-07-04 | 2013-08-28 | 新明和工業株式会社 | 遠心ポンプ用羽根車 |
| JP5458921B2 (ja) * | 2010-02-03 | 2014-04-02 | パナソニック株式会社 | 送風装置およびそれを搭載した電気機器 |
| JP2012241601A (ja) * | 2011-05-18 | 2012-12-10 | Asmo Co Ltd | ファンモータ |
| CN111156606B (zh) * | 2019-12-25 | 2021-03-30 | 珠海格力电器股份有限公司 | 一种贯流风叶的安装结构及空调 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03191229A (ja) * | 1989-12-20 | 1991-08-21 | Daikin Ind Ltd | 空気調和機の室内ユニット |
| JPH11356031A (ja) * | 1998-06-08 | 1999-12-24 | Db Seiko:Kk | ステッピングモータの回転子及びその製造方法 |
| JP2001016823A (ja) * | 1999-06-25 | 2001-01-19 | Asmo Co Ltd | 減速機構付きモータ |
| JP2002369423A (ja) * | 2001-06-12 | 2002-12-20 | Mitsuba Corp | 回転電機の回転子 |
-
2003
- 2003-08-25 JP JP2003300531A patent/JP2005069580A/ja active Pending
-
2004
- 2004-08-18 WO PCT/JP2004/011833 patent/WO2005019738A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03191229A (ja) * | 1989-12-20 | 1991-08-21 | Daikin Ind Ltd | 空気調和機の室内ユニット |
| JPH11356031A (ja) * | 1998-06-08 | 1999-12-24 | Db Seiko:Kk | ステッピングモータの回転子及びその製造方法 |
| JP2001016823A (ja) * | 1999-06-25 | 2001-01-19 | Asmo Co Ltd | 減速機構付きモータ |
| JP2002369423A (ja) * | 2001-06-12 | 2002-12-20 | Mitsuba Corp | 回転電機の回転子 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9685840B2 (en) | 2012-12-21 | 2017-06-20 | Fisher & Paykel Appliances Limited | Motor |
| US10193416B2 (en) | 2012-12-21 | 2019-01-29 | Fisher & Paykel Appliances Limited | Motor |
| CN104913386A (zh) * | 2015-05-29 | 2015-09-16 | 广东美的制冷设备有限公司 | 室内机 |
| CN104913386B (zh) * | 2015-05-29 | 2018-03-27 | 广东美的制冷设备有限公司 | 室内机 |
| EP3364038A2 (en) * | 2017-02-20 | 2018-08-22 | ELICA S.p.A. | Radial blower for suction hoods |
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| Publication number | Publication date |
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| JP2005069580A (ja) | 2005-03-17 |
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