CN103047180A - Axial flow fan and air conditioner - Google Patents

Axial flow fan and air conditioner Download PDF

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Publication number
CN103047180A
CN103047180A CN2012101289344A CN201210128934A CN103047180A CN 103047180 A CN103047180 A CN 103047180A CN 2012101289344 A CN2012101289344 A CN 2012101289344A CN 201210128934 A CN201210128934 A CN 201210128934A CN 103047180 A CN103047180 A CN 103047180A
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CN
China
Prior art keywords
cover
air
axial fan
protuberance
recess
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Pending
Application number
CN2012101289344A
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Chinese (zh)
Inventor
朴正宅
许德
郑载赫
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LG Electronics Inc
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LG Electronics Inc
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.)
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Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN103047180A publication Critical patent/CN103047180A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade

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

Abstract

Provided are an axial flow fan and an air conditioner. The axial flow fan includes a plurality of blades (120). The blades (120) include corrugated parts (125) on ends thereof. The corrugated parts (125) include convex portions (125a) and concave portions (125b) that are alternately arranged.

Description

Axial fan and air-conditioning
The cross reference of related application
The application requires to enjoy the preference of the 10-2011-0104368 korean patent application of submitting on October 20th, 2011, and its full content is by being incorporated herein by reference.
Technical field
The present invention relates to axial fan and air-conditioning.
Background technique
Air-conditioning is used for heating or the cooling interior space.This air-conditioning comprises compressor for compressed refrigerant, be used for condensation from the condenser of the refrigeration agent of compressor discharge, be used for making the expansion gear that the refrigeration agent of self cooling condenser discharging expands and be used for the vaporizer that evaporation is inflated the refrigeration agent that device expands.
Condenser in the air-conditioning and vaporizer all are heat exchangers, refrigeration agent in heat exchanger with the surrounding atmosphere heat-shift.Condenser and vaporizer can be arranged in indoor unit and the outdoor unit.For example, axial fan can be located at a side of the heat exchanger that arranges in the outdoor unit.
This axial fan comprises wheel hub and a plurality of blade that is arranged on the outer surface of wheel hub that is connected to motor shaft.Wheel hub and blade can be set to one.If axial fan is rotated by motor, then owing to the pressure reduction between the forward and backward side of the blade on the outer surface that is formed on wheel hub, air is attracted to axial fan.
That is to say that outdoor air can be by the suction inspiration outdoor unit of axial fan.At this moment, outdoor air through the heat exchanger of the inlet side that being arranged on outdoor unit and with heat exchanger in the refrigeration agent that flows carry out heat exchange, make condensation of refrigerant or evaporation according to the operation mode of air-conditioning.Then, outdoor air discharges from outdoor unit by the air blowing action of axial fan.
Yet in the situation of the axial fan of prior art, because the surface that the taper from the wheel hub to the blade limits is curved surface, aerodynamical resistance concentrates on the taper of blade and causes wake flow.This has reduced fan efficiency and has brought noise.
Summary of the invention
The invention provides a kind of axial fan and air-conditioning.Blade at axial fan is provided with corrugated part, and it is in order to for example reducing wake flow when air is sucked or discharges by axial fan, and therefore increases efficient and the noise reduction of axial fan.
In one embodiment, provide a kind of axial fan, it comprises a plurality of blades.Include corrugated part on the edge of blade.Corrugated part comprises at least a in protuberance or the recess.In another embodiment, protuberance and recess are arranged alternately on the edge of blade.
In another embodiment, provide a kind of air-conditioning, it comprises the heat exchanger that is arranged in the housing, be arranged on the compressor in the housing and be arranged in the housing and comprise the axial fan of a plurality of blades; Wherein blade comprises the corrugated part that is arranged on its at least part of rear edge, and corrugated part comprises at least a in protuberance or the recess.In optional embodiment, protuberance and recess are arranged alternately.
Axial fan of the present invention and air-conditioning have following useful technique effect,, can suppress wake flow that is, increase simultaneously flow velocity or the reduce energy consumption of air, and can be when air be sucked or discharges by axial fan noise reduction.Therefore, the user can use axial fan more satisfactorily.
State in the accompanying drawings and the description below one or more embodiments of the detail.Other features will become obvious from specification, drawings and the claims.
Description of drawings
Fig. 1 illustrates the front elevation according to the first embodiment's air-conditioning.
Fig. 2 illustrates the plan view according to the first embodiment's air-conditioning.
Fig. 3 illustrates the front elevation according to the axial fan of the first embodiment's air-conditioning.
Fig. 4 illustrates the partial enlarged view of the axial fan of Fig. 3.
Fig. 5 illustrates the side view according to the first embodiment's axial fan.
Fig. 6 illustrates the partial enlarged view of the axial fan of Fig. 5.
Fig. 7 illustrates the plan view according to the second embodiment's air-conditioning.
Fig. 8 illustrates the front elevation according to the second embodiment's cover.
Embodiment
Hereinafter, axial fan and air-conditioning according to a plurality of embodiments of the present invention are described with reference to the accompanying drawings.
Fig. 1 illustrates the front elevation according to the first embodiment's air-conditioning 1, and Fig. 2 illustrates the plan view according to the first embodiment's air-conditioning 1.
See figures.1.and.2, the first embodiment's air-conditioning 1 comprises housing 10, heat exchanger 20, fan 100, motor 30, filter (not shown), compressor 40 and baffle plate 50.In this embodiment, air-conditioning 1 can be outdoor unit.
Housing 10 comprises: rear plate 11, and it consists of the rear side of air-conditioning 1; Side plate 12, it is attached to rear plate 11, is used for consisting of the side of air-conditioning 1; Top board 13, it consists of the top side of air-conditioning 1; Panel 14, it consists of the front side of air-conditioning 1; And substrate 15, it is attached to side plate 12, rear plate 11 and panel 14, is used for consisting of the bottom side of air-conditioning 1.In this way, housing 10 consists of six facial contours of air-conditioning 1.In these plates of housing 10 at least one can be arranged to one.
Rear plate 11 and side plate 12 comprise rear air input part (not shown) and side air input part (not shown).On air input part, can be provided with the grid members (not shown), in order to stop foreign matter.In the case, outside air is introduced into housing 10 by the grid members that is arranged on rear plate 11 and the side plate 12.
Can be formed with exhaust portion 16 in the panel 14.Similarly, on exhaust portion 16, can be provided with the grid members (not shown).
Heat exchanger 20 is arranged in the housing 10, is used for carrying out between outdoor air and refrigeration agent heat exchange.Heat exchanger 20 can be the fin-tube type heat exchanger that is made of refrigerant pipe and a plurality of heat exchange fin, and wherein refrigerant pipe passes the heat exchange fin and inserts heat exchanger.
Heat exchanger 20 is arranged on around the inlet side of fan 100.In air-conditioning 1, heat exchanger 20 contacts with rear plate 11 with one of side plate 12.Heat exchanger 20 can be installed on the substrate 15.
Air is introduced into air-conditioning 1 by the side air input part of side plate 12 and the rear air input part of rear plate 11.Then, air is through over-heat-exchanger 20.At length, when air during through the heat exchange fin, be introduced into refrigerant cools or heating that the air of housing 10 can cooled dose flows in the pipe.After this, be cooled or exhaust portion 16 dischargings by panel 14 of the air that heats.Owing to carry out heat exchange like this, room area can remain under a home from home.
Fan 100 is arranged on a side of heat exchanger 20.Fan 100 can be axial fan 100, and it is suction chamber outer air and discharge outdoor general mood when rotated.
Axial fan 100 comprises: wheel hub 110, and it is connected to the axle of motor 20; And a plurality of blades 120, its outer surface from wheel hub 110 radially extends.Wheel hub 110 and blade 120 can form one.Can form corrugated part 125 at least part of edge of blade 120, to reduce wake flow; Corrugated part 125 has the combination of protuberance or recess or protuberance and recess.After a while with the blade 120 of more detailed description axial fan 100.
Motor 30 is connected to axial fan 100, so that axial fan 100 rotations.The axle of motor 30 can be connected to the wheel hub 110 of axial fan 100, and motor 30 can be arranged on the rear side of axial fan 100.Motor 30 can be arranged between axial fan 100 and the heat exchanger 20.The electric machine support (not shown) can be attached to heat exchanger 20 or rear plate 11, is used for supporting and fixed electrical machinery 30.
The filter (not shown) arranges near heat exchanger 20, in order to remove impurity from air when air is introduced by air input part.Filter can be arranged between heat exchanger 20 and the rear plate 11, perhaps between heat exchanger 20 and the side plate 12.
Compressor 40 can be arranged on a side of axial fan 100, in order to refrigerant compression is arrived High Temperature High Pressure.Compressor 40 can be cylindrical and be fixed on the substrate 15.Compressor 40 is connected to heat exchanger 20, so that refrigeration agent can flow to heat exchanger 20 from compressor 40 according to operation mode, perhaps flows to compressor 40 from heat exchanger 20.Particularly, under refrigeration mode, heat exchanger 20 act as condenser, and the refrigeration agent that discharges from compressor 40 is introduced into heat exchanger 20.On the other hand, under heating mode, heat exchanger 20 act as vaporizer, and the refrigeration agent of automatic heat-exchanger 20 dischargings is introduced into compressor 40.
Baffle plate 50 is divided into the chamber (zone) that compressor 40 is set with the inside of housing 10 and the chamber (zone) of heat exchanger 20 and axial fan 100 is set.Because baffle plate 50 is arranged, air be not to flow to compressor 40 after over-heat-exchanger 20 unnecessaryly.That is to say, can effectively control air-flow, and can keep high heating/refrigerating performance.
Fig. 3 illustrates the front elevation according to the first embodiment's axial fan 100, and Fig. 4 illustrates the partial enlarged view of axial fan shown in Figure 3 100.Fig. 5 illustrates the side view according to the first embodiment's axial fan 100, and Fig. 6 illustrates the partial enlarged view of axial fan shown in Figure 5 100.
With reference to Fig. 3 to Fig. 6, the first embodiment's axial fan 100 comprises wheel hub 110 and blade 120.(motor) axle (not shown) is attached to wheel hub 110, so that axial fan 100 rotations.Along with blade 120 rotations, force Air Flow.In more detail, blade 120 comprises: front edge 121, and its sense of rotation with respect to blade 120 is formed at the front side; Rear edge 122, its sense of rotation with respect to blade 120 is formed at rear edge; Root 123, it is the inner of blade 120; And taper 124, it is the outer end of blade 120.
At least part of edge at blade 120 is formed with corrugated part 125.In this embodiment, corrugated part 125 comprises protuberance 125a and recess 125b; Protuberance 125a and recess 125b are arranged alternately.Yet in optional embodiment, corrugated part can comprise a plurality of protuberances or can comprise a plurality of recesses.
The surface towards heat exchanger 20 of blade 120 is malleation surfaces, and these malleations surfaces receive the malleation that the air through over-heat-exchanger 20 produces, blade 120 are not negative pressure surfaces relative with the malleation surface towards the surface of heat exchanger 20.
Corrugated part 125 can be formed on the rear edge 122.When the air of introducing axial fan 100 along front edge 121 discharges along rear edge 122, can reduce or eliminate by corrugated part 125 wake flow of air.
According to this embodiment, protuberance 125a and recess 125b can be arranged alternately along rear edge 122; And these protuberances and recess can 100 center approaches and size reduction from rear edge 122 to axial fan along with it.The flow velocity of the air of 122 dischargings can increase along the direction away from the center of axial fan 100 from axial fan 100 along rear edge.Therefore, in current embodiment, can be greater than near those protuberances 125a at the center of axial fan 100 and the size of recess 125b, in order to suppress wake flow away from the size of those protuberances 125a at the center of axial fan 100 and recess 125b.Term " large (larger) " can refer to the degree of depth large (larger) of height and/or the recess of protuberance, and/or the width of protuberance and recess large (larger).
Corrugated part 125 can have a plurality of S shape cross sections.That is to say that protuberance 125a and recess 125b can be connected to and be curve form.This structure decrease wake flow is not upset exhaust jet stream simultaneously, therefore can guarantee sufficient discharge speed.
Protuberance 125a can project upwards from the surface of blade 120, and that recess 125b can be from blade 120 is surperficial recessed down.The air of introducing along front edge 121 flows along the surface of blade 120, and along rear edge 122 dischargings.When air discharged along rear edge 122, air-flow was changed by protuberance 125a and recess 125b.In current embodiment, because the malleation of blade 120 surface and the lip-deep air-flow of negative pressure can mix at corrugated part 125 places, so can reduce intensity and the zone of wake flow.In addition, according to current embodiment, because can suppress wake flow, so also can noise reduction and make the user satisfied.
Protuberance 125a and recess 125b can be from rear edge 122 forward edge 122 definite length extended on blade 120.At length, protuberance 125a and recess 125b can be from rear edge 122 forward edge 122 of axial fan 100 definite length extended with one heart.In the case, along with protuberance 125a and recess 125b from rear edge 122 near front edge 121, the degree of depth of the height of protuberance 125a and/or recess 125b can reduce.The degree of depth of the height of adjacent protuberance and/or adjacent recess can be identical.Alternatively, the degree of depth of the height of adjacent protuberance and adjacent recess can be different.Similarly, the width of adjacent protuberance can be identical or different, and the degree of depth of adjacent recess can be identical or different.
In above one or more embodiments, can less multilated at rear edge 122 places by corrugated part 125 at the air that flows in the surface of blade 120.Under this state, the air that flows on the malleation surface of blade 120 can mix at corrugated part 125 places reposefully with the air that the upper reaches, negative pressure surface of blade 120 is moved, and therefore can suppress wake flow.
Fig. 7 illustrates the plan view according to the second embodiment's air-conditioning 1, and Fig. 8 illustrates the front elevation according to the second embodiment's cover 60.
With reference to Fig. 7 and Fig. 8, the second embodiment's air-conditioning 1 comprises housing 10, heat exchanger 20, fan 100, motor 30, filter (not shown), compressor 40 and covers 60.Except cover 60, the structure of the second embodiment's air-conditioning 1 is identical with the structure of the first embodiment's air-conditioning 1.Therefore, with the detailed description that does not repeat for same structure.Yet the second embodiment's fan 100 can be the axial fan identical with the first embodiment's axial fan 100 structures, perhaps also can be the axial fan that does not comprise corrugated part.
Cover 60 is arranged on the front side of axial fan 100, in order to the air of guiding from axial fan 100 dischargings.Cover 60 can be the hollow cylinder shape, and has the size corresponding with the size of axial fan 100.Alternatively, frustum of a cone (truncated cone) shape that cover 60 can be hollow, wherein the diameter of frustum of a cone is along with it extends and reduce away from axial fan 100 and to exhaust portion 16.
Discharge end at cover 60 can be formed with cover corrugated part 61, and cover corrugated part 61 has the combination of protuberance or recess or protuberance and recess.In this embodiment, cover corrugated part 61 can comprise cover protuberance 61a and cover recess 61b, and cover protuberance 61a and cover recess 61b are arranged alternately.Yet in optional embodiment, corrugated part can be that a plurality of protuberances maybe can be a plurality of recesses.Cover protuberance 61a can be outstanding to the inside of cover 60, and cover recess 61b can be outwards outstanding from covering 60.
That is to say, in a second embodiment, can use extraly cover 60, and the shape of covering 60 cover corrugated part 61 can be similar to the shape of the corrugated part 125 of aforesaid blade 120.Yet cover 60 can use with the axial fan that does not have corrugated part.
In a second embodiment because cover 60 comprises cover corrugated part 61, so can with in the air flow collection increasing the flow velocity of air, and can reduce wake flow through behind the axial fan 100 at air.
Corrugated part 61 can have S shape cross section.That is to say that cover protuberance 61a and cover recess 61b can be connected and be curve form.Because this structure, the upset of air-flow can be less, as described in the explanation of the first embodiment's corrugated part 120.
Cover protuberance 61a and cover recess 61b are from covering 60 air outlet end definite length extended.At this moment, the degree of depth of the height of cover protuberance 61a and cover recess 61b can reduce with the air outlet end that cover recess 61b approaches cover 60 with cover protuberance 61a.The degree of depth of the height of adjacent cover protuberance and/or adjacent cover recess can be identical.Alternatively, the degree of depth of the height of adjacent cover protuberance and/or adjacent cover recess can be different.Equally, the width of adjacent cover protuberance can be identical or different, and the width of adjacent cover recess can be identical or different.
Cover corrugated part 61 can be continuous along the circumferencial direction of cover 60 discharge end.For example, if cover protuberance 61a and cover recess 61b are arranged on around the center of cover 60, and cover protuberance 61a and cover recess 61b have 5 ° of angular breadth (angular width) separately, the quantity of the cover protuberance 61a that then forms in cover 60 discharge end can be 36, and the quantity of the cover recess 61b that forms in the discharge end of cover 60 also can be 36.In the present embodiment, cover protuberance 61a and cover recess 61b are arranged alternately the discharge end at cover 60.In optional embodiment, cover can be comprised of protuberance, or can be comprised of recess.
Therefore, according to the second embodiment, can suppress wake flow with the corrugated part of axial fan 100 and come noise reduction.In addition, through after the axial fan 100, use the cover corrugated part 61 of cover 60 also can suppress wake flow at air, increasing simultaneously the flow velocity of air, or reduce energy consumption.
According to the above embodiments, because the blade at axial fan is provided with corrugated part, so the air that flows on the malleation surface of blade can effectively mix with the air that moves at the upper reaches, negative pressure surface of blade, so can reduce intensity and the zone of the wake flow behind the blade.
In addition, according to the above embodiments because wake flow can reduce because of corrugated part, so axial fan can consume less energy, and can be when air be sucked or discharges by axial fan noise reduction.Therefore, the user can use axial fan more satisfactorily.
In addition, according to embodiment, cover is arranged on the front side of axial fan, when from the axial fan discharged air, by using the cover corrugated part of cover, can more effectively prevent wake flow.
Although described embodiment with reference to a plurality of exemplary embodiments, it should be understood that those skilled in the art can design many other changes and the embodiment in the spirit and scope that will drop on principle of the present invention.The component of more specifically, in these specification, drawings and the claims scope subject combination being arranged and/or the various modification of arranging and change are possible.Except to component and/or the modification of arranging and the change, the use of replaceability also will be obvious to those skilled in the art.

Claims (20)

1. axial fan comprises:
Wheel hub; And
A plurality of blades, its outer surface from described wheel hub radially extends;
Wherein at least part of corrugated part that is provided with at the edge of described blade; And
Described corrugated part comprises at least a in protuberance or the recess.
2. axial fan according to claim 1, wherein said corrugated part comprises a plurality of protuberances.
3. axial fan according to claim 1, wherein said corrugated part comprises a plurality of recesses.
4. axial fan according to claim 1, wherein said protuberance and described recess are arranged alternately.
5. axial fan according to claim 1, wherein said corrugated part is arranged on the rear edge of described blade.
6. axial fan according to claim 4, wherein away from the size of the size of the described protuberance at the center of described axial fan and described recess greater than near the size of the described protuberance at the center of described axial fan and the size of described recess.
7. axial fan according to claim 4, wherein said protuberance and described recess are from the rear edge forward edge definite length extended of described blade.
8. axial fan according to claim 4, the cross section of wherein said corrugated part is a plurality of S shapes.
9. air-conditioning comprises:
Heat exchanger is arranged in the housing;
Compressor is arranged in the described housing; And
Axial fan is arranged in the described housing and comprises a plurality of blades;
Wherein at least part of rear edge at described blade is provided with corrugated part; And
Described corrugated part comprises at least a in protuberance or the recess.
10. air-conditioning according to claim 9 also comprises: baffle plate, open in order to the zone that described compressor will be set and the region separation that described axial fan and described heat exchanger are set.
11. air-conditioning according to claim 9, wherein said protuberance and described recess are arranged alternately along the described rear edge of described blade.
12. air-conditioning according to claim 11, wherein away from the size of the size of the described antemarginal described protuberance at the center of described axial fan and described recess greater than near the size of the described protuberance at the center of described axial fan and the size of described recess.
13. air-conditioning according to claim 11, wherein said protuberance and described recess are from the described rear edge forward edge definite length extended of described blade.
14. air-conditioning according to claim 11, the cross section of wherein said corrugated part are a plurality of S shapes.
15. air-conditioning according to claim 9 also comprises: cover, be arranged in the described housing, and in order to the air of guiding from described axial fan discharging; Wherein the discharge end at described cover is provided with the cover corrugated part, and described cover corrugated part comprises at least a in protuberance or the recess.
16. air-conditioning according to claim 15, wherein said cover corrugated part comprises protuberance and the recess that is arranged alternately.
17. an air-conditioning comprises:
Heat exchanger is arranged in the housing;
Compressor is arranged in the described housing;
Axial fan is arranged in the described housing and comprises a plurality of blades; And
Cover is arranged in the described housing and in order to the air of guiding from described axial fan discharging;
Wherein the discharge end at described cover is provided with the cover corrugated part; And
Described cover corrugated part comprises at least a in the recess of cover protuberance or cover.
18. air-conditioning according to claim 17, wherein said cover corrugated part comprises protuberance and the recess that is arranged alternately.
19. air-conditioning according to claim 17, wherein said cover protuberance and the described cover recess entry end definite length extended from the described discharge end of described cover to described cover.
20. air-conditioning according to claim 18, the degree of depth of the height of wherein said cover protuberance and described cover recess reduces with described cover protuberance and the described cover recess air outlet end near described cover.
CN2012101289344A 2011-10-12 2012-04-20 Axial flow fan and air conditioner Pending CN103047180A (en)

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KR20110104068A KR20130039481A (en) 2011-10-12 2011-10-12 Axial flow fan and air conditioner
KR10-2011-0104068 2011-10-12

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EP (1) EP2581607A1 (en)
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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238749A (en) * 1939-01-30 1941-04-15 Clarence B Swift Fan blade
GB791563A (en) * 1955-05-02 1958-03-05 Joseph Vaghi Improvements relating to structures for use as an airplane wing, a propeller blade, a blower or fan blade
US2899128A (en) * 1959-08-11 Vaghi
US4786016A (en) * 1986-04-30 1988-11-22 United Technologies Corporation Bodies with reduced surface drag
CN1534201A (en) * 2003-01-29 2004-10-06 西门子Vdo汽车公司 Integrated end sealer in fan-case structure
CN1756909A (en) * 2003-03-05 2006-04-05 汉拏空调株式会社 Axial-flow fan
US20060216147A1 (en) * 2005-03-26 2006-09-28 Halla Climate Control Corporation Fan and shroud assembly
WO2009054815A1 (en) * 2007-10-24 2009-04-30 Hidria Rotomatika D.O.O. Axial fan blade with corrugated pressure and suction surfaces
US20090193831A1 (en) * 2008-01-30 2009-08-06 Jung Hoon Kim Air conditioner
CN101680422A (en) * 2007-03-23 2010-03-24 弗洛设计风力涡轮机公司 Wind turbine with mixers and ejectors
US20100266428A1 (en) * 2008-01-07 2010-10-21 Suguru Nakagawa Propeller fan

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8021100B2 (en) * 2007-03-23 2011-09-20 Flodesign Wind Turbine Corporation Wind turbine with mixers and ejectors

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899128A (en) * 1959-08-11 Vaghi
US2238749A (en) * 1939-01-30 1941-04-15 Clarence B Swift Fan blade
GB791563A (en) * 1955-05-02 1958-03-05 Joseph Vaghi Improvements relating to structures for use as an airplane wing, a propeller blade, a blower or fan blade
US4786016A (en) * 1986-04-30 1988-11-22 United Technologies Corporation Bodies with reduced surface drag
CN1534201A (en) * 2003-01-29 2004-10-06 西门子Vdo汽车公司 Integrated end sealer in fan-case structure
CN1756909A (en) * 2003-03-05 2006-04-05 汉拏空调株式会社 Axial-flow fan
US20060216147A1 (en) * 2005-03-26 2006-09-28 Halla Climate Control Corporation Fan and shroud assembly
CN101680422A (en) * 2007-03-23 2010-03-24 弗洛设计风力涡轮机公司 Wind turbine with mixers and ejectors
WO2009054815A1 (en) * 2007-10-24 2009-04-30 Hidria Rotomatika D.O.O. Axial fan blade with corrugated pressure and suction surfaces
US20100266428A1 (en) * 2008-01-07 2010-10-21 Suguru Nakagawa Propeller fan
US20090193831A1 (en) * 2008-01-30 2009-08-06 Jung Hoon Kim Air conditioner

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104180503A (en) * 2013-05-20 2014-12-03 三星电子株式会社 Propeller fan and air conditioner having the same
CN103768813A (en) * 2014-01-28 2014-05-07 田旭峰 Vane of impeller device of mechanical evaporator
CN105090073A (en) * 2014-05-19 2015-11-25 Lg电子株式会社 Blower fan and air conditioner having the same
CN107923410A (en) * 2015-09-08 2018-04-17 三菱电机株式会社 Propeller type fan, propeller type fan device and conditioner outdoor unit
US20180238343A1 (en) * 2015-09-08 2018-08-23 Mitsubishi Electric Corporation Propeller fan, propeller fan device, and air conditioner outdoor unit
US10634161B2 (en) 2015-09-08 2020-04-28 Mitsubishi Electric Corporation Propeller fan, propeller fan device, and air conditioner outdoor unit
CN107923410B (en) * 2015-09-08 2021-12-07 三菱电机株式会社 Propeller fan, propeller fan device, and outdoor unit for air conditioning device
CN108291559A (en) * 2015-11-30 2018-07-17 三星电子株式会社 Blower fan and air-conditioning with the blower fan
US11041506B2 (en) 2015-11-30 2021-06-22 Samsung Electronics Co., Ltd. Blower fan and air conditioner having same

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US20130091888A1 (en) 2013-04-18

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Application publication date: 20130417