CN102080673B - Bell-mouth structure of air blower - Google Patents
Bell-mouth structure of air blower Download PDFInfo
- Publication number
- CN102080673B CN102080673B CN201010563666XA CN201010563666A CN102080673B CN 102080673 B CN102080673 B CN 102080673B CN 201010563666X A CN201010563666X A CN 201010563666XA CN 201010563666 A CN201010563666 A CN 201010563666A CN 102080673 B CN102080673 B CN 102080673B
- Authority
- CN
- China
- Prior art keywords
- horn mouth
- wall portion
- air
- fan
- propeller type
- 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.)
- Expired - Fee Related
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
- F04D29/547—Ducts having a special shape in order to influence fluid flow
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
Abstract
The invention relates to a bell-mouth structure of an air blower capable of reducing the rotating speed and the drive force of the air blower while keeping the air volume. The bell-mouth structure of the air blower provided around a blade wheel of an axial-flow air blower 24 for guiding air from an air suction side of the blade wheel 24 to an air blow-out side including an air blow-out wall portion 40 that intercommunicates with an air blow-out opening 24A and extends substantially along an axial direction of the blade wheel 24, and a slope wall portion 41 that intercommunicates with the air blow-out wall portion 40 and slopes to an air suction opening 25B so as to expand in diameter. When the overall height of the bell-mouth 25 is represented by H, the height of the slope wall portion 41 is represented by h and a slope angle of the slope wall portion 41 is represented by [beta], the bell mouth structure is configured so as to satisfy 0.33<=h/H<=0.42 and 60 DEG <=[beta]<=70 DEG.
Description
Technical field
The present invention relates to the bell-mouth structure of air of the gas fan that aircondition etc. uses.
Background technique
Usually, be widely used as the gas fan of air conditioner etc. such as axial fans such as propeller type fans, air-supply with impeller around, be provided with air with the suction side and guide to glibly and blow out side to reduce the horn mouth of leakage.In recent years, very strong to the requirement of the high performance of this gas fan, low noise, and proposed to improve by improving the horn mouth shape method (for example, with reference to patent documentation 1) of performance.
Patent documentation 1: TOHKEMY 2004-211971 communique
And, in recent years, the driving force (motor load) that requires to improve the air quantity of gas fan and require to reduce gas fan from the viewpoint of energy-saving.
Summary of the invention
Therefore, the object of the invention is to solve the existing problem of above-mentioned prior art, and be provided at the bell-mouth structure of air of the gas fan that can satisfy simultaneously the rotating speed that reduces gas fan and driving force when keeping identical air output.
To achieve these goals, the bell-mouth structure of air of gas fan of the present invention is located at around the impeller of axial fan and the air of the suction side of this impeller is guided to and blows out side, this bell-mouth structure of air is characterised in that, have: blow out wall section, its with blow out open communication and extending axially along described impeller roughly; Inclined wall portion, itself and this blow out wall section and link, and more to tilt by the larger mode of suction opening side diameter, bell-mouthed total height is made as H, and the height of inclined wall portion is made as h, when the angle of inclination of this inclined wall portion is made as β, satisfy 0.33≤h/H≤0.42, and 60 °≤β≤70 °.
In this structure, the described opening diameter that blows out the linking department that wall section and described inclined wall portion be connected is made as D, when the diameter of described impeller is made as d, satisfy 1.02＜D/d＜1.03.When being made as hL from the height of this suction opening nearest position will the blade from described suction opening to described impeller, satisfy 0.24≤hL/h≤0.4.
And, will the blade from described suction opening to described impeller from the described height that blows out opening nearest position when establishing hZ, satisfy 0.875≤hZ/H≤0.925.And can constitute described axial fan is propeller type fan.And, when the impeller of described propeller type fan is disposed at side-looking and described horn mouth fully overlapping position.
in addition, aircondition of the present invention has: the axial fan of heat exchanger air-supply and be arranged on around the impeller of this gas fan and the air of the suction side of this impeller is guided to the horn mouth that blows out side, described horn mouth has and blows out open communication and roughly blow out wall section and blow out wall section's link and the inclined wall portion more to tilt by the larger mode of suction opening side diameter with this along the axially extended of described impeller, should bell-mouthed total height be made as H, the height of inclined wall portion is made as h, when the angle of inclination of this inclined wall portion is made as β, satisfy 0.33≤h/H≤0.42, and 60 °≤β≤70 °.
According to the present invention, by designing horn mouth in the mode that satisfies 0.33≤h/H≤0.42 and 60 °≤β≤70 °, can satisfy simultaneously rotating speed and the driving force that reduces gas fan when keeping identical air output.
Description of drawings
Fig. 1 means the side sectional view of outdoor unit of the aircondition of one embodiment of the present invention.
Fig. 2 means the plan view of the internal structure of outdoor unit.
Fig. 3 (A) means the side view of the configuration relation of horn mouth and propeller type fan, and Fig. 3 (B) is bell-mouthed partial sectional view.
Fig. 4 means inclined wall portion and bell-mouthed height ratio, the angle of inclination of this inclined wall portion, the rotating speed of propeller type fan and the figure of the relation between motor load under identical operating condition.
Fig. 5 means the natural scale of horn mouth and propeller type fan, the rotating speed of propeller type fan and the figure of the relation between motor load.
Fig. 6 means ratio, the rotating speed of propeller type fan and the figure of the relation between motor load of the height of the height of the lower extreme point from the suction opening to the propeller type fan and inclined wall portion.
Fig. 7 means height and the ratio of bell-mouthed height, the rotating speed of propeller type fan and the figure of the relation between motor load of the upper extreme point from the suction opening to the propeller type fan.
Description of reference numerals
10 outdoor units
11 cell enclosure
12 base plates
21 heat exchangers
22 gas fans
23 fan motors
24 propeller type fans (impeller)
25 horn mouths
25A blows out opening
The 25B suction opening
31 accumulators
32 oil separators
33 storage tanks
34 electric elements mounting boxs
40 blow out wall section
41 inclined wall portion
42 linking departments
46 blades
The 46A upper extreme point
The 46B lower extreme point
Embodiment
Below, with reference to accompanying drawing, an embodiment of the invention are described.
The aircondition of present embodiment is made of outdoor unit 10 and indoor unit (not shown), makes refrigeration agent flow into the refrigerant circuit that is connected by refrigerant piping, carries out cooling operation and warming operation.Outdoor unit 10 is arranged on outdoor, carries out heat exchange with outdoor air and when carrying out cooling operation, makes refrigerant condenses and to the ambient air heat radiation, makes the refrigeration agent evaporation and absorb heat from ambient air when warming operation.Direction when in addition, following up and down and left and right directions refer to observe from its front side under the state that is provided with outdoor unit 10.
Fig. 1 is the side sectional view of outdoor unit 10, and Fig. 2 means the plan view of the internal structure of outdoor unit 10.Outdoor unit 10 has and is the roughly cell enclosure of the box shape of cuboid (framework) 11, and this cell enclosure 11 constitutes pillar 14, the front panel 15 (Fig. 2) that has base plate 12, extends to vertical direction from four bights of this base plate 12.
As shown in Figure 2, dispose the heat exchanger 21 that roughly is the bending of " コ " shape when overlooking and forms on base plate 12, dispose gas fan (axial fan) 22 on the top of this heat exchanger 21.The side face of heat exchanger 21 Component units shells 11, from the left surface of this cell enclosure 11 along the back side and right flank configuration.
As shown in Figure 1, gas fan 22 constitutes the propeller type fan (impeller) 24 on the axle that has the fan motor 23 that is disposed at heat exchanger 21 tops, is arranged on this fan motor 23.Between adjacent pillar 14,14, in the position that is equivalent to heat exchanger 21 upper ends, be provided with this pillar 14,14 coupling components 16,16 that connect, fan motor 23 is fixed on the pair of supporting 17,17 that is set up between this connecting member 16,16.
Around propeller type fan 24; the air that is provided with propeller type fan 24 suction sides guides to the horn mouth 25 that blows out side, and the fan protector (not shown) that opening 25A is used to prevent the contact propeller type fans 24 such as human body that blows out of this horn mouth 25 covers.And, be provided with decorative sheet (not shown) across the thermal-protective material 26 of foamed polystyrene etc. around horn mouth 25.
If propeller type fan 24 is driven by fan motor 23 and rotates, ambient air is around outdoor unit 10, in particular, as shown in arrow X in figure, the left surface side except the front, back side and right flank side from cell enclosure 11, be sucked in cell enclosure 11, and the opening 25A that blows out of the horn mouth 25 by being located at these cell enclosure 11 top parts is expelled to the outside.That is, this outdoor unit 10 consists of the end face blowing-type outdoor unit that blows out the air after heat exchange from end face.
In cell enclosure 11, be provided with compressor (not shown), accumulator 31, oil separator 32 and the storage tank 33 of a part that consists of refrigerant circuit on base plate 12, and pipe arrangement is connected with the refrigerant circuit component parts such as the valve body that is called four-way valve (not shown), expansion valve (not shown) and they is accommodated in cell enclosure 11.The pipe arrangement of these refrigerant circuit component parts one distolateral, be connected with the indoor unit pipe arrangement via heat exchanger 21, another of the pipe arrangement of this refrigerant circuit component parts is distolateral to be connected with the indoor unit pipe arrangement, thus, has consisted of the refrigerant circuit that makes refrigerant circulation.
And in the present invention, compressor configuration is in the front side of cell enclosure 11, disposes electric elements mounting box 34 at the superjacent air space of this compressor, is equipped with the various electric elementss such as the control substrate of controlling aircondition unit in electric elements mounting box 34.Therefore, by unloading front panel 15, the worker can be easily carries out the upkeep operation of the parts of cell enclosure 11 inside from front side.Reference character 35 is be located at the compressor top and be used for preventing that raindrop from directly dripping to the overlay on compressor.
Below, bell-mouthed structure is described.
Horn mouth 25 forms by resin forming, can realize lightweight and needed shape.As shown in Figure 3A, horn mouth 25 has and blows out opening 25A and diameter blows out the large suction opening 25B of opening 25A and forms tubular than this, and has: blow out wall section 40, its with blow out opening 25A and be communicated with, extending axially along propeller type fan 24 roughly; Inclined wall portion 41, itself and this blow out wall section 40 and link, more to tilt by the larger mode of suction opening 25B side diameter.
Blowing out wall section 40 is that the air that will be blowed by propeller type fan 24 guides to the parts that blow out opening 25A, be set to right angle or the angle slightly less than the right angle (in present embodiment, angle [alpha]=89 °) with the face angulation α that blows out opening 25A place.And upper end portion (the blow out opening side end) 40A that blows out wall section 40 is crooked in the form of a ring and form towards the outside with the radius of curvature of regulation, thus the flowing resistance when suppressing to blow over.
And inclined wall portion 41 is parts of when propeller type fan 24 running, the air cell enclosure 11 in being sent into glibly horn mouth 25 in, and as shown in Fig. 3 B, inclined wall portion 41 is by linking department 42 and blow out the 40 one links of wall section.Inclined wall portion 41 more expand more laterally by suction opening 25B side, with the bending and forming in the form of a ring of the inclination angle beta that face was become at this suction opening 25B place.In addition, the underpart of inclined wall portion 41 (suction opening side end) 41A is along the outside curve that faces at suction opening 25B place.
The inventor draws horn mouth 25 shape factors for the load of satisfying simultaneously the rotating speed reduce the propeller type fan 24 of gas fan 22 under identical operating condition and fan motor 23 by simulation.At this, the identical operating condition of gas fan 22 refers to air quantity Q (m
3/ min) and the identical operating condition of static pressure (mmAq).in Fig. 3, at first, in the height H with horn mouth 25, the height h of inclined wall portion 41, the inclination angle beta of inclined wall portion 41, the diameter D of the horn mouth 25 at linking department 42 places, the diameter d of propeller type fan 24, the height hZ of the upper extreme point of 24 blade 46 from suction opening 25B to propeller type fan (from blowing out opening 25A nearest position) 46A, the height hL of the lower extreme point of 24 blade 46 from suction opening 25B to propeller type fan (from the nearest position of suction opening 25B) 46B is in the situation of parameter, reduced what effect of the variation of understanding these shape values to the load of the rotating speed of propeller type fan 24 under identical operating condition and fan motor 23.
In Fig. 4, transverse axis represents the suction port angle, i.e. the inclination angle beta of the inclined wall portion 41 of horn mouth 25, and the left side longitudinal axis represents motor load (W), the right side longitudinal axis represents the rotating speed (rpm) of propeller type fan 24.Be (200m when making gas fan 22 at air quantity Q
3/ min), static pressure is when turning round under the same terms of (6mmAq), inclined wall portion 41 and the height ratio h/H of horn mouth 25, the inclination angle beta of inclined wall portion 41 are changed respectively, and how the rotating speed of simulation propeller type fan 24 and the load of fan motor 23 change.
By this simulation as can be known: to satisfy h/H=0.33 (black circles mark, black square mark) and to be in the horn mouth 25 that near the mode inclination angle beta=60 ° designs, least-loaded and this horn mouth of the rotating speed of propeller type fan 24 and fan motor 23 have best performance.
Inclination angle beta greater than the scope of 70 ° in, in all horn mouths that satisfy 0.20≤h/H≤0.67, the tendency that motor load and rotating speed all have the increase with the angle of inclination to increase.On the other hand, in the scope below 70 °, in satisfying the horn mouth of h/H=0.67, motor load and rotating speed become high value in inclination angle beta.
From the motor load aspect, in satisfying h/H=0.20,0.33 horn mouth, have minimal point near inclination angle beta is 60 °, no matter and inclination angle beta larger or little than 60 °, motor load all increases.Wherein, in satisfying the horn mouth of h/H=0.20, ° value of locating increases from the value that is in other angles of inclination highlightedly in inclination angle beta=70 in motor load.In satisfying h/H=0.42,0.50 horn mouth, motor load reduces in inclination angle beta is the interval of 50 ° to 60 °, and in inclination angle beta was the interval of 60 ° to 70 °, motor load was roughly certain value.
In addition, from the rotating speed aspect, in satisfying the horn mouth of h/H=0.50, in inclination angle beta is the interval of 50 ° to 70 °, the tendency that reduces is arranged.In satisfying the horn mouth of h/H=0.42, rotating speed reduces in inclination angle beta is the interval of 50 ° to 60 °, is roughly certain value in inclination angle beta is the interval of 60 ° to 70 °.In satisfying the horn mouth of h/H=0.33, rotating speed is that 60 ° of vicinity exist minimal point in inclination angle beta, no matter and inclination angle beta less or large than 60 °, rotating speed all increases.In satisfying the horn mouth of h/H=0.20, rotating speed constant ground passing in inclination angle beta is 50 ° to 60 ° interval has rising trend in inclination angle beta is the interval of 60 ° to 70 °.
By this simulation as can be known: for the load of rotating speed and the fan motor 23 of seeking to reduce propeller type fan 24, preferably satisfy the design of 0.33≤h/H≤0.42 and 60 °≤β≤70 °.
As mentioned above, the horn mouth of present embodiment is in the situation that design in the mode that satisfies 0.33≤h/H≤0.42 and 60 °≤β≤70 ° as can be known, can satisfy simultaneously the rotating speed that reduces propeller type fan 24 and the load of fan motor 23 when keeping identical air output.
The mode that Fig. 5 means to satisfy h/H=0.33 and inclination angle beta=60 ° designs in bell-mouthed situation, the rotating speed of the natural scale of horn mouth 25 and propeller type fan (D/d), propeller type fan and the figure of the relation between motor load.
As shown in Figure 5, motor load and rotating speed have the tendency that the increase with natural scale D/d increases.Therefore, in order to seek to reduce motor load and rotating speed, preferably make the value of natural scale D/d as far as possible little.On the other hand, if the value of natural scale D/d reduces, might cause the blade 46 of propeller type fan 24 to contact with the internal surface of horn mouth 25.Therefore, the viewpoint that contacts with horn mouth 25 from reducing motor load and rotating speed and inhibition propeller type fan 24, according to the result of this simulation, preferably design in the scope of 1.02＜D/d＜1.03, further preferably design in the scope of 1.0225≤D/d≤1.0285.
Fig. 6 means from suction opening 25B to propeller type fan ratio hL/h, the rotating speed of propeller type fan and the figure of the relation motor load of the height h of the height hL of 24 lower extreme point 46B and inclined wall portion 41.According to the result of this simulation as can be known: the tendency that motor load has the increase with hL/h to increase, but rotating speed minimum occurs near hL/h=0.24 or hL/h=0.3.
Therefore, according to the result of this simulation as can be known: preferably the mode with the scope that satisfies 0.24≤hL/h≤0.40 configures propeller type fan 24.Thus, can seek further to reduce rotating speed and the motor load of propeller type fan 24.
Fig. 7 means from suction opening 25B to propeller type fan ratio hZ/H, the rotating speed of propeller type fan and the figure of the relation motor load of the height H of the height hZ of 24 upper extreme point 46A and horn mouth 25.According to the result of this simulation as can be known: the tendency that motor load has the increase with hZ/H to increase, but minimum appears in rotating speed near hZ/H=0.9.
Therefore, according to the result of this simulation as can be known: preferably the mode with the scope that satisfies 0.866≤hZ/H≤0.933 configures propeller type fan 24, further preferably configures propeller type fan 24 in the mode of the scope that satisfies 0.875≤hZ/H≤0.925.Thus, can seek further to reduce rotating speed and the motor load of propeller type fan 24.
As mentioned above, the horn mouth 25 of present embodiment is designed to satisfy 0.33≤h/H≤0.42 and 60 °≤β≤70 °, and, the opening diameter D at linking department 42 places of horn mouth 25 satisfies 1.02＜D/d＜1.03, configure propeller type fan 24 in the mode that satisfies 0.24≤hL/h≤0.40 and 0.866≤hZ/H≤0.933 in horn mouth 25, thus, can satisfy simultaneously rotating speed and the motor load that reduces propeller type fan 24 when keeping identical air output.
And, according to present embodiment, when being disposed at side-looking due to propeller type fan 24 and horn mouth 25 fully overlapping position, therefore, by covered the zone of propeller type fan 24 work by horn mouth 25, can by horn mouth 25 guiding by whole air that propeller type fan 24 blows, can seek to improve the air output of propeller type fan 24.
Claims (6)
1. the horn mouth of a gas fan, it is located at around the impeller of axial fan, the air of the suction side of this impeller is guided to blow out side, and the bell-mouth structure of air of described gas fan is characterised in that,
Have: blow out wall section, its with blow out open communication and extending axially along described impeller roughly; Inclined wall portion, itself and this blow out wall section and link, and more tilting by the larger mode of suction opening side diameter,
Bell-mouthed total height is made as H, and the height of inclined wall portion is made as h, when the angle of inclination of this inclined wall portion is made as β, satisfies 0.33≤h/H≤0.42, and, 60 °≤β≤70 °,
The described opening diameter that blows out the linking department that wall section and described inclined wall portion be connected is made as D, when the diameter of described impeller is made as d, satisfies 1.02＜D/d＜1.03.
2. the horn mouth of gas fan according to claim 1, is characterized in that, when being made as hL from the height of this suction opening nearest position will the blade from described suction opening to described impeller, satisfies 0.24≤hL/h≤0.4.
3. the horn mouth of gas fan according to claim 1, is characterized in that, when being made as hZ from the described height that blows out opening nearest position will the blade from described suction opening to described impeller, satisfies 0.875≤hZ/H≤0.925.
4. the horn mouth of gas fan according to claim 2, is characterized in that, when being made as hZ from the described height that blows out opening nearest position will the blade from described suction opening to described impeller, satisfies 0.875≤hZ/H≤0.925.
5. the horn mouth of the described gas fan of any one according to claim 1 to 4, is characterized in that, described axial fan is propeller type fan.
6. the horn mouth of gas fan according to claim 5, is characterized in that, the impeller of described propeller type fan is configured by the mode that described horn mouth covers with its working zone.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009270342A JP5322900B2 (en) | 2009-11-27 | 2009-11-27 | Bell mouth structure of blower |
| JP270342/09 | 2009-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102080673A CN102080673A (en) | 2011-06-01 |
| CN102080673B true CN102080673B (en) | 2013-05-08 |
Family
ID=43660180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010563666XA Expired - Fee Related CN102080673B (en) | 2009-11-27 | 2010-11-29 | Bell-mouth structure of air blower |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110127019A1 (en) |
| EP (1) | EP2333435A3 (en) |
| JP (1) | JP5322900B2 (en) |
| CN (1) | CN102080673B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5891408B2 (en) * | 2011-07-15 | 2016-03-23 | パナソニックＩｐマネジメント株式会社 | Air conditioner outdoor unit |
| JP5877364B2 (en) * | 2011-06-13 | 2016-03-08 | パナソニックＩｐマネジメント株式会社 | Air conditioner outdoor unit |
| WO2013183145A1 (en) | 2012-06-07 | 2013-12-12 | 三菱電機株式会社 | Air conditioning outdoor unit |
| JP5805598B2 (en) * | 2012-09-12 | 2015-11-04 | 三菱電機株式会社 | Refrigeration cycle equipment |
| KR20150075934A (en) * | 2013-12-26 | 2015-07-06 | 엘지전자 주식회사 | Brower apparatus and air conditioner having the same |
| KR102395851B1 (en) * | 2015-04-08 | 2022-05-10 | 삼성전자주식회사 | Fan assembly and air conditioner having the same |
| JP6495860B2 (en) * | 2016-04-21 | 2019-04-03 | ダイキン工業株式会社 | Heat source unit |
| US10648681B2 (en) | 2016-07-19 | 2020-05-12 | Mitsubishi Electric Corporation | Heat source unit and refrigeration cycle apparatus |
| CN106438414B (en) * | 2016-11-02 | 2019-07-30 | 美的集团股份有限公司 | Fan assembly and living electric apparatus with it |
| CN106368964B (en) * | 2016-11-02 | 2019-07-30 | 美的集团股份有限公司 | Fan assembly and living electric apparatus with it |
| CN106438413B (en) * | 2016-11-02 | 2019-07-30 | 美的集团股份有限公司 | Fan assembly and living electric apparatus with it |
| JP6879458B2 (en) * | 2017-03-15 | 2021-06-02 | 株式会社富士通ゼネラル | Outdoor unit of air conditioner |
| KR102559756B1 (en) * | 2018-09-14 | 2023-07-27 | 삼성전자주식회사 | An outdoor for a an air conditioner |
| WO2021084605A1 (en) | 2019-10-29 | 2021-05-06 | 三菱電機株式会社 | Outdoor unit for air conditioning device |
| US20220325905A1 (en) * | 2021-04-07 | 2022-10-13 | Rheem Manufacturing Company | Air handling unit and fan therefor |
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| CN1406319A (en) * | 2000-12-28 | 2003-03-26 | 大金工业株式会社 | Blower, and outdoor unit for air conditioner |
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| JPS53132011U (en) * | 1977-03-28 | 1978-10-19 | ||
| KR0140195B1 (en) * | 1990-03-07 | 1998-07-01 | 다나까 다로오 | Press-fit Axial Blowers |
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2009
- 2009-11-27 JP JP2009270342A patent/JP5322900B2/en not_active Expired - Fee Related
-
2010
- 2010-11-23 US US12/952,726 patent/US20110127019A1/en not_active Abandoned
- 2010-11-24 EP EP10014955.8A patent/EP2333435A3/en not_active Withdrawn
- 2010-11-29 CN CN201010563666XA patent/CN102080673B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406319A (en) * | 2000-12-28 | 2003-03-26 | 大金工业株式会社 | Blower, and outdoor unit for air conditioner |
| CN2592921Y (en) * | 2002-07-30 | 2003-12-17 | 倪松涛 | Mixed-flow fan |
| CN2606205Y (en) * | 2002-12-23 | 2004-03-10 | 余习猛 | Low-noise ventilator |
| CN1746514A (en) * | 2004-09-06 | 2006-03-15 | 台达电子工业股份有限公司 | Radiating fan and its frame structure |
| CN101086264A (en) * | 2006-06-09 | 2007-12-12 | 日本电产株式会社 | Axial flow fan |
| CN101576094A (en) * | 2008-05-07 | 2009-11-11 | 台达电子工业股份有限公司 | Fan and flow-guided structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102080673A (en) | 2011-06-01 |
| US20110127019A1 (en) | 2011-06-02 |
| JP5322900B2 (en) | 2013-10-23 |
| EP2333435A3 (en) | 2014-11-12 |
| JP2011111998A (en) | 2011-06-09 |
| EP2333435A2 (en) | 2011-06-15 |
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Granted publication date: 20130508 Termination date: 20211129 |