CN103225625A - Centrifugal fan and clothes dryer with same - Google Patents
Centrifugal fan and clothes dryer with same Download PDFInfo
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- CN103225625A CN103225625A CN2013101068416A CN201310106841A CN103225625A CN 103225625 A CN103225625 A CN 103225625A CN 2013101068416 A CN2013101068416 A CN 2013101068416A CN 201310106841 A CN201310106841 A CN 201310106841A CN 103225625 A CN103225625 A CN 103225625A
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Abstract
The invention discloses a centrifugal fan and a clothes dryer with the same. The centrifugal fan comprises a plurality of main blades arranged on the periphery of the centrifugal fan, and is characterized in that a plurality of radially distributed auxiliary blades are arranged on a mask, facing an air inlet direction, of the centrifugal fan. The centrifugal fan further comprises a wheel rim and a wheel disk, wherein the central area of the wheel disk forms a motor cover; the plurality of main blades are circumferentially arranged between the wheel rim and the wheel disk at intervals, and every two adjacent main blades define a first airflow passageway; the plurality of auxiliary blades surround a connection shaft sleeve and are arranged on the motor cover, and every two adjacent auxiliary blades define a second airflow passageway; and the first airflow passageways, the second airflow passageways and air inlets are communicated mutually. The centrifugal fan can effectively reduce inhibition of the motor cover, enable airflow at the air inlets of the centrifugal fan to flow better, and realize two-stage boosting and speed-increasing of the auxiliary blades and the main blades, so that the pressure of airflow at outlets of the centrifugal fan is obviously increased, and the efficiency of the fan is improved.
Description
Technical field
The present invention relates to the domestic electric appliance field, especially relate to a kind of centrifugal cutter and clothes drier with it.
Background technique
Blower fan roughly is divided into axial-flow blower and centrifugal blower with the difference of gas flow direction.Centrifugal blower is by utilizing the centrifugal cutter of high speed rotating, make gas from axially entering centrifugal cutter, and under its action of centrifugal force, between the blade of centrifugal cutter, direction radially discharged.The centrifugal cutter of centrifugal blower normally provides power by motor, and the rotation by motor output shaft drives its high speed rotating.
Centrifugal cutter of the prior art; usually heart zone is provided with electrical machinery cover therein; the electrical machinery cover volume is bigger; become the major obstacle that air-flow flows into centrifugal cutter central negative nip; and impinge upon the electrical machinery cover surface in the air current flow process and form backflow; cause centrifugal blower intake grill place stream condition not good, fan performance descends.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, the present invention need provide a kind of centrifugal cutter, and this centrifugal cutter can make the air-flow fluidised form at its intake grill place better, increases blower fan and goes out wind pressure, improves fan efficiency.
The present invention also needs to provide a kind of clothes drier with this centrifugal cutter.
Be included in its periphery according to the centrifugal cutter of first aspect present invention and be provided with a plurality of primary blades, it is characterized in that, on the face shield of air intake direction, be provided with a plurality of a plurality of back blades that radially distribute at described centrifugal cutter.
Can effectively reduce the inhibition of face shield or electrical machinery cover according to centrifugal cutter of the present invention, make the air-flow fluidised form at centrifugal cutter intake grill place better, and realized the two-step supercharging speed-raising of back blades, primary blades enlarging markedly centrifugal cutter exit flow pressure, improve fan efficiency.
According to one embodiment of present invention, the face shield of described centrifugal cutter is an electrical machinery cover.
According to one embodiment of present invention, described centrifugal cutter further comprises: wheel rim has the intake grill that is used for the air inflow on the described wheel rim; And wheel disc, the center region that described wheel disc is located at described wheel rim below and described wheel disc is configured to described electrical machinery cover, and protruding upward and its top of described electrical machinery cover is provided with connecting bushing; Described a plurality of primary blades circumferentially is located between described wheel rim and the described wheel disc at interval, limits first air-flow path between adjacent two described primary blades; Described a plurality of back blades is located on the described electrical machinery cover around described connecting bushing, limits second air-flow path between adjacent two described back blades, and described first air-flow path, described second air-flow path and described intake grill are interconnected.
When centrifugal cutter rotates, enter the air-flow of centrifugal cutter from intake grill, a part can flow in the gap between electrical machinery cover and the primary blades, and in the high speed rotating of centrifugal cutter, is raised speed by the primary blades supercharging, discharges from first air-flow path; Wherein another part air-flow can flow along second air-flow path earlier under the guiding function of back blades in process of flowing vertically, flow in first air-flow path again and is discharged from.Thus, avoided airflow strikes to rebound, reflux and the formation turbulent flow to the top surface of electrical machinery cover, the state of inlet air flow has obtained adjusting preferably, and wind-guiding efficient has obtained raising widely.And, flow into the interior air-flow of centrifugal cutter, can be earlier by the supercharging speed-raising of back blades, by the supercharging speed-raising and the discharge of primary blades, blower fan outlet pressure and flow velocity have obtained promoting further again.
To sum up, can make the air-flow fluidised form at its intake grill place better, avoid turbulent flow, increase stream pressure, improve flow velocity, improve fan efficiency according to centrifugal cutter of the present invention.
In addition, also can have following additional technical feature according to centrifugal cutter of the present invention:
Described a plurality of back blades is divided into many groups, and described many group back blades are evenly distributed around described connecting bushing.Can guarantee the uniformity of the quality of whole centrifugal cutter like this, avoid centrifugal cutter in rotating process, to shake.
Preferably, described a plurality of back blades is evenly distributed around described connecting bushing.Can guarantee the uniformity of the quality of whole centrifugal cutter like this, avoid centrifugal cutter in rotating process, to shake
Preferably, the upper surface of described back blades is concordant with the upper surface of described wheel rim.Can further promote the stability of air-flow fluidised form thus, reduce turbulent flow further.
Preferably, described back blades is identical with the thickness of described primary blades.The flow direction of air-flow more becomes reasonable thus.
Preferably, described back blades and described primary blades is in the same way leaf.Like this flow direction of air-flow is reached unanimity, flow more smooth-goingly, guarantee the stability of air current flow.
Preferably, the fluid inlet angle of described back blades is identical with the fluid inlet angle of described primary blades.
Preferably, the efflux angle of described back blades is slightly less than the efflux angle of described primary blades.
Thus, can effectively reduce the impact loss of air-flow when second air-flow path flows to first air-flow path, it is more smooth-going to guarantee to flow.
Described wheel rim, described wheel disc, described a plurality of primary blades and described a plurality of back blades are one-body molded.Can guarantee the soundness of the connection between wheel rim, wheel disc, a plurality of primary blades and a plurality of back blades thus.
The top surface of described electrical machinery cover forms arcuate surface or plane.
Described connecting bushing and the coaxial setting of described electrical machinery cover.
According to the clothes drier of second aspect present invention, comprise the air channel and according to the described centrifugal cutter of first aspect present invention, described centrifugal cutter is arranged in the described air channel.
Since centrifugal cutter can make the air-flow fluidised form at its intake grill place better, reduced the inlet turbulent flow, increased stream pressure, improved flow velocity, improved fan efficiency, advantage such as therefore, clothes drier is provided with centrifugal cutter and has high working efficiency, and performance is good.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming embodiment's the description in conjunction with following accompanying drawing, wherein:
Fig. 1 is the plan view according to the centrifugal cutter of the embodiment of the invention;
Fig. 2 is the side view according to the centrifugal cutter of the embodiment of the invention;
Fig. 3 is the stereogram according to the centrifugal cutter of the embodiment of the invention;
Fig. 4 is the schematic representation that has the clothes drier of centrifugal cutter according to the embodiment of the invention.
Reference character
Clothes drier 200; Air channel 10;
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment who is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than the device or the element of indication or hint indication must have specific orientation, therefore orientation structure and operation with specific can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more a plurality of this feature can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, need to prove that unless clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.
Below with reference to the centrifugal cutter 100 of Fig. 1-Fig. 4 description according to the embodiment of the invention.Centrifugal cutter 100 is important component of clothes drier 200 or wash-dry integration machine, and centrifugal cutter 100 rotates by the driving of motor.Described clothes drier 200 comprises air channel 10 and is arranged on centrifugal cutter 100 in the air channel 10.Certainly, clothes drier 200 also comprises parts such as the accommodation tube that is used for accommodating laundry, electric system, shell, because this part is known and for well known to those of ordinary skill in the art, therefore repeats no more.
According to the centrifugal cutter 100 of the embodiment of the invention, be included in a plurality of primary blades 3 that its periphery is provided with, on the face shield of air intake direction, be provided with a plurality of back blades 4 that radially distribute at described centrifugal cutter 100.In one embodiment, the face shield of described centrifugal cutter is an electrical machinery cover 21, and the motor that wherein is used to drive centrifugal cutter 100 can be located at the rear of this electrical machinery cover 21.
The centrifugal cutter 100 of an embodiment of the present invention as shown in Figure 1-Figure 3, further comprises wheel rim 1 and wheel disc 2.
For the convenience of describing, in the following embodiment of the present invention, will orientate example along the vertical direction as with wheel rim 1 and wheel disc 2, the structure of centrifugal cutter 100 is described.In the description of embodiments of the invention: " above-below direction " is for example shown in the arrow among Fig. 2 and Fig. 3.But need to prove that the indication of this direction is for exemplary purposes, rather than in order to limit protection scope of the present invention.
Stereogram as shown in Figure 3 has the intake grill that is used for the air inflow on the wheel rim 1.Wheel rim 1 is an annular, and this annular inner ring has limited this intake grill, and during centrifugal cutter 100 work, air can enter into centrifugal cutter 100 by this intake grill and form inlet air flow.
A plurality of primary blades 3 circumferentially are located between wheel rim 1 and the wheel disc 2 at interval, limit first air-flow path 31 between adjacent two primary blades 3.Enter into the air-flow of centrifugal cutter 100 from intake grill, under the action of centrifugal force that high speed rotating produced of centrifugal cutter 100, can along centrifugal cutter 100 radially discharge from first air-flow path 31.
A plurality of back blades 4 are located on the wheel disc 2, and particularly, a plurality of back blades 4 are located on the electrical machinery cover 21 that is positioned at wheel disc 2 center regions, and a plurality of back blades 4 limits second air-flow path 41 around connecting bushing 22 circumferential array settings between adjacent two back blades 4.First air-flow path 31, second air-flow path 41 and intake grill are interconnected.After gas enters into centrifugal cutter 100 from intake grill, not only can directly discharge, also can discharge from first air-flow path 31 again by second air-flow path 41 from first air-flow path 31.
Particularly, when centrifugal cutter 100 rotates, enter the air-flow of centrifugal cutter 100 from intake grill, in a part of gap that can flow between electrical machinery cover 21 and the primary blades 3, and in the high speed rotating of centrifugal cutter 100,, discharge from first air-flow path 31 by primary blades 3 superchargings speed-raising.Wherein another part air-flow can flow along second air-flow path 41 earlier under the guiding function of back blades 4 in process of flowing vertically, flow in first air-flow path 31 again and is discharged from.Thus, avoided airflow strikes to rebound, reflux and the formation turbulent flow to the top surface of electrical machinery cover 21, the state of inlet air flow has obtained improving preferably, and wind-guiding efficient is significantly improved.And, flow into the air-flow in the centrifugal cutter 100, can be earlier supercharging speed-raising by back blades 4, the supercharging speed-raising by primary blades 3 and discharging again, the pressure of air-flow has obtained promoting further, and then has improved air-flow velocity to a certain extent.
To sum up, can make the air-flow fluidised form at its intake grill place better, reduce the inlet turbulent flow, increase stream pressure, improve flow velocity, improve wind-guiding efficient according to the centrifugal cutter 100 of the embodiment of the invention.
As shown in Figure 3, in one embodiment of the invention, when the top of motor was arc, the top surface of electrical machinery cover 21 can form arcuate surface, connecting bushing 22 and electrical machinery cover 21 coaxial settings, the i.e. axis coinciding of connecting bushing 22 and electrical machinery cover 21.Can make the structure of centrifugal cutter 100 more reasonable thus, motor is more stable when driving centrifugal cutter 100 rotations.
In another embodiment of the present invention, when the top of motor was the plane, the top surface of electrical machinery cover 21 can form the plane, connecting bushing 22 and electrical machinery cover 21 coaxial settings, and promptly connecting bushing 22 is located at the center of electrical machinery cover 21.Can make electrical machinery cover 21 adapt to the shape of motor more thus, motor is more stable when driving centrifugal cutter 100 rotations.
Certainly the present invention is not limited to this, and the shape of electrical machinery cover 21 can have different shapes according to the different structure of motor, herein only for exemplary purposes, rather than in order to limit protection scope of the present invention.
A plurality of back blades 4 can be divided into many groups preferably in the example at one of the present invention, and organize back blades 4 can be evenly distributed around connecting bushing 22 more.Can guarantee the uniformity of the quality of whole centrifugal cutter 100 like this, avoid centrifugal cutter 100 in rotating process, to shake, and then avoid entering into the air-flow confusion in the centrifugal cutter 100.
Particularly, suppose that back blades 4 comprises 24 altogether, being divided into is six groups, every group comprises four back blades 4, and wherein six groups of blades can be evenly distributed around connecting bushing 22, is understandable that here, spacing between six groups of blades is equably, and in six groups of blades, the structure of each group, shape, size etc. all are in the same manner, make structure more even with mass distribution of centrifugal cutter 100 thus.Wherein, can correspondingly design according to actual wind-guiding needs between four back blades 4 in every group of blade and arrange.
At one more preferably in the example of the present invention, as shown in Figure 1, a plurality of back blades 4 are evenly distributed around connecting bushing 22.That is to say, 24 above-mentioned back blades 4 are evenly distributed around connecting bushing 22, can further improve the uniformity of the quality of centrifugal cutter 100 thus, further avoid the shake of centrifugal cutter 100 in rotating process, and then make the air-flow that enters in the centrifugal cutter 100 more orderly.
In one embodiment of the invention, primary blades 3 and back blades 4 are all the forward direction blade or are all backward inclined blade.As previously mentioned, the efflux angle of back blades 4 and primary blades 3 is close, also promptly determined substantially in the same way leaf, if the angle of efflux angle greater than 90 °, can think that forward direction is leaf; If the angle of efflux angle, can think that the back is to leaf less than 90 °.Particularly, the bending direction of back blades 4 is identical with the bending direction of primary blades 3.For example, if primary blades 3 curves inwardly clockwise around connecting bushing 22, then back blades 4 also can be to curve inwardly clockwise around connecting bushing 22.Thus, the air-flows that flow in second air-flow path 41 can enter in first air-flow path 31 according to original flow direction, like this flow direction of air-flow are reached unanimity, flow more smooth-goingly, have guaranteed the stability of air current flow.
In one embodiment of the invention, the fluid inlet angle of back blades 4 can be identical with the fluid inlet angle of primary blades 3.Can guarantee the conformity of air current flow direction so further, and air-flow when flowing to first air-flow path 31, second air-flow path 41 more steadily along sliding, has reduced the shock at entry loss of air-flow.
Further, the efflux angle of back blades 4 can be slightly less than the efflux angle of primary blades 3.Thus, can make air-flow when second air-flow path 41 flows to first air-flow path 31, further guarantee characteristic stably, fluidised form is consistent more.
In some embodiments of the invention, back blades 4 is identical with the thickness of primary blades 3.Like this, air-flow is when second air-flow path 41 flows to first air-flow path 31, and the distribution of air-flow is more even, can guarantee that air-flow flowing in centrifugal cutter 100 is more steady.
In preferably embodiment more of the present invention, the upper surface of back blades 4 is no more than the upper surface of wheel rim 1, makes the air-flow fluidised form more stable thus, reduces turbulent flow.
Further, the upper surface of back blades 4 is concordant with the upper surface of wheel rim 1, can further promote the stability of air-flow fluidised form thus, reduces turbulent flow further.
In one embodiment of the invention, wheel rim 1, wheel disc 2, a plurality of primary blades 3 and a plurality of back blades 4 are one-body molded.Particularly, each back blades 4 is integrally formed on the electrical machinery cover 21 of wheel disc 2, and the top and bottom of each primary blades 3 are connected with wheel disc 2 one with wheel rim 1 respectively.Alternatively, wheel rim 1, wheel disc 2, primary blades 3 and back blades 4 can be working of plastics and one-body molded by the method for injection moulding.Thus, not only can guarantee the soundness of the connection between wheel rim 1, wheel disc 2, a plurality of primary blades 3 and a plurality of back blades 4, and, can reduce the cost of manufactured materials, alleviate the weight of centrifugal cutter 100 by utilizing working of plastics to make centrifugal cutter 100.
The invention allows for a kind of centrifugal blower, this centrifugal blower comprises centrifugal cutter 100 according to the above embodiment of the present invention.Owing to centrifugal cutter 100 can make the air-flow fluidised form at its intake grill place better, reduce the inlet turbulent flow, increase stream pressure, improved flow velocity, improved wind-guiding efficient, therefore, advantages such as the centrifugal blower that is provided with centrifugal cutter 100 has wind-guiding efficient height, and performance is good.
Centrifugal blower according to the embodiment of the invention also comprises motor and spiral case, and wherein motor and centrifugal cutter 100 all can be located in this spiral case.
Particularly, spiral case can have the side panel that upper head plate, lower end sheet and edge circumferentially are provided with.Wherein the side panel of spiral case, upper head plate and lower end sheet limit holding space jointly, and motor and centrifugal cutter 100 all are located in this holding space.
Can have on the upper head plate and be used for second intake grill that air enters, when centrifugal cutter 100 was located in the spiral case, first intake grill and second intake grill were concentric.Can be provided with the receiving groove that is used to hold motor on the lower end sheet, motor is located in this receiving groove, when centrifugal cutter 100 is located in the spiral case, electrical machinery cover 21 can be blocked this motor, promptly this electrical machinery cover 21 can limit installing space with this receiving groove, motor is placed in this installing space, and the output shaft of motor is connected with connecting bushing 22.Have the exhaust outlet that is used for the air-flow outflow on the side panel, like this,, finally can discharge centrifugal blower from this exhaust outlet by the air-flow that second intake grill and first intake grill enter.Because our department is divided into known and it is well known to those of ordinary skill in the art to be, therefore no longer describes in detail.
Below the concise and to the point working procedure of describing centrifugal blower.
Starting electrical machinery, the output shaft of motor can drive centrifugal cutter 100 rotations.The centrifugal blower ambient air enters in the centrifugal blower by second intake grill and first intake grill successively, to form inlet air flow.The part of inlet air flow can directly flow to first air-flow path 31 from the gap between electrical machinery cover 21 and the primary blades 3, and is discharged to outside the centrifugal cutter 100.Another part can at first flow in second air-flow path 41, after second air-flow path, 41 superchargings speed-raising, flows into first air-flow path 31, and is discharged to outside the centrifugal cutter 100.From the high velocity air that centrifugal cutter 100 is discharged, enter into the interior process of spiral case and converge, from exhaust outlet, discharge, finished the dispatch of centrifugal blower for air-flow.
Clothes drier 200 according to the embodiment of the invention is provided with centrifugal cutter 100, so that the air-flow in the air channel 10 is played driving action, promotes circulation of air flow, so that cloth drying is faster, more even.Owing to centrifugal cutter 100 can make the air-flow fluidised form at its intake grill place better, reduce the inlet turbulent flow, increase stream pressure, improved flow velocity, improved fan efficiency, therefore, advantages such as clothes drier 200 is provided with centrifugal cutter 100 and has high working efficiency, and performance is good.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiments or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiments under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (14)
1. a centrifugal cutter is included in its periphery and is provided with a plurality of primary blades, it is characterized in that, is provided with a plurality of a plurality of back blades that radially distribute at described centrifugal cutter on the face shield of air intake direction.
2. the centrifugal cutter that is used for clothes drier according to claim 1 is characterized in that, the face shield of described centrifugal cutter is an electrical machinery cover.
3. the centrifugal cutter that is used for clothes drier as claimed in claim 2 is characterized in that, described centrifugal cutter further comprises:
Wheel rim has the intake grill that is used for the air inflow on the described wheel rim; And
The center region that wheel disc, described wheel disc are located at described wheel rim below and described wheel disc is configured to described electrical machinery cover, and protruding upward and its top of described electrical machinery cover is provided with connecting bushing,
A plurality of described a plurality of primary blades circumferentially are located between described wheel rim and the described wheel disc at interval, limit first air-flow path between adjacent two described primary blades,
The described a plurality of back blades of a plurality of back blades are located on the described electrical machinery cover around described connecting bushing, limit second air-flow path between adjacent two described back blades, and described first air-flow path, described second air-flow path and described intake grill are interconnected.
4. centrifugal cutter according to claim 3 is characterized in that, described a plurality of back blades are divided into many groups, and described many group back blades are evenly distributed around described connecting bushing.
5. centrifugal cutter according to claim 4 is characterized in that, described a plurality of back blades are evenly distributed around described connecting bushing.
6. centrifugal cutter according to claim 3 is characterized in that the upper surface of described back blades is concordant with the upper surface of described wheel rim.
7. centrifugal cutter according to claim 3 is characterized in that, described back blades is identical with the thickness of described primary blades.
8. centrifugal cutter according to claim 3 is characterized in that, described back blades and described primary blades in the same way leaf.
9. centrifugal cutter according to claim 3 is characterized in that, the fluid inlet angle of described back blades is identical with the fluid inlet angle of described primary blades.
10. centrifugal cutter according to claim 3 is characterized in that, the efflux angle of described back blades is slightly less than the efflux angle of described primary blades.
11. centrifugal cutter according to claim 3 is characterized in that, described wheel rim, described wheel disc, described a plurality of primary blades and described a plurality of back blades are one-body molded.
12. centrifugal cutter according to claim 3 is characterized in that, the top surface of described electrical machinery cover forms arcuate surface or plane.
13. centrifugal cutter according to claim 12 is characterized in that, described connecting bushing and the coaxial setting of described electrical machinery cover.
14. a clothes drier is characterized in that, comprises the air channel and as the described centrifugal cutter of claim 1-13, described centrifugal cutter is arranged in the described air channel.
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| CN2013101068416A CN103225625A (en) | 2013-03-28 | 2013-03-28 | Centrifugal fan and clothes dryer with same |
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| CN2013101068416A CN103225625A (en) | 2013-03-28 | 2013-03-28 | Centrifugal fan and clothes dryer with same |
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| WO2014153748A1 (en) * | 2013-03-28 | 2014-10-02 | 无锡小天鹅股份有限公司 | Centrifugal fan and clothes dryer having same |
| CN104259161A (en) * | 2014-09-16 | 2015-01-07 | 芜湖市华益阀门制造有限公司 | Air drying device for inner surface cleaning machine |
| CN106678968A (en) * | 2016-12-30 | 2017-05-17 | 广东美的制冷设备有限公司 | Centrifugal wind wheel, combined centrifugal wind wheel and air conditioner |
| CN106678967A (en) * | 2016-12-30 | 2017-05-17 | 广东美的制冷设备有限公司 | Centrifugal wind wheel, combined centrifugal wind wheel and air conditioner |
| CN108825562A (en) * | 2018-04-28 | 2018-11-16 | 西北工业大学 | A kind of twin-channel supercharging device |
| CN108843618A (en) * | 2018-04-28 | 2018-11-20 | 西北工业大学 | A kind of plenum member |
| CN109026829A (en) * | 2018-10-24 | 2018-12-18 | 珠海格力电器股份有限公司 | Centrifugal fan blade, centrifugal fan and air conditioner |
| CN110319039A (en) * | 2019-06-24 | 2019-10-11 | 广东顺威精密塑料股份有限公司 | A kind of centrifugal fan of uniform air inlet |
| WO2020108655A1 (en) * | 2018-11-29 | 2020-06-04 | 曾固 | Fluid centrifugal cross-flow action structural body |
| CN114673684A (en) * | 2021-12-07 | 2022-06-28 | 青岛海尔空调器有限总公司 | Centrifugal fan and air conditioner |
| CN114941636A (en) * | 2022-06-28 | 2022-08-26 | 华中科技大学 | Preposed supercharging multi-wing centrifugal impeller and centrifugal fan |
| CN114962302A (en) * | 2022-06-17 | 2022-08-30 | 浙江科力风机有限公司 | Energy-saving environment-friendly centrifugal fan |
| CN115492792A (en) * | 2021-06-18 | 2022-12-20 | 广州华凌制冷设备有限公司 | Centrifugal wind wheel, centrifugal fan and air conditioner |
| WO2024139473A1 (en) * | 2022-12-25 | 2024-07-04 | 峰飞航空科技(昆山)有限公司 | Motor and centrifugal fan therefor |
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| US3515498A (en) * | 1967-10-28 | 1970-06-02 | Asahi Dengyo Kk | Blower |
| GB2080879B (en) * | 1980-07-28 | 1984-12-05 | Gebhardt Gmbh Wilhelm | Flow guides for centrifugal fans |
| US4917572A (en) * | 1988-05-23 | 1990-04-17 | Airflow Research And Manufacturing Corporation | Centrifugal blower with axial clearance |
| US4900228A (en) * | 1989-02-14 | 1990-02-13 | Airflow Research And Manufacturing Corporation | Centrifugal fan with variably cambered blades |
| DE3942083A1 (en) * | 1989-12-20 | 1991-06-27 | Licentia Gmbh | Hand-held power tool with enhanced motor cooling - has radial and axial fans juxtaposed and keyed to motor armature shaft in space immediately ahead of downstream stator winding heads |
| CN2356177Y (en) * | 1998-10-19 | 1999-12-29 | 台达电子工业股份有限公司 | Fan blade |
| EP1475474A1 (en) * | 2003-05-09 | 2004-11-10 | Electrolux Home Products Corporation N.V. | Household clothes drying machine with improved fan arrangement |
| CN101384766A (en) * | 2006-02-15 | 2009-03-11 | 伊莱克斯家用产品股份有限公司 | Domestic clothes drier with twin fan |
| CN102720693A (en) * | 2012-05-29 | 2012-10-10 | 苏州市太湖风机制造有限公司 | Double-blade impeller |
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| CN109026829A (en) * | 2018-10-24 | 2018-12-18 | 珠海格力电器股份有限公司 | Centrifugal fan blade, centrifugal fan and air conditioner |
| WO2020108655A1 (en) * | 2018-11-29 | 2020-06-04 | 曾固 | Fluid centrifugal cross-flow action structural body |
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| CN114673684A (en) * | 2021-12-07 | 2022-06-28 | 青岛海尔空调器有限总公司 | Centrifugal fan and air conditioner |
| CN114962302A (en) * | 2022-06-17 | 2022-08-30 | 浙江科力风机有限公司 | Energy-saving environment-friendly centrifugal fan |
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