CN110500316A - Fan impeller - Google Patents
Fan impeller Download PDFInfo
- Publication number
- CN110500316A CN110500316A CN201910067348.5A CN201910067348A CN110500316A CN 110500316 A CN110500316 A CN 110500316A CN 201910067348 A CN201910067348 A CN 201910067348A CN 110500316 A CN110500316 A CN 110500316A
- Authority
- CN
- China
- Prior art keywords
- blade
- embeded slot
- impeller
- vanes
- blade part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
- F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/12—Kind or type gaseous, i.e. compressible
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The purpose of the present invention is to provide a kind of impellers in the service life of mold for forming for improving fan impeller.The impeller of multiple blade parts is formed with the cylindrical shape of random spacing on disc-shaped part, in the blade part of its component, the width of reference vanes as benchmark narrows, in the opposite face in the side for the blade part for forming above-mentioned disc-shaped part, form the embeded slot for being used to be fitted into blade part front end of quantity identical as above-mentioned blade part, in above-mentioned embeded slot, the embeded slot of chimeric said reference blade, has the length of same size with reference vanes, so that other blades be prevented to be inserted into.
Description
Technical field
The present invention relates to for the impeller in fans such as cross flow fan (cross flow fan).
Background technique
Cross flow fan impeller has the multiple blade (blade parts for being separated by certain gap setting around same axis
Part), by pivoting about with the rotary shaft, laminar winds undisturbedly are supplied to wider range.To be used in air-conditioning
The various devices such as supply air system (or air section).
The blade part of fan impeller be on disc-shaped part, by blade part equidistantly the setting of cylindrical shape and
The component (calling " component " in the following text) being integrally formed is manufactured by connections such as multiple ultrasonic bonding.But in order to when reducing operation
Noise, using by the non-component being equidistantly randomly provided of blade part.At this point, having blade part in the unformed of disc-shaped part
Opposite side, to connect the embeded slot that other component has identical quantity.The embeded slot is with the identical spacing of blade part
It is formed.
In the following, in conjunction with Fig. 8 to Fig. 9 to the prior art and there are the problem of be illustrated.Fig. 8 is the component of the prior art
The explanatory diagram of reference vanes, and Fig. 9 is the explanation of the part of the molding reference vanes of the mold for forming of the component of the prior art
Figure.
In component each by ultrasonic bonding connection, the two is without accurate connection.Therefore, (wrong to prevent mistake from assembling
Accidentally weld), have notch K in the front end of reference vanes 499.The length of the embeded slot 899 of chimeric reference vanes 499 is notch
The length of front end portion.To those skilled in the art, to reduce noise, blade part is being arranged with random interval
When, having notch in reference vanes front end is usual technological means.
When blade part 49,499 being arranged with random interval in this way, to prevent wrong assembling, it is necessary to identify benchmark leaf
The position of piece 499.Therefore, when the front end of reference vanes 499 has notch K, to form notch K, mold needs to have prominent
Play portion T.If forming multiple components, it is used to form on the protrusion T of notch K and forms burr B (attachment), gradually wear out mould
Tool forms striped L etc. on the surface of blade part 499.To realize that the lightweight of impeller reduces the average thickness of blade part, then
Such phenomenon will become more serious.If needing to repair mold there is a phenomenon where such in reference vanes.
Summary of the invention
A kind of molding for having and improving fan impeller is provided it is an object of the invention to overcome the deficiencies in the prior art
With the fan impeller of the reference vanes shape in the service life of mold.
Problem solution
In order to achieve the above objectives, the fan impeller of first invention, has following feature.
A kind of fan impeller, on disc-shaped part with the cylindrical shape of random spacing forms multiple blades and formation group
Part, and the above-mentioned disc-shaped part that the blade part of said modules is incorporated into another component is formed;
In the blade part of said modules, the width of the reference vanes as benchmark is narrower than other blade parts;
In the opposite face in the side for the blade part for forming above-mentioned disc-shaped part, formed identical as above-mentioned blade part
The embeded slot for being used to be fitted into blade part front end of quantity;
In above-mentioned embeded slot, the embeded slot for being fitted into said reference blade is in shape identical with the section of reference vanes,
Other blade parts are prevented to be inserted into.
The fan impeller of first invention, the reference vanes of component are the linear smaller than other blade part width
Shape.In the prior art, have notch in the front end of reference vanes, and also have in molding die corresponding with notch section
Protrusion.If multiple molding assembly, in the edge part of the protrusion, attachment attachment forms burr state.The burr becomes
The surface of reference vanes generates the reason of scratch of shape of stripes.If the scratch becomes obviously, to the performance of fan impeller
It impacts.The fan of first invention is able to solve the above problem with impeller.
The fan impeller of second invention has following feature on the basis of first invention.
The width of said reference blade, by by the position of the end of the rotary shaft side of fan impeller to fan leaf
The periphery side movement of wheel makes width narrow.
According to the second invention, the width of reference vanes passes through because the position of the periphery side of fan impeller remains unchanged
The position for changing rotary shaft side makes width narrow, thus in the premise for the wind pushing performance (air quantity) for not reducing fan impeller
Under, realize the effect of first invention.
The fan impeller of third invention has following feature on the basis of first invention.
The width of said reference blade, by the way that the position of the end of the rotary shaft side of impeller is mobile to rotary shaft side
Width is set to broaden.
It is invented according to third, it can be achieved that first invention and the second The effect of invention.
The fan impeller of 4th invention has as follows on the basis of any invention that first invention to third is invented
Feature.
Said reference blade keeps its width identical as the blade part other than reference vanes, makes the blade part in its section
The periphery side of impeller and/or the thickness of rotary shaft side are thicker than the blade part other than reference vanes;
The embeded slot of chimeric said reference blade is in shape identical with the section of reference vanes, prevents other blade parts
Insertion.
According to the 4th invention, it can be achieved that first invention is to third The effect of invention.
The fan impeller of 5th invention has as follows on the basis of any invention of first invention to the 4th invention
Feature.
Said reference blade keeps its width identical as the blade part other than reference vanes, makes the blade part in its section
The periphery side of impeller and/or the thickness of rotary shaft side are thinner than the blade part other than reference vanes;
The embeded slot of chimeric said reference blade is in shape identical with the section of reference vanes, prevents other blade parts
Insertion.
According to the 5th invention, it can be achieved that first invention is to third The effect of invention.
The fan impeller of 6th invention has as follows on the basis of any invention of first invention to the 5th invention
Feature.
Has distinguishing mark in the two sides of the embeded slot of chimeric said reference blade.
According to the fan impeller of the 6th invention, because the two sides of the embeded slot in chimeric reference vanes have distinguishing mark,
To easily identify the embeded slot for needing chimeric reference vanes.Therefore, the operation for organizing arrangement becomes easy, to improve fan
With impeller volume manufacture efficiency.
Detailed description of the invention
Fig. 1 is the explanatory diagram of fan impeller of the invention;
Fig. 2 (a)~Fig. 2 (c) is the explanatory diagram of the component of fan impeller of the invention;
Fig. 3 is the explanatory diagram of the embeded slot of the reference vanes of the embodiment of the present invention 1;
Fig. 4 is the explanatory diagram of the embeded slot of the reference vanes of the embodiment of the present invention 2;
Fig. 5 is the explanatory diagram of the embeded slot of the reference vanes of the embodiment of the present invention 3;
Fig. 6 is the explanatory diagram of the embeded slot of the reference vanes of the embodiment of the present invention 4;
Fig. 7 be the embodiment of the present invention have in reference vanes distinguishing mark explanatory diagram;
Fig. 8 is the explanatory diagram of the reference vanes of the component of the prior art;
Fig. 9 is the explanatory diagram of the part of the molding reference vanes of the mold for forming of the component of the prior art.
Drawing reference numeral explanation
1: impeller
2: the component of impeller
3: disc-shaped part
4: blade part (blade)
41: blade part (embodiment 1)
42: blade part (embodiment 2)
43: blade part (embodiment 3)
44: blade part (embodiment 4)
411: reference vanes (embodiment 1)
421: reference vanes (embodiment 2)
431: reference vanes (embodiment 3)
441: reference vanes (embodiment 4)
5: end plate (propeller boss side discs shape fixed disk)
6: axle portion
7: shaft hub
8: embeded slot
81: embeded slot (embodiment 1)
82: embeded slot (embodiment 2)
83: embeded slot (embodiment 3)
84: embeded slot (embodiment 4)
811: reference vanes are with embeded slot (embodiment 1)
821: reference vanes are with embeded slot (embodiment 2)
831: reference vanes are with embeded slot (embodiment 3)
841: reference vanes are with embeded slot (embodiment 4)
C: empty (reference vanes forming part)
K: notch
L: striped
M: mold
S: distinguishing mark
T: mold tabs portion
B: burr (burr)
Specific embodiment
In the following, embodiments of the present invention are described with reference to the accompanying drawings.In addition, in the explanation of this embodiment, " impeller "
Refer to " fan impeller ".
Fig. 1 is the explanatory diagram of fan impeller of the invention;Fig. 2 (a)~Fig. 2 (c) is fan impeller of the invention
The explanatory diagram of component;Fig. 3 is the explanatory diagram of the embeded slot of the reference vanes of the embodiment of the present invention 1;Fig. 4 is implementation of the invention
The explanatory diagram of the embeded slot of the reference vanes of example 2;Fig. 5 is the explanatory diagram of the embeded slot of the reference vanes of the embodiment of the present invention 3;
Fig. 6 is the explanatory diagram of the embeded slot of the reference vanes of the embodiment of the present invention 4;Fig. 7 has for the embodiment of the present invention in base
The explanatory diagram of the distinguishing mark of quasi- blade.
<embodiment>
<1>blade wheel structure of the invention
As shown in Figure 1, component 2, end plate of the impeller 1 of embodiment 1 as multiple impellers as shown in Fig. 2 (a)~Fig. 2 (c)
(propeller boss side discs shape fixed disk) 5, axle portion 6 and shaft hub 7 are constituted.Axle portion 6 is installed on the component 2 of the end of the side of impeller 1
Disc-shaped part 3 on.End plate (propeller boss side discs shape fixed disk) 5 is installed on the leaf of the component of the end of the propeller boss side of impeller 1
4 side of piece.Shaft hub 7 is set on end plate 5.
<2>structure of blade part (component 2)
As shown in Fig. 2 (a)~Fig. 2 (c), the component 2 of impeller 1 is made of disc-shaped part 3 and blade part 4.Material can
Select the synthetic resin such as AS resin, ABS resin, PS resin and PP resin.The resin recorded herein is an example, as long as logical
The synthetic resin being often used can assign the synthetic resin of certain intensity to molded product.In addition, end plate 5 can also be by phase
Same material molding.In addition, component 2, end plate 5 and axle portion side discs shape fixed disk 3 respectively by extrusion molding, punching press or extrusion etc. at
Type.The combination of each component 2 can be engaged by bonding methods such as ultrasonic bondings.
To reduce noise, the blade part of component 2 is not used equidistantly, and is set to disc-shaped part 3 with random spacing
On.In addition, for by connection components such as ultrasonic bonding, in the opposite of the side for the blade part for forming disc-shaped part 3
Side forms the embeded slot 8 for being used to be fitted into blade part front end of quantity identical as blade part.Because blade part is with random spacing
Setting, embeded slot can also spacing settings identical with blade part.Although blade part is configured with random spacing, but if its
Spacing difference is too small, then because blade part is to realize that its average thickness of lightweight is 0.6mm or so, it is possible to which deformation is chimeric.If
There is such situation, then because blade part is not located at correct position, when carrying out ultrasonic bonding, blade will occurs and break
The problems such as damaging, influencing the noise properties of fan.Therefore, it is correct assembling blade part, has reference vanes.The reality of reference vanes
Applying example will be described in detail in content below, it is desirable to by reference vanes (Fig. 3 to the 411 to 441 of Fig. 7) and change it
The shape of his blade part prevents wrong assembling.Therefore, embeded slot is also the embeded slot (Fig. 3 that need to only change chimeric reference vanes
To the 811 to 841 of Fig. 7), it is other same.
In addition, in the prior art, in order to be distinguished with other blade parts, and having in the front end of blade part scarce
Mouthful.But the service life of molding die can be reduced because the front end in reference vanes has notch, therefore, in the present invention, benchmark leaf
The front end of piece has rectilinear form rather than the notch of identification.
<3>specific embodiment
In the following, the method for preventing mistake from assembling by reference vanes to the present embodiment is illustrated, but it is not limited to down
State embodiment.
<3-1>embodiment 1
Fig. 3 is the explanatory diagram of the reference vanes of embodiment 1 and the shape of embeded slot.As shown, reference vanes 411 compared with
Other blade parts 41 only make its width (length) narrow.In addition, being fitted into the shape and base of the embeded slot 811 into quasi- blade 411
The shape in the section of quasi- blade 411 is identical.Thus prevent wrong assembling.The width of reference vanes 411, with other multiple blades
41 one side position of periphery is identical, so that it is narrowed the outside Monday side movement of one side position of rotary shaft of impeller 1.Therefore, even if
So that the width (length) of reference vanes is narrowed, the wind pushing performance (air quantity) of fan will not be reduced.
The width (length) of reference vanes 411 in the present embodiment, although narrower than other blade parts 41, if making its width
Degree becomes too narrow, then the intensity of reference vanes 411 can be reduced, thus undesirable.Therefore, as shown in fig. 7, for identification and benchmark leaf
The chimeric embeded slot 811 of piece 411, has the recess S etc. of identification in the two sides of its embeded slot 811.To easily identify chimeric base
The position of the embeded slot 811 of quasi- blade 411 has the recess S etc. of identification, in the operation process of group arrangement, be easy with
Other embeded slots 81 are distinguished, to realize the effect for improving the manufacture efficiency of impeller 1.
<3-2>embodiment 2
Fig. 4 is the explanatory diagram of the reference vanes of embodiment 2 and the shape of embeded slot.As shown, reference vanes 421 compared with
Other blade parts 42 only make its width (length) elongated to rotary shaft side.In addition, the embeded slot of chimeric reference vanes 421
821 have shape identical with the section of reference vanes, to prevent wrong assembling.At this point, the section thickness of reference vanes 421,
It can be as shown in figure 4, rotary shaft side be made to thicken or identical as other blade parts 42.In addition, in the present embodiment, for will be with base
Quasi- blade 421 carries out chimeric embeded slot 821 and is distinguished with other embeded slots 82, has identification in the two sides of its embeded slot and uses
Recess S etc. be advisable.
<3-3>embodiment 3
Fig. 5 is the explanatory diagram of the reference vanes of embodiment 3 and the shape of embeded slot.As shown, the width of reference vanes 431
It is identical as other blade parts 43 to spend (length), and in terms of its cross sectional shape, so that the rotary shaft side thickness of impeller 1 is thickend.Separately
Outside, the embeded slot 831 for being fitted into reference vanes 431 has shape identical with the section of reference vanes.Thus prevent benchmark leaf
Piece 431 is embedded in the mistake assembling of the embeded slot 83 of other blade parts 43.The present embodiment can make the section of reference vanes 431
The thickness of periphery side of impeller 1 thicken, or the periphery side of impeller 1 and the thickness of both rotary shaft sides is made all to thicken.
In addition, in the present embodiment, carrying out chimeric embeded slot 831 with reference vanes 431 for identification, having in the two sides of its embeded slot
The recess S etc. of identification is advisable.
<3-4>embodiment 4
Fig. 6 is the explanatory diagram of the reference vanes 441 of embodiment 4 and the shape of embeded slot 84.As shown, reference vanes
441 width (length) is identical as other blade parts 4, and in terms of its cross sectional shape, keep periphery side and rotary shaft side thick
It spends thinning.In addition, the thickness in the section of reference vanes can be thinning for any of the periphery side of impeller and rotary shaft side.
The embeded slot 841 of chimeric reference vanes 441 has shape identical with reference vanes.Thus prevent reference vanes 441 chimeric
In the mistake assembling of the embeded slot 84 of other blade parts 4.In addition, in the present embodiment, being carried out for identification and reference vanes 441
Chimeric embeded slot 841 is advisable in the recess S etc. that the two sides of its embeded slot have identification.
Claims (8)
1. a kind of fan impeller, on disc-shaped part with the cylindrical shape of random spacing forms multiple blades and formation group
Part, and the above-mentioned disc-shaped part that the blade part of said modules is incorporated into another component is formed, it is characterised in that:
In the blade part of said modules, the width of the reference vanes as benchmark is narrower than other blade parts;
In the opposite face in the side for the blade part for forming above-mentioned disc-shaped part, quantity identical as above-mentioned blade part is formed
For being fitted into the embeded slot of blade part front end;
In above-mentioned embeded slot, the embeded slot for being fitted into said reference blade is in shape identical with the section of reference vanes, is prevented
The insertion of other blade parts.
2. fan impeller according to claim 1, it is characterised in that:
The width of said reference blade, by the way that the position of the end of the rotary shaft side of impeller is mobile to the periphery side of impeller
Width is set to narrow.
3. fan impeller according to claim 1, it is characterised in that:
The width of said reference blade passes through one sidesway of rotary shaft by the position of the end of the rotary shaft side of impeller to impeller
It is dynamic that width is made to broaden.
4. according to claim 1 to 3 described in any item fan impellers, it is characterised in that:
Said reference blade keeps its width identical as the blade part other than reference vanes, makes the impeller of the blade part in its section
Periphery side and/or rotary shaft side thickness it is thicker than the blade part other than reference vanes;
The embeded slot of chimeric said reference blade is in shape identical with the section of reference vanes, prevents other blade parts from inserting
Enter.
5. fan impeller according to claim 1 or 2, it is characterised in that:
Said reference blade keeps its width identical as the blade part other than reference vanes, makes the impeller of the blade part in its section
Periphery side and/or rotary shaft side thickness it is thinner than the blade part other than reference vanes;
The embeded slot of chimeric said reference blade is in shape identical with the section of reference vanes, prevents other blade parts from inserting
Enter.
6. according to claim 1 to 3 described in any item fan impellers, it is characterised in that:
Has distinguishing mark in the two sides of the embeded slot of chimeric said reference blade.
7. fan impeller according to claim 4, it is characterised in that: the two of the embeded slot of chimeric said reference blade
Side has distinguishing mark.
8. fan impeller according to claim 5, it is characterised in that: the two of the embeded slot of chimeric said reference blade
Side has distinguishing mark.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018-094266 | 2018-05-16 | ||
JP2018094266A JP7084777B2 (en) | 2018-05-16 | 2018-05-16 | Blower impeller |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110500316A true CN110500316A (en) | 2019-11-26 |
CN110500316B CN110500316B (en) | 2022-07-26 |
Family
ID=68585227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910067348.5A Active CN110500316B (en) | 2018-05-16 | 2019-01-24 | Impeller for fan |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP7084777B2 (en) |
KR (1) | KR20190131410A (en) |
CN (1) | CN110500316B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54712U (en) * | 1977-06-06 | 1979-01-06 | ||
JP2006170043A (en) * | 2004-12-15 | 2006-06-29 | Matsushita Electric Ind Co Ltd | Cross flow fan |
CN2837569Y (en) * | 2005-04-25 | 2006-11-15 | 海尔集团公司 | Cross flow fan for air conditioner indoor unit |
CN201354742Y (en) * | 2009-02-23 | 2009-12-02 | 中山市朗迪电器有限公司 | Median segment of cross-flow fan blade |
JP2011190749A (en) * | 2010-03-15 | 2011-09-29 | Sharp Corp | Fan, molding die and fluid feeding device |
JP2013079617A (en) * | 2011-10-05 | 2013-05-02 | Hitachi Appliances Inc | Air conditioner |
CN105745451A (en) * | 2014-10-30 | 2016-07-06 | 京瓷办公信息系统株式会社 | Cross flow fan, electric product provided with cross flow fan, and impeller used in cross flow fan |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3107711B2 (en) * | 1994-08-09 | 2000-11-13 | 株式会社東芝 | Cross flow fan |
-
2018
- 2018-05-16 JP JP2018094266A patent/JP7084777B2/en active Active
-
2019
- 2019-01-24 CN CN201910067348.5A patent/CN110500316B/en active Active
- 2019-02-11 KR KR1020190015719A patent/KR20190131410A/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54712U (en) * | 1977-06-06 | 1979-01-06 | ||
JP2006170043A (en) * | 2004-12-15 | 2006-06-29 | Matsushita Electric Ind Co Ltd | Cross flow fan |
CN2837569Y (en) * | 2005-04-25 | 2006-11-15 | 海尔集团公司 | Cross flow fan for air conditioner indoor unit |
CN201354742Y (en) * | 2009-02-23 | 2009-12-02 | 中山市朗迪电器有限公司 | Median segment of cross-flow fan blade |
JP2011190749A (en) * | 2010-03-15 | 2011-09-29 | Sharp Corp | Fan, molding die and fluid feeding device |
JP2013079617A (en) * | 2011-10-05 | 2013-05-02 | Hitachi Appliances Inc | Air conditioner |
CN105745451A (en) * | 2014-10-30 | 2016-07-06 | 京瓷办公信息系统株式会社 | Cross flow fan, electric product provided with cross flow fan, and impeller used in cross flow fan |
Also Published As
Publication number | Publication date |
---|---|
JP7084777B2 (en) | 2022-06-15 |
CN110500316B (en) | 2022-07-26 |
JP2019199830A (en) | 2019-11-21 |
KR20190131410A (en) | 2019-11-26 |
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