CN205190324U - Impeller and centrifugal blower for centrifugal blower - Google Patents
Impeller and centrifugal blower for centrifugal blower Download PDFInfo
- Publication number
- CN205190324U CN205190324U CN201520906591.9U CN201520906591U CN205190324U CN 205190324 U CN205190324 U CN 205190324U CN 201520906591 U CN201520906591 U CN 201520906591U CN 205190324 U CN205190324 U CN 205190324U
- Authority
- CN
- China
- Prior art keywords
- centrifugal blower
- mainboard
- impeller
- shackle
- blower impeller
- 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.)
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Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- 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
- F04D29/662—Balancing of rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
Abstract
The utility model provides an impeller and centrifugal blower for centrifugal blower to can just carry out to the short time rotary balance's of impeller for the centrifugal blower adjustment easily. Centrifugal blower impeller (3) possess: mainboard (31), a plurality of blades (32), its axial one side combines together with mainboard (31), and hitch ring (33), its axial opposite side that joins a plurality of blades 32, be formed with all grooves (314) that are used for installing balancing weight (W) in whole all scopes of the face of axial one side of the peripheral part of mainboard (31), be formed with all grooves (334) that are used for installing balancing weight (W) in whole all scopes of hitch ring (33), at the face of the axial opposite side of mainboard (31) and be formed with annular protrusion (315) with the corresponding part in all grooves (314).
Description
Technical field
The utility model relates to centrifugal blower impeller and centrifugal blower, particularly relates to the centrifugal blower impeller and the centrifugal blower that have and utilize shackle to link blade structure each other.
Background technique
Centrifugal blower is widely used in home appliance, business automation equipment, the cooling of industry equipment, ventilation, air-conditioning and vehicle blower etc.This centrifugal blower possesses following impeller, and this impeller is fixed with the discoid mainboard of live axle one side in axle center is fixed with multiple bending blade.And in patent documentation 1 grade, be known to the impeller being fixed with the form of the shackle linking each blade at the front end of the outer circumferential side of blade.
But, be provided with the unbalanced unit of rotation suppressing to produce at impeller at this type of blower, in patent documentation 1, describe the purport (0105 section) that can be obtained the spin balancing of impeller by the thinning part being arranged at shackle.The spin balancing adjustment of impeller is generally adopted with the following method, that is: produce the axisymmetric position rotating unbalanced position in the circumferential and the unbalanced counterweight of counteracting rotation is installed, in patent documentation 2, describe the turboblower with following structure, that is: the counterweight of clip like is installed in the bell-mouthed outer periphery sandwiched being equivalent to above-mentioned shackle.
Patent documentation 1: Japanese Unexamined Patent Publication 2014-088787 publication
Patent documentation 1: Japanese Unexamined Patent Publication 11-210690 publication
In the regulation unit of the spin balancing of above-mentioned existing blower, from whether can easily and the angle of carrying out the adjustment of spin balancing in short time consider, have problems in production.
Model utility content
The utility model produces in view of the foregoing, and its main purpose is to provide can easily and carry out the adjustment of spin balancing in short time, and the centrifugal blower impeller of production excellence and employ the centrifugal blower of such impeller.
Centrifugal blower impeller of the present utility model possesses: mainboard; Multiple blade, its axial side combines with described mainboard; And shackle, the axial opposite side of described multiple blade links by it, the feature of this centrifugal blower impeller is, the complete cycle scope in the face of the axial side of the peripheral part of described mainboard is formed first week groove for installing counterweight, the complete cycle scope of described shackle is formed with the second week groove for installing counterweight, in the face of the axial opposite side of described mainboard and the part corresponding with described first week groove is formed with the ridge (technological scheme 1) of ring-type.
According to impeller of the present utility model, counterweight can be installed adjust spin balancing by adding at first week groove of mainboard and the second week groove both sides of shackle.First week groove of mainboard is formed at the peripheral part of mainboard, therefore with install the situation of counterweight in inner circumferential side compared with, just effectively can realize the adjustment to spin balancing with a small amount of counterweight.In addition, within first week, groove is formed at the face of the axial side of the peripheral part of mainboard, and second week groove is formed at the shackle of the axial opposite side linking blade, both to axially outside is unlimited, is therefore convenient to the operation of implementing to install counterweight.Consequent as a result, impeller of the present utility model easily and carry out the adjustment of spin balancing in short time, and can have excellent production.In addition, because part corresponding with first week groove on mainboard is formed with the ridge of ring-type, so the wall thickness of this part can not be thinning, thus intensity is guaranteed.
The utility model comprises described mainboard and has the hub portion to the outstanding cup-shaped of axial opposite side and the mode (technological scheme 2) being fixed with axle in this hub portion.
In addition, the utility model to comprise outside radial direction that described shackle is configured at described multiple blade and the mode (technological scheme 3) linked in the face outside the radial direction of described multiple blade.In this approach, by outside the radial direction that shackle is configured at multiple blade, the amount of the counterweight of installing at the second week groove being formed at this shackle can be reduced.The utility model comprises the mode (technological scheme 4) that this second week groove is formed at the face of the axial opposite side of described shackle.In addition, the utility model also comprises the mode (technological scheme 5) outside radial direction that this second week groove is formed at described multiple blade.
In addition, the utility model at least one party comprised in described first week groove of described mainboard and the described second week groove of described shackle has the wall portion of inner circumferential side and outer circumferential side, the wall portion of this inner circumferential side is being set to α relative to the angle of inclination of radial direction, when the wall portion of this outer circumferential side is set to β relative to the angle of inclination of radial direction, angle [alpha] is less than the mode (technological scheme 6) of angle beta.In all grooves of this kind of mode, the width of this week groove increases, therefore when counterweight is for having plastic argillaceous thing, be convenient to implement to make this counterweight be attached to the wall portion of the outer circumferential side of this week groove to imbed the operation of this counterweight with scraper etc., and by centrifugal force, counterweight is pressed on the wall portion of outer circumferential side, therefore counterweight situation about peeling off from this week groove is suppressed.
In addition, the internal diameter size that the utility model comprises described shackle is greater than the mode (technological scheme 7) of the outside dimension of described mainboard.In this approach, the counterweight of all grooves being installed on shackle can be installed on outer peripheral side, contribute to the small amount of counterweight.
In addition, the utility model comprises the mode of wall thickness dimension below the wall thickness dimension of this mainboard (technological scheme 8) of the described ridge of described mainboard.In this mode, can while guaranteeing intensity by ridge, ridge be suppressed too much to be given prominence to.
Next, the feature of centrifugal blower of the present utility model is the impeller (technological scheme 9) that possesses according to any one of technological scheme 1 ~ 8.
According to the utility model, play that provide can easily and carry out the adjustment of spin balancing in short time and the centrifugal blower impeller of production excellence and employ the effect of centrifugal blower of this kind of impeller.
Accompanying drawing explanation
Fig. 1 is the longitudinal section of the centrifugal blower involved by a mode of execution of the present utility model.
Fig. 2 is the plan view of the impeller possessing this centrifugal blower.
Fig. 3 is the upside stereogram of this impeller.
Fig. 4 is the underside perspective view of this impeller.
Fig. 5 is the sectional view of all grooves representing mainboard.
Fig. 6 is the sectional view of all grooves representing shackle.
Description of reference numerals:
1 ... centrifugal blower; 3 ... impeller; 31 ... mainboard; 31t ... the wall thickness dimension of mainboard; 311 ... hub portion; 314 ... all grooves (first week groove) of mainboard; 315 ... ridge; 315t ... the wall thickness dimension of ridge; 32 ... blade; 33 ... shackle; 334 ... all grooves (second week groove) of shackle; 34 ... axle; W ... counterweight.
Embodiment
With reference to the accompanying drawings a mode of execution of the present utility model is described.
[1] basic structure of centrifugal blower
Fig. 1 is the longitudinal section of the centrifugal blower 1 of the impeller 3 possessed involved by a mode of execution, and Fig. 2 is the plan view of impeller 3, and Fig. 3 is the upside stereogram of impeller 3, Fig. 4 is underside perspective view.The motor 4 that this centrifugal blower 1 possesses plate-shaped base 2, impeller 3 and impeller 3 is rotated.
Pedestal 2 is horizontally disposed with, and impeller 3 supports as rotating via bearing 23 by this pedestal 2.Impeller 3 has: the discoid mainboard 31 of arranging parallel with pedestal 2, be formed at multiple blades 32 of the upper surface of mainboard 31 and be configured at the shackle 33 of periphery of multiple blade 32.For impeller 3, mainboard 31, multiple blade 32, shackle 33 such as pass through the one-body molded manufactured of synthetic resin.
As shown in Figure 1, the upper surface of impeller 3 is fluid intake 301, and lateral circle surface is fluid discharge outlet 302, and impeller 3 is rotated by the arrow R direction of motor 4 to Fig. 2.If impeller 3 rotates, then suck air (fluid) from fluid intake 301, and this air is discharged from fluid discharge outlet 302.Air is discharged by the direction of axle 34 away from the center being fixed on impeller 3.
As shown in Figure 1, the hub portion 311 of the cup-shaped with cylindrical part 312 and cap 313 is formed at the central part of mainboard 31.Hub portion 311 is given prominence to upward from the par of the mainboard 31 of surrounding, is accommodated with motor 4 in inside.The upper end portion of the axle 34 that through motor 4 extends in the vertical direction is fixed with at the center of the cap 313 of hub portion 311.Axle 34 is such as molding by insert and is fixed as with hub portion 311 coaxial.Be formed with protruding 21 at the center of said base 2, erect in this projection 21 and arrange and be fixed with the sleeve 22 extended in the vertical direction.Further, via upper and lower pair of bearings 23, supporting axle 34 is supported as rotating in this sleeve 22.Bearing 23 is not limited to rolling bearing, can also use the sliding bearings such as oil-impregnated bearing.
As shown in Figure 2, each blade 32 is bent to form along sense of rotation from outer circumferential side towards inner circumferential side, overall in swirl shape, between the end and the cylindrical part 312 of hub portion 311 of inner circumferential side, have gap in vain.Blade 32 is circumferentially equally spaced projecting on mainboard 31, is formed as height higher than hub portion 311.Each blade 32 is connected to each other by shackle 33.Sometimes the height of blade 32 is set lower than hub portion 311.
Shackle 33 by the end of the outer circumferential side of each blade 32 and its upper end portion connect, and be formed as ring-type with the state of giving prominence to outer peripheral side from each blade 32.As shown in Figure 1, shackle 33 is connected with each blade 32 via joint 331, and its internal diameter size is set to identical with the outside dimension of mainboard 31 or is greater than the outside dimension of mainboard 31.By the outside dimension of the internal diameter size of shackle 33 and mainboard 31 being set for this kind of relation, the metal pattern being used for shaping impeller 3 can be formed as drawer at movable side and fixed side to opening structure, consequently, cost degradation can be realized, and improve production.
As shown in Figure 1, the motor 4 that rotates of drives impeller 3 by be fixed on above-mentioned sleeve 22 outer circumferential face stator 41 and relative to stator 41 have in vain gap opposite be fixed on the inner peripheral surface of the cylindrical part 312 of above-mentioned hub portion 311 rotor magnet 42 form.Yoke 421 is fixed with at the outer circumferential side of rotor magnet 42.Stator 41 is made up of the stator iron core 411 radially extended to rotor magnet 42, the insulator 412 being installed on stator iron core 411 and the coil 413 that is wound in insulator 412.The circuit substrate 414 of the rotary actuation controlling impeller 3 is configured with in the downside of stator 41.
According to motor 4, there is electric current via foregoing circuit substrate 414 to coil 413 flowing.Control this electric current by utilizing the drive circuit of circuit substrate 414 and carry out energized stator iron core 411 successively.Thus, the impeller 3 being fixed with rotor magnet 42 rotates to arrow R direction in Fig. 2 centered by axle 34.If impeller 3 rotates, then produce following blasting action, that is: the blade 32 by rotating integrally sucks air from the fluid intake 301 of top, and is discharged by the fluid discharge outlet 302 of this air from side.
[2] regulation unit of spin balancing
Next the regulation unit of the spin balancing of above-mentioned impeller 3 is described.The complete cycle scope of the outer periphery of the lower face side (axial side) of the mainboard 31 of impeller 3 is formed as shown in Figure 5 all grooves (first week groove) 314 of opening downwards.On the other hand, the complete cycle scope of the upper surface side (axial opposite side) of shackle 33 is formed with as shown in Figure 6 all grooves (second week groove) 334 of opening upward.
As shown in Figure 5, the ridge 315 of the ring-type along all grooves 314 is formed in the upside (axial opposite side) of all grooves 314 of mainboard 31.The wall thickness dimension 315t of ridge 315 is set to identical with the wall thickness dimension 31t of mainboard 31 or thinner than the wall thickness dimension 31t of mainboard 31.
Impeller 3 according to the present embodiment, as shown in Figures 5 and 6, can add with all grooves 334 both sides of shackle 33 the counterweight W installing suitable weight by all grooves 314 at mainboard 31, adjust spin balancing.As counterweight W, have when being preferably used in installation plasticity and stickability, after mounting have solidify, the argillaceous thing such as the putty of characteristic that adheres to.In this situation, use the instruments such as scraper in all grooves 314,334, imbed appropriate putty, can not install from the open country of all grooves 314,334 thus.
In the present embodiment, the each all grooves 314,334 being provided with counterweight W are configured in the peripheral part of impeller 3, therefore, compared with counterweight being installed on the situation of inner circumferential side, the adjustment of the spin balancing to impeller 3 can just effectively be realized with a small amount of counterweight W.Further, because each all grooves 314,334 are configured at the peripheral part of impeller 3 and around open wide, institute is so that implement the operation of installation counterweight W.It is consequent as a result, easily and carry out the adjustment of the spin balancing to impeller 3 in short time, consequently, excellent production can be had.In addition, because part corresponding with all grooves 314 on mainboard 31 is formed with ridge 315, the wall thickness of this part can not be thinning, thus guarantee intensity.
In addition, be greater than the outside dimension of mainboard 31 by the internal diameter size of shackle 33, the counterweight W of all grooves 334 being installed on shackle 33 can be installed on outer peripheral side, so the further small amount of counterweight W can be realized.In addition, because the wall thickness dimension 315t of the ridge 315 being formed at the top of all grooves 314 of mainboard 31 to be formed as below the wall thickness dimension 31t of mainboard 31, so while guaranteeing intensity by ridge 315, the too much outstanding of ridge 315 can be suppressed.
In addition, in all grooves 314 of mainboard 31, as shown in Figure 5, for the wall portion 314a of inner circumferential side forming all grooves 314 and wall portion 314b of outer circumferential side, the wall portion 314a of inner circumferential side is being set to α relative to the angle of inclination of radial direction, and when the wall portion 314b of outer circumferential side is set to β relative to the angle of inclination of radial direction, angle beta is set to 90 ° (right angle) left and right, angle [alpha] is set to be less than 90 °, such as about 40 ~ 50 °.By setting like this, the width of all grooves 314 increases, and is convenient to the counterweight W as putty to imbed all grooves 314, and, the situation that balanced arrangement can be suppressed to peel off from all grooves 314 by centrifugal force.
In addition, the angle of inclination that all grooves 334 of shackle 33 also can be formed as the wall portion of outer circumferential side is equally greater than the wall portion of inner circumferential side.In addition, can also be following structure, that is: form pocket portion by arranging spacing wall in the circumferential at each all grooves 314,334, counterweight W is installed between spacing wall, thus suppress counterweight W to move to circumference.In addition, all grooves being formed at shackle 33 can also be formed at outside the radial direction of multiple blade 32.
Claims (10)
1. a centrifugal blower impeller, possesses:
Mainboard;
Multiple blade, its axial side combines with described mainboard; And
Shackle, the axial opposite side of described multiple blade links by it,
The feature of this centrifugal blower impeller is,
The complete cycle scope in the face of the axial side of the peripheral part of described mainboard is formed first week groove for installing counterweight,
The complete cycle scope of described shackle is formed the second week groove for installing counterweight,
In the face of the axial opposite side of described mainboard and the part corresponding with described first week groove is formed with the ridge of ring-type.
2. centrifugal blower impeller according to claim 1, is characterized in that,
Described mainboard has the hub portion to the outstanding cup-shaped of axial opposite side, is fixed with axle in this hub portion.
3. centrifugal blower impeller according to claim 1, is characterized in that,
Described shackle is configured at outside the radial direction of described multiple blade, is linked in the face outside the radial direction of described multiple blade.
4. centrifugal blower impeller according to claim 1, is characterized in that,
Described second week groove is formed at the face of the axial opposite side of described shackle.
5. centrifugal blower impeller according to claim 1, is characterized in that,
Described second week groove is formed at outside the radial direction of described multiple blade.
6. centrifugal blower impeller according to claim 1, is characterized in that,
The internal diameter size of described shackle is greater than the outside dimension of described mainboard.
7. centrifugal blower impeller according to claim 1, is characterized in that,
The wall thickness dimension of the described ridge of described mainboard is below the wall thickness dimension of this mainboard.
8. the centrifugal blower impeller according to any one of claim 1 ~ 7, is characterized in that,
At least one party in described first week groove of described mainboard and the described second week groove of described shackle has the wall portion of inner circumferential side and outer circumferential side, the wall portion of this inner circumferential side is being set to α relative to the angle of inclination of radial direction, when the wall portion of this outer circumferential side is set to β relative to the angle of inclination of radial direction, angle [alpha] is less than angle beta.
9. a centrifugal blower, is characterized in that,
Possesses the centrifugal blower impeller according to any one of claim 1 ~ 7.
10. a centrifugal blower, is characterized in that,
Possesses centrifugal blower impeller according to claim 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014233618A JP6180400B2 (en) | 2014-11-18 | 2014-11-18 | Centrifugal blower impeller and centrifugal blower |
| JP2014-233618 | 2014-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190324U true CN205190324U (en) | 2016-04-27 |
Family
ID=55783320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520906591.9U Active CN205190324U (en) | 2014-11-18 | 2015-11-13 | Impeller and centrifugal blower for centrifugal blower |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20160138614A1 (en) |
| JP (1) | JP6180400B2 (en) |
| CN (1) | CN205190324U (en) |
| DE (1) | DE102015119868B4 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958635A (en) * | 2017-12-26 | 2019-07-02 | 日本电产株式会社 | Centrifugal fan |
| CN110107514A (en) * | 2018-02-01 | 2019-08-09 | 佛山市建准电子有限公司 | Centrifugal fan and fan wheel thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018229081A1 (en) * | 2017-06-12 | 2018-12-20 | Valeo Systemes Thermiques | Motor vehicle fan |
| DE102018127555A1 (en) * | 2018-11-05 | 2020-05-07 | Elektrosil Gmbh | Rotor for a fan |
| CN111550436B (en) * | 2019-02-12 | 2022-08-12 | 日本电产株式会社 | Impeller and centrifugal fan with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5539302U (en) * | 1978-09-04 | 1980-03-13 | ||
| US4671739A (en) * | 1980-07-11 | 1987-06-09 | Robert W. Read | One piece molded fan |
| DE8806991U1 (en) | 1988-05-28 | 1988-08-11 | Noske-Kaeser Gmbh, 2000 Hamburg, De | |
| DE4136293B4 (en) | 1990-11-03 | 2004-08-26 | Papst Licensing Gmbh & Co. Kg | Impeller for a blower, especially a radial blower |
| JPH11210690A (en) | 1998-01-30 | 1999-08-03 | Daikin Ind Ltd | Turbo air blower |
| JP2001298925A (en) * | 2000-04-18 | 2001-10-26 | Canon Inc | Motor |
| US7305905B2 (en) * | 2004-01-09 | 2007-12-11 | The Bergquist Torrington Company | Rotatable member with an annular groove for dynamic balancing during rotation |
| JP4757819B2 (en) * | 2007-03-14 | 2011-08-24 | 日本電産サーボ株式会社 | Motor fan impeller |
| US8167562B2 (en) * | 2007-06-29 | 2012-05-01 | Denso Corporation | Centrifugal fan and blower having the same |
| JP2010025087A (en) * | 2008-07-24 | 2010-02-04 | Nippon Densan Corp | Axial fan |
| DE102008041858A1 (en) * | 2008-09-08 | 2010-03-11 | Robert Bosch Gmbh | Engine cooling fan with dynamic unbalance compensation |
| JP5634782B2 (en) * | 2009-08-11 | 2014-12-03 | 山洋電気株式会社 | Centrifugal fan |
| US9234524B2 (en) * | 2011-12-13 | 2016-01-12 | Minebea Co., Ltd. | Boundary layer controlled logarithmic spiral blade |
| JP6081142B2 (en) | 2012-10-29 | 2017-02-15 | ミネベアミツミ株式会社 | Centrifugal fan impeller and centrifugal fan |
| JP6082970B2 (en) | 2013-06-04 | 2017-02-22 | 美加子 清水 | Putt exercise tool |
-
2014
- 2014-11-18 JP JP2014233618A patent/JP6180400B2/en active Active
-
2015
- 2015-10-08 US US14/878,769 patent/US20160138614A1/en not_active Abandoned
- 2015-11-13 CN CN201520906591.9U patent/CN205190324U/en active Active
- 2015-11-17 DE DE102015119868.1A patent/DE102015119868B4/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958635A (en) * | 2017-12-26 | 2019-07-02 | 日本电产株式会社 | Centrifugal fan |
| CN109958635B (en) * | 2017-12-26 | 2022-06-24 | 日本电产株式会社 | Centrifugal fan |
| CN110107514A (en) * | 2018-02-01 | 2019-08-09 | 佛山市建准电子有限公司 | Centrifugal fan and fan wheel thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015119868B4 (en) | 2024-01-18 |
| US20160138614A1 (en) | 2016-05-19 |
| JP6180400B2 (en) | 2017-08-16 |
| DE102015119868A1 (en) | 2016-05-19 |
| JP2016098658A (en) | 2016-05-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |