US20120057966A1 - Fan and manufacturing method thereof - Google Patents

Fan and manufacturing method thereof Download PDF

Info

Publication number
US20120057966A1
US20120057966A1 US13/224,323 US201113224323A US2012057966A1 US 20120057966 A1 US20120057966 A1 US 20120057966A1 US 201113224323 A US201113224323 A US 201113224323A US 2012057966 A1 US2012057966 A1 US 2012057966A1
Authority
US
United States
Prior art keywords
metallic case
rotating shaft
top surface
fan
hub
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.)
Abandoned
Application number
US13/224,323
Other languages
English (en)
Inventor
Chiu-Kung Chen
Chun-Chih Wang
Bing-Feng Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delta Electronics Inc
Original Assignee
Delta Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45770860&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20120057966(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Delta Electronics Inc filed Critical Delta Electronics Inc
Publication of US20120057966A1 publication Critical patent/US20120057966A1/en
Assigned to DELTA ELECTRONICS, INC. reassignment DELTA ELECTRONICS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, CHIU-KUNG, WANG, BING-FENG, WANG, CHUN-CHIH
Priority to US15/983,607 priority Critical patent/US11022136B2/en
Priority to US17/230,711 priority patent/US11879475B2/en
Abandoned legal-status Critical Current

Links

Images

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
    • F04D29/26—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
    • 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
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • 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
    • 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
    • F04D25/062—Details of the bearings
    • 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
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329—Details of the hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/403—Casings; Connections of working fluid 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making

Definitions

  • the present invention relates to a fan, and more particularly to a slim-type fan.
  • the present invention also relates to a method of manufacturing such a fan.
  • FIG. 1A is a schematic perspective view illustrating an impeller of a conventional fan.
  • FIG. 1B is a schematic exploded view illustrating the impeller of FIG. 1A .
  • FIG. 1C is a schematic cross-sectional view illustrating the impeller of FIG. 1A . Please refer to FIGS.
  • the impeller 1 comprises a hub 10 , plural blades 11 , a metallic ring 12 and a rotating shaft 13 .
  • the blades 11 are disposed around the outer periphery of the hub 10 .
  • the blades 11 and the hub 10 are integrally formed by a plastic injection molding process.
  • the metallic ring 12 is disposed on the inner peripheral of the hub 10 .
  • the rotating shaft 13 is protruded from a center portion of the hub 10 .
  • the impeller 1 For manufacturing the impeller 1 , after the metallic ring 12 is placed within a plastic injection mold (not shown) and the rotating shaft 13 is inserted into the mold, the impeller 1 including the hub 10 , the blades 11 , the metallic ring 12 and the rotating shaft 13 is produced by the plastic injection molding process.
  • the thickness of the hub 10 should be greater than a minimum thickness.
  • a raised ring structure 101 is vertically formed on the center portion of the inner surface of the hub 10 and extended along the direction of the rotating shaft 13 .
  • the rotating shaft 13 is inserted into the raised ring structure 101 .
  • plural reinforcing ribs 102 are radially arranged around the raised ring structure 101 .
  • the rotating shaft 13 further has an embossed recess 131 corresponding to the raised ring structure 101 in order to further increase the adhesion between the rotating shaft 13 and the hub 10 .
  • the conventional impeller still has some drawbacks.
  • the thickness of the hub 10 should be greater than a minimum thickness and the raised ring structure 101 and the reinforcing ribs 102 of the hub 10 are necessary, the process of producing the mold for the impeller is difficult.
  • the overall height of the impeller is too high.
  • the rotating shaft 13 further has an embossed recess 131 to increase the adhesion between the rotating shaft 13 and the hub 10 , if a small-sized rotating shaft 13 is used to produce a slim impeller, it is difficult to produce the embossed recess 131 .
  • a fan in accordance with an aspect of the present invention, there is provided a fan.
  • the fan includes a motor base, a bearing, an impeller, a stator and a magnetic element.
  • the motor base has a bearing stand in a center portion thereof.
  • the bearing is accommodated within the bearing stand.
  • the impeller includes a metallic case, a hub, plural blades and a rotating shaft.
  • the metallic case has a top surface and a sidewall extended axially from an outer periphery of the top surface.
  • the hub is sheathed around the metallic case.
  • the blades are disposed around an outer periphery of the hub.
  • the rotating shaft is protruded from a center portion of the top surface and penetrated through the bearing stand.
  • stator is disposed around an outer periphery of the bearing stand.
  • the magnetic element is disposed on an inner wall of the metallic case and aligned with the stator.
  • the top surface of the metallic case has a thickness of 0.1 ⁇ 2.0 mm. No embossed recess is formed in the rotating shaft. The overall thickness of the fan is smaller than 10 mm.
  • a fan in accordance with another aspect of the present invention, there is provided a fan.
  • the fan includes a motor base, a bearing, an impeller, a stator and a magnetic element.
  • the motor base has a bearing stand in a center portion thereof.
  • the bearing is accommodated within the bearing stand.
  • the impeller includes a metallic case, plural blades and a rotating shaft.
  • the metallic case has a top surface and a sidewall extended axially from an outer periphery of the top surface.
  • the blades are disposed around an outer periphery of the metallic case.
  • the rotating shaft is protruded from a center portion of the top surface and penetrated through the bearing stand.
  • stator is disposed around an outer periphery of the bearing stand.
  • the magnetic element is disposed on an inner wall of the metallic case and aligned with the stator.
  • the blades are made of metallic material.
  • the blades are integrally formed with the metallic case.
  • a method for manufacturing a fan comprises steps of: providing a metallic case having a top surface and a sidewall extended downwardly from an outer periphery of the top surface; combining a rotating shaft with the metallic case by a laser welding process, so that the rotating shaft is protruded from a center portion of the top surface of the metallic case; placing a combination of the rotating shaft and the metallic case within a mold, and producing a hub and plural blades by a plastic injection molding process, wherein the hub is sheathed around the metallic case, and the blades are disposed around an outer periphery of the hub; providing a motor base having a bearing stand in a center portion thereof, and accommodating a bearing within the bearing stand, and disposing a stator around an outer periphery of the bearing stand; and disposing a magnetic element on an inner wall of the metallic case, and penetrating the rotating shaft through the bearing such that the magnetic element is aligned with the stator.
  • FIG. 1A is a schematic perspective view illustrating an impeller of a conventional fan
  • FIG. 1B is a schematic exploded view illustrating the impeller of FIG. 1A ;
  • FIG. 1C is a schematic cross-sectional view illustrating the impeller of FIG. 1A ;
  • FIG. 2A is a schematic perspective view illustrating an impeller of a fan according to an embodiment of the present invention
  • FIG. 2B is a schematic exploded view illustrating the impeller of FIG. 2A ;
  • FIG. 2C is a schematic cross-sectional view illustrating the impeller of FIG. 2A ;
  • FIG. 3 is a schematic cross-sectional view illustrating a fan according to an embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional view illustrating a fan according to another embodiment of the present invention.
  • FIG. 2A is a schematic perspective view illustrating an impeller of a fan according to an embodiment of the present invention.
  • FIG. 2B is a schematic exploded view illustrating the impeller of FIG. 2A .
  • FIG. 2C is a schematic cross-sectional view illustrating the impeller of FIG. 2A .
  • the impeller 2 comprises a hub 20 , plural blades 21 , a metallic case 22 and a rotating shaft 23 .
  • the metallic case 22 is sheathed by the hub 20 .
  • the blades 21 are disposed around the outer periphery of the hub 20 .
  • the blades 21 and the hub 20 are integrally formed by a plastic injection molding process.
  • the metallic case 22 has a top surface 221 and a sidewall 222 .
  • the sidewall 222 is axially or downwardly extended from the outer periphery of the top surface 221 .
  • the rotating shaft 23 is made of metallic material, and protruded from a center portion of the top surface 221 .
  • An opening is formed in the center portion of the top surface 221 of the metallic case 22 .
  • the rotating shaft 23 is combined with the top surface 221 of the metallic case 22 by a laser welding process.
  • the welding region S is circled by a dashed line. During the laser welding process is performed, high power laser beams are projected on the metallic surface to melt the metallic surface.
  • the rotating shaft 23 and the metallic case 22 are jointed together. Since the laser welding process has small welding joints, high precision and centralized energy, the laser welding process is able to form a secure welded structure through thin-walled parts. Since the laser welding process may create a strong adhesion between the rotating shaft 23 and the metallic case 22 , the raised ring structure of the hub and the embossed recess of the rotating shaft that are used in the conventional impeller may be omitted. Moreover, since the thickness of the top surface 221 of the metallic case 22 is too small (e.g. 0.1 ⁇ 2.0 mm), it is advantageous to design a slim-type fan by using the impeller 2 . As the thickness of the metallic case 22 is decreased, the space under the metallic case 22 for accommodating the stator of the fan will be increased. In this situation, the coil turn may be increased in order to enhance the operating performance of the fan.
  • the thickness of the metallic case 22 is decreased, the space under the metallic case 22 for accommodating the stator of the fan will be increased. In this situation, the coil turn may
  • the rotating shaft 23 and the metallic case 22 are firstly jointed together by the laser welding process, then the combination of the rotating shaft 23 and the metallic case 22 is placed within a plastic injection mold (not shown), and finally the hub 20 and the blades 21 of the impeller 2 are produced by the plastic injection molding process.
  • a plastic injection mold not shown
  • the hub 20 and the blades 21 of the impeller 2 are produced by the plastic injection molding process.
  • no raised ring structure is formed in the top surface 221 of the metallic case 22
  • no embossed recess is formed in the rotating shaft 23 .
  • the thickness of the top surface 221 of the metallic case 22 is ranged from 0.1 to 2.0 mm.
  • the mold for the impeller 2 of the present invention is simpler than the mold used in the conventional impeller.
  • the adhesion between the rotating shaft and the hub is not necessarily taken into consideration, the possibility of abrading the rotating is minimized, the thicknesses of the hub and the metallic case are not needed to be greater than the minimum thickness, and the hub and the metallic case are not shrunk or deformed after the plastic injection molding process is done.
  • the process of producing the rotating shaft is very simple. Since the welding points for performing the laser welding process are symmetrically arranged or arranged in a ring-shaped profile, the range of the torsion force of the rotating shaft will be widened.
  • the laser welding process may be performed to weld various metals. That is, the metallic case 22 and the rotating shaft 23 of the impeller 2 may be made of any metallic material or alloy, for example gold, silver, copper, iron, titanium, nickel, tin, aluminum, chromium, or the alloy thereof. In addition, the metallic case 22 and the rotating shaft 23 may be made of identical material or different materials.
  • the outer surface of the metallic case 22 may has a level difference. That is, the metallic case 22 further comprises a sub-top surface 223 , whose horizontal level is slightly lower than the top surface 221 .
  • the sub-top surface 223 of the metallic case 22 is sheltered by the hub 20 , but the top surface 221 of the metallic case 22 and the hub 20 are substantially at the same level. As a consequence, the overall height of the fan is not considerably increased.
  • FIG. 3 is a schematic cross-sectional view illustrating a fan having the impeller of FIGS. 2A-2C according to an embodiment of the present invention.
  • the fan 3 comprises a hub 30 , plural blades 31 , a metallic case 32 , a rotating shaft 33 , a motor base 34 , a bearing 35 , a stator 36 , a magnetic element 37 and a fan frame 38 .
  • the metallic case 32 is sheathed by the hub 30 .
  • the blades 31 are disposed around the outer periphery of the hub 30 .
  • the blades 31 and the hub 30 are integrally formed by a plastic injection molding process.
  • the metallic case 32 is an integral part, and comprises a top surface 321 and a sidewall 322 .
  • the sidewall 322 is axially or downwardly extended from the outer periphery of the top surface 321 .
  • the rotating shaft 33 is made of metallic material, and protruded from a center portion of the top surface 321 .
  • the rotating shaft 33 is combined with the top surface 321 of the metallic case 32 by a laser welding process.
  • a bearing stand 341 is formed in a center portion of the motor base 34 .
  • the bearing 35 is accommodated within the bearing stand 341 .
  • the rotating shaft 33 is penetrated through the bearing 35 .
  • the stator 36 is disposed around the outer periphery of the bearing stand 341 .
  • the magnetic element 37 is disposed on the inner wall of the metallic case 32 and aligned with the stator 36 .
  • the fan frame 38 is disposed at the outer portion of the fan 3 and surrounds the hub 30 , the blades 31 , the metallic case 32 , the rotating shaft 33 , the motor base 34 , the bearing 35 , the stator 36 and the magnetic element 37 . Since the rotating shaft 33 and the metallic case 32 are jointed together by the laser welding process, the thicknesses of the metallic case 32 is not needed to be greater than the minimum thickness. In this situation, the overall thickness H of the fan 3 may be smaller than 10 mm. Preferably, the overall thickness H of the fan 3 is smaller than 7 mm. Consequently, this slim-type fan 3 is achievable and may be used in an ultra-thin notebook computer or other slim-type electronic device.
  • the present invention further provides a method of manufacturing a fan. Firstly, the rotating shaft 33 and the metallic case 32 are firstly jointed together by a laser welding process. Then, the combination of the rotating shaft 33 and the metallic case 32 is placed within a plastic injection mold (not shown). Afterward, the hub 30 and the blades 31 of an impeller are produced by the plastic injection molding process. In accordance with the present invention, no raised ring structure is formed in the top surface 321 of the metallic case 32 , and no embossed recess is formed in the rotating shaft 33 . In addition, the thickness of the top surface 321 of the metallic case 32 is ranged from 0.1 to 2.0 mm.
  • a motor base 34 is provided, wherein the motor base 34 has a bearing stand 341 in a center portion thereof. Afterward, a bearing 35 is accommodated within the bearing stand 341 , and a stator 36 is disposed around the outer periphery of the bearing stand 341 . Then, a magnetic element 37 is disposed on the inner wall of the metallic case 32 . Thereafter, the rotating shaft 33 is penetrated through the bearing 35 such that the magnetic element 37 is aligned with the stator 36 . Then, a fan frame 38 is disposed at the outer portion of the above resulting structure. Meanwhile, the fan 3 is assembled.
  • FIG. 4 is a schematic cross-sectional view illustrating a fan according to another embodiment of the present invention.
  • the fan 4 comprises plural blades 41 , a metallic case 42 , a rotating shaft 43 , a motor base 44 , a bearing stand 441 , a bearing 45 , a stator 46 , a magnetic element 47 and a fan frame 48 .
  • the blades 41 are made of metallic material rather than plastic material.
  • the blades 41 are integrally formed with the metallic case 42 , and blades 41 are disposed around the outer periphery of the metallic case 42 .
  • no hub is included in the fan 4 .
  • the configurations of the other components of the fan 4 are similar to those of the fan 3 as shown in FIG. 3 , and are not redundantly described herein. Since the rotating shaft 43 and the metallic case 42 are jointed together by the laser welding process, the thicknesses of the metallic case 42 is not needed to be greater than the minimum thickness. In this situation, the overall thickness H of the fan 4 may be smaller than 10 mm. Preferably, the overall thickness H of the fan 4 is smaller than 7 mm. Consequently, this slim-type fan 4 is achievable and may be used in an ultra-thin notebook computer or other slim-type electronic device
  • the fan impeller of the present invention comprises a hub, plural blades, a metallic case and a rotating shaft.
  • the rotating shaft is protruded from a center portion of the top surface.
  • the rotating shaft and the metallic case are directly jointed together by a laser welding process.
  • no raised ring structure is formed in the top surface of the metallic case.
  • the top surface of the metallic case has a thickness of 0.1 ⁇ 2.0 mm. The problem of abrading the rotating shaft will be eliminated.
  • the mold for the impeller is simplified. Since no embossed recess is formed in the rotating shaft, the range of the torsion force of the rotating shaft will be widened.
  • the overall thickness of the fan may be smaller than 10 mm, the slim-type fan of the present invention may be used in an ultra-thin notebook computer or other slim-type electronic device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Laser Beam Processing (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
US13/224,323 2010-09-03 2011-09-01 Fan and manufacturing method thereof Abandoned US20120057966A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/983,607 US11022136B2 (en) 2010-09-03 2018-05-18 Fan and manufacturing method thereof
US17/230,711 US11879475B2 (en) 2010-09-03 2021-04-14 Fan

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW099129810 2010-09-03
TW099129810A TWI418707B (zh) 2010-09-03 2010-09-03 風扇及其製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/983,607 Continuation-In-Part US11022136B2 (en) 2010-09-03 2018-05-18 Fan and manufacturing method thereof

Publications (1)

Publication Number Publication Date
US20120057966A1 true US20120057966A1 (en) 2012-03-08

Family

ID=45770860

Family Applications (3)

Application Number Title Priority Date Filing Date
US13/224,323 Abandoned US20120057966A1 (en) 2010-09-03 2011-09-01 Fan and manufacturing method thereof
US15/983,607 Active 2032-01-24 US11022136B2 (en) 2010-09-03 2018-05-18 Fan and manufacturing method thereof
US17/230,711 Active 2032-01-13 US11879475B2 (en) 2010-09-03 2021-04-14 Fan

Family Applications After (2)

Application Number Title Priority Date Filing Date
US15/983,607 Active 2032-01-24 US11022136B2 (en) 2010-09-03 2018-05-18 Fan and manufacturing method thereof
US17/230,711 Active 2032-01-13 US11879475B2 (en) 2010-09-03 2021-04-14 Fan

Country Status (3)

Country Link
US (3) US20120057966A1 (zh)
JP (1) JP5337211B2 (zh)
TW (1) TWI418707B (zh)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130259692A1 (en) * 2012-03-27 2013-10-03 Foxconn Technology Co., Ltd. Fan with metallic hub and plastic impeller and method for manufacturing such fan
US20140027416A1 (en) * 2012-07-27 2014-01-30 Foxconn Technology Co., Ltd. Method for manufacturing rotor
US20140212303A1 (en) * 2013-01-29 2014-07-31 Nidec Corporation Blower fan
CN104632713A (zh) * 2013-11-07 2015-05-20 奇鋐科技股份有限公司 扇轮结构改良
TWI557325B (zh) * 2014-05-28 2016-11-11 Asia Vital Components Co Ltd 風扇結構
TWI557323B (zh) * 2014-04-18 2016-11-11 鴻準精密工業股份有限公司 風扇
US9605682B2 (en) 2011-06-30 2017-03-28 Nidec Corporation Blower fan
US9655278B2 (en) 2014-06-05 2017-05-16 Asia Vital Components Co., Ltd. Slim fan structure
US20170211591A1 (en) * 2016-01-26 2017-07-27 Sunonwealth Electric Machine Industry Co., Ltd. Impeller having a Solidified Ultraviolet-Curing Adhesive, Fan having the Impeller, Impeller Weight-Balancing Method, and Impeller Weight-Balancing Adjustment System
US9777734B2 (en) 2013-10-23 2017-10-03 Delta Electronics, Inc. Thin fan
US20180231009A1 (en) * 2017-02-14 2018-08-16 Delta Electronics, Inc. Thin fan and thin-plate motor
CN111102239A (zh) * 2019-11-26 2020-05-05 奇鋐科技股份有限公司 碟型扇轮结构
CN112081762A (zh) * 2019-06-13 2020-12-15 苏州凯航电机有限公司 一种电风机及清洁设备
USD938009S1 (en) 2019-12-10 2021-12-07 Regal Beloit America, Inc. Fan hub
USD938011S1 (en) 2019-12-10 2021-12-07 Regal Beloit America, Inc. Fan blade
USD938010S1 (en) 2019-12-10 2021-12-07 Regal Beloit America, Inc. Fan hub
US11326616B2 (en) 2019-12-27 2022-05-10 Asia Vital Components Co., Ltd. Disk-shaped fan impeller structure
USD952830S1 (en) 2019-12-10 2022-05-24 Regal Beloit America, Inc. Fan shroud
US11371517B2 (en) * 2019-12-10 2022-06-28 Regal Beloit America, Inc. Hub inlet surface for an electric motor assembly
EP4037149A1 (en) * 2021-02-01 2022-08-03 BSH Hausgeräte GmbH Ec motor, fan with ec motor, and household appliance
US11555508B2 (en) 2019-12-10 2023-01-17 Regal Beloit America, Inc. Fan shroud for an electric motor assembly
US11859634B2 (en) 2019-12-10 2024-01-02 Regal Beloit America, Inc. Fan hub configuration for an electric motor assembly
CN117532162A (zh) * 2024-01-10 2024-02-09 武汉创恒激光智能装备有限公司 一种水泵叶轮组件激光自动焊接装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI418707B (zh) * 2010-09-03 2013-12-11 Delta Electronics Inc 風扇及其製造方法
JP6097926B2 (ja) * 2012-10-31 2017-03-22 パナソニックＩｐマネジメント株式会社 ブレード及びそれを用いた送風装置及び電子機器
US9636779B2 (en) 2013-05-28 2017-05-02 Asia Vital Components Co., Ltd. Connection structure applied to a fan for connecting a metal member with a shaft by means of laser
TWI611109B (zh) * 2016-01-26 2018-01-11 建準電機工業股份有限公司 具有配重用紫外線硬化膠的扇輪、設有該扇輪的風扇、平衡扇輪配重的方法及扇輪配重平衡調校系統
TWI675150B (zh) * 2016-09-01 2019-10-21 大陸商昆山廣興電子有限公司 風扇
CN106907349A (zh) * 2017-03-09 2017-06-30 深圳兴奇宏科技有限公司 风扇扇叶结构
USD860956S1 (en) * 2017-03-31 2019-09-24 Delta Electronics, Inc. Impeller
CN114738315A (zh) * 2018-11-28 2022-07-12 台达电子工业股份有限公司 风扇叶轮
TWI699486B (zh) * 2019-07-18 2020-07-21 大陸商昆山廣興電子有限公司 扇輪
CN117329162A (zh) * 2022-12-14 2024-01-02 荣耀终端有限公司 一种叶轮、风扇及电子设备

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105645A (en) * 1989-11-13 1992-04-21 Toyo Seikan Kaisha, Ltd. Method of redrawing metal cup
US5744882A (en) * 1995-06-07 1998-04-28 Matsushita Electric Industrial Co., Ltd. Spindle motor
US6339275B1 (en) * 1998-10-12 2002-01-15 Kabushiki Kaisha Sankyo Seiki Seisakusho Rotor, method for assembling rotor, and motor using the rotor
US20060202577A1 (en) * 2005-03-11 2006-09-14 Kazunori Maekawa Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same
US20070104593A1 (en) * 2005-11-01 2007-05-10 Tadao Yamaguchi Flat eccentric rotor equipped with a fan and flat vibration motor equipped with a fan comprising same rotor
US20070188034A1 (en) * 2006-02-16 2007-08-16 Nidec Corporation Electric motor and fan unit employing the same
US20070212219A1 (en) * 2006-03-13 2007-09-13 Nidec Corporation Centrifugal fan
US20090001825A1 (en) * 2007-06-27 2009-01-01 Nidec Corporation Motor, fan, rotor holder and manufacturing method of the same
US7474032B2 (en) * 2005-11-22 2009-01-06 Sunonwealth Electric Machine Industry Co., Ltd. Simplified fan device having a thin-type structure with a minimum air gap for reducing an axial thickness
US7671498B2 (en) * 2005-05-13 2010-03-02 Delta Electronics Inc. Fan motor and stator thereof

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62244587A (ja) * 1986-04-15 1987-10-24 Mitsubishi Heavy Ind Ltd レ−ザ−による管と管板の周溶接装置
JPS63317269A (ja) * 1987-06-19 1988-12-26 Toshiba Corp レ−ザ接合方法
US5211327A (en) * 1991-03-20 1993-05-18 Case Corporation Method of welding
JPH0621348U (ja) * 1992-08-18 1994-03-18 松下電器産業株式会社 モータの回転子
US6041132A (en) * 1997-07-29 2000-03-21 General Electric Company Computed tomography inspection of composite ply structure
FR2786336B1 (fr) 1998-11-20 2004-12-03 Matsushita Electric Ind Co Ltd Moteur sans balai et son procede d'assemblage
JP3159202B2 (ja) 1999-03-15 2001-04-23 松下電器産業株式会社 偏平振動モータ
JP2001227465A (ja) * 2000-02-18 2001-08-24 Toyota Autom Loom Works Ltd 圧縮機用中空ピストンの製造方法
JP2001309606A (ja) * 2000-04-19 2001-11-02 Minebea Co Ltd Ｏａ機器用の複合軸受電動機
US6781266B2 (en) * 2000-11-09 2004-08-24 Seagate Technology Llc Distortion free laser welded fluid bearing design
JP2002369438A (ja) 2001-06-08 2002-12-20 Matsushita Electric Ind Co Ltd スピンドルモータ及びその組立方法
JP4935051B2 (ja) * 2005-11-01 2012-05-23 日本電産株式会社 遠心ファン
JP2007209091A (ja) * 2006-01-31 2007-08-16 Nippon Densan Corp 送風ファン
TWI327457B (en) 2006-03-03 2010-07-11 Delta Electronics Inc Fan, motor and impeller thereof
JP4992287B2 (ja) * 2006-04-28 2012-08-08 日本電産株式会社 モータ
TWI305560B (en) * 2006-05-26 2009-01-21 Delta Electronics Inc Rotor structure and manufacturing method thereof
JP2008069672A (ja) * 2006-09-12 2008-03-27 Nippon Densan Corp ファン
JP4894542B2 (ja) * 2007-01-31 2012-03-14 日本電産株式会社 軸受装置、この軸受装置を備えたスピンドルモータおよびこのスピンドルモータを備えたディスク駆動装置
CN101377206B (zh) * 2007-08-31 2013-08-07 富准精密工业(深圳)有限公司 扇叶结构及具有该扇叶结构的离心风扇
CN101451541B (zh) * 2007-11-30 2011-06-08 富准精密工业(深圳)有限公司 离心风扇
CN201228662Y (zh) 2008-07-18 2009-04-29 元山科技工业股份有限公司 扇轮装置
JP2010025087A (ja) * 2008-07-24 2010-02-04 Nippon Densan Corp 軸流ファン
TWM350746U (en) 2008-10-13 2009-02-11 Forcecon Technology Co Ltd Thin-type fan rotor
JP2010165421A (ja) * 2009-01-16 2010-07-29 Nippon Densan Corp スピンドルモータ、それを用いたディスク駆動装置、及びスピンドルモータの製造方法
JP5206482B2 (ja) * 2009-02-24 2013-06-12 日本電産株式会社 送風機用インペラおよび送風機
TWM376656U (en) 2009-08-28 2010-03-21 Asia Vital Components Co Ltd Improved structure of fan blade
US8465260B2 (en) * 2010-02-22 2013-06-18 Beijing AVC Technology Research Center Co., Ltd. Combination fan propeller structure
TWI418707B (zh) * 2010-09-03 2013-12-11 Delta Electronics Inc 風扇及其製造方法
DE112016000212T5 (de) * 2015-03-19 2017-09-28 Aisin Aw Co., Ltd. Verbindungsteil und Herstellungsverfahren

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105645A (en) * 1989-11-13 1992-04-21 Toyo Seikan Kaisha, Ltd. Method of redrawing metal cup
US5744882A (en) * 1995-06-07 1998-04-28 Matsushita Electric Industrial Co., Ltd. Spindle motor
US6339275B1 (en) * 1998-10-12 2002-01-15 Kabushiki Kaisha Sankyo Seiki Seisakusho Rotor, method for assembling rotor, and motor using the rotor
US20060202577A1 (en) * 2005-03-11 2006-09-14 Kazunori Maekawa Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same
US7675210B2 (en) * 2005-03-11 2010-03-09 Panasonic Corporation Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same
US7671498B2 (en) * 2005-05-13 2010-03-02 Delta Electronics Inc. Fan motor and stator thereof
US20070104593A1 (en) * 2005-11-01 2007-05-10 Tadao Yamaguchi Flat eccentric rotor equipped with a fan and flat vibration motor equipped with a fan comprising same rotor
US7474032B2 (en) * 2005-11-22 2009-01-06 Sunonwealth Electric Machine Industry Co., Ltd. Simplified fan device having a thin-type structure with a minimum air gap for reducing an axial thickness
US20070188034A1 (en) * 2006-02-16 2007-08-16 Nidec Corporation Electric motor and fan unit employing the same
US20070212219A1 (en) * 2006-03-13 2007-09-13 Nidec Corporation Centrifugal fan
US20090001825A1 (en) * 2007-06-27 2009-01-01 Nidec Corporation Motor, fan, rotor holder and manufacturing method of the same

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9605682B2 (en) 2011-06-30 2017-03-28 Nidec Corporation Blower fan
US20130259692A1 (en) * 2012-03-27 2013-10-03 Foxconn Technology Co., Ltd. Fan with metallic hub and plastic impeller and method for manufacturing such fan
US9546667B2 (en) * 2012-03-27 2017-01-17 Foxconn Technology Co., Ltd. Fan with metallic hub and plastic impeller and method for manufacturing such fan
US20140027416A1 (en) * 2012-07-27 2014-01-30 Foxconn Technology Co., Ltd. Method for manufacturing rotor
TWI584905B (zh) * 2012-07-27 2017-06-01 鴻準精密工業股份有限公司 風扇輪轂之製造方法
US20140212303A1 (en) * 2013-01-29 2014-07-31 Nidec Corporation Blower fan
US9777734B2 (en) 2013-10-23 2017-10-03 Delta Electronics, Inc. Thin fan
CN104632713A (zh) * 2013-11-07 2015-05-20 奇鋐科技股份有限公司 扇轮结构改良
TWI557323B (zh) * 2014-04-18 2016-11-11 鴻準精密工業股份有限公司 風扇
TWI557325B (zh) * 2014-05-28 2016-11-11 Asia Vital Components Co Ltd 風扇結構
US9655278B2 (en) 2014-06-05 2017-05-16 Asia Vital Components Co., Ltd. Slim fan structure
US20170211591A1 (en) * 2016-01-26 2017-07-27 Sunonwealth Electric Machine Industry Co., Ltd. Impeller having a Solidified Ultraviolet-Curing Adhesive, Fan having the Impeller, Impeller Weight-Balancing Method, and Impeller Weight-Balancing Adjustment System
US20180231009A1 (en) * 2017-02-14 2018-08-16 Delta Electronics, Inc. Thin fan and thin-plate motor
CN112081762A (zh) * 2019-06-13 2020-12-15 苏州凯航电机有限公司 一种电风机及清洁设备
CN111102239A (zh) * 2019-11-26 2020-05-05 奇鋐科技股份有限公司 碟型扇轮结构
USD952830S1 (en) 2019-12-10 2022-05-24 Regal Beloit America, Inc. Fan shroud
USD938011S1 (en) 2019-12-10 2021-12-07 Regal Beloit America, Inc. Fan blade
USD938010S1 (en) 2019-12-10 2021-12-07 Regal Beloit America, Inc. Fan hub
USD938009S1 (en) 2019-12-10 2021-12-07 Regal Beloit America, Inc. Fan hub
US11371517B2 (en) * 2019-12-10 2022-06-28 Regal Beloit America, Inc. Hub inlet surface for an electric motor assembly
US11555508B2 (en) 2019-12-10 2023-01-17 Regal Beloit America, Inc. Fan shroud for an electric motor assembly
USD1002834S1 (en) 2019-12-10 2023-10-24 Regal Beloit America, Inc. Fan hub
US11859634B2 (en) 2019-12-10 2024-01-02 Regal Beloit America, Inc. Fan hub configuration for an electric motor assembly
US11326616B2 (en) 2019-12-27 2022-05-10 Asia Vital Components Co., Ltd. Disk-shaped fan impeller structure
EP4037149A1 (en) * 2021-02-01 2022-08-03 BSH Hausgeräte GmbH Ec motor, fan with ec motor, and household appliance
CN117532162A (zh) * 2024-01-10 2024-02-09 武汉创恒激光智能装备有限公司 一种水泵叶轮组件激光自动焊接装置

Also Published As

Publication number Publication date
JP2012057614A (ja) 2012-03-22
US11879475B2 (en) 2024-01-23
US20180266434A1 (en) 2018-09-20
US20210231127A1 (en) 2021-07-29
US11022136B2 (en) 2021-06-01
JP5337211B2 (ja) 2013-11-06
TWI418707B (zh) 2013-12-11
TW201211394A (en) 2012-03-16

Similar Documents

Publication Publication Date Title
US11022136B2 (en) Fan and manufacturing method thereof
JP4926911B2 (ja) ファン
US9636779B2 (en) Connection structure applied to a fan for connecting a metal member with a shaft by means of laser
US20130106210A1 (en) Motor including heat radiating resin
CN104728133B (zh) 风扇
US20080156461A1 (en) Heat sink fan
US8792204B2 (en) Base plate of motor including flange portion and plastic deforming portion and disk drive apparatus
US9732757B2 (en) Thin fan and manufacturing method thereof
US9800115B2 (en) Vibration motor
CN102384096B (zh) 风扇及其制造方法
US10476329B2 (en) Motor including a seal covering a high reflectivity metallic surface of a rotor hub
US7484931B2 (en) Frame for an electrical fan
JP5695625B2 (ja) レーザ溶接を利用した絶縁フレーム及び軸筒の結合構造及びその方法
JP5972396B2 (ja) 整流装置の製造方法
EP3605805B1 (en) Motor and method for manufacturing same
US20130294909A1 (en) Fan assembly
JPWO2018062005A1 (ja) モータ、および電動パワーステアリング装置
US8432077B2 (en) Bearing holder and spindle motor having the same
KR20190040276A (ko) 스피커 모듈 하우징, 스피커 모듈 및 발성장치
JP5993603B2 (ja) 送風機
JP6097926B2 (ja) ブレード及びそれを用いた送風装置及び電子機器
US9657741B2 (en) Magnet case and rotor incorporating the same
US20140027416A1 (en) Method for manufacturing rotor
TWI712249B (zh) 音圈馬達及其製作方法
JP2018017123A (ja) 遠心ファン

Legal Events

Date Code Title Description
AS Assignment

Owner name: DELTA ELECTRONICS, INC., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHEN, CHIU-KUNG;WANG, BING-FENG;WANG, CHUN-CHIH;REEL/FRAME:042670/0528

Effective date: 20101005

STCB Information on status: application discontinuation

Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION