JPWO2020251041A1 - - Google Patents

Info

Publication number
JPWO2020251041A1
JPWO2020251041A1 JP2021526170A JP2021526170A JPWO2020251041A1 JP WO2020251041 A1 JPWO2020251041 A1 JP WO2020251041A1 JP 2021526170 A JP2021526170 A JP 2021526170A JP 2021526170 A JP2021526170 A JP 2021526170A JP WO2020251041 A1 JPWO2020251041 A1 JP WO2020251041A1
Authority
JP
Japan
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
Application number
JP2021526170A
Other languages
Japanese (ja)
Other versions
JP7496353B2 (ja
JPWO2020251041A5 (https=
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
Application filed filed Critical
Publication of JPWO2020251041A1 publication Critical patent/JPWO2020251041A1/ja
Publication of JPWO2020251041A5 publication Critical patent/JPWO2020251041A5/ja
Priority to JP2024085507A priority Critical patent/JP7752210B2/ja
Application granted granted Critical
Publication of JP7496353B2 publication Critical patent/JP7496353B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • 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
    • F04D19/00—Axial-flow pumps
    • F04D19/007—Axial-flow pumps multistage fans
    • 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
    • F04D29/053—Shafts
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/059—Roller 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
    • 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
    • F04D29/38—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2791—Surface mounted magnets; Inset magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
JP2021526170A 2019-06-14 2020-06-12 回転機器 Active JP7496353B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024085507A JP7752210B2 (ja) 2019-06-14 2024-05-27 回転機器

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019111612 2019-06-14
JP2019111612 2019-06-14
PCT/JP2020/023298 WO2020251041A1 (ja) 2019-06-14 2020-06-12 回転機器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024085507A Division JP7752210B2 (ja) 2019-06-14 2024-05-27 回転機器

Publications (3)

Publication Number Publication Date
JPWO2020251041A1 true JPWO2020251041A1 (https=) 2020-12-17
JPWO2020251041A5 JPWO2020251041A5 (https=) 2022-04-19
JP7496353B2 JP7496353B2 (ja) 2024-06-06

Family

ID=73781223

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021526170A Active JP7496353B2 (ja) 2019-06-14 2020-06-12 回転機器
JP2024085507A Active JP7752210B2 (ja) 2019-06-14 2024-05-27 回転機器

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024085507A Active JP7752210B2 (ja) 2019-06-14 2024-05-27 回転機器

Country Status (4)

Country Link
US (1) US20220235775A1 (https=)
JP (2) JP7496353B2 (https=)
CN (2) CN113966440B (https=)
WO (1) WO2020251041A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6935252B2 (ja) * 2017-07-10 2021-09-15 ミネベアミツミ株式会社 モータ
JP2022122724A (ja) * 2021-02-10 2022-08-23 ミネベアミツミ株式会社 回転機器
DE102021131883A1 (de) * 2021-12-03 2023-06-07 Ebm-Papst St. Georgen Gmbh & Co. Kg Ventilator mit zweiseitig gelagerter Rotorwelle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008175158A (ja) * 2007-01-19 2008-07-31 Nippon Densan Corp 軸流ファン
JP2017158409A (ja) * 2016-03-04 2017-09-07 日本精工株式会社 ローラ

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385510A (en) * 1966-07-29 1968-05-28 Litton Prec Products Inc Miniature motor driven air blower
US4995787A (en) * 1989-09-18 1991-02-26 Torrington Research Company Axial flow impeller
US5101306A (en) * 1989-10-30 1992-03-31 Kabushiki Kaisha Toshiba Releasable controlled force clamp for disk storage apparatus
DE4121428A1 (de) * 1991-06-28 1993-01-07 Papst Motoren Gmbh & Co Kg Spindelmotor, insbesondere fuer plattenspeicher
US5519270A (en) * 1992-08-19 1996-05-21 Fujitsu Limited Spindle motor and disk drive having the same
US5859745A (en) * 1993-11-02 1999-01-12 Seagate Technology, Inc. Split ring mounting for disk drive spindle and actuator shafts
JPH07327347A (ja) * 1994-05-30 1995-12-12 Toshiba Corp アウタロータ用ファンモータ
US6528909B1 (en) * 1998-01-14 2003-03-04 International Business Machines Corporation Motor shaft having an integral heat pipe
JP3295842B2 (ja) * 1998-07-16 2002-06-24 ミネベア株式会社 軸流ファンモータ
US6707639B1 (en) * 2000-03-31 2004-03-16 Seagate Technology Llc. Balancing system with adjustable eccentric rings for a disc drive assembly
EP1432104B1 (de) * 2002-12-16 2006-12-06 ebm-papst St. Georgen GmbH & Co. KG Aussenläufermotor mit stehender Lagerachse
JP2005256705A (ja) * 2004-03-11 2005-09-22 Nippon Densan Corp 細長遠心ファン
US7554228B2 (en) * 2005-05-25 2009-06-30 Hewlett-Packard Development Company, L.P. Cooling fan with an outer rotor motor
CN100590949C (zh) * 2006-04-14 2010-02-17 日本伺服有限公司 轴流风扇电动机
JP3129498U (ja) * 2006-08-11 2007-02-22 建軍 ▲兪▼ 磁気浮上回転装置
JPWO2008041353A1 (ja) * 2006-09-29 2010-02-04 日本電産サンキョー株式会社 ファンモータ
JP2009243381A (ja) * 2008-03-31 2009-10-22 Nidec Sankyo Corp ファンモータ
JP2012097655A (ja) * 2010-11-02 2012-05-24 Nippon Densan Corp 送風ファン
JP2012102686A (ja) * 2010-11-11 2012-05-31 Nippon Densan Corp 送風ファン
JP2013015038A (ja) * 2011-06-30 2013-01-24 Nippon Densan Corp ファン
US20140010645A1 (en) * 2012-07-05 2014-01-09 Adda Corp. Fan structure
JP5910673B2 (ja) * 2014-06-30 2016-04-27 ダイキン工業株式会社 電動機
JP6728948B2 (ja) * 2016-05-09 2020-07-22 日本電産株式会社 ファンモータ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008175158A (ja) * 2007-01-19 2008-07-31 Nippon Densan Corp 軸流ファン
JP2017158409A (ja) * 2016-03-04 2017-09-07 日本精工株式会社 ローラ

Also Published As

Publication number Publication date
JP7496353B2 (ja) 2024-06-06
WO2020251041A1 (ja) 2020-12-17
US20220235775A1 (en) 2022-07-28
CN113966440A (zh) 2022-01-21
CN118407924A (zh) 2024-07-30
CN113966440B (zh) 2024-05-28
JP7752210B2 (ja) 2025-10-09
JP2024103561A (ja) 2024-08-01

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