JP7496353B2 - 回転機器 - Google Patents

回転機器 Download PDF

Info

Publication number
JP7496353B2
JP7496353B2 JP2021526170A JP2021526170A JP7496353B2 JP 7496353 B2 JP7496353 B2 JP 7496353B2 JP 2021526170 A JP2021526170 A JP 2021526170A JP 2021526170 A JP2021526170 A JP 2021526170A JP 7496353 B2 JP7496353 B2 JP 7496353B2
Authority
JP
Japan
Prior art keywords
bearing
rotor
shaft member
housing
rotating device
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.)
Active
Application number
JP2021526170A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020251041A5 (https=
JPWO2020251041A1 (https=
Inventor
仁 岩田
剛 加納
直生 大沢
生馬 山西
俊之 西方
道弘 清水
雄太 天城
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.)
MinebeaMitsumi Inc
Original Assignee
MinebeaMitsumi 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
Application filed by MinebeaMitsumi Inc filed Critical MinebeaMitsumi Inc
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

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
    • 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
    • F04D19/002—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
    • 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 JPWO2020251041A1 (https=) 2020-12-17
JPWO2020251041A5 JPWO2020251041A5 (https=) 2022-04-19
JP7496353B2 true 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
WO2020251041A1 (ja) 2020-12-17
US20220235775A1 (en) 2022-07-28
CN113966440A (zh) 2022-01-21
JPWO2020251041A1 (https=) 2020-12-17
CN118407924A (zh) 2024-07-30
CN113966440B (zh) 2024-05-28
JP7752210B2 (ja) 2025-10-09
JP2024103561A (ja) 2024-08-01

Similar Documents

Publication Publication Date Title
JP7752210B2 (ja) 回転機器
JP4904894B2 (ja) 軸流ファン
US9074604B2 (en) Centrifugal fan
US20180195526A1 (en) Serial axial flow fan
US10415586B2 (en) Axial fan
JP2016223432A (ja) インペラ、送風装置、および掃除機
US11268532B2 (en) Electric blower, electric vacuum cleaner, and hand dryer
JP2014219006A (ja) 圧縮機
US20070140844A1 (en) Axial Flow Fan
US20190093662A1 (en) Axial fan
JP7781222B2 (ja) 回転機器
JP2025063302A (ja) 回転機器
JP2005160264A (ja) ブロワ用モータ
JP2015068347A (ja) 遠心インペラ及び遠心ブロワ
US20190093668A1 (en) Axial fan
JPWO2020251041A5 (https=)
US20240258845A1 (en) Stator core
JP2019161832A (ja) モータおよびファンモータ
JP2012013022A (ja) 送風ファン
JP2003158839A (ja) 空冷モータ
JP2025013952A (ja) 回転機器
JP7591369B2 (ja) 回転機器
JPH10257719A (ja) 小型モータ
JP2021011867A (ja) ファン装置
JP2022122724A (ja) 回転機器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220411

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230516

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231205

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240126

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240507

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240527

R150 Certificate of patent or registration of utility model

Ref document number: 7496353

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150