AU2020430965B2 - Electric motor, fan, and air conditioner - Google Patents

Electric motor, fan, and air conditioner Download PDF

Info

Publication number
AU2020430965B2
AU2020430965B2 AU2020430965A AU2020430965A AU2020430965B2 AU 2020430965 B2 AU2020430965 B2 AU 2020430965B2 AU 2020430965 A AU2020430965 A AU 2020430965A AU 2020430965 A AU2020430965 A AU 2020430965A AU 2020430965 B2 AU2020430965 B2 AU 2020430965B2
Authority
AU
Australia
Prior art keywords
bearing
shaft
support portion
circumferential surface
bearing support
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.)
Ceased
Application number
AU2020430965A
Other languages
English (en)
Other versions
AU2020430965A1 (en
Inventor
Hiroki Aso
Ryogo TAKAHASHI
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of AU2020430965A1 publication Critical patent/AU2020430965A1/en
Application granted granted Critical
Publication of AU2020430965B2 publication Critical patent/AU2020430965B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02K5/1732—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 rotary shaft at both ends of the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • 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
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2746—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets arranged with the same polarity, e.g. consequent pole type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • 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
    • H02K7/08—Structural association with bearings
    • H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Motor Or Generator Frames (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
AU2020430965A 2020-02-28 2020-02-28 Electric motor, fan, and air conditioner Ceased AU2020430965B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/008301 WO2021171554A1 (ja) 2020-02-28 2020-02-28 電動機、送風機および空気調和装置

Publications (2)

Publication Number Publication Date
AU2020430965A1 AU2020430965A1 (en) 2022-08-18
AU2020430965B2 true AU2020430965B2 (en) 2023-04-27

Family

ID=77491149

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020430965A Ceased AU2020430965B2 (en) 2020-02-28 2020-02-28 Electric motor, fan, and air conditioner

Country Status (6)

Country Link
US (1) US12081097B2 (https=)
EP (1) EP4113802A4 (https=)
JP (1) JP7258214B2 (https=)
CN (1) CN115136468B (https=)
AU (1) AU2020430965B2 (https=)
WO (1) WO2021171554A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022157832A1 (ja) * 2021-01-19 2022-07-28 三菱電機株式会社 空気調和装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002078281A (ja) * 2000-08-23 2002-03-15 Nidec Shibaura Corp 電動機の軸受取り付けの構造
WO2018179025A1 (ja) * 2017-03-27 2018-10-04 三菱電機株式会社 電動機および空気調和装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60141651U (ja) 1984-02-29 1985-09-19 株式会社東芝 軸受保持装置
JP3791570B2 (ja) * 1997-12-22 2006-06-28 三菱電機株式会社 外転形電動機
JP5213821B2 (ja) 2009-02-04 2013-06-19 三菱電機株式会社 回転電機
JP2012060772A (ja) 2010-09-08 2012-03-22 Mitsubishi Electric Corp 電動機の回転子及び電動機及び空気調和機及び電動機の回転子の製造方法
JP5112574B2 (ja) * 2011-03-07 2013-01-09 パナソニック株式会社 電動機およびそれを備えた電気機器
JP5312518B2 (ja) 2011-05-19 2013-10-09 三菱電機株式会社 電動機および空調機
JP2013039011A (ja) * 2011-08-11 2013-02-21 Nippon Densan Corp モータ
JP2013243812A (ja) * 2012-05-18 2013-12-05 Panasonic Corp 電動機及び電動機を具備する機器
JP2015177649A (ja) * 2014-03-14 2015-10-05 三菱電機株式会社 電動機の回転子、電動機、空気調和機、および電動機の回転子の製造方法
JP2016127620A (ja) * 2014-12-26 2016-07-11 日本電産株式会社 モータ
WO2017077585A1 (ja) * 2015-11-04 2017-05-11 三菱電機株式会社 電動機
CN109565188B (zh) * 2016-07-15 2022-12-06 詹尼斯机器人移动技术加拿大公司 具有布置在柱之间的永磁体的轴向间隙电机
CN110178289B (zh) 2017-01-23 2021-03-12 三菱电机株式会社 转子、电动机、空调装置及转子的制造方法
JP6689445B2 (ja) * 2017-03-03 2020-04-28 三菱電機株式会社 回転子、電動機、圧縮機および送風機
US11552515B2 (en) 2018-06-25 2023-01-10 Mitsubishi Electric Corporation Rotor, motor, fan, and air conditioner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002078281A (ja) * 2000-08-23 2002-03-15 Nidec Shibaura Corp 電動機の軸受取り付けの構造
WO2018179025A1 (ja) * 2017-03-27 2018-10-04 三菱電機株式会社 電動機および空気調和装置

Also Published As

Publication number Publication date
JP7258214B2 (ja) 2023-04-14
CN115136468A (zh) 2022-09-30
EP4113802A1 (en) 2023-01-04
EP4113802A4 (en) 2023-05-10
CN115136468B (zh) 2025-03-21
US12081097B2 (en) 2024-09-03
AU2020430965A1 (en) 2022-08-18
US20230081655A1 (en) 2023-03-16
JPWO2021171554A1 (https=) 2021-09-02
WO2021171554A1 (ja) 2021-09-02

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired