ITFI20130204A1 - "fan-cooled electrical machine with axial thrust compensation" - Google Patents

"fan-cooled electrical machine with axial thrust compensation"

Info

Publication number
ITFI20130204A1
ITFI20130204A1 IT000204A ITFI20130204A ITFI20130204A1 IT FI20130204 A1 ITFI20130204 A1 IT FI20130204A1 IT 000204 A IT000204 A IT 000204A IT FI20130204 A ITFI20130204 A IT FI20130204A IT FI20130204 A1 ITFI20130204 A1 IT FI20130204A1
Authority
IT
Italy
Prior art keywords
cooling gas
rotating
cooling
impeller
machinery
Prior art date
Application number
IT000204A
Other languages
English (en)
Italian (it)
Inventor
Vittorio Michelassi
Ilia Oxman
Original Assignee
Nuovo Pignone Srl
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 Nuovo Pignone Srl filed Critical Nuovo Pignone Srl
Priority to IT000204A priority Critical patent/ITFI20130204A1/it
Priority to DK14708039.4T priority patent/DK3042440T3/da
Priority to CA2921769A priority patent/CA2921769A1/en
Priority to US14/916,471 priority patent/US10218245B2/en
Priority to RU2016105709A priority patent/RU2653862C2/ru
Priority to PCT/EP2014/054313 priority patent/WO2015032510A1/en
Priority to AU2014317455A priority patent/AU2014317455B2/en
Priority to BR112016003063-0A priority patent/BR112016003063B1/pt
Priority to CN201480048691.0A priority patent/CN105684274B/zh
Priority to EP14708039.4A priority patent/EP3042440B1/en
Publication of ITFI20130204A1 publication Critical patent/ITFI20130204A1/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/16Sealings between pressure and suction sides
    • F04D29/161Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • F04D17/12Multi-stage pumps
    • F04D17/122Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/041Axial thrust balancing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/051Axial thrust balancing
    • F04D29/0516Axial thrust balancing balancing pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5806Cooling the drive system
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807Rotary generators
    • H02K7/1823Rotary generators structurally associated with turbines or similar engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
IT000204A 2013-09-03 2013-09-03 "fan-cooled electrical machine with axial thrust compensation" ITFI20130204A1 (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
IT000204A ITFI20130204A1 (it) 2013-09-03 2013-09-03 "fan-cooled electrical machine with axial thrust compensation"
DK14708039.4T DK3042440T3 (da) 2013-09-03 2014-03-06 Ventilatorkølet elektrisk maskine med aksialtrykkompensation
CA2921769A CA2921769A1 (en) 2013-09-03 2014-03-06 Fan-cooled electrical machine with axial thrust compensation
US14/916,471 US10218245B2 (en) 2013-09-03 2014-03-06 Fan-cooled electrical machine with axial thrust compensation
RU2016105709A RU2653862C2 (ru) 2013-09-03 2014-03-06 Электрическая машина с вентиляторным охлаждением и с компенсацией осевой нагрузки
PCT/EP2014/054313 WO2015032510A1 (en) 2013-09-03 2014-03-06 Fan-cooled electrical machine with axial thrust compensation
AU2014317455A AU2014317455B2 (en) 2013-09-03 2014-03-06 Fan-cooled electrical machine with axial thrust compensation
BR112016003063-0A BR112016003063B1 (pt) 2013-09-03 2014-03-06 Equipamento de maquinário rotativo e métodos para reduzir um impulso axial em um equipamento de maquinário rotativo
CN201480048691.0A CN105684274B (zh) 2013-09-03 2014-03-06 具有轴向推力补偿的风扇冷却的电机
EP14708039.4A EP3042440B1 (en) 2013-09-03 2014-03-06 Fan-cooled electrical machine with axial thrust compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000204A ITFI20130204A1 (it) 2013-09-03 2013-09-03 "fan-cooled electrical machine with axial thrust compensation"

Publications (1)

Publication Number Publication Date
ITFI20130204A1 true ITFI20130204A1 (it) 2015-03-04

Family

ID=49554345

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000204A ITFI20130204A1 (it) 2013-09-03 2013-09-03 "fan-cooled electrical machine with axial thrust compensation"

Country Status (10)

Country Link
US (1) US10218245B2 (https=)
EP (1) EP3042440B1 (https=)
CN (1) CN105684274B (https=)
AU (1) AU2014317455B2 (https=)
BR (1) BR112016003063B1 (https=)
CA (1) CA2921769A1 (https=)
DK (1) DK3042440T3 (https=)
IT (1) ITFI20130204A1 (https=)
RU (1) RU2653862C2 (https=)
WO (1) WO2015032510A1 (https=)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170130730A1 (en) * 2015-11-10 2017-05-11 Onesubsea Ip Uk Limited Axial bearing offloading in fluid processing machines
CN106911223A (zh) * 2015-12-22 2017-06-30 佳木斯电机股份有限公司 主氦风机驱动电机
ITUA20161513A1 (it) * 2016-03-09 2017-09-09 Nuovo Pignone Tecnologie Srl Motocompressore - espantore integrato
US10358221B2 (en) * 2016-08-23 2019-07-23 Ge Aviation Systems Llc Hybrid method and aircraft for pre-cooling an environmental control system using a power generator four wheel turbo-machine
JP6755786B2 (ja) * 2016-12-05 2020-09-16 日本電産コパル電子株式会社 送風機およびその送風機を備えた送風システム
DE102017211940A1 (de) * 2017-07-12 2019-01-17 Bayerische Motoren Werke Aktiengesellschaft Brennstoffzellensystem für ein Kraftfahrzeug sowie Strömungsmaschine für ein Brennstoffzellensystem
IT201700097796A1 (it) * 2017-08-31 2019-03-03 Nuovo Pignone Tecnologie Srl Sistemi di turbomacchine con refrigerazione di cuscini magnetici attivi e metodo
US20190203730A1 (en) * 2017-12-29 2019-07-04 Johnson Controls Technology Company Thrust bearing placement for compressor
WO2020040774A1 (en) * 2018-08-23 2020-02-27 Dresser-Rand Company Centrifugal compressor and method for directing flow of process fluids in such a centrifugal compressor
EP3847372A4 (en) * 2018-11-19 2022-07-27 Smart E, LLC LUBRICATION FREE CENTRIFUGAL COMPRESSOR
FR3088686B1 (fr) * 2018-11-21 2021-10-01 Thermodyn Motocompresseur a plusieurs sections de compression
JP7168441B2 (ja) * 2018-12-25 2022-11-09 三菱重工業株式会社 遠心回転機械
CN109742898B (zh) * 2018-12-28 2020-11-03 西安航天泵业有限公司 一种集成式全封闭低温液力发电装置
CN110118106A (zh) * 2019-04-18 2019-08-13 华电电力科学研究院有限公司 一种基于高效径向透平的分布式余压发电系统及工作方法
US12372099B2 (en) 2019-05-06 2025-07-29 Carrier Corporation Seal assembly for compressor
US11131313B2 (en) * 2019-05-10 2021-09-28 Garrett Transportation I Inc Single-stage compressor with bleed system for thrust load alleviation
DE102019219080A1 (de) * 2019-12-06 2021-06-10 Robert Bosch Gmbh Verdichter
US11994257B2 (en) * 2020-05-13 2024-05-28 Pratt & Whitney Canada Corp. Centrifugal de-aerator for aircraft engine
CN111720356A (zh) * 2020-06-28 2020-09-29 辽宁福鞍燃气轮机有限公司 一种半开式离心压气机轴向推力平衡方法
GB2596547A (en) * 2020-06-30 2022-01-05 Dyson Technology Ltd Seal for a compressor
US11629637B2 (en) 2020-11-18 2023-04-18 Hamilton Sundstrand Corporation Supercritical carbon dioxide-cooled generator and turbine
CN113374729B (zh) * 2021-06-24 2026-04-24 珠海格力电器股份有限公司 一种循环机
US11674406B2 (en) * 2021-08-06 2023-06-13 Pratt & Whitney Canada Corp. Variable gap between impeller rotor and static structure
CN114526244B (zh) * 2022-01-26 2023-06-27 清华大学 屏蔽式旋转流体机械
JP2023148588A (ja) * 2022-03-30 2023-10-13 ダイキン工業株式会社 ターボ機械
CN114705339A (zh) * 2022-03-31 2022-07-05 清华大学 轴向力平衡装置
CN114754015B (zh) * 2022-04-19 2023-11-10 广东美芝制冷设备有限公司 风机及清洁设备
CN114991992B (zh) * 2022-06-01 2024-10-29 中国航空发动机研究院 一种桨扇结构及发动机
EP4304059A1 (en) * 2022-07-04 2024-01-10 Volvo Truck Corporation Energy transformation system
CN116146503A (zh) * 2023-02-23 2023-05-23 安徽美芝精密制造有限公司 压缩机、空调器、燃料电池模组和车辆
US12435639B2 (en) 2023-06-01 2025-10-07 Garrett Transportation I Inc. Rotating group for turbomachine having integrated wheel and labyrinth seal arrangement
US12531454B2 (en) 2023-08-29 2026-01-20 Hamilton Sundstrand Corporation Air cooled electric motor having an increased airflow and a method for increasing the airflow therein
FR3163147B1 (fr) * 2024-06-06 2026-04-24 Lair Liquide Sa Pour Letude Et Lexploitation Des Procedes Georges Claude Réfrigérateur, installation de liquéfaction et procédé.
CN119914545A (zh) * 2025-04-02 2025-05-02 东方电气集团东方电机有限公司 高温气冷堆主氦风机
CN121251597A (zh) * 2025-12-08 2026-01-02 苏州保邦电气有限公司 一种磁悬浮鼓风机的轴承保护结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2097919A5 (https=) * 1970-06-19 1972-03-03 Bbc Brown Boveri & Cie
US4074156A (en) * 1976-04-19 1978-02-14 Leeson Electric Corporation Air cooling means for dynamoelectric machine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604501A (en) * 1951-05-15 1952-07-22 Gen Electric Dynamoelectric machine
US4170435A (en) * 1977-10-14 1979-10-09 Swearingen Judson S Thrust controlled rotary apparatus
EP0078345A1 (de) * 1981-10-31 1983-05-11 Bran & Lübbe GmbH Spaltrohrmotor-Kreiselpumpe mit Axialschubausgleich
SU1035737A1 (ru) 1982-03-25 1983-08-15 Узбекский Научно-Исследовательский Институт Энергетики И Автоматики Многороторный асинхронный электродвигатель привода шпинделей хлопкоуборочной машины
US4562367A (en) * 1982-06-30 1985-12-31 Mitsubishi Denki Kabushiki Kaisha Low inertia, speed variable induction motor
US5862666A (en) 1996-12-23 1999-01-26 Pratt & Whitney Canada Inc. Turbine engine having improved thrust bearing load control
EP1048850B1 (en) 1998-01-14 2006-07-19 Ebara Corporation Centrifugal turbomachinery
US6129507A (en) 1999-04-30 2000-10-10 Technology Commercialization Corporation Method and device for reducing axial thrust in rotary machines and a centrifugal pump using same
US6680549B2 (en) 2001-11-01 2004-01-20 General Electric Company Tapered rotor-stator air gap for superconducting synchronous machine
CN200990537Y (zh) * 2006-12-18 2007-12-12 中山大洋电机股份有限公司 一种外转子电机轴与定子的减振连接装置
US7775763B1 (en) 2007-06-21 2010-08-17 Florida Turbine Technologies, Inc. Centrifugal pump with rotor thrust balancing seal
EP2103810A1 (en) 2008-03-19 2009-09-23 Siemens Aktiengesellschaft Compressor unit
RU84645U1 (ru) 2008-12-12 2009-07-10 Открытое Акционерное Общество "Агрегатное Конструкторское Бюро "Якорь" Турбоэлектрическая установка (варианты)

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2097919A5 (https=) * 1970-06-19 1972-03-03 Bbc Brown Boveri & Cie
US4074156A (en) * 1976-04-19 1978-02-14 Leeson Electric Corporation Air cooling means for dynamoelectric machine

Also Published As

Publication number Publication date
CA2921769A1 (en) 2015-03-12
CN105684274B (zh) 2019-01-11
BR112016003063A2 (https=) 2017-08-01
DK3042440T3 (da) 2023-01-09
WO2015032510A1 (en) 2015-03-12
EP3042440A1 (en) 2016-07-13
BR112016003063B1 (pt) 2022-03-15
RU2653862C2 (ru) 2018-05-15
CN105684274A (zh) 2016-06-15
US20160218590A1 (en) 2016-07-28
EP3042440B1 (en) 2022-12-21
US10218245B2 (en) 2019-02-26
RU2016105709A (ru) 2017-10-09
AU2014317455A1 (en) 2016-03-10
AU2014317455B2 (en) 2018-10-18

Similar Documents

Publication Publication Date Title
ITFI20130204A1 (it) "fan-cooled electrical machine with axial thrust compensation"
US9657744B2 (en) Midspan active magnetic bearing
CN104334887B (zh) 压缩机止推轴承喘振保护
US8899945B2 (en) Centrifugal compressor unit
CN104769231B (zh) 用于电动涡轮复合技术机器的补充空气冷却系统以及空气压力油密封系统
US20130129488A1 (en) Foil bearing supported motor-driven blower
CN110023628B (zh) 涡轮压缩机以及操作涡轮压缩机的方法
US11063494B2 (en) Electrical machine apparatus
JP6682374B2 (ja) 電動過給圧縮機
CN107438704B (zh) 涡轮膨胀器-发电机单元以及用于产生电力的方法
US10641123B1 (en) Generator cooling impeller and bearing/rotor cooling
JP2020165432A (ja) ターボ機械におけるシール隙間の制御
CN108691807A (zh) 航空发动机、离心压气机及其扩压器结构
US10808725B2 (en) Turbomachine and method of operating a turbomachine
US10323530B2 (en) Tandem magnetic seal with single magnet
KR20210016428A (ko) 베어링 섬프용 통기 시스템
CN218206862U (zh) 一种燃气轮机
US10309309B2 (en) Air guiding device and aircraft engine with air guiding device
US20250105684A1 (en) Cooling of stator and windings of electric motor in integrated compressor
IT202200021930A1 (it) Disposizione di tenuta a secco a gas, turbomachina comprendtente la disposizione e metodo
JP2022052314A (ja) ターボ圧縮機
CN119698523A (zh) 涡轮机
CN118224118A (zh) 减少轴承故障的设备
CN116324128A (zh) 具有减压装置的轴轴承组件和降低支撑轴的轴承壳体内部压力的方法