HK1010089A1 - Shaft bearing system - Google Patents

Shaft bearing system

Info

Publication number
HK1010089A1
HK1010089A1 HK98110936A HK98110936A HK1010089A1 HK 1010089 A1 HK1010089 A1 HK 1010089A1 HK 98110936 A HK98110936 A HK 98110936A HK 98110936 A HK98110936 A HK 98110936A HK 1010089 A1 HK1010089 A1 HK 1010089A1
Authority
HK
Hong Kong
Prior art keywords
shaft bearing
bearing system
shaft
bearing
Prior art date
Application number
HK98110936A
Other languages
English (en)
Inventor
Reza R Agahi
Behrooz Ershaghi
Original Assignee
Atlas Copco Rotoflow 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 Atlas Copco Rotoflow Inc filed Critical Atlas Copco Rotoflow Inc
Publication of HK1010089A1 publication Critical patent/HK1010089A1/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
    • F01D3/04—Machines or engines with axial-thrust balancing effected by working-fluid axial thrust being compensated by thrust-balancing dummy piston or the like
    • 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
    • F04D29/051—Axial thrust balancing
    • F04D29/0516—Axial thrust balancing balancing pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/04—Relieving load on bearings using hydraulic or pneumatic means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
HK98110936A 1994-06-21 1998-09-24 Shaft bearing system HK1010089A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/263,034 US6310414B1 (en) 1994-06-21 1994-06-21 Shaft bearing system
PCT/US1995/003736 WO1995035447A1 (en) 1994-06-21 1995-03-23 Shaft bearing system

Publications (1)

Publication Number Publication Date
HK1010089A1 true HK1010089A1 (en) 1999-06-11

Family

ID=23000106

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98110936A HK1010089A1 (en) 1994-06-21 1998-09-24 Shaft bearing system

Country Status (6)

Country Link
US (1) US6310414B1 (xx)
EP (1) EP0834020B1 (xx)
JP (1) JPH10502145A (xx)
DE (1) DE69510095T2 (xx)
HK (1) HK1010089A1 (xx)
WO (1) WO1995035447A1 (xx)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4024382B2 (ja) * 1998-05-15 2007-12-19 株式会社東芝 磁気軸受装置
DE19831988A1 (de) * 1998-07-16 2000-01-20 Abb Patent Gmbh Turbomaschine mit Gleitringdichtungen
DE10007865A1 (de) * 2000-02-21 2001-09-13 Felch Florian Gewinnung von elektronischer Energie aus einer Druckgaspatrone
DE10032913C2 (de) * 2000-07-06 2002-11-07 Draeger Medical Ag Gasfördereinheit für ein Beatmungssystem
US6657217B2 (en) * 2001-04-10 2003-12-02 York International Corporation Probe for sensing movement in a compressor system
DE10138056A1 (de) * 2001-08-03 2003-02-13 Atlas Copco Energas Turbomaschine
DE10216447C1 (de) * 2002-04-12 2003-09-18 Forschungszentrum Juelich Gmbh Abgasturbolader
NO323324B1 (no) * 2003-07-02 2007-03-19 Kvaerner Oilfield Prod As Fremgangsmate for regulering at trykket i en undervannskompressormodul
US20060245961A1 (en) * 2005-04-28 2006-11-02 Tecumseh Products Company Rotary compressor with permanent magnet motor
US20090113999A1 (en) * 2007-03-08 2009-05-07 General Electric Company Method for Testing a Rotor and Stator Assembly
US20080218008A1 (en) * 2007-03-08 2008-09-11 General Electric Company Rotor and Stator Assemblies that Utilize Magnetic Bearings for Use in Corrosive Environments
US8847450B2 (en) * 2007-03-08 2014-09-30 General Electric Company Encapsulated magnet assembly and process for making
US8875380B2 (en) * 2007-03-08 2014-11-04 General Electric Company Process of forming an encapsulated magnet assembly
US20080219834A1 (en) * 2007-03-08 2008-09-11 General Electric Company Rotor Shaft Assembly for Magnetic Bearings for Use in Corrosive Environments
US7847454B2 (en) * 2007-03-08 2010-12-07 General Electric Company Encapsulated stator assembly and process for making
GB2462635B (en) * 2008-08-14 2010-07-14 William Paul Hancock Turbo-machines thrust balancer
US8177476B2 (en) * 2009-03-25 2012-05-15 General Electric Company Method and apparatus for clearance control
EP2486296A4 (en) * 2009-10-09 2015-07-15 Dresser Rand Co AUXILIARY OIL TANK BEARING SYSTEM FOR A MAGNETIC ROTOR SYSTEM
WO2011044432A2 (en) * 2009-10-09 2011-04-14 Dresser-Rand Company Auxiliary bearing system with plurality of inertia rings for magnetically supported rotor system
WO2011044428A2 (en) * 2009-10-09 2011-04-14 Dresser-Rand Company Auxiliary bearing system for magnetically supported rotor system
EP2486295B1 (en) * 2009-10-09 2018-03-14 Dresser-Rand Company Auxiliary bearing system with oil ring for magnetically supported rotor system
EP2516864A1 (en) 2009-12-23 2012-10-31 William Paul Hancock Turbo-machine thrust balancer
US8353633B2 (en) 2010-01-15 2013-01-15 Dresser-Rand Company Bearing assembly support and adjustment system
BR112012020843A8 (pt) * 2010-02-19 2018-06-19 Dresser Rand Co planos estruturais soldados em alojamentos para eliminar bocais.
KR101159054B1 (ko) * 2010-03-03 2012-06-25 주식회사 디엔엠 테크놀로지 능동형 자기 베어링
WO2011119242A2 (en) 2010-03-24 2011-09-29 Dresser-Rand Company Press-fitting corrosion resistant liners in nozzles and casings
JP5517785B2 (ja) * 2010-06-30 2014-06-11 三菱重工業株式会社 蒸気タービンおよび蒸気タービンのスラスト調整方法
US8994237B2 (en) 2010-12-30 2015-03-31 Dresser-Rand Company Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems
WO2013109235A2 (en) 2010-12-30 2013-07-25 Dresser-Rand Company Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems
US9551349B2 (en) 2011-04-08 2017-01-24 Dresser-Rand Company Circulating dielectric oil cooling system for canned bearings and canned electronics
US8876389B2 (en) 2011-05-27 2014-11-04 Dresser-Rand Company Segmented coast-down bearing for magnetic bearing systems
US8851756B2 (en) 2011-06-29 2014-10-07 Dresser-Rand Company Whirl inhibiting coast-down bearing for magnetic bearing systems
DE102011051885A1 (de) * 2011-07-15 2013-01-17 Atlas Copco Energas Gmbh Turbomaschine
US8925197B2 (en) * 2012-05-29 2015-01-06 Praxair Technology, Inc. Compressor thrust bearing surge protection
KR102071453B1 (ko) * 2013-07-26 2020-01-30 한국조선해양 주식회사 축하중 저감 수단이 구비되는 터보발전기
JP6276000B2 (ja) * 2013-11-11 2018-02-07 株式会社前川製作所 膨張機一体型圧縮機及び冷凍機並びに冷凍機の運転方法
CN106460649B (zh) 2014-06-20 2019-01-11 株式会社Ihi 增压器
US10415857B2 (en) * 2015-05-01 2019-09-17 Mayekawa Mfg. Co., Ltd. Refrigerator and operation method for refrigerator
CN105485164B (zh) * 2015-12-28 2018-03-09 宁波达奋精工轴承有限公司 磁轴承空气辅助装置
CN105485165B (zh) * 2015-12-28 2018-03-09 宁波达奋精工轴承有限公司 一种磁轴承空气辅助装置
DE102016203423A1 (de) * 2016-03-02 2017-09-07 Dürr Systems Ag Gasturbinensystem
CN110552746A (zh) * 2018-06-01 2019-12-10 至玥腾风科技投资集团有限公司 一种转子系统和燃气轮机发电机组
US11603853B2 (en) 2018-09-14 2023-03-14 Carrier Corporation Compressor configured to control pressure against magnetic motor thrust bearings
US11560900B2 (en) 2020-06-09 2023-01-24 Emerson Climate Technologies, Inc. Compressor driveshaft assembly and compressor including same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895689A (en) * 1970-01-07 1975-07-22 Judson S Swearingen Thrust bearing lubricant measurement and balance
US4385768A (en) * 1979-07-19 1983-05-31 Rotoflow Corporation, Inc. Shaft mounting device and method
DE3343186A1 (de) * 1983-11-29 1985-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Magnetische rotorlagerung
FR2613791B1 (fr) * 1987-04-09 1992-03-13 Europ Propulsion Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active
JPH01187395A (ja) 1988-01-21 1989-07-26 Mitsubishi Heavy Ind Ltd オイルレス圧縮機
US5347190A (en) * 1988-09-09 1994-09-13 University Of Virginia Patent Foundation Magnetic bearing systems
US5104284A (en) 1990-12-17 1992-04-14 Dresser-Rand Company Thrust compensating apparatus
JP3143986B2 (ja) * 1991-10-14 2001-03-07 株式会社日立製作所 一軸多段遠心圧縮機
US5248239A (en) 1992-03-19 1993-09-28 Acd, Inc. Thrust control system for fluid handling rotary apparatus
GB2268983B (en) * 1992-07-23 1996-04-03 Glacier Metal Co Ltd Magnetic bearing back-up
US5310311A (en) * 1992-10-14 1994-05-10 Barber-Colman Company Air cycle machine with magnetic bearings
JPH1187395A (ja) * 1997-09-05 1999-03-30 Hitachi Ltd ワイヤボンディング方法および装置

Also Published As

Publication number Publication date
DE69510095T2 (de) 1999-12-23
WO1995035447A1 (en) 1995-12-28
DE69510095D1 (de) 1999-07-08
US6310414B1 (en) 2001-10-30
JPH10502145A (ja) 1998-02-24
EP0834020A1 (en) 1998-04-08
EP0834020B1 (en) 1999-06-02

Similar Documents

Publication Publication Date Title
HK1010089A1 (en) Shaft bearing system
GB2292192B (en) Journal bearings
GB2294058B (en) Rolling bearing
GB2304832B (en) Porous-plastic bearing
HUT77276A (hu) Önbeálló forgórész
GB2310691B (en) Bearing structure
GB2292389B (en) Rolling bearing
GB2293214B (en) Rolling bearing
GB2292980B (en) Bearing assembly
GB2290837B (en) Bearing
GB9500406D0 (en) Improved bearing assembly
EP0692647A3 (en) Bearing
EP0735645A3 (en) Arrangement of a motor bearing
GB2291651B (en) Rolling bearing
GB2298684B (en) Bearing arrangement
GB2320530B (en) Improved bearing
GB2342128B (en) Porous-plastic bearing
GB9405754D0 (en) Bearings
GB9501148D0 (en) Bearing arrangements
GB9603617D0 (en) Bearings
GB2323097B (en) Rolling bearing
GB2331527B (en) Rolling bearing
GB9418973D0 (en) Bearing assembly
GB9701776D0 (en) Bearings
GB2317423B (en) Bearing

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080323