EP1817505A4 - Bearing with permanent magnetic elements - Google Patents

Bearing with permanent magnetic elements

Info

Publication number
EP1817505A4
EP1817505A4 EP05779375A EP05779375A EP1817505A4 EP 1817505 A4 EP1817505 A4 EP 1817505A4 EP 05779375 A EP05779375 A EP 05779375A EP 05779375 A EP05779375 A EP 05779375A EP 1817505 A4 EP1817505 A4 EP 1817505A4
Authority
EP
European Patent Office
Prior art keywords
bearing
permanent magnetic
magnetic elements
elements
permanent
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
EP05779375A
Other languages
German (de)
French (fr)
Other versions
EP1817505A1 (en
Inventor
Normann Sandoey
Reidar Vaardal
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.)
Inpower AS
Original Assignee
NORPROPELLER AS
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 NORPROPELLER AS filed Critical NORPROPELLER AS
Publication of EP1817505A1 publication Critical patent/EP1817505A1/en
Publication of EP1817505A4 publication Critical patent/EP1817505A4/en
Ceased legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/06Bearing arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/0408Passive magnetic bearings
    • F16C32/0423Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0427Passive magnetic bearings with permanent magnets on both parts repelling each other for axial load mainly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/0408Passive magnetic bearings
    • F16C32/0423Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0429Passive magnetic bearings with permanent magnets on both parts repelling each other for both radial and axial load, e.g. conical magnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00Relieving load on bearings
    • F16C39/06Relieving load on bearings using magnetic means
    • F16C39/063Permanent magnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00Application independent of particular apparatuses
    • F16C2300/10Application independent of particular apparatuses related to size
    • F16C2300/14Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00Articles relating to transporting
    • F16C2326/30Ships, e.g. propelling shafts and bearings therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
EP05779375A 2004-08-25 2005-08-24 Bearing with permanent magnetic elements Ceased EP1817505A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20043556A NO322779B1 (en) 2004-08-25 2004-08-25 Stock with permanent magnetic elements
PCT/NO2005/000306 WO2006022554A1 (en) 2004-08-25 2005-08-24 Bearing with permanent magnetic elements

Publications (2)

Publication Number Publication Date
EP1817505A1 EP1817505A1 (en) 2007-08-15
EP1817505A4 true EP1817505A4 (en) 2012-03-07

Family

ID=35044506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05779375A Ceased EP1817505A4 (en) 2004-08-25 2005-08-24 Bearing with permanent magnetic elements

Country Status (3)

Country Link
EP (1) EP1817505A4 (en)
NO (1) NO322779B1 (en)
WO (1) WO2006022554A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007032443A1 (en) 2007-07-10 2009-01-15 Voith Patent Gmbh Hybrid bearing and method for its production
IT1390881B1 (en) * 2008-07-17 2011-10-19 Zeta Camini S R L FUME EXTRACTOR FIXTURE FOR CHIMNEY, CHIMNEYS, SMOKE AND SIMILAR CANES
DE102008038067A1 (en) * 2008-08-16 2010-02-18 Schaeffler Kg Storage arrangement for a machine table with magnetic discharge
NO331651B1 (en) * 2009-05-20 2012-02-13 Rolls Royce Marine As Storage of propeller unit for a vessel
GB2479367A (en) * 2010-04-06 2011-10-12 Donald Robertson Hubless turbine tube
CN103003563A (en) 2010-04-30 2013-03-27 清流合伙有限公司 Unidirectional hydro turbine with enhanced duct, blades and generator
EP2762985B1 (en) 2013-02-04 2018-04-04 Montres Breguet SA Magnetic or electrostatic pivot of a clock mobile
CN103629232A (en) * 2013-11-18 2014-03-12 钱坤喜 Permanent-magnetic de-loading radial roller bearing
CN103629233A (en) * 2013-11-18 2014-03-12 钱坤喜 Permanent-magnetic de-loading axial roller bearing
EP2886890B1 (en) * 2013-12-18 2019-06-26 Skf Magnetic Mechatronics Thrust disc, magnetic bearing and apparatus
DE102021111401A1 (en) * 2021-05-03 2022-11-03 Rosen Swiss Ag Propulsion device for propelling a watercraft

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2136371A1 (en) * 1971-07-21 1973-02-01 Braun Karl MAGNETIC STORAGE OF SHAFTS OR THE LIKE
JPS50145750A (en) * 1974-05-17 1975-11-22
US4379598A (en) * 1980-12-22 1983-04-12 North American Philips Corporation Magnetic bearing
JPS5883552A (en) * 1981-11-12 1983-05-19 Hitachi Koki Co Ltd Rotary machine
DE3638129A1 (en) * 1986-11-08 1988-05-11 Licentia Gmbh Large diameter turbogenerator for generating electrical energy at high power
DE10062065A1 (en) * 2000-12-13 2002-03-28 Siemens Ag Magnetic bearing device e.g. for electrical machine shaft, uses opposing magnets for supporting rotating part relative to stationary part in both axial and radial directions
US20030052558A1 (en) * 2001-09-17 2003-03-20 Brackett Norman C. Repulsive lift systems, flywheel energy storage systems utilizing such systems and methods related thereto

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180296A (en) * 1978-01-06 1979-12-25 Societe Europeenne De Propulsion Axial electromagnetic bearing for a shaft rotating at high speed
JPS5937332A (en) * 1982-08-25 1984-02-29 Mitsubishi Electric Corp Thrust bearing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2136371A1 (en) * 1971-07-21 1973-02-01 Braun Karl MAGNETIC STORAGE OF SHAFTS OR THE LIKE
JPS50145750A (en) * 1974-05-17 1975-11-22
US4379598A (en) * 1980-12-22 1983-04-12 North American Philips Corporation Magnetic bearing
JPS5883552A (en) * 1981-11-12 1983-05-19 Hitachi Koki Co Ltd Rotary machine
DE3638129A1 (en) * 1986-11-08 1988-05-11 Licentia Gmbh Large diameter turbogenerator for generating electrical energy at high power
DE10062065A1 (en) * 2000-12-13 2002-03-28 Siemens Ag Magnetic bearing device e.g. for electrical machine shaft, uses opposing magnets for supporting rotating part relative to stationary part in both axial and radial directions
US20030052558A1 (en) * 2001-09-17 2003-03-20 Brackett Norman C. Repulsive lift systems, flywheel energy storage systems utilizing such systems and methods related thereto

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006022554A1 *

Also Published As

Publication number Publication date
WO2006022554A1 (en) 2006-03-02
NO322779B1 (en) 2006-12-11
NO20043556L (en) 2006-02-27
EP1817505A1 (en) 2007-08-15
NO20043556D0 (en) 2004-08-25

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