FR2521794B1 - Moteur electrique pour imprimante a laser - Google Patents

Moteur electrique pour imprimante a laser

Info

Publication number
FR2521794B1
FR2521794B1 FR8302348A FR8302348A FR2521794B1 FR 2521794 B1 FR2521794 B1 FR 2521794B1 FR 8302348 A FR8302348 A FR 8302348A FR 8302348 A FR8302348 A FR 8302348A FR 2521794 B1 FR2521794 B1 FR 2521794B1
Authority
FR
France
Prior art keywords
spindle
axis
electric motor
laser printer
magnets
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.)
Expired
Application number
FR8302348A
Other languages
English (en)
Other versions
FR2521794A1 (fr
Inventor
Masashi Kamiya
Mitsuo Sumiya
Ryoji Yamaguchi
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of FR2521794A1 publication Critical patent/FR2521794A1/fr
Application granted granted Critical
Publication of FR2521794B1 publication Critical patent/FR2521794B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02K7/09—Structural association with bearings with magnetic bearings
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • 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
    • F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
    • 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
    • F16C32/0408—Passive magnetic bearings
    • F16C32/041—Passive magnetic bearings with permanent magnets on one part attracting the other part
    • F16C32/0417—Passive magnetic bearings with permanent magnets on one part attracting the other part for axial load mainly
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1005—Construction relative to lubrication with gas, e.g. air, as lubricant
    • F16C33/101—Details of the bearing surface, e.g. means to generate pressure such as lobes or wedges
    • F16C33/1015—Pressure generating grooves
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/121—Mechanical drive devices for polygonal mirrors
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/20—Optical, e.g. movable lenses or mirrors; Spectacles
    • F16C2370/22—Polygon mirror

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Sliding-Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)
FR8302348A 1982-02-13 1983-02-14 Moteur electrique pour imprimante a laser Expired FR2521794B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57020681A JPS58142025A (ja) 1982-02-13 1982-02-13 スピンドル装置

Publications (2)

Publication Number Publication Date
FR2521794A1 FR2521794A1 (fr) 1983-08-19
FR2521794B1 true FR2521794B1 (fr) 1988-09-30

Family

ID=12033914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8302348A Expired FR2521794B1 (fr) 1982-02-13 1983-02-14 Moteur electrique pour imprimante a laser

Country Status (4)

Country Link
US (1) US4538081A (fr)
JP (1) JPS58142025A (fr)
FR (1) FR2521794B1 (fr)
GB (1) GB2115082B (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165592B (en) * 1984-10-04 1988-06-22 Sperry Sun Inc Devices for imparting rotary motion
US4726640A (en) * 1985-09-24 1988-02-23 Ricoh Company, Ltd. Optical deflector with a pneumatic and a magnetic bearing
JPS6388314A (ja) * 1986-09-30 1988-04-19 Toshiba Corp 動圧空気軸受
US4998033A (en) * 1989-04-12 1991-03-05 Ebara Corporation Gas dynamic bearing for spindle motor
US5270737A (en) * 1990-02-27 1993-12-14 Canon Kabushiki Kaisha Light deflecting apparatus
US5019738A (en) * 1990-07-16 1991-05-28 Lincoln Laser Company Self-pressurizing gas supported surface-roughness bearing
DE4025610A1 (de) * 1990-08-13 1992-02-20 Fortuna Werke Maschf Ag Hochgeschwindigkeits- bohr- oder fraesspindel
JP2946793B2 (ja) * 1991-03-19 1999-09-06 ブラザー工業株式会社 光偏向器
JPH04307108A (ja) * 1991-04-04 1992-10-29 Ebara Corp 動圧軸受装置
US5172021A (en) * 1991-07-03 1992-12-15 Fuji Xerox Co., Ltd. Deflector motor with gas bearing and magnet thrust bearing
GB2258699A (en) * 1991-08-10 1993-02-17 Rolls Royce Business Ventures Shaft bearing arrangement
JP2902262B2 (ja) * 1993-03-29 1999-06-07 光洋精工株式会社 動圧軸受
JPH0756099A (ja) * 1993-06-07 1995-03-03 Minolta Co Ltd 回転偏向器及び光ビーム走査光学装置
US5541460A (en) * 1994-02-25 1996-07-30 Seagate Technology, Inc. Passive magnetic bearings for a spindle motor
US5921731A (en) * 1996-12-31 1999-07-13 The Ingersoll Milling Machine Company High speed hydrostatic spindle
US6036413A (en) * 1997-01-02 2000-03-14 The Ingersoll Milling Machine Company High speed hydrodynamic spindle
JPH11136915A (ja) * 1997-10-31 1999-05-21 Mitsuhiro Fukada 永久磁石型発電機
DE19823630C2 (de) * 1998-05-27 2003-08-21 Pmdm Prec Motors Deutsche Mine Motorlager für schnelldrehende Kleinmotoren
US6057619A (en) * 1998-12-22 2000-05-02 Sundstrand Corporation Stress relief in a magnetic thrust bearing
US6508614B1 (en) * 1999-03-17 2003-01-21 Ntn Corporation Spindle device and machine tool utilizing the same
JP2002122137A (ja) * 2000-10-10 2002-04-26 Sankyo Seiki Mfg Co Ltd 軸受装置
US20030185472A1 (en) 2002-03-13 2003-10-02 Aiello Anthony Joseph Single thrust bearing fluid dynamic bearing motor
US7063462B2 (en) * 2002-08-19 2006-06-20 Seagate Technology Llc Asymmetry pressure regulation and check valve device for fluid dynamic bearing
ITFI20070230A1 (it) * 2007-10-22 2009-04-23 Perini Fabio Spa "tubiera con un supporto magnetico per il mandrino avvolgitore"
US9181978B2 (en) 2013-04-10 2015-11-10 Seagate Technology Llc Grooved thrust bearing
CN108518347B (zh) * 2018-06-11 2024-03-15 杭州大路实业有限公司 一种一体化轴向悬浮永磁同步屏蔽泵
US20200309191A1 (en) * 2019-03-29 2020-10-01 Nidec Corporation Gas dynamic pressure bearing, motor, and fan motor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB550788A (en) * 1940-10-04 1943-01-25 British Thomson Houstion Compa Improvements in and relating to electric meters and instruments
FR1341661A (fr) * 1962-09-20 1963-11-02 Rateau Soc Perfectionnement aux machines tournantes comprenant un moteur électrique et des paliers à portance dynamique
US3384427A (en) * 1964-08-27 1968-05-21 Gen Electric Integral fluid-film magnetic bearing
NL145931B (nl) * 1965-05-21 1975-05-15 Tno Inrichting voorzien van een aero- of hydrostatisch leger.
DE1575375C3 (de) * 1966-06-03 1974-04-04 Aktiebolaget-Svenska Kullagerfabriken, Goeteborg (Schweden) Dynamisch-statisches Gleitlager für radiale und beliebig gerichtete axiale Belastung
DE1291575B (de) * 1966-10-26 1969-03-27 Heliowatt Werke Elek Zitaets G Magnetische Aufhaengung senkrechter Wellen von Instrumenten oder Apparaten, insbesondere von Elektrizitaetszaehlern
NL160638C (nl) * 1969-08-29 1979-11-15 Tno Aero- of hydrostatisch leger.
US3612630A (en) * 1970-01-23 1971-10-12 Ferrofluidics Corp Bearing arrangement with magnetic fluid defining bearing pads
GB2046370B (en) * 1979-01-13 1983-06-15 Nippon Telegraph & Telephone Gas bearing
GB2064676B (en) * 1979-11-30 1984-05-02 Gkn Bound Brook Ltd Bearings

Also Published As

Publication number Publication date
FR2521794A1 (fr) 1983-08-19
JPS58142025A (ja) 1983-08-23
GB8303642D0 (en) 1983-03-16
JPS6110690B2 (fr) 1986-03-31
US4538081A (en) 1985-08-27
GB2115082A (en) 1983-09-01
GB2115082B (en) 1986-01-02

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse