FR2504620B1 - Palier a fluide du type a pression dynamique - Google Patents

Palier a fluide du type a pression dynamique

Info

Publication number
FR2504620B1
FR2504620B1 FR8207227A FR8207227A FR2504620B1 FR 2504620 B1 FR2504620 B1 FR 2504620B1 FR 8207227 A FR8207227 A FR 8207227A FR 8207227 A FR8207227 A FR 8207227A FR 2504620 B1 FR2504620 B1 FR 2504620B1
Authority
FR
France
Prior art keywords
dynamic pressure
pressure type
type fluid
fluid bearing
bearing
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
FR8207227A
Other languages
English (en)
Other versions
FR2504620A1 (fr
Inventor
Ikunori Sakatani
Katsuhiko Tanaka
Masaru Tamaki
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.)
NSK Ltd
Original Assignee
NSK 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 NSK Ltd filed Critical NSK Ltd
Publication of FR2504620A1 publication Critical patent/FR2504620A1/fr
Application granted granted Critical
Publication of FR2504620B1 publication Critical patent/FR2504620B1/fr
Expired legal-status Critical Current

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
    • 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
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • 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
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • 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
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep 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
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
FR8207227A 1981-04-27 1982-04-27 Palier a fluide du type a pression dynamique Expired FR2504620B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5979081 1981-04-27
JP6436681 1981-05-06

Publications (2)

Publication Number Publication Date
FR2504620A1 FR2504620A1 (fr) 1982-10-29
FR2504620B1 true FR2504620B1 (fr) 1986-05-16

Family

ID=26400869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8207227A Expired FR2504620B1 (fr) 1981-04-27 1982-04-27 Palier a fluide du type a pression dynamique

Country Status (3)

Country Link
US (1) US4798476A (fr)
FR (1) FR2504620B1 (fr)
NL (1) NL8201747A (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834227A (ja) * 1981-08-26 1983-02-28 Nippon Seiko Kk 動圧形流体軸受
US4575311A (en) * 1981-12-21 1986-03-11 Indal Technologies Inc. Gear box assembly-upper head assembly
JPS6026676U (ja) * 1983-07-28 1985-02-22 日本精工株式会社 磁気ディスク記憶装置
JPH01279113A (ja) * 1988-04-30 1989-11-09 Nippon Ferrofluidics Kk 真空装置用の軸受装置
US5018880A (en) * 1988-06-28 1991-05-28 Canon Kabushiki Kaisha Dynamic pressure bearing device
EP0349260B1 (fr) * 1988-06-28 1995-02-22 Canon Kabushiki Kaisha Palier à fluide à pression dynamique
US4934836A (en) * 1988-08-18 1990-06-19 Nippon Seiko Kabushiki Kaisha Dynamic pressure type fluid bearing device
DE69025485T2 (de) * 1989-04-03 1996-07-25 Canon Kk Hydrodynamische Lagereinrichtung
US5114245A (en) * 1989-07-17 1992-05-19 Nippon Seiko Kabushiki Kaisha Dynamic pressure bearing device
DE3942612C2 (de) * 1989-12-25 2003-05-08 Rieter Ingolstadt Spinnerei Offenend-Spinnvorrichtung
JPH044310A (ja) * 1990-04-18 1992-01-08 Matsushita Electric Ind Co Ltd 動圧型気体軸受装置
US5277499A (en) * 1990-10-04 1994-01-11 Canon Kabushiki Kaisha Dynamic pressure bearing apparatus
DE4111542C2 (de) * 1991-04-09 2002-05-02 Pierburg Ag Mehrgleitflächenlager
JPH0512793A (ja) * 1991-07-04 1993-01-22 Matsushita Electric Ind Co Ltd 軸受装置
JPH0755440B2 (ja) * 1992-03-05 1995-06-14 工業技術院長 精密加工機用静圧主軸の熱変位履歴改善方法
US5559382A (en) * 1992-10-01 1996-09-24 Nidec Corporation Spindle motor
JP3126880B2 (ja) * 1994-08-03 2001-01-22 ミネベア株式会社 モータの軸受装置
JPH0979263A (ja) * 1995-09-20 1997-03-25 Hitachi Ltd 軸受装置及びこれを備えたスピンドルモ−タ
US5868628A (en) * 1996-10-02 1999-02-09 Universal City Studios, Inc. Live-action theater
KR19980030901A (ko) * 1996-10-30 1998-07-25 김광호 가변 간극을 갖는 드러스트 베어링 장치
KR100247356B1 (ko) * 1996-11-09 2000-03-15 윤종용 모터
DE19781916T1 (de) * 1996-12-20 2000-06-21 Seagate Technology Konisches hydrodynamisches Lager mit zwei unabhängigen Zirkulationswegen
JP3602732B2 (ja) * 1999-01-06 2004-12-15 株式会社三協精機製作所 モータ
JP2000320545A (ja) * 1999-05-07 2000-11-24 Sumitomo Electric Ind Ltd 動圧気体軸受
KR100329709B1 (ko) * 1999-08-31 2002-03-21 이계안 버스의 스윙암 도어용 회전축 구조
US6828709B2 (en) * 2002-08-19 2004-12-07 Seagate Technology Llc Motor having a fluid dynamic bearing with a radial capillary seal and re-circulation
US7063462B2 (en) * 2002-08-19 2006-06-20 Seagate Technology Llc Asymmetry pressure regulation and check valve device for fluid dynamic bearing
US7956499B2 (en) * 2005-06-02 2011-06-07 Seagate Technology Llc Motor magnetic force attenuator
US20060283227A1 (en) * 2005-06-20 2006-12-21 Monahan Joseph J Rolling mill roller guide
WO2017066032A1 (fr) * 2015-10-11 2017-04-20 Schlumberger Technology Corporation Ventilation de gaz de palier de butée d'un système de pompage submersible
CA3041312A1 (fr) 2016-10-23 2018-04-26 Schlumberger Canada Limited Purge de gaz pour systeme de pompe electrique immergee

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1357420A (en) * 1917-10-16 1920-11-02 American Laundry Mach Co Self-lubricating bearing
US2048708A (en) * 1935-03-02 1936-07-28 Pfanstiehl Chemical Company Electric meter bearing
US2722463A (en) * 1952-01-04 1955-11-01 Milton C Shaw Hydrodynamic bearing
US2756115A (en) * 1952-10-09 1956-07-24 Gen Motors Corp Pneumatic bearing construction
NL282966A (fr) * 1962-09-06
NL6512869A (fr) * 1965-10-05 1967-04-06
NL151477B (nl) * 1967-03-31 1976-11-15 Philips Nv Hydrodynamisch glijleger voor het opnemen van axiale en radiale belastingen.
NL6704587A (fr) * 1967-03-31 1968-10-01
NL6704590A (fr) * 1967-03-31 1968-10-01
GB1337621A (en) * 1971-01-01 1973-11-14 Atomic Energy Authority Uk Air bearings
JPS5298848A (en) * 1976-02-17 1977-08-19 Toyoda Mach Works Ltd Fluid bearing
DE3001115A1 (de) * 1980-01-14 1981-07-16 Gerätewerk Lahr GmbH, 7630 Lahr Selbstschmierendes gleitlager fuer eine welle, insbesondere eine plattentellerwelle eines plattenspielers

Also Published As

Publication number Publication date
NL8201747A (nl) 1982-11-16
FR2504620A1 (fr) 1982-10-29
US4798476A (en) 1989-01-17

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse