GB2290355A - Bearing device - Google Patents

Bearing device

Info

Publication number
GB2290355A
GB2290355A GB9515610A GB9515610A GB2290355A GB 2290355 A GB2290355 A GB 2290355A GB 9515610 A GB9515610 A GB 9515610A GB 9515610 A GB9515610 A GB 9515610A GB 2290355 A GB2290355 A GB 2290355A
Authority
GB
United Kingdom
Prior art keywords
bearing device
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.)
Granted
Application number
GB9515610A
Other versions
GB2290355B (en
GB9515610D0 (en
Inventor
Daisuke Konno
Yumiko Noda
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.)
Ebara Corp
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Publication of GB9515610D0 publication Critical patent/GB9515610D0/en
Publication of GB2290355A publication Critical patent/GB2290355A/en
Application granted granted Critical
Publication of GB2290355B publication Critical patent/GB2290355B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Valve Device For Special Equipments (AREA)
  • Vehicle Body Suspensions (AREA)
GB9515610A 1993-02-09 1993-02-09 Bearing device Expired - Fee Related GB2290355B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1993/000166 WO1994018464A1 (en) 1993-02-09 1993-02-09 Bearing device

Publications (3)

Publication Number Publication Date
GB9515610D0 GB9515610D0 (en) 1995-10-11
GB2290355A true GB2290355A (en) 1995-12-20
GB2290355B GB2290355B (en) 1996-11-06

Family

ID=14070114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9515610A Expired - Fee Related GB2290355B (en) 1993-02-09 1993-02-09 Bearing device

Country Status (5)

Country Link
EP (1) EP0680568A1 (en)
DE (2) DE9390304U1 (en)
GB (1) GB2290355B (en)
NL (1) NL9320055A (en)
WO (1) WO1994018464A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004045629B4 (en) * 2004-09-21 2008-07-03 Minebea Co., Ltd. Fluid dynamic storage system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420583A (en) * 1965-05-21 1969-01-07 Tno Bearing for radial and axial loads
US3439961A (en) * 1967-04-07 1969-04-22 Singer General Precision Bifluid hydrodynamic bearing
GB2149027A (en) * 1983-10-27 1985-06-05 Ferrofluidics Corp Ferrofluid bearing and seal apparatus
JPS612915A (en) * 1984-06-15 1986-01-08 Canon Inc Rotary device
US4934836A (en) * 1988-08-18 1990-06-19 Nippon Seiko Kabushiki Kaisha Dynamic pressure type fluid bearing device
JPH03163216A (en) * 1989-11-20 1991-07-15 Nippon Seiko Kk Fluid bearing device
US5114245A (en) * 1989-07-17 1992-05-19 Nippon Seiko Kabushiki Kaisha Dynamic pressure bearing device
US5141338A (en) * 1989-11-10 1992-08-25 Matsushita Electric Industrial Co., Ltd. Dynamic pressure type fluid bearing apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420583A (en) * 1965-05-21 1969-01-07 Tno Bearing for radial and axial loads
US3439961A (en) * 1967-04-07 1969-04-22 Singer General Precision Bifluid hydrodynamic bearing
GB2149027A (en) * 1983-10-27 1985-06-05 Ferrofluidics Corp Ferrofluid bearing and seal apparatus
JPS612915A (en) * 1984-06-15 1986-01-08 Canon Inc Rotary device
US4934836A (en) * 1988-08-18 1990-06-19 Nippon Seiko Kabushiki Kaisha Dynamic pressure type fluid bearing device
US5114245A (en) * 1989-07-17 1992-05-19 Nippon Seiko Kabushiki Kaisha Dynamic pressure bearing device
US5141338A (en) * 1989-11-10 1992-08-25 Matsushita Electric Industrial Co., Ltd. Dynamic pressure type fluid bearing apparatus
JPH03163216A (en) * 1989-11-20 1991-07-15 Nippon Seiko Kk Fluid bearing device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATS ABS. JP. vol. 015, no. 400 M-1167 1991 & JP 03 163 216 A NIPPON SEIKO KK 15.7.1991 *
PATS ABS. JP. vol. 10, no. 146 M-482 2203 1986 & JP 61 002 915 A CANNON K.K. 8.1.1986 *

Also Published As

Publication number Publication date
NL9320055A (en) 1995-12-01
GB2290355B (en) 1996-11-06
DE9390304U1 (en) 1995-11-23
DE4397188T1 (en) 1996-01-11
WO1994018464A1 (en) 1994-08-18
EP0680568A1 (en) 1995-11-08
GB9515610D0 (en) 1995-10-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970209