JPWO2023027102A1 - - Google Patents

Info

Publication number
JPWO2023027102A1
JPWO2023027102A1 JP2023543950A JP2023543950A JPWO2023027102A1 JP WO2023027102 A1 JPWO2023027102 A1 JP WO2023027102A1 JP 2023543950 A JP2023543950 A JP 2023543950A JP 2023543950 A JP2023543950 A JP 2023543950A JP WO2023027102 A1 JPWO2023027102 A1 JP WO2023027102A1
Authority
JP
Japan
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
JP2023543950A
Other languages
Japanese (ja)
Other versions
JP7842769B2 (ja
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 filed Critical
Publication of JPWO2023027102A1 publication Critical patent/JPWO2023027102A1/ja
Application granted granted Critical
Publication of JP7842769B2 publication Critical patent/JP7842769B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16C17/02—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
    • F16C17/045—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
    • 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
    • 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
    • F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
    • F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/42—Groove sizes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Sealing (AREA)
JP2023543950A 2021-08-26 2022-08-24 摺動部品 Active JP7842769B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021138020 2021-08-26
JP2021138020 2021-08-26
PCT/JP2022/031862 WO2023027102A1 (ja) 2021-08-26 2022-08-24 摺動部品

Publications (2)

Publication Number Publication Date
JPWO2023027102A1 true JPWO2023027102A1 (https=) 2023-03-02
JP7842769B2 JP7842769B2 (ja) 2026-04-08

Family

ID=85322789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543950A Active JP7842769B2 (ja) 2021-08-26 2022-08-24 摺動部品

Country Status (6)

Country Link
US (1) US20240344555A1 (https=)
EP (1) EP4394217A4 (https=)
JP (1) JP7842769B2 (https=)
KR (1) KR20240046244A (https=)
CN (1) CN117836546A (https=)
WO (1) WO2023027102A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4411182A4 (en) * 2021-09-28 2025-09-17 Eagle Ind Co Ltd SLIDING COMPONENT
CN117469302A (zh) * 2023-10-20 2024-01-30 昆明理工大学 一种基于水润滑碳化硅轴承表面网状织构结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08296745A (ja) * 1995-04-26 1996-11-12 Mitsubishi Heavy Ind Ltd メカニカルシール
CN210800068U (zh) * 2019-05-21 2020-06-19 昆明理工大学 一种双层螺旋槽干气密封环
WO2020130087A1 (ja) * 2018-12-21 2020-06-25 イーグル工業株式会社 摺動部品
CN213899890U (zh) * 2020-12-01 2021-08-06 四川久龙密封件制造有限公司 一种干气密封装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380040A (en) * 1964-04-01 1968-04-23 Hughes Aircraft Co Hydrodynamic bearing support for a magnetic drum
US3855624A (en) * 1973-08-15 1974-12-17 Philips Corp Grooved air bearing head
US5201531A (en) * 1992-04-02 1993-04-13 John Crane Inc. Face seal with double spiral grooves
US6152452A (en) * 1997-10-17 2000-11-28 Wang; Yuming Face seal with spiral grooves
US7044470B2 (en) * 2000-07-12 2006-05-16 Perkinelmer, Inc. Rotary face seal assembly
JP4719414B2 (ja) 2003-12-22 2011-07-06 イーグル工業株式会社 摺動部品
WO2011115073A1 (ja) * 2010-03-15 2011-09-22 イーグル工業株式会社 摺動部材
US9039013B2 (en) * 2011-05-04 2015-05-26 United Technologies Corporation Hydrodynamic non-contacting seal
US9371912B2 (en) * 2011-09-10 2016-06-21 Eagle Industry Co., Ltd. Sliding parts
US9353865B2 (en) * 2014-06-03 2016-05-31 Thermo King Corporation Mechanical face seal
WO2016104535A1 (ja) * 2014-12-22 2016-06-30 イーグル工業株式会社 すべり軸受及びポンプ
US10494941B2 (en) * 2016-10-17 2019-12-03 United Technologies Corporation Seal face plate cooling
JP7224740B2 (ja) * 2018-08-08 2023-02-20 イーグル工業株式会社 メカニカルシール
KR102669558B1 (ko) * 2019-04-09 2024-05-28 이구루코교 가부시기가이샤 슬라이딩 부품
DE102020203764A1 (de) * 2020-03-24 2021-09-30 Eagleburgmann Germany Gmbh & Co. Kg Gleitringdichtung mit verbesserter Nutanordnung
CN111306302B (zh) * 2020-04-02 2025-04-29 清华大学 可降低端面磨损的机械密封端面结构及旋转机械设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08296745A (ja) * 1995-04-26 1996-11-12 Mitsubishi Heavy Ind Ltd メカニカルシール
WO2020130087A1 (ja) * 2018-12-21 2020-06-25 イーグル工業株式会社 摺動部品
CN210800068U (zh) * 2019-05-21 2020-06-19 昆明理工大学 一种双层螺旋槽干气密封环
CN213899890U (zh) * 2020-12-01 2021-08-06 四川久龙密封件制造有限公司 一种干气密封装置

Also Published As

Publication number Publication date
CN117836546A (zh) 2024-04-05
EP4394217A4 (en) 2025-08-27
EP4394217A1 (en) 2024-07-03
US20240344555A1 (en) 2024-10-17
JP7842769B2 (ja) 2026-04-08
WO2023027102A1 (ja) 2023-03-02
KR20240046244A (ko) 2024-04-08

Similar Documents

Publication Publication Date Title
BR112023005462A2 (https=)
BR112023012656A2 (https=)
BR112021014123A2 (https=)
BR112023009656A2 (https=)
BR112022009896A2 (https=)
BR112021017747A2 (https=)
JPWO2023053964A1 (https=)
JPWO2023027102A1 (https=)
BR112022024743A2 (https=)
BR112022026905A2 (https=)
BR112023011738A2 (https=)
BR112023004146A2 (https=)
BR112023006729A2 (https=)
BR102021018859A2 (https=)
BR102021015500A2 (https=)
BR112023016292A2 (https=)
BR112023011539A2 (https=)
BR112023011610A2 (https=)
BR112023008976A2 (https=)
JPWO2022080278A1 (https=)
BR102021020147A2 (https=)
BR102021018926A2 (https=)
BR102021018167A2 (https=)
BR102021017576A2 (https=)
BR102021016375A2 (https=)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250218

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20251104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251211

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20251211

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20260317

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260327

R150 Certificate of patent or registration of utility model

Ref document number: 7842769

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150