JPWO2023026756A1 - - Google Patents

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Publication number
JPWO2023026756A1
JPWO2023026756A1 JP2023543762A JP2023543762A JPWO2023026756A1 JP WO2023026756 A1 JPWO2023026756 A1 JP WO2023026756A1 JP 2023543762 A JP2023543762 A JP 2023543762A JP 2023543762 A JP2023543762 A JP 2023543762A JP WO2023026756 A1 JPWO2023026756 A1 JP WO2023026756A1
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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
JP2023543762A
Other languages
Japanese (ja)
Other versions
JP7787186B2 (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.)
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Publication date
Application filed filed Critical
Publication of JPWO2023026756A1 publication Critical patent/JPWO2023026756A1/ja
Application granted granted Critical
Publication of JP7787186B2 publication Critical patent/JP7787186B2/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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Sealing (AREA)
JP2023543762A 2021-08-25 2022-07-27 摺動部品 Active JP7787186B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021137308 2021-08-25
JP2021137308 2021-08-25
PCT/JP2022/028963 WO2023026756A1 (ja) 2021-08-25 2022-07-27 摺動部品

Publications (2)

Publication Number Publication Date
JPWO2023026756A1 true JPWO2023026756A1 (https=) 2023-03-02
JP7787186B2 JP7787186B2 (ja) 2025-12-16

Family

ID=85323054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543762A Active JP7787186B2 (ja) 2021-08-25 2022-07-27 摺動部品

Country Status (6)

Country Link
US (1) US20250137484A1 (https=)
EP (1) EP4394214A4 (https=)
JP (1) JP7787186B2 (https=)
KR (1) KR20240040817A (https=)
CN (1) CN117836545A (https=)
WO (1) WO2023026756A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117006250A (zh) * 2023-08-10 2023-11-07 中国科学院工程热物理研究所 一种双阶梯收缩型螺旋槽气膜密封结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231269A (ja) * 1983-06-14 1984-12-25 Arai Pump Mfg Co Ltd メカニカルシ−ル
JPS6182177U (https=) * 1984-11-06 1986-05-31
JPH0599344A (ja) * 1990-07-18 1993-04-20 Ebara Corp 非接触端面シール
US6152452A (en) * 1997-10-17 2000-11-28 Wang; Yuming Face seal with spiral grooves
JP2005180652A (ja) * 2003-12-22 2005-07-07 Eagle Ind Co Ltd 摺動部品

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6231775A (ja) 1985-07-31 1987-02-10 Ebara Res Co Ltd 軸封装置
US5224714A (en) * 1990-07-18 1993-07-06 Ebara Corporation Noncontacting face seal
US7377518B2 (en) * 2004-05-28 2008-05-27 John Crane Inc. Mechanical seal ring assembly with hydrodynamic pumping mechanism
WO2013006560A1 (en) * 2011-07-01 2013-01-10 Eaton Corporation Scooping hydrodynamic seal
JP7353726B2 (ja) * 2019-04-24 2023-10-02 イーグル工業株式会社 摺動部品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231269A (ja) * 1983-06-14 1984-12-25 Arai Pump Mfg Co Ltd メカニカルシ−ル
JPS6182177U (https=) * 1984-11-06 1986-05-31
JPH0599344A (ja) * 1990-07-18 1993-04-20 Ebara Corp 非接触端面シール
US6152452A (en) * 1997-10-17 2000-11-28 Wang; Yuming Face seal with spiral grooves
JP2005180652A (ja) * 2003-12-22 2005-07-07 Eagle Ind Co Ltd 摺動部品

Also Published As

Publication number Publication date
WO2023026756A1 (ja) 2023-03-02
EP4394214A4 (en) 2025-08-06
JP7787186B2 (ja) 2025-12-16
US20250137484A1 (en) 2025-05-01
KR20240040817A (ko) 2024-03-28
EP4394214A1 (en) 2024-07-03
CN117836545A (zh) 2024-04-05

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