KR20240040817A - 슬라이딩 부품 - Google Patents

슬라이딩 부품 Download PDF

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Publication number
KR20240040817A
KR20240040817A KR1020247007308A KR20247007308A KR20240040817A KR 20240040817 A KR20240040817 A KR 20240040817A KR 1020247007308 A KR1020247007308 A KR 1020247007308A KR 20247007308 A KR20247007308 A KR 20247007308A KR 20240040817 A KR20240040817 A KR 20240040817A
Authority
KR
South Korea
Prior art keywords
groove
spiral groove
sliding
space
spiral
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.)
Pending
Application number
KR1020247007308A
Other languages
English (en)
Korean (ko)
Inventor
타카히로 츠카모토
료스케 우치야마
가이 야마구치
유타 네기시
히로시 스즈키
타다츠구 이무라
이와 오우
쇼고 후쿠다
켄타 우치다
Original Assignee
이구루코교 가부시기가이샤
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 이구루코교 가부시기가이샤 filed Critical 이구루코교 가부시기가이샤
Publication of KR20240040817A publication Critical patent/KR20240040817A/ko
Pending legal-status Critical Current

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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)
KR1020247007308A 2021-08-25 2022-07-27 슬라이딩 부품 Pending KR20240040817A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2021-137308 2021-08-25
JP2021137308 2021-08-25
PCT/JP2022/028963 WO2023026756A1 (ja) 2021-08-25 2022-07-27 摺動部品

Publications (1)

Publication Number Publication Date
KR20240040817A true KR20240040817A (ko) 2024-03-28

Family

ID=85323054

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247007308A Pending KR20240040817A (ko) 2021-08-25 2022-07-27 슬라이딩 부품

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 (1)

* 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

Family Cites Families (9)

* 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
US5224714A (en) * 1990-07-18 1993-07-06 Ebara Corporation Noncontacting face seal
US6152452A (en) * 1997-10-17 2000-11-28 Wang; Yuming Face seal with spiral grooves
JP4719414B2 (ja) * 2003-12-22 2011-07-06 イーグル工業株式会社 摺動部品
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 (1)

* 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

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
EP4394214A1 (en) 2024-07-03
CN117836545A (zh) 2024-04-05
JPWO2023026756A1 (https=) 2023-03-02

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Legal Events

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PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

D21 Rejection of application intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D21-EXM-PE0902 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000