JPWO2021193743A1 - - Google Patents
Info
- Publication number
- JPWO2021193743A1 JPWO2021193743A1 JP2022510612A JP2022510612A JPWO2021193743A1 JP WO2021193743 A1 JPWO2021193743 A1 JP WO2021193743A1 JP 2022510612 A JP2022510612 A JP 2022510612A JP 2022510612 A JP2022510612 A JP 2022510612A JP WO2021193743 A1 JPWO2021193743 A1 JP WO2021193743A1
- 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
Links
Classifications
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- 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
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- 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
-
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/0633—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being retained in a gap
-
- 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
- F16C33/741—Sealings of sliding-contact bearings by means of a fluid
-
- 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
- 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
- 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
- F16J15/3424—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 microcavities
-
- 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
- F16C17/047—Sliding-contact bearings for exclusively rotary movement for axial load only with fixed wedges to generate hydrodynamic pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Sealing (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020055785 | 2020-03-26 | ||
JP2020055785 | 2020-03-26 | ||
PCT/JP2021/012316 WO2021193743A1 (ja) | 2020-03-26 | 2021-03-24 | 摺動部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021193743A1 true JPWO2021193743A1 (ja) | 2021-09-30 |
JP7520470B2 JP7520470B2 (ja) | 2024-07-23 |
Family
ID=77892243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022510612A Active JP7520470B2 (ja) | 2020-03-26 | 2021-03-24 | 摺動部品 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230151848A1 (ja) |
EP (1) | EP4130499A4 (ja) |
JP (1) | JP7520470B2 (ja) |
KR (1) | KR20220144847A (ja) |
CN (1) | CN115280047A (ja) |
WO (1) | WO2021193743A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023242802A1 (en) * | 2022-06-15 | 2023-12-21 | John Crane Inc. | Ring with recirculating grooves for dry gas seal |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6231775A (ja) | 1985-07-31 | 1987-02-10 | Ebara Res Co Ltd | 軸封装置 |
DE3819566A1 (de) * | 1988-06-09 | 1989-12-14 | Kernforschungsz Karlsruhe | Spaltdichtung |
CN1069750C (zh) * | 1997-10-17 | 2001-08-15 | 王玉明 | 螺旋槽端面密封 |
US6152452A (en) * | 1997-10-17 | 2000-11-28 | Wang; Yuming | Face seal with spiral grooves |
US20050094906A1 (en) * | 2003-09-22 | 2005-05-05 | Relial Corporation | Dynamic pressure thrust bearing part and method of manufacturing dynamic pressure thrust bearing part |
CN101975274B (zh) * | 2010-11-03 | 2012-11-21 | 浙江工业大学 | 一种自密封零泄漏疏水型面机械密封端面结构 |
AU2015281105B2 (en) * | 2014-06-26 | 2017-08-31 | Eagle Industry Co., Ltd. | Sliding component |
US9714712B2 (en) * | 2014-08-15 | 2017-07-25 | Eaton Corporation | Hydrodynamic mating ring with integrated groove inlet pressure control |
BR112017022194A2 (ja) * | 2015-04-15 | 2018-07-03 | Eagle Industry Co., Ltd. | Sliding component |
EP3318784B1 (en) * | 2015-06-30 | 2020-07-01 | Eagle Industry Co., Ltd. | Seal device |
CN110168264B (zh) * | 2017-01-30 | 2021-06-15 | 伊格尔工业股份有限公司 | 滑动部件 |
JP7292813B2 (ja) * | 2019-02-04 | 2023-06-19 | イーグル工業株式会社 | 摺動部品 |
US20220120315A1 (en) * | 2019-02-04 | 2022-04-21 | Eagle Industry Co., Ltd. | Sliding component |
KR102682943B1 (ko) * | 2019-02-14 | 2024-07-08 | 이구루코교 가부시기가이샤 | 슬라이딩 부품 |
-
2021
- 2021-03-24 EP EP21777089.0A patent/EP4130499A4/en active Pending
- 2021-03-24 KR KR1020227032878A patent/KR20220144847A/ko not_active Application Discontinuation
- 2021-03-24 US US17/913,154 patent/US20230151848A1/en active Pending
- 2021-03-24 JP JP2022510612A patent/JP7520470B2/ja active Active
- 2021-03-24 CN CN202180021096.8A patent/CN115280047A/zh active Pending
- 2021-03-24 WO PCT/JP2021/012316 patent/WO2021193743A1/ja unknown
Also Published As
Publication number | Publication date |
---|---|
EP4130499A4 (en) | 2024-04-10 |
CN115280047A (zh) | 2022-11-01 |
KR20220144847A (ko) | 2022-10-27 |
WO2021193743A1 (ja) | 2021-09-30 |
US20230151848A1 (en) | 2023-05-18 |
JP7520470B2 (ja) | 2024-07-23 |
EP4130499A1 (en) | 2023-02-08 |
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