WO2020110922A1 - 摺動部品 - Google Patents
摺動部品 Download PDFInfo
- Publication number
- WO2020110922A1 WO2020110922A1 PCT/JP2019/045728 JP2019045728W WO2020110922A1 WO 2020110922 A1 WO2020110922 A1 WO 2020110922A1 JP 2019045728 W JP2019045728 W JP 2019045728W WO 2020110922 A1 WO2020110922 A1 WO 2020110922A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dynamic pressure
- groove
- pressure generating
- sliding
- sliding surface
- Prior art date
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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
- 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
- F16J15/342—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 with means for feeding fluid directly to the face
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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
- 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
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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
- 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
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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
- 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
- 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
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
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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
- 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
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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
- 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
- F16J15/3416—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 with at least one continuous groove
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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
- F16C2361/00—Apparatus or articles in engineering in general
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- 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)
Abstract
Description
摺動面に動圧を発生するための動圧発生溝を備えた摺動部品であって、
前記動圧発生溝は、該動圧発生溝の周方向の一端側が被密封流体側に開口した導入口と、前記導入口に連通し流路が絞られた絞り部と、前記絞り部に連通し前記動圧発生溝の周方向の他端側が被密封流体側に開口した導出口と、を備えている。
これによれば、動圧発生溝の導出口が被密封流体側へ連通されているので、導入口から動圧発生溝に侵入した異物を導出口を通じて被密封流体側へ排出させることができ、動圧発生溝への異物の滞留を防止させるので、長期に亘って低漏れ、高寿命、低トルクを実現することができる。
これによれば、一方の動圧発生溝を他方の動圧発生溝と連通させ、被密封流体に含まれる異物の流動性を高めることができる。
これによれば、導入口から環状に形成された動圧発生溝に侵入した異物は、動圧発生溝を環状に循環しながらいずれかの導出口より排出されるので、異物が動圧発生溝内に滞留し難い。
これによれば、複数の動圧発生溝により潤滑性を高めるとともに、これらの動圧発生溝同士の分離した部分によって密封性を維持することができる。
これによれば、深溝に形成された導入口から多くの被密封流体を絞り部に向けて導入することができる。
これによれば、深溝に形成された導出口によって圧力開放溝の効果を奏し、被密封流体及び被密封流体に含まれる異物を導出し易い。
これによれば、導入口から侵入した異物を導出口へスムーズに排出させることができる
これによれば、導入口から侵入した異物を複数の導出口を介し排出させ易い。
これによれば、摺動時に遠心力によって被密封流体及び被密封流体に含まれる異物を導出口から排出させ易い。
2 回転軸
3 シールカバー
4 動圧発生溝
10 メカニカルシール
11 回転密封環
12 固定密封環
40a~40h 連通口(導入口、導出口)
41 絞り部
45 流路部
46a~46h 連通溝
14 動圧発生溝
140a、140b 連通口(導入口、導出口)
141 絞り部
24 動圧発生溝
240a、240b 連通口(導入口、導出口)
241 絞り部
34 動圧発生溝
340a、340b 連通口(導入口、導出口)
341 絞り部
44 動圧発生溝
440a、440b 連通口(導入口、導出口)
441 絞り部
54 動圧発生溝
540a~540c 連通口(導入口、導出口)
541 絞り部
64 動圧発生溝
640a、640b 連通口(導入口、導出口)
641 絞り部
65 連通口(導出口)
74 動圧発生溝
75 連通口(導出口)
Claims (9)
- 摺動面に動圧を発生するための動圧発生溝を備えた摺動部品であって、
前記動圧発生溝は、該動圧発生溝の周方向の一端側が被密封流体側に開口した導入口と、前記導入口に連通し流路が絞られた絞り部と、前記絞り部に連通し前記動圧発生溝の周方向の他端側が被密封流体側に開口した導出口と、を備えている摺動部品。 - 前記動圧発生溝は前記摺動面の周方向に複数配設されており、隣接する一方の動圧発生溝の前記導出口と、他方の動圧発生溝の前記導入口とが連通している請求項1に記載の摺動部品。
- 前記複数の動圧発生溝は前記摺動面の全周に亘り環状に連通している請求項2に記載の摺動部品。
- 前記動圧発生溝は前記摺動面の周方向に複数配設されており、隣接する動圧発生溝は、互いに周方向に分離されている請求項1に記載の摺動部品。
- 前記導入口は前記絞り部よりも深い深溝に形成されている請求項1ないし4のいずれかに記載の摺動部品。
- 前記導出口は前記絞り部よりも深い深溝に形成されている請求項1ないし5のいずれかに記載の摺動部品。
- 前記導入口、前記絞り部、及び前記導出口は同じ深さに形成されている請求項1ないし4のいずれかに記載の摺動部品。
- 前記動圧発生溝は、前記導出口を複数有している請求項1ないし7のいずれかに記載の摺動部品。
- 前記絞り部は、前記導出口に向けて前記摺動面の内径側から外径側へ湾曲して形成されている請求項1ないし8のいずれかに記載の摺動部品。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP23155551.7A EP4198353A1 (en) | 2018-11-30 | 2019-11-22 | Sliding component |
CN201980076998.4A CN113167389B (zh) | 2018-11-30 | 2019-11-22 | 滑动部件 |
EP19888532.9A EP3889474A4 (en) | 2018-11-30 | 2019-11-22 | SLIDE COMPONENT |
KR1020217016898A KR102589959B1 (ko) | 2018-11-30 | 2019-11-22 | 슬라이딩 부품 |
US17/296,466 US11815184B2 (en) | 2018-11-30 | 2019-11-22 | Sliding component |
JP2020557657A JP7292811B2 (ja) | 2018-11-30 | 2019-11-22 | 摺動部品 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018-224490 | 2018-11-30 | ||
JP2018224490 | 2018-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020110922A1 true WO2020110922A1 (ja) | 2020-06-04 |
Family
ID=70853456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2019/045728 WO2020110922A1 (ja) | 2018-11-30 | 2019-11-22 | 摺動部品 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11815184B2 (ja) |
EP (2) | EP4198353A1 (ja) |
JP (1) | JP7292811B2 (ja) |
KR (1) | KR102589959B1 (ja) |
CN (1) | CN113167389B (ja) |
WO (1) | WO2020110922A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3842673A4 (en) | 2018-08-24 | 2022-05-04 | Eagle Industry Co., Ltd. | SLIDING ELEMENT |
KR102589959B1 (ko) | 2018-11-30 | 2023-10-17 | 이구루코교 가부시기가이샤 | 슬라이딩 부품 |
JP7345998B2 (ja) | 2018-12-21 | 2023-09-19 | イーグル工業株式会社 | 摺動部品 |
US11933405B2 (en) * | 2019-02-14 | 2024-03-19 | Eagle Industry Co., Ltd. | Sliding component |
EP4006368A4 (en) | 2019-07-26 | 2023-08-16 | Eagle Industry Co., Ltd. | SLIDING ELEMENT |
KR20220139957A (ko) * | 2020-03-09 | 2022-10-17 | 이구루코교 가부시기가이샤 | 슬라이딩 부품 |
US20230407971A1 (en) * | 2022-06-15 | 2023-12-21 | John Crane Inc. | Ring with recirculating grooves for dry gas seal |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS366305B1 (ja) * | 1960-03-31 | 1961-05-30 | ||
JPH0473A (ja) | 1990-04-17 | 1992-01-06 | Eagle Ind Co Ltd | 両回転式準接触メカニカルシール及びリング摺動面の溝加工方法 |
WO2016035860A1 (ja) * | 2014-09-04 | 2016-03-10 | イーグル工業株式会社 | メカニカルシール |
WO2018034197A1 (ja) * | 2016-08-15 | 2018-02-22 | イーグル工業株式会社 | 摺動部品 |
Family Cites Families (152)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085808A (en) | 1960-05-17 | 1963-04-16 | Worthington Corp | Mechanical seal with controlled leakage |
US3232680A (en) | 1963-08-19 | 1966-02-01 | Whittaker Corp | Fluid bearing |
US3410565A (en) | 1966-07-27 | 1968-11-12 | Worthington Corp | Centrifugal and face contact seal |
FR1505487A (fr) | 1966-10-28 | 1967-12-15 | Guinard Pompes | Perfectionnement aux joints tournants à régulation de fuite |
US3466052A (en) | 1968-01-25 | 1969-09-09 | Nasa | Foil seal |
US3499653A (en) | 1968-06-05 | 1970-03-10 | Crane Packing Co | Rotary mechanical seal of the gap type |
US3656227A (en) | 1970-03-26 | 1972-04-18 | Gen Motors Corp | Method of making a mold for bidirectional hydrodynamic shaft seals |
US3804424A (en) | 1972-04-24 | 1974-04-16 | Crane Packing Co | Gap seal with thermal and pressure distortion compensation |
JPS4933614A (ja) | 1972-07-24 | 1974-03-28 | ||
DE2504204C3 (de) | 1975-02-01 | 1981-11-12 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Selbstdruckerzeugendes Axialgleitlager |
JPS5271858U (ja) | 1975-11-25 | 1977-05-28 | ||
JPS5477305A (en) | 1977-12-02 | 1979-06-20 | Hitachi Constr Mach Co Ltd | Compound pump motor |
JPS57146955A (en) | 1981-03-06 | 1982-09-10 | Shinsaku Kaguchi | Sealing device for rotary member |
JPS58109771A (ja) | 1981-12-23 | 1983-06-30 | Eagle Ind Co Ltd | 非接触型メカニカルシ−ル |
JPS58137667A (ja) | 1982-02-10 | 1983-08-16 | Nippon Seiko Kk | 磁性流体シ−ル |
US4486026A (en) | 1982-02-10 | 1984-12-04 | Nippon Seiko K.K. | Sealing and bearing means by use of ferrofluid |
JPS5958252A (ja) | 1982-09-29 | 1984-04-03 | Honda Motor Co Ltd | Vベルト伝動装置 |
US4406466A (en) | 1982-11-29 | 1983-09-27 | Elliott Turbomachinery Co., Inc. | Gas lift bearing and oil seal |
JPS60107461A (ja) | 1983-11-15 | 1985-06-12 | Jidosha Kiki Co Ltd | 動力舵取装置の制御方法 |
JPH06100642B2 (ja) | 1984-09-29 | 1994-12-12 | 株式会社東芝 | 光応用磁界センサ |
JPS6237572A (ja) | 1985-08-12 | 1987-02-18 | Ebara Res Co Ltd | 軸封装置 |
DE3619489A1 (de) | 1986-06-10 | 1987-12-17 | Gutehoffnungshuette Man | Wellendichtung |
JPS6333027A (ja) | 1986-07-28 | 1988-02-12 | Nippon Hoso Kyokai <Nhk> | 音声デジタル信号伝送方式 |
CH677266A5 (ja) | 1986-10-28 | 1991-04-30 | Pacific Wietz Gmbh & Co Kg | |
US5246295A (en) | 1991-10-30 | 1993-09-21 | Ide Russell D | Non-contacting mechanical face seal of the gap-type |
JPH0620155Y2 (ja) | 1987-09-11 | 1994-05-25 | シチズン時計株式会社 | 時計の時刻修正機構 |
JPH01133572A (ja) | 1987-11-16 | 1989-05-25 | Sanyo Electric Co Ltd | 単相周波数変換回路 |
JPH06105105B2 (ja) * | 1989-03-03 | 1994-12-21 | 日本ピラー工業株式会社 | 端面非接触形メカニカルシール |
JPH0314371A (ja) | 1989-06-13 | 1991-01-23 | Fuji Photo Film Co Ltd | ビデオカメラの映像動揺補正装置 |
JPH0335372A (ja) | 1989-06-30 | 1991-02-15 | Mita Ind Co Ltd | 画像判別装置 |
JP2554542B2 (ja) | 1989-07-06 | 1996-11-13 | 株式会社 藤井合金製作所 | ガスコックの製造方法 |
JPH0341267A (ja) | 1989-07-07 | 1991-02-21 | Mitsuwa Gas Kiki Kk | 鋳鉄製ガスコックの製造方法 |
US5492341A (en) | 1990-07-17 | 1996-02-20 | John Crane Inc. | Non-contacting, gap-type seal having a ring with a patterned seal face |
JPH0496671A (ja) | 1990-08-11 | 1992-03-30 | Omron Corp | ハーモニックドライブ型静電モータ |
JPH04145267A (ja) | 1990-10-08 | 1992-05-19 | Ebara Corp | 非接触端面シール |
GB9103217D0 (en) | 1991-02-15 | 1991-04-03 | Crane John Uk Ltd | Mechanical face seals |
JPH0590048A (ja) | 1991-09-25 | 1993-04-09 | Nissin Electric Co Ltd | ガス絶縁開閉装置用電圧変成器 |
DE4303237A1 (de) | 1992-02-06 | 1993-10-21 | Eagle Ind Co Ltd | Gasdichtung |
US5201531A (en) | 1992-04-02 | 1993-04-13 | John Crane Inc. | Face seal with double spiral grooves |
JPH0769019B2 (ja) | 1992-05-18 | 1995-07-26 | 日本ピラー工業株式会社 | 非接触形メカニカルシール |
US5501470A (en) | 1992-12-11 | 1996-03-26 | Nippon Pillar Packing Co., Ltd. | Non-contacting shaft sealing device with grooved face pattern |
US5441283A (en) | 1993-08-03 | 1995-08-15 | John Crane Inc. | Non-contacting mechanical face seal |
CA2170746C (en) | 1993-09-01 | 2005-01-25 | Josef Sedy | Face seal with angled and annular grooves |
US5498007A (en) | 1994-02-01 | 1996-03-12 | Durametallic Corporation | Double gas barrier seal |
DE4407453A1 (de) | 1994-03-05 | 1995-09-07 | Albrecht Dipl Ing Kayser | Gas- und öldichtes Spiralnuten-Axiallager |
JP2563081B2 (ja) | 1994-03-22 | 1996-12-11 | 日本ピラー工業株式会社 | 非接触形軸封装置 |
JP3387236B2 (ja) | 1994-09-22 | 2003-03-17 | 株式会社島津製作所 | 生体磁気計測装置 |
JPH09329247A (ja) | 1996-06-11 | 1997-12-22 | Ebara Corp | 非接触端面シール |
JP2999415B2 (ja) | 1996-07-24 | 2000-01-17 | 日本ピラー工業株式会社 | メカニカルシール |
JPH10281299A (ja) | 1997-04-11 | 1998-10-23 | Mitsubishi Heavy Ind Ltd | メカニカルシール装置 |
US5895051A (en) | 1997-07-16 | 1999-04-20 | Freudenberg-Nok General Partnership | Noise abating beads on a rack seal |
JPH1151043A (ja) | 1997-08-05 | 1999-02-23 | Seiko Instr Inc | 流体動圧軸受、この軸受を有するスピンドルモータ、及びこのモータを備えた回転体装置 |
PL187630B1 (pl) | 1998-12-10 | 2004-08-31 | Anga Uszczelnienia Mechaniczne | Pierścień ślizgowy uszczelnienia mechanicznego czołowego bezstykowego |
JP4075170B2 (ja) | 1998-12-17 | 2008-04-16 | 松下電器産業株式会社 | 動圧軸受装置及びそれを使用したスピンドルモータ |
US6189896B1 (en) | 1999-04-08 | 2001-02-20 | Caterpillar Inc. | Controlled leakage rotating seal ring with elements for receiving and holding a lubricant on a face thereof |
JP2001295833A (ja) | 2000-04-18 | 2001-10-26 | Matsushita Electric Ind Co Ltd | スラスト動圧軸受 |
JP2001317638A (ja) | 2000-05-02 | 2001-11-16 | Mitsubishi Heavy Ind Ltd | シール構造体および圧縮機 |
US6446976B1 (en) | 2000-09-06 | 2002-09-10 | Flowserve Management Company | Hydrodynamic face seal with grooved sealing dam for zero-leakage |
CN1167890C (zh) | 2001-01-18 | 2004-09-22 | 王玉明 | 可双向旋转的螺旋槽端面密封装置 |
CN2460801Y (zh) | 2001-01-18 | 2001-11-21 | 王玉明 | 可双向旋转的螺旋槽端面密封装置 |
JP3984462B2 (ja) | 2001-11-26 | 2007-10-03 | 日本電産株式会社 | 動圧軸受装置 |
CN2534429Y (zh) | 2001-12-27 | 2003-02-05 | 中国石油天然气股份有限公司 | 双列同向流体动压槽上游泵送机械密封 |
JP4495402B2 (ja) | 2002-03-19 | 2010-07-07 | イーグル工業株式会社 | 摺動部品 |
US6902168B2 (en) | 2002-03-19 | 2005-06-07 | Eagle Industry Co., Ltd. | Sliding element |
JP4205910B2 (ja) | 2002-04-02 | 2009-01-07 | イーグル工業株式会社 | 摺動部品 |
EP1523582B1 (en) | 2002-07-18 | 2008-11-12 | University of Washington | Rapid, efficient purification of hsv-specific t-lymphocytes and hsv antigens identified via same |
CN100427816C (zh) | 2002-09-20 | 2008-10-22 | 徐万福 | 一种由角形微槽族组成的螺旋槽端面机械密封 |
JP4316956B2 (ja) | 2002-10-23 | 2009-08-19 | イーグル工業株式会社 | 摺動部品 |
JP4188177B2 (ja) | 2003-08-08 | 2008-11-26 | 株式会社共立 | 携帯式刈払機 |
US7160031B2 (en) | 2003-11-20 | 2007-01-09 | Matsushita Electric Industrial Co., Ltd. | Thrust dynamic pressure bearing, spindle motor using the same, and information recording and reproducing apparatus using them |
JP4719414B2 (ja) | 2003-12-22 | 2011-07-06 | イーグル工業株式会社 | 摺動部品 |
JP2005188651A (ja) | 2003-12-25 | 2005-07-14 | Yamada Seisakusho Co Ltd | ウォーターポンプにおけるメカニカルシール |
JP3872500B2 (ja) | 2004-02-18 | 2007-01-24 | セイコーインスツル株式会社 | 流体動圧軸受、モータおよび記録媒体駆動装置 |
GB2413603A (en) | 2004-04-30 | 2005-11-02 | Corac Group Plc | A dry gas seal assembly |
JP4700394B2 (ja) | 2004-05-12 | 2011-06-15 | ミネベア株式会社 | 流体動圧軸受、該流体動圧軸受を備えたスピンドルモータ並びに記録ディスク駆動装置 |
JP2006009828A (ja) | 2004-06-22 | 2006-01-12 | Citizen Fine Tech Co Ltd | 動圧流体軸受装置 |
JP4322747B2 (ja) | 2004-07-06 | 2009-09-02 | イーグル工業株式会社 | シール装置 |
JP4262656B2 (ja) | 2004-09-10 | 2009-05-13 | 日本ピラー工業株式会社 | 非接触型シール装置 |
CN101057093B (zh) * | 2004-11-09 | 2013-02-13 | 伊格尔工业股份有限公司 | 机械密封装置 |
US8162322B2 (en) | 2006-10-25 | 2012-04-24 | Rexnord Industries, Llc | Hydrodynamic seal with circumferentially varying lift force |
JP2008144864A (ja) | 2006-12-11 | 2008-06-26 | Nok Corp | スラスト軸受 |
US7770895B2 (en) | 2007-05-01 | 2010-08-10 | Eaton Corporation | Segmented seal portion and assembly |
JP5278970B2 (ja) | 2008-01-11 | 2013-09-04 | イーグル工業株式会社 | メカニカルシール摺動材及びメカニカルシール |
JP2009250378A (ja) | 2008-04-08 | 2009-10-29 | Eagle Ind Co Ltd | 液体用のメカニカルシール装置 |
US8205891B2 (en) | 2008-09-15 | 2012-06-26 | Stein Seal Company | Intershaft seal assembly |
JP2010133496A (ja) | 2008-12-04 | 2010-06-17 | Eagle Ind Co Ltd | 摺動部品 |
JP5367423B2 (ja) | 2009-03-17 | 2013-12-11 | イーグル工業株式会社 | シール装置 |
CN201582390U (zh) | 2009-09-08 | 2010-09-15 | 江苏大学 | 一种径向螺旋槽内径端加开周向贯通槽的新型机械密封环 |
JP5271858B2 (ja) | 2009-09-29 | 2013-08-21 | アイシン精機株式会社 | メカニカルシール及び液体ポンプ |
CN101749431B (zh) | 2010-01-28 | 2013-07-31 | 浙江工业大学 | 珍珠链状的圆环槽环带端面机械密封结构 |
WO2011105513A1 (ja) | 2010-02-26 | 2011-09-01 | Nok株式会社 | シールリング |
JP5518527B2 (ja) | 2010-03-04 | 2014-06-11 | イーグル工業株式会社 | 摺動部品 |
CN101776152B (zh) | 2010-03-05 | 2013-08-21 | 北京化工大学 | 外加压式动静压气体润滑密封装置 |
JP5122607B2 (ja) | 2010-06-17 | 2013-01-16 | キヤノンマシナリー株式会社 | 平面摺動機構 |
EP3321548B1 (en) | 2010-10-06 | 2019-12-11 | Eagle Industry Co., Ltd. | Sliding part |
US9039013B2 (en) | 2011-05-04 | 2015-05-26 | United Technologies Corporation | Hydrodynamic non-contacting seal |
EP2726763B8 (en) | 2011-07-01 | 2018-01-03 | Eaton Corporation | Scooping hydrodynamic seal |
JP5936079B2 (ja) | 2011-08-05 | 2016-06-15 | イーグル工業株式会社 | メカニカルシール |
CN103732958B (zh) | 2011-09-10 | 2016-09-21 | 伊格尔工业股份有限公司 | 滑动部件 |
EP2881632B1 (en) | 2012-08-04 | 2018-04-04 | Eagle Industry Co., Ltd. | Sliding component |
WO2014050920A1 (ja) | 2012-09-29 | 2014-04-03 | イーグル工業株式会社 | 摺動部品 |
JP6158205B2 (ja) | 2012-10-19 | 2017-07-05 | イーグルブルグマンジャパン株式会社 | ベローズシール |
US9964215B2 (en) | 2012-12-25 | 2018-05-08 | Eagle Industry Co., Ltd. | Sliding component |
JP6121446B2 (ja) | 2012-12-25 | 2017-04-26 | イーグル工業株式会社 | 摺動部品 |
US9951873B2 (en) | 2013-01-16 | 2018-04-24 | Eagle Industry Co., Ltd. | Sliding component |
US9353867B2 (en) * | 2013-03-17 | 2016-05-31 | Eagle Industry Co., Ltd. | Sliding parts |
EP2977654B1 (en) | 2013-03-17 | 2018-04-25 | Eagle Industry Co., Ltd. | Sliding component |
US9587745B2 (en) | 2013-04-24 | 2017-03-07 | Eagle Industry Co., Ltd. | Sliding component |
CN103267132B (zh) | 2013-05-28 | 2015-08-05 | 南京林业大学 | 自泵送流体动压型机械密封 |
JP6305428B2 (ja) | 2013-11-22 | 2018-04-04 | イーグル工業株式会社 | 摺動部品 |
JP6305432B2 (ja) * | 2013-12-09 | 2018-04-04 | イーグル工業株式会社 | 摺動部品 |
EP3091257B1 (en) * | 2013-12-09 | 2023-01-25 | Eagle Industry Co., Ltd. | Sliding component |
KR20160098451A (ko) | 2014-01-24 | 2016-08-18 | 엔오케이 가부시키가이샤 | 실 링 |
CN103791097A (zh) | 2014-02-28 | 2014-05-14 | 江苏大学 | 一种自动排泄颗粒的组合流体动压槽机械密封 |
CN104019237B (zh) | 2014-05-29 | 2016-12-07 | 浙江工业大学 | 深槽环带动压型端面机械密封结构 |
US9353865B2 (en) | 2014-06-03 | 2016-05-31 | Thermo King Corporation | Mechanical face seal |
EP3156699B1 (en) | 2014-06-10 | 2019-01-09 | NOK Corporation | Seal device |
EP2975306B1 (en) | 2014-07-18 | 2017-06-14 | LEONARDO S.p.A. | Sealing ring |
CN104165229A (zh) | 2014-07-30 | 2014-11-26 | 浙江工业大学 | 液体润滑圆环槽端面机械密封结构 |
JP6224568B2 (ja) | 2014-10-17 | 2017-11-01 | イーグル工業株式会社 | メカニカルシール |
US10487944B2 (en) | 2015-01-31 | 2019-11-26 | Eagle Industry Co., Ltd. | Slide component |
EP3273115B1 (en) | 2015-03-16 | 2019-11-06 | Nok Corporation | Seal ring |
CN107407418B (zh) | 2015-03-16 | 2019-09-06 | Nok株式会社 | 密封圈 |
BR112017022194A2 (ja) | 2015-04-15 | 2018-07-03 | Eagle Industry Co., Ltd. | Sliding component |
WO2016186019A1 (ja) | 2015-05-19 | 2016-11-24 | イーグル工業株式会社 | 摺動部品 |
JP6678170B2 (ja) | 2015-05-21 | 2020-04-08 | イーグル工業株式会社 | 摺動部品 |
WO2016203878A1 (ja) | 2015-06-15 | 2016-12-22 | イーグル工業株式会社 | 摺動部品 |
CN107709852B (zh) * | 2015-06-27 | 2020-05-12 | 伊格尔工业股份有限公司 | 滑动部件 |
EP3318784B1 (en) | 2015-06-30 | 2020-07-01 | Eagle Industry Co., Ltd. | Seal device |
CN206017723U (zh) | 2016-09-14 | 2017-03-15 | 中国石油大学(华东) | 包络线型液体润滑端面机械密封结构 |
US11739844B2 (en) | 2016-09-14 | 2023-08-29 | Eagle Industry Co., Ltd. | Mechanical seal |
WO2018070265A1 (ja) * | 2016-10-14 | 2018-04-19 | イーグル工業株式会社 | 摺動部品 |
CN106439037B (zh) | 2016-11-18 | 2018-06-29 | 西华大学 | 具有组合槽端面的密封环及机械密封装置 |
KR102447226B1 (ko) | 2016-12-07 | 2022-09-26 | 이구루코교 가부시기가이샤 | 슬라이딩 부품 |
KR102276083B1 (ko) | 2017-01-30 | 2021-07-13 | 이구루코교 가부시기가이샤 | 슬라이딩 부품 |
KR102276081B1 (ko) | 2017-01-30 | 2021-07-13 | 이구루코교 가부시기가이샤 | 슬라이딩 부품 |
CN107166036B (zh) | 2017-06-21 | 2018-09-21 | 浙江工业大学 | 一种低泄漏螺旋槽液膜机械密封端面结构 |
JP7154692B2 (ja) | 2017-07-04 | 2022-10-18 | イーグル工業株式会社 | メカニカルシール |
US11221071B2 (en) * | 2017-09-05 | 2022-01-11 | Eagle Industry Co., Ltd. | Sliding component |
EP3739242A4 (en) | 2018-01-12 | 2021-10-13 | Eagle Industry Co., Ltd. | SLIDING ELEMENT |
CN108506494B (zh) | 2018-04-23 | 2020-03-17 | 西安交通大学 | 一种仿鱼骨型干气密封结构 |
WO2019221231A1 (ja) | 2018-05-17 | 2019-11-21 | イーグル工業株式会社 | シールリング |
JP7242659B2 (ja) | 2018-05-17 | 2023-03-20 | イーグル工業株式会社 | シールリング |
WO2019221227A1 (ja) | 2018-05-17 | 2019-11-21 | イーグル工業株式会社 | シールリング |
WO2019221228A1 (ja) | 2018-05-17 | 2019-11-21 | イーグル工業株式会社 | シールリング |
KR102589959B1 (ko) | 2018-11-30 | 2023-10-17 | 이구루코교 가부시기가이샤 | 슬라이딩 부품 |
EP3922871B1 (en) | 2019-02-04 | 2024-01-24 | Eagle Industry Co., Ltd. | Sliding component |
EP4345328A2 (en) | 2019-02-04 | 2024-04-03 | Eagle Industry Co., Ltd. | Sliding component |
US11767916B2 (en) | 2019-02-14 | 2023-09-26 | Eagle Industry Co., Ltd. | Sliding components |
CN113412370B (zh) | 2019-02-15 | 2023-03-10 | 伊格尔工业股份有限公司 | 滑动部件 |
WO2020196145A1 (ja) | 2019-03-22 | 2020-10-01 | イーグル工業株式会社 | 摺動部品 |
EP4006368A4 (en) | 2019-07-26 | 2023-08-16 | Eagle Industry Co., Ltd. | SLIDING ELEMENT |
-
2019
- 2019-11-22 KR KR1020217016898A patent/KR102589959B1/ko active IP Right Grant
- 2019-11-22 US US17/296,466 patent/US11815184B2/en active Active
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- 2019-11-22 EP EP19888532.9A patent/EP3889474A4/en active Pending
- 2019-11-22 CN CN201980076998.4A patent/CN113167389B/zh active Active
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS366305B1 (ja) * | 1960-03-31 | 1961-05-30 | ||
JPH0473A (ja) | 1990-04-17 | 1992-01-06 | Eagle Ind Co Ltd | 両回転式準接触メカニカルシール及びリング摺動面の溝加工方法 |
WO2016035860A1 (ja) * | 2014-09-04 | 2016-03-10 | イーグル工業株式会社 | メカニカルシール |
WO2018034197A1 (ja) * | 2016-08-15 | 2018-02-22 | イーグル工業株式会社 | 摺動部品 |
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EP4198353A1 (en) | 2023-06-21 |
KR20210089701A (ko) | 2021-07-16 |
CN113167389A (zh) | 2021-07-23 |
US20220010835A1 (en) | 2022-01-13 |
US11815184B2 (en) | 2023-11-14 |
JP7292811B2 (ja) | 2023-06-19 |
CN113167389B (zh) | 2024-04-02 |
EP3889474A4 (en) | 2022-08-10 |
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EP3889474A1 (en) | 2021-10-06 |
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