KR950006286A - 기계면 시일 - Google Patents

기계면 시일 Download PDF

Info

Publication number
KR950006286A
KR950006286A KR1019940019124A KR19940019124A KR950006286A KR 950006286 A KR950006286 A KR 950006286A KR 1019940019124 A KR1019940019124 A KR 1019940019124A KR 19940019124 A KR19940019124 A KR 19940019124A KR 950006286 A KR950006286 A KR 950006286A
Authority
KR
South Korea
Prior art keywords
seal
face
groove
circumferential
dams
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.)
Withdrawn
Application number
KR1019940019124A
Other languages
English (en)
Korean (ko)
Inventor
페치트 글렌지이
비이 하메이커 존
Original Assignee
가드프레이 다불류 보스퍼
존 크레인 인코포레이팃드
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 가드프레이 다불류 보스퍼, 존 크레인 인코포레이팃드 filed Critical 가드프레이 다불류 보스퍼
Publication of KR950006286A publication Critical patent/KR950006286A/ko
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/34Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404Sealings 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
    • F16J15/3408Sealings 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
    • F16J15/3412Sealings 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/14Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00Sliding-contact bearings for exclusively rotary movement
    • F16C17/04Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/045Sliding-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/06Sliding surface mainly made of metal
    • F16C33/10Construction relative to lubrication
    • F16C33/1025Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1065Grooves on a bearing surface for distributing or collecting the liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/06Sliding surface mainly made of metal
    • F16C33/10Construction relative to lubrication
    • F16C33/1025Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107Grooves for generating pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/74Sealings of sliding-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/34Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404Sealings 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
    • F16J15/3408Sealings 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
    • F16J15/3424Sealings 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

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)
KR1019940019124A 1993-08-03 1994-08-02 기계면 시일 Withdrawn KR950006286A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8/101,589 1993-08-03
US08/101,589 US5441283A (en) 1993-08-03 1993-08-03 Non-contacting mechanical face seal

Publications (1)

Publication Number Publication Date
KR950006286A true KR950006286A (ko) 1995-03-20

Family

ID=22285435

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940019124A Withdrawn KR950006286A (ko) 1993-08-03 1994-08-02 기계면 시일

Country Status (10)

Country Link
US (2) US5441283A (enExample)
EP (1) EP0637706A1 (enExample)
JP (1) JPH07151239A (enExample)
KR (1) KR950006286A (enExample)
CN (1) CN1118851A (enExample)
AU (1) AU6486894A (enExample)
BR (1) BR9402999A (enExample)
CA (1) CA2124095A1 (enExample)
TW (1) TW281721B (enExample)
ZA (1) ZA943542B (enExample)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5441283A (en) * 1993-08-03 1995-08-15 John Crane Inc. Non-contacting mechanical face seal
DE69424956T2 (de) * 1994-11-16 2000-10-19 Dresser-Rand Co., Corning Wellendichtung
US5941532A (en) 1996-06-20 1999-08-24 Rexnord Corporation Aerospace housing and shaft assembly with noncontacting seal
DE19727902A1 (de) * 1997-07-01 1998-10-08 Gunther Dipl Ing Weser Axiale Ringspaltdichtung
US6142478A (en) * 1998-02-06 2000-11-07 John Crane Inc. Gas lubricated slow speed seal
US6109617A (en) * 1998-03-04 2000-08-29 Power Packing Co., Inc. Gas seal assembly and method of sealing
PL187630B1 (pl) 1998-12-10 2004-08-31 Anga Uszczelnienia Mechaniczne Pierścień ślizgowy uszczelnienia mechanicznego czołowego bezstykowego
US6439866B1 (en) 2000-04-03 2002-08-27 Cudd Pressure Control, Inc. Downhole rotary motor with sealed thrust bearing assembly
US8357454B2 (en) 2001-08-02 2013-01-22 Siemens Energy, Inc. Segmented thermal barrier coating
US6703137B2 (en) * 2001-08-02 2004-03-09 Siemens Westinghouse Power Corporation Segmented thermal barrier coating and method of manufacturing the same
CN101644333B (zh) * 2009-08-20 2011-08-31 浙江工业大学 三维似羽毛织构底面型槽气体端面密封结构
WO2011025484A1 (en) * 2009-08-27 2011-03-03 Stein Seal Company Hydrodynamic circumferential seal system for large translations
UA95153C2 (en) * 2009-12-25 2011-07-11 Анатолий Иванович Степанюк Ring seal
EP2549155B1 (en) * 2010-03-15 2016-08-10 Eagle Industry Co., Ltd. Sliding member
CN102128268A (zh) * 2010-12-23 2011-07-20 西安航空动力控制科技有限公司 径向动密封装置
US9039013B2 (en) 2011-05-04 2015-05-26 United Technologies Corporation Hydrodynamic non-contacting seal
CN103635728B (zh) 2011-07-01 2017-07-07 伊顿公司 勺形流体动力密封装置
WO2014112455A1 (ja) 2013-01-16 2014-07-24 イーグル工業株式会社 摺動部品
EP2948699B1 (en) * 2013-01-23 2018-08-15 Flowserve Management Company Mechanical face seal with a reverse trapezoidal face pattern
CN103133697B (zh) * 2013-02-26 2015-11-25 浙江工业大学 可双向旋转的燕尾槽端面机械密封结构
JP5944852B2 (ja) * 2013-03-15 2016-07-05 イーグルブルグマンジャパン株式会社 密封構造
US10948014B2 (en) 2013-04-15 2021-03-16 Stein Seal Company Intershaft seal assembly with multi-axis stepped grooves
EP2986832B1 (en) * 2013-04-15 2017-11-29 Stein Seal Company Circumferential back-to-back seal assembly with bifurcated flow
US11333197B2 (en) * 2013-04-15 2022-05-17 Stein Seal Company Circumferential seal assembly with multi-axis stepped grooves
JP6177582B2 (ja) * 2013-05-14 2017-08-09 Nok株式会社 密封装置
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
WO2015031474A1 (en) 2013-08-27 2015-03-05 Eaton Corporation Seal ring composite for improved hydrodynamic seal performance
CN103453147B (zh) * 2013-09-30 2016-04-13 四川日机密封件股份有限公司 具有双旋向流体动压槽的非接触式机械密封环
EP3091257B1 (en) * 2013-12-09 2023-01-25 Eagle Industry Co., Ltd. Sliding component
US9353865B2 (en) 2014-06-03 2016-05-31 Thermo King Corporation Mechanical face seal
EP2954983B1 (en) * 2014-06-10 2017-03-08 Sandvik Mining and Construction Oy Seal of tool and method of sealing
EP2975306B1 (en) * 2014-07-18 2017-06-14 LEONARDO S.p.A. Sealing ring
US9714712B2 (en) 2014-08-15 2017-07-25 Eaton Corporation Hydrodynamic mating ring with integrated groove inlet pressure control
US10626743B2 (en) 2016-06-30 2020-04-21 General Electric Company Segmented face seal assembly and an associated method thereof
US10415707B2 (en) 2016-06-30 2019-09-17 General Electric Company Face seal assembly and an associated method thereof
JP6890611B2 (ja) * 2016-11-18 2021-06-18 イーグル工業株式会社 摺動部材
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
CN106763779B (zh) * 2016-12-12 2019-04-12 昆明理工大学 一种具有多锯齿形螺旋槽的机械密封环
US11125334B2 (en) 2016-12-21 2021-09-21 Eaton Intelligent Power Limited Hydrodynamic sealing component and assembly
WO2019139107A1 (ja) 2018-01-12 2019-07-18 イーグル工業株式会社 摺動部品
US11320052B2 (en) 2018-02-01 2022-05-03 Eagle Industry Co., Ltd. Sliding components
EP4438926A3 (en) 2018-07-10 2024-10-09 Stein Seal Company Intershaft seal assembly with multi-axis stepped grooves
CN112334690B (zh) 2018-08-01 2023-02-28 伊格尔工业股份有限公司 滑动组件
JP7305289B2 (ja) 2018-08-24 2023-07-10 イーグル工業株式会社 摺動部材
US11078807B2 (en) * 2018-09-19 2021-08-03 Borgwarner Inc. Turbocharger and mating ring included therein
US11384772B2 (en) 2018-09-19 2022-07-12 Borgwarner Inc. Rotating machine and mating ring included therein
US11920605B2 (en) 2018-09-19 2024-03-05 Borgwarner Inc. Rotating machine and mating ring included therein
CN112739941B (zh) 2018-10-01 2023-11-14 伊格尔工业股份有限公司 滑动部件
KR102661123B1 (ko) 2018-10-24 2024-04-29 이구루코교 가부시기가이샤 슬라이딩 부재
US11815184B2 (en) 2018-11-30 2023-11-14 Eagle Industry Co., Ltd. Sliding component
EP3901497B1 (en) 2018-12-21 2024-08-21 Eagle Industry Co., Ltd. Sliding component
CA3128137A1 (en) * 2019-01-29 2020-08-06 Hoerbiger Wien Gmbh Packaging ring with wear opening
CN113348308B (zh) 2019-02-04 2023-05-05 伊格尔工业股份有限公司 滑动部件
CN113260797B (zh) 2019-02-04 2023-02-14 伊格尔工业股份有限公司 滑动部件
US11852241B2 (en) 2019-02-04 2023-12-26 Eagle Industry Co., Ltd. Sliding component
US12498044B2 (en) 2019-02-04 2025-12-16 Eagle Industry Co., Ltd. Sliding component
US11852244B2 (en) 2019-02-04 2023-12-26 Eagle Industry Co., Ltd. Sliding component and method of manufacturing sliding member
WO2020162348A1 (ja) 2019-02-04 2020-08-13 イーグル工業株式会社 摺動部品
JP7313789B2 (ja) 2019-02-04 2023-07-25 イーグル工業株式会社 摺動部品
WO2020166589A1 (ja) * 2019-02-14 2020-08-20 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
EP3926188B1 (en) 2019-02-15 2024-08-21 Eagle Industry Co., Ltd. Sliding components
US12013040B2 (en) 2019-02-21 2024-06-18 Eagle Industry Co., Ltd. Sliding components
WO2020196145A1 (ja) 2019-03-22 2020-10-01 イーグル工業株式会社 摺動部品
KR102754159B1 (ko) * 2019-04-09 2025-01-10 이구루코교 가부시기가이샤 슬라이딩 부품
EP3961069A4 (en) 2019-04-24 2022-12-14 Eagle Industry Co., Ltd. SLIDING ELEMENT
WO2021020074A1 (ja) 2019-07-26 2021-02-04 イーグル工業株式会社 摺動部品
US12196320B2 (en) 2020-03-31 2025-01-14 Eagle Industry Co., Ltd. Sliding component
WO2021230081A1 (ja) 2020-05-11 2021-11-18 イーグル工業株式会社 摺動部品
EP4160057A4 (en) 2020-06-02 2024-06-26 Eagle Industry Co., Ltd. SLIDING ELEMENT
WO2021246371A1 (ja) 2020-06-02 2021-12-09 イーグル工業株式会社 摺動部品
KR102841101B1 (ko) 2020-07-06 2025-07-31 이구루코교 가부시기가이샤 슬라이딩 부품
US12404935B2 (en) 2020-07-06 2025-09-02 Eagle Industry Co., Ltd. Sliding component
US11913454B2 (en) 2020-07-06 2024-02-27 Eagle Industry Co., Ltd. Sliding component
CN115917171A (zh) 2020-07-06 2023-04-04 伊格尔工业股份有限公司 滑动部件
WO2022009766A1 (ja) 2020-07-06 2022-01-13 イーグル工業株式会社 摺動部品
JP7551264B2 (ja) 2020-07-06 2024-09-17 イーグル工業株式会社 摺動部品
JP7809645B2 (ja) 2020-09-29 2026-02-02 イーグル工業株式会社 摺動部品
EP4230899A4 (en) 2020-10-14 2024-11-20 Eagle Industry Co., Ltd. SLIDING COMPONENT
CN116964362A (zh) 2021-03-12 2023-10-27 伊格尔工业股份有限公司 滑动部件
WO2023286590A1 (ja) * 2021-07-13 2023-01-19 イーグル工業株式会社 摺動部品
US12404936B2 (en) 2021-09-28 2025-09-02 Eagle Indusry Co., Ltd. Sliding component

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA660610A (en) * 1963-04-02 Solar Aircraft Company Fluid seal
US3499653A (en) * 1968-06-05 1970-03-10 Crane Packing Co Rotary mechanical seal of the gap type
FR1599308A (enExample) * 1968-06-08 1970-07-15
US3586340A (en) * 1969-06-13 1971-06-22 Timken Co Wear surface and seal construction
US3572730A (en) * 1969-06-13 1971-03-30 Timken Co Wear surface for facilitating lubrication of elements in engagement therewith
US3638957A (en) * 1970-03-19 1972-02-01 Borg Warner Mechanical seal with lubricating means
DD107968A1 (enExample) * 1972-05-23 1974-08-20
US4212475A (en) * 1979-01-15 1980-07-15 Crane Packing Co. Self aligning spiral groove face seal
US4290611A (en) * 1980-03-31 1981-09-22 Crane Packing Co. High pressure upstream pumping seal combination
DE3143508A1 (de) * 1980-11-04 1982-08-26 Eagle Industry Co. Ltd., Tokyo Wellendichtung und verfahren zur herstellung einer gleitflaeche derselben
JPS58207580A (ja) * 1982-05-28 1983-12-03 Eagle Ind Co Ltd メカニカルシ−ル
US4406466A (en) * 1982-11-29 1983-09-27 Elliott Turbomachinery Co., Inc. Gas lift bearing and oil seal
DE3619828A1 (de) * 1986-06-12 1987-12-17 Rothemuehle Brandt Kritzler Axialdruck- bzw. -traglager, insbesondere fuer langsam drehende maschinen
CH677266A5 (enExample) * 1986-10-28 1991-04-30 Pacific Wietz Gmbh & Co Kg
DE3722303A1 (de) * 1987-07-06 1989-01-19 Burgmann Dichtungswerk Feodor Gleitringdichtung zur abdichtung eines gasfoermigen mediums
DE3839106A1 (de) * 1988-11-18 1990-05-23 Burgmann Dichtungswerk Feodor Gleitringdichtung
US5143384A (en) * 1989-04-14 1992-09-01 Eg&G Sealol, Inc. Bi-directional, non-contact face seal
GB2231105B (en) * 1989-04-24 1993-04-14 Sealol Drained face seal
SU1719756A1 (ru) * 1989-12-04 1992-03-15 Сумское Машиностроительное Научно-Производственное Объединение Им.М.В.Фрунзе Уплотнение вала турбомашины
US5066026A (en) * 1990-06-11 1991-11-19 Kaydon Corporation Gas face seal
US5090712A (en) * 1990-07-17 1992-02-25 John Crane Inc. Non-contacting, gap-type seal having a ring with a patterned microdam seal face
GB9103217D0 (en) * 1991-02-15 1991-04-03 Crane John Uk Ltd Mechanical face seals
JPH07117166B2 (ja) * 1991-05-09 1995-12-18 日本ピラー工業株式会社 非接触形シール装置
DE4119324A1 (de) * 1991-06-12 1992-12-17 Heinz Konrad Prof Dr I Mueller Gleitringdichtung mit rueckfoerderwirkung und verfahren zu ihrer herstellung
US5447316A (en) * 1992-02-06 1995-09-05 Eagle Industry Co., Ltd. Gas seal
US5201531A (en) * 1992-04-02 1993-04-13 John Crane Inc. Face seal with double spiral grooves
FR2694361B1 (fr) * 1992-07-31 1994-09-02 Cga Hbs Garniture sèche à portance aéridynamique pour étanchéité de milieux gazeux.
US5441283A (en) * 1993-08-03 1995-08-15 John Crane Inc. Non-contacting mechanical face seal

Also Published As

Publication number Publication date
EP0637706A1 (en) 1995-02-08
ZA943542B (en) 1995-01-23
JPH07151239A (ja) 1995-06-13
US5441283A (en) 1995-08-15
AU6486894A (en) 1995-02-16
CA2124095A1 (en) 1995-02-04
CN1118851A (zh) 1996-03-20
TW281721B (enExample) 1996-07-21
US5605339A (en) 1997-02-25
BR9402999A (pt) 1995-04-11

Similar Documents

Publication Publication Date Title
KR950006286A (ko) 기계면 시일
US5090712A (en) Non-contacting, gap-type seal having a ring with a patterned microdam seal face
KR940002529A (ko) 씨일(seal)
EP0684413B1 (en) Non-contact shaft sealing device
US4084826A (en) Shaft seal ring
KR920016749A (ko) 기계적 면봉합
US3586342A (en) Hydrodynamic shaft seal
EP0980998B1 (de) Radialwellendichtring
US3923315A (en) Fluid seal
US4906009A (en) Sealing apparatus
KR950001151A (ko) 기계적 면 시일
FR2562184B1 (fr) Roulement etanche
US20020093141A1 (en) Bi-direction rotatable face seal with spiral grooves
SE7711977L (sv) Tetning for tetning av tva maskinelement och anvendning av tetningen
KR850003923A (ko) 회전자 집합체
CA2220162A1 (en) Pressure responsive primary ring geometry for a non-contacting mechanical end face seal
CA2088303A1 (en) A tread for a tire
KR890013311A (ko) 로우터의 안정성을 높여 주기 위한 래버린스 밀봉체의 유동 댐
DE3467234D1 (en) Rotary shaft seal
JPS61116174A (ja) ラジアル軸パツキンリング
US5645283A (en) Radial shaft seal having dust lip with notches
US4174845A (en) Fluid seal
CN112610609A (zh) 特别用于滚动轴承的具有动态作用的密封装置
RU96110898A (ru) Уплотнительный узел
EP0089698A3 (en) Hydrodynamic non-contacting seal for rotary machines

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19940802

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid