JP4649500B2 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP4649500B2 JP4649500B2 JP2008198334A JP2008198334A JP4649500B2 JP 4649500 B2 JP4649500 B2 JP 4649500B2 JP 2008198334 A JP2008198334 A JP 2008198334A JP 2008198334 A JP2008198334 A JP 2008198334A JP 4649500 B2 JP4649500 B2 JP 4649500B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- protrusion
- chamber
- oil
- 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.)
- Expired - Fee Related
Links
Images
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
- F16J15/56—Other sealings for reciprocating rods
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
-
- 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
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid control
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
Claims (3)
- 第一部材と前記第一部材に対して相対往復運動可能な第二部材との間を密封して、前記第一部材と前記第二部材とによって囲まれた加圧室内に供給される液体を封入する密封装置において、
前記第二部材に取り付けられ、前記第一部材と接触して前記第一部材に対して相対摺動する、環状の摺動部を備え、
前記摺動部は、ベース部と、前記ベース部から前記第一部材に向かって突起して前記第一部材と前記ベース部とを離隔させ、前記加圧室内に液体が供給されて前記加圧室内が液体によって充満された後に弾性変形して前記ベース部と前記第一部材とを密着させる突起部とを有し、
前記突起部は、前記摺動部の周方向に並んで設置された複数個の突起を含み、
前記突起部は、前記摺動部の周方向に均等に複数設置されている、密封装置。 - 前記第一部材は、中空のシリンダであって、
前記第二部材は、前記シリンダ内を往復運動するピストンであって、
前記加圧室は、前記ピストンによって前記シリンダの内部空間が区画され、前記ピストンを移動させるための作動油が内部に供給される油室であって、
前記シリンダと前記ピストンとの間を密封して、前記油室内に作動油を封入する、請求項1に記載の密封装置。 - 前記突起部に外力が作用していない状態において、前記ベース部から前記突起部が突起する突起高さは0.2mmである、請求項1または請求項2に記載の密封装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008198334A JP4649500B2 (ja) | 2008-07-31 | 2008-07-31 | 密封装置 |
US12/458,464 US8342536B2 (en) | 2008-07-31 | 2009-07-13 | Sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008198334A JP4649500B2 (ja) | 2008-07-31 | 2008-07-31 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010038186A JP2010038186A (ja) | 2010-02-18 |
JP4649500B2 true JP4649500B2 (ja) | 2011-03-09 |
Family
ID=41607526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008198334A Expired - Fee Related JP4649500B2 (ja) | 2008-07-31 | 2008-07-31 | 密封装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8342536B2 (ja) |
JP (1) | JP4649500B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010180972A (ja) * | 2009-02-06 | 2010-08-19 | Nok Corp | シール構造 |
EP2513529A4 (en) * | 2009-12-18 | 2013-11-06 | Skf Usa Inc | ACTUATOR SEALING WITH SMOKE |
DE112011102722T5 (de) * | 2010-08-18 | 2013-06-27 | Skf Usa Inc. | Dichtung mit druckbetätigbarem Dichtungswulst |
US20130154192A1 (en) * | 2011-12-15 | 2013-06-20 | Trelleborg Sealing Solutions Us, Inc. | Sealing assembly |
JP6117000B2 (ja) * | 2013-05-24 | 2017-04-19 | Nok株式会社 | ピストン一体シール |
JP2017122486A (ja) * | 2016-01-08 | 2017-07-13 | Nok株式会社 | ボンデッドピストンシール |
JP6777466B2 (ja) * | 2016-08-31 | 2020-10-28 | Ntn株式会社 | プーリユニット |
US10697500B2 (en) * | 2017-11-03 | 2020-06-30 | GM Global Technology Operations LLC | Two path sealed clutch |
JPWO2020137580A1 (ja) * | 2018-12-25 | 2021-09-27 | Nok株式会社 | クラッチピストン |
US11592108B2 (en) * | 2019-09-19 | 2023-02-28 | Aktiebolaget Skf | Seal having a lip optimized for low temperature applications |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001132850A (ja) * | 1999-11-05 | 2001-05-18 | Koyo Seiko Co Ltd | 密封装置 |
JP2002310305A (ja) * | 2001-04-10 | 2002-10-23 | Keeper Co Ltd | 密封装置 |
JP2006046550A (ja) * | 2004-08-06 | 2006-02-16 | Nok Corp | 密封装置 |
JP2008039071A (ja) * | 2006-08-07 | 2008-02-21 | Koyo Sealing Techno Co Ltd | 密封装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4507116B2 (ja) | 2002-07-02 | 2010-07-21 | 株式会社ジェイテクト | 摺動部材および密封装置 |
EP1726844A1 (en) * | 2004-03-19 | 2006-11-29 | Nok Corporation | Piston |
JP2005273782A (ja) | 2004-03-25 | 2005-10-06 | Nok Corp | 自動変速機用ピストン |
US7832735B2 (en) * | 2006-01-11 | 2010-11-16 | Skf Usa Inc. | Seal assembly with protective filter |
-
2008
- 2008-07-31 JP JP2008198334A patent/JP4649500B2/ja not_active Expired - Fee Related
-
2009
- 2009-07-13 US US12/458,464 patent/US8342536B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001132850A (ja) * | 1999-11-05 | 2001-05-18 | Koyo Seiko Co Ltd | 密封装置 |
JP2002310305A (ja) * | 2001-04-10 | 2002-10-23 | Keeper Co Ltd | 密封装置 |
JP2006046550A (ja) * | 2004-08-06 | 2006-02-16 | Nok Corp | 密封装置 |
JP2008039071A (ja) * | 2006-08-07 | 2008-02-21 | Koyo Sealing Techno Co Ltd | 密封装置 |
Also Published As
Publication number | Publication date |
---|---|
US8342536B2 (en) | 2013-01-01 |
JP2010038186A (ja) | 2010-02-18 |
US20100025937A1 (en) | 2010-02-04 |
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