JP2008039026A - バルブステムシール - Google Patents
バルブステムシール Download PDFInfo
- Publication number
- JP2008039026A JP2008039026A JP2006212996A JP2006212996A JP2008039026A JP 2008039026 A JP2008039026 A JP 2008039026A JP 2006212996 A JP2006212996 A JP 2006212996A JP 2006212996 A JP2006212996 A JP 2006212996A JP 2008039026 A JP2008039026 A JP 2008039026A
- Authority
- JP
- Japan
- Prior art keywords
- valve stem
- back pressure
- valve
- seal lip
- seal
- 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.)
- Granted
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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
-
- 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
- F16J15/3212—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings with metal springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2301/00—Using particular materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
【解決手段】バルブガイド2に嵌合し径方向部12を有する補強環10と、バルブステム3に摺動自在に密接するカム側Aに向かって延びる主シールリップ41と、主シールリップ41よりシリンダー側Bに位置し径方向に延びバルブステム3に摺動自在に密接する背圧用突起50と、を備え、背圧用突起50の先端部51は、径方向部12との間で軸方向に所定距離kを有するようにした。
【選択図】図2
Description
2 バルブガイド
3 バルブステム
4 環状空間
10 補強環
11 軸方向部
12 径方向部
12a 端面
20 シール本体部
30 固定密封部
40 シール部
41,42 シールリップ
50 背圧用突起
51 先端部
A カム側
B シリンダー側
Claims (1)
- 一端がカム側に臨み他端がシリンダー側に臨むバルブガイドと、前記バルブガイドの内周側に同心で往復動自在に組みつけられるバルブステムとの環状空間をシールするために装着されるものであって、
前記バルブガイドに嵌合し径方向部を有する補強環と、
前記バルブステムに摺動自在に密接するカム側に向かって延びる主シールリップと、
前記主シールリップよりシリンダー側に位置し径方向に延び前記バルブステムに摺動自在に密接する背圧用突起と、
を備え、
前記背圧用突起の先端部は、前記径方向部との間で軸方向に所定距離を有していることを特徴とするバルブステムシール。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006212996A JP4853636B2 (ja) | 2006-08-04 | 2006-08-04 | バルブステムシール |
EP07015317A EP1884630A1 (en) | 2006-08-04 | 2007-08-03 | Valve stem seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006212996A JP4853636B2 (ja) | 2006-08-04 | 2006-08-04 | バルブステムシール |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008039026A true JP2008039026A (ja) | 2008-02-21 |
JP4853636B2 JP4853636B2 (ja) | 2012-01-11 |
Family
ID=38662849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006212996A Active JP4853636B2 (ja) | 2006-08-04 | 2006-08-04 | バルブステムシール |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1884630A1 (ja) |
JP (1) | JP4853636B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101314688B1 (ko) | 2012-09-05 | 2013-10-04 | 평화오일씰공업주식회사 | 밸브스템 씰링부재 |
WO2017057258A1 (ja) * | 2015-10-01 | 2017-04-06 | Nok株式会社 | バルブステムシール及び密封構造 |
US11465670B2 (en) * | 2019-04-18 | 2022-10-11 | Zf Active Safety And Electronics Us Llc | Steering shaft support assembly |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009016016B4 (de) | 2009-04-02 | 2022-06-30 | Ab Skf | Ventilschaftdichtung |
DE102009017599B4 (de) * | 2009-04-16 | 2011-06-16 | Aktiebolaget Skf | Ventilschaftdichtung |
HUE032708T2 (en) | 2009-04-17 | 2017-10-30 | Freudenberg Carl Kg | Valve stem seal with gas vent |
JP5408443B2 (ja) * | 2010-03-02 | 2014-02-05 | Nok株式会社 | バルブステムシール |
EP3660360A1 (en) * | 2017-07-24 | 2020-06-03 | Nok Corporation | Valve stem seal |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08121127A (ja) * | 1994-10-28 | 1996-05-14 | Isuzu Ceramics Kenkyusho:Kk | ガスエンジンにおける副室弁案内部のシール構造 |
JP2003042301A (ja) * | 2001-08-01 | 2003-02-13 | Nok Corp | バルブステムシール |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE469801B (sv) * | 1989-11-02 | 1993-09-13 | R F T Spa | Glidande spindeltätning, särskilt för ventilspindlar |
DE4119952A1 (de) * | 1991-06-18 | 1992-12-24 | Goetze Ag | Ventilschaftabdichtung |
JP3586926B2 (ja) * | 1995-04-26 | 2004-11-10 | いすゞ自動車株式会社 | 内燃機関のバルブステムシール |
JP4253924B2 (ja) * | 1999-05-18 | 2009-04-15 | Nok株式会社 | バルブステムシール |
US6230679B1 (en) * | 1999-09-10 | 2001-05-15 | Dana Corporation | Valve stem seal with pads and tangs |
JP4310596B2 (ja) * | 2000-03-14 | 2009-08-12 | Nok株式会社 | オイルシール |
JP4123837B2 (ja) | 2002-06-19 | 2008-07-23 | Nok株式会社 | バルブステムシール |
JP2004176881A (ja) * | 2002-11-29 | 2004-06-24 | Nok Corp | 密封装置 |
JP2005201313A (ja) | 2004-01-14 | 2005-07-28 | Nok Corp | バルブステムシール |
-
2006
- 2006-08-04 JP JP2006212996A patent/JP4853636B2/ja active Active
-
2007
- 2007-08-03 EP EP07015317A patent/EP1884630A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08121127A (ja) * | 1994-10-28 | 1996-05-14 | Isuzu Ceramics Kenkyusho:Kk | ガスエンジンにおける副室弁案内部のシール構造 |
JP2003042301A (ja) * | 2001-08-01 | 2003-02-13 | Nok Corp | バルブステムシール |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101314688B1 (ko) | 2012-09-05 | 2013-10-04 | 평화오일씰공업주식회사 | 밸브스템 씰링부재 |
WO2017057258A1 (ja) * | 2015-10-01 | 2017-04-06 | Nok株式会社 | バルブステムシール及び密封構造 |
JPWO2017057258A1 (ja) * | 2015-10-01 | 2018-05-31 | Nok株式会社 | バルブステムシール及び密封構造 |
US11465670B2 (en) * | 2019-04-18 | 2022-10-11 | Zf Active Safety And Electronics Us Llc | Steering shaft support assembly |
Also Published As
Publication number | Publication date |
---|---|
JP4853636B2 (ja) | 2012-01-11 |
EP1884630A1 (en) | 2008-02-06 |
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