ATE530739T1 - JOINT DE TIGE DE SOUPAPE - Google Patents

JOINT DE TIGE DE SOUPAPE

Info

Publication number
ATE530739T1
ATE530739T1 AT10002787T AT10002787T ATE530739T1 AT E530739 T1 ATE530739 T1 AT E530739T1 AT 10002787 T AT10002787 T AT 10002787T AT 10002787 T AT10002787 T AT 10002787T AT E530739 T1 ATE530739 T1 AT E530739T1
Authority
AT
Austria
Prior art keywords
mounting ring
valve
ring
internal diameter
spring receiving
Prior art date
Application number
AT10002787T
Other languages
German (de)
Inventor
Mitsugu Kobayashi
Original Assignee
Freudenberg Carl Kg
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 Freudenberg Carl Kg filed Critical Freudenberg Carl Kg
Application granted granted Critical
Publication of ATE530739T1 publication Critical patent/ATE530739T1/en

Links

Classifications

    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F01L1/462—Valve return spring arrangements

Abstract

To provide a valve stem seal 1 of the structure which is excellent in mechanical strength in response to the high output of an internal combustion engine without causing difficulty of manufacture. A valve stem seal includes a mounting ring 11 arranged so as to surround the outer periphery of a valve guide 3 protruding from a cylinder head 2, a seal lip 12 integrally provided at one end of the mounting ring 11 and slidably brought into close contact with the outer peripheral surface of a valve stem 4 which is inserted through the valve guide 3 and biased in the axial direction by a valve spring 5, a spring receiving ring 14 arranged at the outer periphery of the mounting ring 11 and pushed against the cylinder head 2 by the valve spring 5. The spring receiving ring 14 has a rigidity higher than the mounting ring 11, and has an internal diameter portion locked to a locking groove 11c formed at the outer peripheral surface of the mounting ring 11, and, a groove shoulder of the locking groove 11c on the side of the seal lip 12 is formed with a deformable projecting portion 11e having a diameter larger than the internal diameter of the mounting ring 11 and permitting the internal diameter portion of the spring receiving ring 14 to axially pass therethrough.
AT10002787T 2009-03-17 2010-03-17 JOINT DE TIGE DE SOUPAPE ATE530739T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009063971A JP2010216567A (en) 2009-03-17 2009-03-17 Valve stem seal

Publications (1)

Publication Number Publication Date
ATE530739T1 true ATE530739T1 (en) 2011-11-15

Family

ID=42122789

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10002787T ATE530739T1 (en) 2009-03-17 2010-03-17 JOINT DE TIGE DE SOUPAPE

Country Status (3)

Country Link
EP (1) EP2236776B1 (en)
JP (1) JP2010216567A (en)
AT (1) ATE530739T1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20130894A1 (en) 2013-11-04 2015-05-05 Corcos Ind S A S Di Extern A Italia S R L GASKET FOR A SINGLE COMBUSTION ENGINE VALVE
ITUA20162719A1 (en) * 2016-04-19 2017-10-19 Freudenberg Sealing Tech S A S Di Externa Italia S R L U GASKET FOR A SINGLE COMBUSTION ENGINE VALVE
CN113710879A (en) * 2019-05-13 2021-11-26 Nok株式会社 Valve stem seal
US20230313713A1 (en) * 2022-04-05 2023-10-05 GM Global Technology Operations LLC Engine valve assembly including detent mechanism configured to increase force biasing valve toward closed position when valve is at or near closed position

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902518A1 (en) 1989-01-28 1990-08-02 Goetze Ag VALVE SEAL
US5174256A (en) 1991-11-25 1992-12-29 Dana Corporation Variable guide height valve seal
JP2003343734A (en) * 2002-05-24 2003-12-03 Nok Corp Sealing device
JP2004176881A (en) 2002-11-29 2004-06-24 Nok Corp Sealing device
US7025030B2 (en) 2003-08-21 2006-04-11 Dana Corporation Valve stem seal assembly with changeable cap
US6901902B1 (en) * 2004-02-25 2005-06-07 Freudenberg-Nok General Partnership Two-piece valve stem seal

Also Published As

Publication number Publication date
EP2236776A1 (en) 2010-10-06
JP2010216567A (en) 2010-09-30
EP2236776B1 (en) 2011-10-26

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties