DE502004010167D1 - VALVE SHAFT SEALING FOR INTERNAL COMBUSTION ENGINES - Google Patents

VALVE SHAFT SEALING FOR INTERNAL COMBUSTION ENGINES

Info

Publication number
DE502004010167D1
DE502004010167D1 DE502004010167T DE502004010167T DE502004010167D1 DE 502004010167 D1 DE502004010167 D1 DE 502004010167D1 DE 502004010167 T DE502004010167 T DE 502004010167T DE 502004010167 T DE502004010167 T DE 502004010167T DE 502004010167 D1 DE502004010167 D1 DE 502004010167D1
Authority
DE
Germany
Prior art keywords
internal combustion
combustion engines
valve shaft
shaft sealing
sealing
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 - Lifetime
Application number
DE502004010167T
Other languages
German (de)
Inventor
Massimo Martelli
Stefano Bermond
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg 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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of DE502004010167D1 publication Critical patent/DE502004010167D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01L1/32—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for rotating lift valves, e.g. to diminish wear
    • 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
    • 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
DE502004010167T 2003-06-05 2004-03-06 VALVE SHAFT SEALING FOR INTERNAL COMBUSTION ENGINES Expired - Lifetime DE502004010167D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10325764A DE10325764B3 (en) 2003-06-05 2003-06-05 Valve stem seal for internal combustion engines
PCT/EP2004/002324 WO2004109067A1 (en) 2003-06-05 2004-03-06 Valve stem seal for internal combustion engines

Publications (1)

Publication Number Publication Date
DE502004010167D1 true DE502004010167D1 (en) 2009-11-12

Family

ID=33494869

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10325764A Expired - Lifetime DE10325764B3 (en) 2003-06-05 2003-06-05 Valve stem seal for internal combustion engines
DE502004010167T Expired - Lifetime DE502004010167D1 (en) 2003-06-05 2004-03-06 VALVE SHAFT SEALING FOR INTERNAL COMBUSTION ENGINES

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10325764A Expired - Lifetime DE10325764B3 (en) 2003-06-05 2003-06-05 Valve stem seal for internal combustion engines

Country Status (3)

Country Link
EP (1) EP1633957B1 (en)
DE (2) DE10325764B3 (en)
WO (1) WO2004109067A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004938B4 (en) * 2004-01-31 2007-11-29 Ab Skf sealing arrangement
US9416690B2 (en) 2009-07-30 2016-08-16 Freudenberg-Nok General Partnership Reduced inertia valve stem seal flange
CN104564209A (en) * 2015-01-13 2015-04-29 十堰东森汽车密封件有限公司 Natural gas valve oil seal for heavy duty truck
CN113710879A (en) * 2019-05-13 2021-11-26 Nok株式会社 Valve stem seal
KR102251417B1 (en) * 2020-03-11 2021-05-12 평화오일씰공업 주식회사 Valve stem seal and internal combustion engine valve with the same
DE102021106307A1 (en) 2021-03-16 2022-09-22 Federal-Mogul Valvetrain Gmbh Valve stem device with valve turning device
DE102021122847A1 (en) * 2021-09-03 2023-03-09 Federal-Mogul Valvetrain Gmbh Valve rotation device and composite component therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1750200A1 (en) * 1968-04-06 1971-02-11 Alois Ferch Multi-part valve stem seal for internal combustion engines or the like.
DE3326811A1 (en) * 1983-07-26 1985-02-14 Elring Dichtungswerke Gmbh, 7012 Fellbach Stem or shaft seal, in particular a valve-stem seal
DE3711436C1 (en) * 1987-04-04 1988-07-21 Goetze Ag Mounting device for valve stem seals
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
US5775284A (en) * 1997-05-07 1998-07-07 Freudenberg-Nok General Partnership Two-piece valve stem seal
US6205969B1 (en) * 1999-12-22 2001-03-27 Dana Corporation Multi-seal retainer assembly and method for making the same
DE10028587A1 (en) * 2000-06-14 2002-01-03 Freudenberg Carl Fa Valve operation of an internal combustion engine
JP2002070510A (en) * 2000-08-25 2002-03-08 Murata Hatsujo Kk Valve mechanism having valve rotating device

Also Published As

Publication number Publication date
WO2004109067A1 (en) 2004-12-16
DE10325764B3 (en) 2005-08-04
EP1633957B1 (en) 2009-09-30
EP1633957A1 (en) 2006-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition