FR2853669B1 - Procede de traitement d'une soupape comportant une etape de nitruration et soupape obtenue par le procede - Google Patents

Procede de traitement d'une soupape comportant une etape de nitruration et soupape obtenue par le procede

Info

Publication number
FR2853669B1
FR2853669B1 FR0304507A FR0304507A FR2853669B1 FR 2853669 B1 FR2853669 B1 FR 2853669B1 FR 0304507 A FR0304507 A FR 0304507A FR 0304507 A FR0304507 A FR 0304507A FR 2853669 B1 FR2853669 B1 FR 2853669B1
Authority
FR
France
Prior art keywords
valve
processing
nitridation step
nitridation
valve obtained
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
Application number
FR0304507A
Other languages
English (en)
Other versions
FR2853669A1 (fr
Inventor
Brice Bayle
Alain Paris
Denis Sylvestre
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.)
Renault SAS
Original Assignee
Renault SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32865410&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2853669(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Renault SAS filed Critical Renault SAS
Priority to FR0304507A priority Critical patent/FR2853669B1/fr
Priority to EP04300191A priority patent/EP1466995B1/fr
Publication of FR2853669A1 publication Critical patent/FR2853669A1/fr
Application granted granted Critical
Publication of FR2853669B1 publication Critical patent/FR2853669B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • 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
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • F01L3/04—Coated valve members or valve-seats
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Fuel-Injection Apparatus (AREA)
FR0304507A 2003-04-11 2003-04-11 Procede de traitement d'une soupape comportant une etape de nitruration et soupape obtenue par le procede Expired - Fee Related FR2853669B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0304507A FR2853669B1 (fr) 2003-04-11 2003-04-11 Procede de traitement d'une soupape comportant une etape de nitruration et soupape obtenue par le procede
EP04300191A EP1466995B1 (fr) 2003-04-11 2004-04-08 Procédé de traitement d'une soupape comportant une étape de nitruration et soupape obtenue par le procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0304507A FR2853669B1 (fr) 2003-04-11 2003-04-11 Procede de traitement d'une soupape comportant une etape de nitruration et soupape obtenue par le procede

Publications (2)

Publication Number Publication Date
FR2853669A1 FR2853669A1 (fr) 2004-10-15
FR2853669B1 true FR2853669B1 (fr) 2006-12-08

Family

ID=32865410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0304507A Expired - Fee Related FR2853669B1 (fr) 2003-04-11 2003-04-11 Procede de traitement d'une soupape comportant une etape de nitruration et soupape obtenue par le procede

Country Status (2)

Country Link
EP (1) EP1466995B1 (fr)
FR (1) FR2853669B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0738786A1 (fr) * 1995-04-21 1996-10-23 Fuji Oozx Inc. Méthode de traitement la surface d'une soupape à champignon
US5934238A (en) * 1998-02-20 1999-08-10 Eaton Corporation Engine valve assembly
JP3794255B2 (ja) * 2000-09-21 2006-07-05 日産自動車株式会社 摺動部品及びその製造方法

Also Published As

Publication number Publication date
FR2853669A1 (fr) 2004-10-15
EP1466995A1 (fr) 2004-10-13
EP1466995B1 (fr) 2012-07-18

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