JP2817029B2 - 内燃機関用給−排気弁の硬化方法 - Google Patents

内燃機関用給−排気弁の硬化方法

Info

Publication number
JP2817029B2
JP2817029B2 JP7080627A JP8062795A JP2817029B2 JP 2817029 B2 JP2817029 B2 JP 2817029B2 JP 7080627 A JP7080627 A JP 7080627A JP 8062795 A JP8062795 A JP 8062795A JP 2817029 B2 JP2817029 B2 JP 2817029B2
Authority
JP
Japan
Prior art keywords
valve
combustion engine
internal combustion
curing
exhaust valve
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
JP7080627A
Other languages
English (en)
Japanese (ja)
Other versions
JPH07268475A (ja
Inventor
パヴエル・ホーラ
Original Assignee
メルセデス−ベンツ・アクチエンゲゼルシヤフト
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 メルセデス−ベンツ・アクチエンゲゼルシヤフト filed Critical メルセデス−ベンツ・アクチエンゲゼルシヤフト
Publication of JPH07268475A publication Critical patent/JPH07268475A/ja
Application granted granted Critical
Publication of JP2817029B2 publication Critical patent/JP2817029B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00Lift-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
    • F01L3/02Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Articles (AREA)
JP7080627A 1994-03-03 1995-03-02 内燃機関用給−排気弁の硬化方法 Expired - Lifetime JP2817029B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4406896A DE4406896C1 (de) 1994-03-03 1994-03-03 Verfahren zum Härten von Einmetall-Ventilen, insbesondere von Einlaßventilen für Brennkraftmaschinen
DE4406896.4 1994-03-03

Publications (2)

Publication Number Publication Date
JPH07268475A JPH07268475A (ja) 1995-10-17
JP2817029B2 true JP2817029B2 (ja) 1998-10-27

Family

ID=6511661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7080627A Expired - Lifetime JP2817029B2 (ja) 1994-03-03 1995-03-02 内燃機関用給−排気弁の硬化方法

Country Status (3)

Country Link
EP (1) EP0670375B1 (de)
JP (1) JP2817029B2 (de)
DE (2) DE4406896C1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2896514B1 (fr) * 2006-01-26 2008-05-30 Aubert & Duval Soc Par Actions Acier martensitique inoxydable et procede de fabrication d'une piece en cet acier, telle qu'une soupape.
WO2019180741A1 (en) * 2018-03-20 2019-09-26 Durovalves India Pvt. Ltd. Monometallic inlet valve for crail engine with hardened tappet end

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1206455B (de) * 1959-08-14 1965-12-09 Daimler Benz Ag Verfahren zum Haerten von Ventilen, insbesondere von Einlassventilen fuer Brennkraftmaschinen
DE1216905B (de) * 1961-07-28 1966-05-18 Bbc Brown Boveri & Cie Vorrichtung zum gleichmaessigen und schnellen Abkuehlen von Werkstuecken, vorzugsweise von Schmiede- oder Gussteilen
US3319321A (en) * 1964-01-10 1967-05-16 Eaton Mfg Co Method of making engine valve
JPS5137250A (ja) * 1974-09-26 1976-03-29 Dainippon Toryo Kk Hanshagataekishohyojisochi
JPS63169326A (ja) * 1986-12-30 1988-07-13 Honda Motor Co Ltd 吸気バルブ
DE4014072A1 (de) * 1989-06-09 1990-12-20 Thyssen Edelstahlwerke Ag Verwendung von ausscheidungshaertenden ferritisch-perlitischen (afp-)staehlen als werkstoff fuer gaswechselventile von verbrennungsmotoren
DE4007487A1 (de) * 1990-03-09 1991-09-12 Skf Gmbh Verfahren zur herstellung von maschinenelementen aus stahl

Also Published As

Publication number Publication date
JPH07268475A (ja) 1995-10-17
EP0670375B1 (de) 1998-09-09
EP0670375A1 (de) 1995-09-06
DE59503476D1 (de) 1998-10-15
DE4406896C1 (de) 1995-06-29

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