NL7905488A - Werkwijze voor het voorzien van klepzittingen en kleppen van verbrandingsmotoren met een harde laag. - Google Patents

Werkwijze voor het voorzien van klepzittingen en kleppen van verbrandingsmotoren met een harde laag. Download PDF

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Publication number
NL7905488A
NL7905488A NL7905488A NL7905488A NL7905488A NL 7905488 A NL7905488 A NL 7905488A NL 7905488 A NL7905488 A NL 7905488A NL 7905488 A NL7905488 A NL 7905488A NL 7905488 A NL7905488 A NL 7905488A
Authority
NL
Netherlands
Prior art keywords
valves
valve
combustion engines
valve seats
stresses
Prior art date
Application number
NL7905488A
Other languages
English (en)
Dutch (nl)
Original Assignee
Maschf Augsburg Nuernberg Ag
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 Maschf Augsburg Nuernberg Ag filed Critical Maschf Augsburg Nuernberg Ag
Publication of NL7905488A publication Critical patent/NL7905488A/nl

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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
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Forging (AREA)
  • Lift Valve (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
NL7905488A 1978-07-18 1979-07-13 Werkwijze voor het voorzien van klepzittingen en kleppen van verbrandingsmotoren met een harde laag. NL7905488A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782831454 DE2831454C2 (de) 1978-07-18 1978-07-18 Verfahren zum Panzern der Ventilsitze von Ventilen für Brennkraftmaschinen
DE2831454 1978-07-18

Publications (1)

Publication Number Publication Date
NL7905488A true NL7905488A (nl) 1980-01-22

Family

ID=6044648

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7905488A NL7905488A (nl) 1978-07-18 1979-07-13 Werkwijze voor het voorzien van klepzittingen en kleppen van verbrandingsmotoren met een harde laag.

Country Status (4)

Country Link
JP (1) JPS5517692A (ja)
DE (1) DE2831454C2 (ja)
FR (1) FR2431600B1 (ja)
NL (1) NL7905488A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57167820U (ja) * 1981-04-15 1982-10-22

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR952880A (fr) * 1946-08-09 1949-11-25 Shell Refining & Marketing Co Soupape pour moteur à combustion interne
FR1025682A (fr) * 1949-12-01 1953-04-17 Teves Gmbh Alfred Soupape <blindée> avec un métal dur pour moteurs à combustion interne
US3147747A (en) * 1963-06-24 1964-09-08 Engineering Dev Corp Valves for internal combustion engines

Also Published As

Publication number Publication date
JPS5517692A (en) 1980-02-07
DE2831454C2 (de) 1980-10-09
FR2431600B1 (fr) 1985-09-27
JPS621082B2 (ja) 1987-01-12
FR2431600A1 (fr) 1980-02-15
DE2831454B1 (de) 1980-02-07

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed