FR2114577A5 - Material for self-lubricating valve seats - for internal combustion engines using lead-free petrol - Google Patents

Material for self-lubricating valve seats - for internal combustion engines using lead-free petrol

Info

Publication number
FR2114577A5
FR2114577A5 FR7140443A FR7140443A FR2114577A5 FR 2114577 A5 FR2114577 A5 FR 2114577A5 FR 7140443 A FR7140443 A FR 7140443A FR 7140443 A FR7140443 A FR 7140443A FR 2114577 A5 FR2114577 A5 FR 2114577A5
Authority
FR
France
Prior art keywords
self
internal combustion
combustion engines
valve seats
lead
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
Application number
FR7140443A
Other languages
French (fr)
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.)
Honda Motor Co Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Honda Motor Co Ltd
Sumitomo Electric Industries Ltd
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 Honda Motor Co Ltd, Sumitomo Electric Industries Ltd filed Critical Honda Motor Co Ltd
Application granted granted Critical
Publication of FR2114577A5 publication Critical patent/FR2114577A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Powder Metallurgy (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Lubricants (AREA)

Abstract

The material for valve seats has improved resistance to wear, is self-lubricating, heat resisting and suitable for internal combustion engines running on Pb-free petrol. It is composed of an Fe base alloy contg. a dispersion of Pb, or Pb cpd., or glass, pref. a Fe-Cr-C alloy contg. a dispersion of Pb, or a Pb cpd. in amts. of 0.3 - 10 wt.%, or Cu, or a Cu cpd. in amts. of 5-45 wt.% or silica glass up to 10 wt.%.
FR7140443A 1970-11-11 1971-11-10 Material for self-lubricating valve seats - for internal combustion engines using lead-free petrol Expired FR2114577A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9865570A JPS4912725B1 (en) 1970-11-11 1970-11-11

Publications (1)

Publication Number Publication Date
FR2114577A5 true FR2114577A5 (en) 1972-06-30

Family

ID=14225508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7140443A Expired FR2114577A5 (en) 1970-11-11 1971-11-10 Material for self-lubricating valve seats - for internal combustion engines using lead-free petrol

Country Status (4)

Country Link
JP (1) JPS4912725B1 (en)
DE (1) DE2155765B2 (en)
FR (1) FR2114577A5 (en)
IT (1) IT944818B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396091A1 (en) * 1977-07-02 1979-01-26 Krupp Ag Huettenwerke NEW STEELS INTENDED FOR THE MANUFACTURE OF RAILS, WHEELS AND / OR WHEEL BANDAGES
FR2429842A1 (en) * 1978-06-29 1980-01-25 Bleistahl Gmbh MATERIAL FOR THE MANUFACTURE BY METALLURGY OF OBJECT POWDERS HAVING HIGH WEAR RESISTANCE
FR2494151A1 (en) * 1980-11-19 1982-05-21 Brico Eng FRITTE METAL ALLOY AND PROCESS FOR PREPARING THE SAME

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346768B2 (en) * 1973-01-11 1978-12-16
US5295461A (en) * 1992-04-13 1994-03-22 Ford Motor Company Oil-starved valve assembly
JP3340908B2 (en) * 1996-02-29 2002-11-05 大同メタル工業株式会社 Sintered sliding member and manufacturing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396091A1 (en) * 1977-07-02 1979-01-26 Krupp Ag Huettenwerke NEW STEELS INTENDED FOR THE MANUFACTURE OF RAILS, WHEELS AND / OR WHEEL BANDAGES
FR2429842A1 (en) * 1978-06-29 1980-01-25 Bleistahl Gmbh MATERIAL FOR THE MANUFACTURE BY METALLURGY OF OBJECT POWDERS HAVING HIGH WEAR RESISTANCE
FR2494151A1 (en) * 1980-11-19 1982-05-21 Brico Eng FRITTE METAL ALLOY AND PROCESS FOR PREPARING THE SAME

Also Published As

Publication number Publication date
DE2155765B2 (en) 1977-11-24
DE2155765A1 (en) 1972-06-29
IT944818B (en) 1973-04-20
JPS4912725B1 (en) 1974-03-27

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Legal Events

Date Code Title Description
ST Notification of lapse