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FR2626951B1 - - Google Patents

Info

Publication number
FR2626951B1
FR2626951B1 FR8901551A FR8901551A FR2626951B1 FR 2626951 B1 FR2626951 B1 FR 2626951B1 FR 8901551 A FR8901551 A FR 8901551A FR 8901551 A FR8901551 A FR 8901551A FR 2626951 B1 FR2626951 B1 FR 2626951B1
Authority
FR
France
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
FR8901551A
Other languages
French (fr)
Other versions
FR2626951A1 (en
Inventor
Helmut Swars
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.)
Vitesco Technologies Lohmar Verwaltungs GmbH
Original Assignee
Emitec Gesellschaft fuer Emissionstechnologie mbH
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 Emitec Gesellschaft fuer Emissionstechnologie mbH filed Critical Emitec Gesellschaft fuer Emissionstechnologie mbH
Publication of FR2626951A1 publication Critical patent/FR2626951A1/en
Application granted granted Critical
Publication of FR2626951B1 publication Critical patent/FR2626951B1/fr
Granted 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
    • C23C8/60—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 using solids, e.g. powders, pastes
    • C23C8/62—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 using solids, e.g. powders, pastes only one element being applied
    • C23C8/68—Boronising
    • C23C8/70—Boronising of ferrous surfaces
    • 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
    • C21D9/30—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for crankshafts; for camshafts
    • 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
    • C23C8/40—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 using liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 using liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/48—Nitriding
    • C23C8/50—Nitriding of ferrous surfaces
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
    • F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Heat Treatment Of Articles (AREA)
FR8901551A 1988-02-07 1989-02-07 COMPOUND CAMSHAFT Granted FR2626951A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3803687A DE3803687A1 (en) 1988-02-07 1988-02-07 BUILT CAMSHAFT

Publications (2)

Publication Number Publication Date
FR2626951A1 FR2626951A1 (en) 1989-08-11
FR2626951B1 true FR2626951B1 (en) 1995-04-07

Family

ID=6346850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8901551A Granted FR2626951A1 (en) 1988-02-07 1989-02-07 COMPOUND CAMSHAFT

Country Status (5)

Country Link
DE (1) DE3803687A1 (en)
ES (1) ES2012260A6 (en)
FR (1) FR2626951A1 (en)
GB (1) GB2215646B (en)
IT (1) IT1233030B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943262A1 (en) * 1989-12-29 1991-07-11 Balcke Duerr Ag METHOD FOR INCREASING LIABILITY BETWEEN A HOLLOW SHAFT AND ITS FASTENED PARTS
DE4205801C1 (en) * 1992-02-26 1993-07-15 Aeg-Elotherm Gmbh, 5630 Remscheid, De
DE19625555C2 (en) * 1996-06-26 1999-08-05 Hans Dipl Ing Kuehl Method and device for the rotationally fixed connection of a hollow shaft with at least one part arranged on the shaft
DE19625554C2 (en) * 1996-06-26 1999-07-29 Hans Dipl Ing Kuehl Method and device for the rotationally fixed connection of a shaft with at least one part arranged on the shaft
DE19937938A1 (en) * 1999-08-11 2001-03-29 Daimler Chrysler Ag Worked camshaft; has cam made of steel material with ledeburite joint in edge zone of its running surface
DE102005061979B4 (en) * 2005-12-23 2009-11-05 Audi Ag Method for producing a camshaft
DE102005061980B4 (en) * 2005-12-23 2010-02-18 Audi Ag Method for producing a camshaft and camshaft
DE102009025023A1 (en) 2009-06-10 2010-12-16 Neumayer Tekfor Holding Gmbh Method for producing a camshaft and corresponding camshaft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445623C3 (en) * 1974-09-25 1979-05-03 Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover Process for the production of workpieces from steel that are subject to thermal stress
DE2546802C3 (en) * 1975-10-18 1979-08-09 Kloeckner-Humboldt-Deutz Ag, 5000 Koeln Cam wager for reciprocating engines
US4597365A (en) * 1985-02-07 1986-07-01 General Motors Corporation Camshaft assembly and method

Also Published As

Publication number Publication date
IT1233030B (en) 1992-03-14
IT8905108A0 (en) 1989-02-03
FR2626951A1 (en) 1989-08-11
GB2215646A (en) 1989-09-27
DE3803687C2 (en) 1992-02-06
GB2215646B (en) 1992-03-18
ES2012260A6 (en) 1990-03-01
DE3803687A1 (en) 1989-08-17
GB8902326D0 (en) 1989-03-22

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Legal Events

Date Code Title Description
ST Notification of lapse