FR2380419A2 - IC engine valve body - is provided with a welded-on plate which is partially melted before welding - Google Patents

IC engine valve body - is provided with a welded-on plate which is partially melted before welding

Info

Publication number
FR2380419A2
FR2380419A2 FR7705159A FR7705159A FR2380419A2 FR 2380419 A2 FR2380419 A2 FR 2380419A2 FR 7705159 A FR7705159 A FR 7705159A FR 7705159 A FR7705159 A FR 7705159A FR 2380419 A2 FR2380419 A2 FR 2380419A2
Authority
FR
France
Prior art keywords
plate
valve body
before welding
temp
welded
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.)
Granted
Application number
FR7705159A
Other languages
French (fr)
Other versions
FR2380419B2 (en
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.)
Dervaux SA
Original Assignee
Dervaux SA
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 Dervaux SA filed Critical Dervaux SA
Priority to FR7705159A priority Critical patent/FR2380419A2/en
Priority to CH651577A priority patent/CH623079A5/en
Publication of FR2380419A2 publication Critical patent/FR2380419A2/en
Application granted granted Critical
Publication of FR2380419B2 publication Critical patent/FR2380419B2/fr
Granted legal-status Critical Current

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033—Ni as the principal constituent
    • B23K35/304—Ni as the principal constituent with Cr as the next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
    • B23P15/002—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings poppet valves
    • 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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Mfr. of valve for IC engines or for use at high temps. in highly corrosive environments involves depositing on the valve body a plate and before welding the plate to the body subjecting the plate zone to a very high temp. so as to melt the deposited plate to produce a homogeneousation of the zone structure. Pref. the welding stage is followed by an aging phase in which the ageing comprises holding the plate zone at a temp just above that at which the valve functions but below the temp. at which the plate structure forms a solid solution. The process enables the plate to reinforce the valve body and to increase its resistance to corrosion.
FR7705159A 1977-02-15 1977-02-15 IC engine valve body - is provided with a welded-on plate which is partially melted before welding Granted FR2380419A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7705159A FR2380419A2 (en) 1977-02-15 1977-02-15 IC engine valve body - is provided with a welded-on plate which is partially melted before welding
CH651577A CH623079A5 (en) 1977-02-15 1977-05-26 Process for the manufacture of hard-surfaced mechanical members

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7705159A FR2380419A2 (en) 1977-02-15 1977-02-15 IC engine valve body - is provided with a welded-on plate which is partially melted before welding

Publications (2)

Publication Number Publication Date
FR2380419A2 true FR2380419A2 (en) 1978-09-08
FR2380419B2 FR2380419B2 (en) 1982-08-06

Family

ID=9187076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7705159A Granted FR2380419A2 (en) 1977-02-15 1977-02-15 IC engine valve body - is provided with a welded-on plate which is partially melted before welding

Country Status (1)

Country Link
FR (1) FR2380419A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414293A1 (en) * 1978-01-16 1979-08-10 Dumont Michel Collector towed behind baler to form row of bales - has inclined conveyor discharging onto swinging gate which is responsive to automatic switch
EP0204121A1 (en) * 1985-05-11 1986-12-10 M.A.N. - B&W Diesel GmbH Method of manufacturing a valve with a high mechanical and heat resistance, also against heat corrosion, for a combustion engine using heavy oil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1024716A (en) * 1949-11-25 1953-04-07 Teves Kg Alfred Process for the manufacture of exhaust valves for internal combustion engines
FR1111049A (en) * 1953-11-06 1956-02-21 Gen Electric Co Ltd Welding process
FR2206390A1 (en) * 1972-11-13 1974-06-07 Schwermasch Liebknecht Veb K Hard-facing valve seats - by depositing a layer of nickel -tungsten hot work tool steel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1024716A (en) * 1949-11-25 1953-04-07 Teves Kg Alfred Process for the manufacture of exhaust valves for internal combustion engines
FR1111049A (en) * 1953-11-06 1956-02-21 Gen Electric Co Ltd Welding process
FR2206390A1 (en) * 1972-11-13 1974-06-07 Schwermasch Liebknecht Veb K Hard-facing valve seats - by depositing a layer of nickel -tungsten hot work tool steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414293A1 (en) * 1978-01-16 1979-08-10 Dumont Michel Collector towed behind baler to form row of bales - has inclined conveyor discharging onto swinging gate which is responsive to automatic switch
EP0204121A1 (en) * 1985-05-11 1986-12-10 M.A.N. - B&W Diesel GmbH Method of manufacturing a valve with a high mechanical and heat resistance, also against heat corrosion, for a combustion engine using heavy oil

Also Published As

Publication number Publication date
FR2380419B2 (en) 1982-08-06

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Legal Events

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TP Transmission of property