FR2442897A1 - Procede pour la cementation de pieces creuses, en particulier d'injecteurs - Google Patents

Procede pour la cementation de pieces creuses, en particulier d'injecteurs

Info

Publication number
FR2442897A1
FR2442897A1 FR7928482A FR7928482A FR2442897A1 FR 2442897 A1 FR2442897 A1 FR 2442897A1 FR 7928482 A FR7928482 A FR 7928482A FR 7928482 A FR7928482 A FR 7928482A FR 2442897 A1 FR2442897 A1 FR 2442897A1
Authority
FR
France
Prior art keywords
cementing
hollow parts
injectors
carburizing
gas
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.)
Pending
Application number
FR7928482A
Other languages
English (en)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of FR2442897A1 publication Critical patent/FR2442897A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/166—Selection of particular materials
    • 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
    • C23C8/06—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 gases
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
FR7928482A 1978-12-01 1979-11-19 Procede pour la cementation de pieces creuses, en particulier d'injecteurs Pending FR2442897A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782851983 DE2851983B2 (de) 1978-12-01 1978-12-01 Verfahren zum Aufkohlen von Hohlkörpern, insbesondere von Düsen

Publications (1)

Publication Number Publication Date
FR2442897A1 true FR2442897A1 (fr) 1980-06-27

Family

ID=6056055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928482A Pending FR2442897A1 (fr) 1978-12-01 1979-11-19 Procede pour la cementation de pieces creuses, en particulier d'injecteurs

Country Status (6)

Country Link
JP (1) JPS5576062A (de)
BR (1) BR7907645A (de)
DE (1) DE2851983B2 (de)
FR (1) FR2442897A1 (de)
GB (1) GB2040318A (de)
PL (1) PL219994A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5292555A (en) * 1990-07-04 1994-03-08 Degussa Aktiengesellschaft Process for applying nitride layers to titanium
DE4115135C1 (de) * 1991-05-08 1992-02-27 Degussa Ag, 6000 Frankfurt, De
DE19618650B4 (de) * 1996-05-09 2006-04-27 Robert Bosch Gmbh Verfahren zur Herstellung eines Kraftstoffeinspritzventils für Brennkraftmaschinen
DE10107810A1 (de) * 2001-02-20 2002-09-05 Bosch Gmbh Robert Vorrichtung zum partiellen Aufkohlen von Bauteilen
DE10109565B4 (de) 2001-02-28 2005-10-20 Vacuheat Gmbh Verfahren und Vorrichtung zur partiellen thermochemischen Vakuumbehandlung von metallischen Werkstücken
DE10139620A1 (de) 2001-08-11 2003-02-27 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen und ein Verfahren zur Härtung desselben
JP3884310B2 (ja) * 2002-03-22 2007-02-21 愛三工業株式会社 電磁式燃料噴射弁
JP5104806B2 (ja) 2009-04-03 2012-12-19 株式会社デンソー 燃料噴射弁及び燃料噴射弁の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172261A1 (de) * 1972-02-16 1973-09-28 Daimler Benz Ag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172261A1 (de) * 1972-02-16 1973-09-28 Daimler Benz Ag

Also Published As

Publication number Publication date
PL219994A1 (de) 1980-08-11
GB2040318A (en) 1980-08-28
JPS5576062A (en) 1980-06-07
BR7907645A (pt) 1980-07-08
DE2851983B2 (de) 1980-11-06
DE2851983A1 (de) 1980-06-04

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