BR102012028060A2 - Válvula para motores de combustão interna - Google Patents

Válvula para motores de combustão interna

Info

Publication number
BR102012028060A2
BR102012028060A2 BRBR102012028060-4A BR102012028060A BR102012028060A2 BR 102012028060 A2 BR102012028060 A2 BR 102012028060A2 BR 102012028060 A BR102012028060 A BR 102012028060A BR 102012028060 A2 BR102012028060 A2 BR 102012028060A2
Authority
BR
Brazil
Prior art keywords
valve
internal combustion
combustion engines
coating
tungsten
Prior art date
Application number
BRBR102012028060-4A
Other languages
English (en)
Inventor
Rodrigo Favaron
Vinicius Bossoni Do Amaral
Original Assignee
Mahle Metal Leve Sa
Mahle Int Gmbh
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 Mahle Metal Leve Sa, Mahle Int Gmbh filed Critical Mahle Metal Leve Sa
Priority to BRBR102012028060-4A priority Critical patent/BR102012028060A2/pt
Priority to PCT/BR2013/000450 priority patent/WO2014066966A1/pt
Priority to US14/439,506 priority patent/US10215065B2/en
Priority to CN201380054558.1A priority patent/CN104736802A/zh
Priority to EP13811341.0A priority patent/EP2921663B1/en
Publication of BR102012028060A2 publication Critical patent/BR102012028060A2/pt

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
    • F01L3/04—Coated valve members or valve-seats
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • 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
    • F01L2301/00—Using particular materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Vapour Deposition (AREA)
  • Lift Valve (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

VÁLVULA PARA MOTORES DE COMBUSTÃO INTERNA. A presenten invenção refere-se uma válvula (1) para motores de combustão interna, composta por uma cabeça 10, uma região de assentamento 2, uma região de pescoço 3, uma haste 4 e uma ponta 5 da válvula 1, onde a pelo menos uma parte da válvula (1) é aplicado um revestimento (7) de matriz de tungstênio metálico contendo nanocarbetos de tungstênio WC, W~ 2~C. W~ 3~C, W~ 12~C ou uma mistura desses, o revestimento apresentando uma espessura entre 5<109>m e 150<109>m, dureza entre 500HV e 3500HV e sendi aplicado pelo processo de deposição química por vapor (CVD).
BRBR102012028060-4A 2012-10-31 2012-10-31 Válvula para motores de combustão interna BR102012028060A2 (pt)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BRBR102012028060-4A BR102012028060A2 (pt) 2012-10-31 2012-10-31 Válvula para motores de combustão interna
PCT/BR2013/000450 WO2014066966A1 (pt) 2012-10-31 2013-10-31 Válvula para motores de combustão interna
US14/439,506 US10215065B2 (en) 2012-10-31 2013-10-31 Valve for internal combustion engines
CN201380054558.1A CN104736802A (zh) 2012-10-31 2013-10-31 用于内燃机的阀
EP13811341.0A EP2921663B1 (en) 2012-10-31 2013-10-31 Valve for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRBR102012028060-4A BR102012028060A2 (pt) 2012-10-31 2012-10-31 Válvula para motores de combustão interna

Publications (1)

Publication Number Publication Date
BR102012028060A2 true BR102012028060A2 (pt) 2014-06-24

Family

ID=50626234

Family Applications (1)

Application Number Title Priority Date Filing Date
BRBR102012028060-4A BR102012028060A2 (pt) 2012-10-31 2012-10-31 Válvula para motores de combustão interna

Country Status (5)

Country Link
US (1) US10215065B2 (pt)
EP (1) EP2921663B1 (pt)
CN (1) CN104736802A (pt)
BR (1) BR102012028060A2 (pt)
WO (1) WO2014066966A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019207267A1 (de) * 2019-05-17 2020-11-19 Mahle International Gmbh Gaswechselventil für eine Brennkraftmaschine
DE102019207536A1 (de) * 2019-05-23 2020-11-26 Mahle International Gmbh Gaswechselventil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900592A (en) * 1973-07-25 1975-08-19 Airco Inc Method for coating a substrate to provide a titanium or zirconium nitride or carbide deposit having a hardness gradient which increases outwardly from the substrate
US5064728A (en) 1987-09-03 1991-11-12 Air Products And Chemicals, Inc. Article with internal wear resistant surfaces
US4902535A (en) * 1987-12-31 1990-02-20 Air Products And Chemicals, Inc. Method for depositing hard coatings on titanium or titanium alloys
US5771873A (en) * 1997-04-21 1998-06-30 Ford Global Technologies, Inc. Carbonaceous deposit-resistant coating for engine components
CA2366500C (en) * 1999-02-11 2010-07-27 Hardide Limited Tungsten carbide coatings and process for producing them
US7011067B2 (en) * 2002-08-19 2006-03-14 Trw Chrome plated engine valve
CN2898333Y (zh) * 2004-09-14 2007-05-09 日产自动车株式会社 内燃机用部件
GB0422608D0 (en) * 2004-10-12 2004-11-10 Hardide Ltd Alloyed tungsten produced by chemical vapour deposition
CN102337515B (zh) * 2011-10-26 2013-07-03 上海交通大学 金刚石涂层高温高压差阀的制备方法

Also Published As

Publication number Publication date
US10215065B2 (en) 2019-02-26
EP2921663A1 (en) 2015-09-23
WO2014066966A1 (pt) 2014-05-08
US20150292370A1 (en) 2015-10-15
CN104736802A (zh) 2015-06-24
EP2921663B1 (en) 2018-02-28

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements