BRPI0415532A - pistão tendo um revestimento padronizado e método de aplicação do mesmo - Google Patents

pistão tendo um revestimento padronizado e método de aplicação do mesmo

Info

Publication number
BRPI0415532A
BRPI0415532A BRPI0415532-7A BRPI0415532A BRPI0415532A BR PI0415532 A BRPI0415532 A BR PI0415532A BR PI0415532 A BRPI0415532 A BR PI0415532A BR PI0415532 A BRPI0415532 A BR PI0415532A
Authority
BR
Brazil
Prior art keywords
piston
skirt
liner
cylinder
crown
Prior art date
Application number
BRPI0415532-7A
Other languages
English (en)
Inventor
Wolfgang Rein
David Roth
Jonathan Douglas
Original Assignee
Mahle Gmbh
Mahle Technology Inc
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 Gmbh, Mahle Technology Inc filed Critical Mahle Gmbh
Publication of BRPI0415532A publication Critical patent/BRPI0415532A/pt

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
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
    • C23C4/16—Wires; Tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/10—Pistons  having surface coverings
    • F02F3/105—Pistons  having surface coverings the coverings forming a double skirt
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/02—Bearing surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49249—Piston making
    • Y10T29/49256—Piston making with assembly or composite article making
    • Y10T29/49263—Piston making with assembly or composite article making by coating or cladding

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

"PISTãO TENDO UM REVESTIMENTO PADRONIZADO E MéTODO DE APLICAçãO DO MESMO". A presente invenção refere-se a um pistão adaptado para movimento alternado dentro dos cilindros de um motor de combustão interna. O pistão inclui um corpo tendo uma coroa formada nas margens superiores do corpo e uma saia, dependendo da coroa, adaptado para movimento deslizante relativo com relação ao cilindro. O pistão ainda inclui um revestimento ligado à saia de pistão de modo a ficar justaposto entre a saia e o cilindro. O revestimento tem uma pluralidade de reentrâncias formadas sobre ele de modo a definir um padrão predeterminado de reentrâncias sobre a superfície da saia, que retém lubrificante entre a saia e a parede de cilindro. O revestimento também pode dirigir lubrificante ao longo da circunferência externa da saia de pistão durante movimento alternado do pistão dentro de um cilindro. Um método de aplicação do revestimento à saia de pistão também é descrito.
BRPI0415532-7A 2003-10-23 2004-10-21 pistão tendo um revestimento padronizado e método de aplicação do mesmo BRPI0415532A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/691,954 US7171936B2 (en) 2003-10-23 2003-10-23 Piston having a patterned coating and method of applying same
PCT/IB2004/004411 WO2005042953A2 (en) 2003-10-23 2004-10-21 Piston having a patterned coating and method of applying same

Publications (1)

Publication Number Publication Date
BRPI0415532A true BRPI0415532A (pt) 2006-12-26

Family

ID=34521988

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0415532-7A BRPI0415532A (pt) 2003-10-23 2004-10-21 pistão tendo um revestimento padronizado e método de aplicação do mesmo

Country Status (7)

Country Link
US (1) US7171936B2 (pt)
EP (1) EP1692384B1 (pt)
JP (1) JP4741501B2 (pt)
CN (1) CN100504057C (pt)
BR (1) BRPI0415532A (pt)
DE (1) DE602004013625D1 (pt)
WO (1) WO2005042953A2 (pt)

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Also Published As

Publication number Publication date
JP4741501B2 (ja) 2011-08-03
US7171936B2 (en) 2007-02-06
EP1692384B1 (en) 2008-05-07
US20050087166A1 (en) 2005-04-28
EP1692384A2 (en) 2006-08-23
WO2005042953A2 (en) 2005-05-12
JP2007509279A (ja) 2007-04-12
CN1871422A (zh) 2006-11-29
CN100504057C (zh) 2009-06-24
WO2005042953A3 (en) 2005-08-04
DE602004013625D1 (de) 2008-06-19

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2641 DE 17-08-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.