PT2331728E - Elemento deslizante instalado num motor de combustão interna e, de modo especial, um segmento do pistão de injeção - Google Patents

Elemento deslizante instalado num motor de combustão interna e, de modo especial, um segmento do pistão de injeção

Info

Publication number
PT2331728E
PT2331728E PT97822050T PT09782205T PT2331728E PT 2331728 E PT2331728 E PT 2331728E PT 97822050 T PT97822050 T PT 97822050T PT 09782205 T PT09782205 T PT 09782205T PT 2331728 E PT2331728 E PT 2331728E
Authority
PT
Portugal
Prior art keywords
combustion engine
internal combustion
sliding element
piston ring
carbon
Prior art date
Application number
PT97822050T
Other languages
English (en)
Inventor
Steffen Hoppe
Manfred Fischer
Original Assignee
Federal Mogul Burscheid 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41570766&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT2331728(E) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Federal Mogul Burscheid Gmbh filed Critical Federal Mogul Burscheid Gmbh
Publication of PT2331728E publication Critical patent/PT2331728E/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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/343—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one DLC or an amorphous carbon based layer, the layer being doped or not
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/347—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with layers adapted for cutting tools or wear applications
    • 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
    • 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
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/14—Joint-closures
    • F16J9/16—Joint-closures obtained by stacking of rings
    • 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
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24983—Hardness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Physical Vapour Deposition (AREA)
  • Laminated Bodies (AREA)
PT97822050T 2008-10-10 2009-08-26 Elemento deslizante instalado num motor de combustão interna e, de modo especial, um segmento do pistão de injeção PT2331728E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008042747A DE102008042747A1 (de) 2008-10-10 2008-10-10 Gleitelement in einem Verbrennungsmotor, insbesondere Kolbenring

Publications (1)

Publication Number Publication Date
PT2331728E true PT2331728E (pt) 2013-10-03

Family

ID=41570766

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97822050T PT2331728E (pt) 2008-10-10 2009-08-26 Elemento deslizante instalado num motor de combustão interna e, de modo especial, um segmento do pistão de injeção

Country Status (9)

Country Link
US (1) US8652620B2 (pt)
EP (1) EP2331728B1 (pt)
JP (1) JP5427890B2 (pt)
KR (1) KR101614050B1 (pt)
CN (1) CN102171383B (pt)
BR (1) BRPI0920375B1 (pt)
DE (1) DE102008042747A1 (pt)
PT (1) PT2331728E (pt)
WO (1) WO2010040596A1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8251373B2 (en) * 2009-07-17 2012-08-28 GM Global Technology Operations LLC Seal performance for hydrogen storage and supply systems
CN103080003B (zh) * 2010-11-09 2016-08-03 株式会社尼康 碳薄膜、光学元件成形用模具及光学元件的制造方法
DE102010062114B4 (de) * 2010-11-29 2014-12-11 Federal-Mogul Burscheid Gmbh Gleitelement, insbesondere Kolbenring, mit einer Beschichtung
FR2975404B1 (fr) * 2011-05-19 2014-01-24 Hydromecanique & Frottement Piece avec revetement dlc et procede d'application du revetement dlc
BRPI1105714B1 (pt) 2011-12-07 2021-01-05 Mahle Metal Leve S/A componente deslizante para uso em motores de combustão interna
BR102012003607A2 (pt) 2012-02-16 2013-10-29 Mahle Metal Leve Sa Componente deslizante para uso em motores de combustão interna
DE102012214284B4 (de) * 2012-08-10 2014-03-13 Federal-Mogul Burscheid Gmbh Gleitelement, insbesondere Kolbenring, mit einer widerstandsfähigen Beschichtung
CA2888240C (en) * 2012-10-22 2020-09-08 Ihi Ionbond Ag Fatigue-resistant coating for metal forming members
DE102012020757A1 (de) 2012-10-23 2014-05-08 Mahle International Gmbh Bauteil mit einer Beschichtung und Verfahren zu seiner Herstellung
DE102012020756A1 (de) 2012-10-23 2014-04-24 Mahle International Gmbh Bauteil mit einer Beschichtung und Verfahren zu seiner Herstellung
DE102013200846A1 (de) 2013-01-21 2014-07-24 Federal-Mogul Burscheid Gmbh Gleitelement, insbesondere Kolbenring, mit einer Beschichtung
EP2959033B1 (de) * 2013-02-21 2017-09-13 Oerlikon Surface Solutions AG, Pfäffikon Dlc beschichtung mit einlaufschicht
WO2014156884A1 (ja) * 2013-03-28 2014-10-02 シチズンホールディングス株式会社 黒色硬質皮膜を有する装飾品
CN203770066U (zh) * 2013-06-28 2014-08-13 Lg电子株式会社 线性压缩机
US10030773B2 (en) 2016-03-04 2018-07-24 Mahle International Gmbh Piston ring
BR102016007169B1 (pt) * 2016-03-31 2023-01-10 Mahle International Gmbh Anel de pistão para motores de combustão interna, processo para obtenção de anel de pistão e motor de combustão interna
CN106868504B (zh) * 2017-01-04 2019-02-19 兰州空间技术物理研究所 一种柴油发动机零件表面多层耐磨减摩薄膜及其制备方法
US10883601B2 (en) 2017-03-31 2021-01-05 Kabushiki Kaisha Riken Sliding member and piston ring
CN110462198B (zh) 2017-03-31 2020-07-24 株式会社理研 滑动构件和活塞环
US11162586B2 (en) * 2017-06-02 2021-11-02 Mahle International Gmbh Piston ring and method of manufacture
JP6511126B1 (ja) * 2017-12-27 2019-05-15 株式会社リケン 摺動部材およびピストンリング
DE102020124180A1 (de) 2020-09-16 2022-03-17 Federal-Mogul Burscheid Gmbh Gleitelement, insbesondere Kolbenring
WO2022253859A1 (en) * 2021-06-04 2022-12-08 Nanofilm Technologies International Limited Anti-static coating
CN113551034B (zh) * 2021-07-28 2024-07-23 安庆帝伯格茨活塞环有限公司 一种双过渡层类金刚石涂层活塞环

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29605666U1 (de) * 1996-03-27 1996-05-30 Volkswagen Ag, 38440 Wolfsburg Bauteil im Bereich von Verbrennungsräumen
DE19825860A1 (de) * 1998-06-10 1999-12-16 Elgan Diamantwerkzeuge Gmbh & Kolbenring und seine Verwendung
JP4683177B2 (ja) 2001-07-17 2011-05-11 住友電気工業株式会社 非晶質炭素被膜と非晶質炭素被膜の製造方法および非晶質炭素被膜の被覆部材
US6815054B1 (en) * 2001-07-26 2004-11-09 Seagate Technology Llc Ultra-thin, corrosion resistant, hydrogenated carbon overcoats by combined sputtering and PECVD
JP4473592B2 (ja) * 2003-02-07 2010-06-02 カヤバ工業株式会社 Ｄｌｃコーティング膜
US20040258547A1 (en) * 2003-04-02 2004-12-23 Kurt Burger Pump piston and/or elements sealing the pump piston, in particular a sealing ring of elastomeric material, and a device and method for coating an object of elastomeric material
DE102004032403B3 (de) * 2004-07-03 2005-12-22 Federal-Mogul Burscheid Gmbh Verfahren zur Erzeugung einer Beschichtung auf einem Kolbenring sowie Kolbenring
CN101001976B (zh) 2004-07-09 2010-12-29 奥尔利康贸易股份公司（特吕巴赫） 具有金属-类金刚石碳硬质材料涂层的含铜导电材料
CN101208461B (zh) * 2005-05-26 2011-07-06 萨尔泽曼塔普拉斯有限公司 具有多层硬质涂层的活塞环
JP5503145B2 (ja) * 2005-08-18 2014-05-28 スルザー メタプラス ゲーエムベーハー 四面体炭素層および軟質外層を備える層状構造によって被覆された基板
DE102005063123B3 (de) 2005-12-30 2007-05-31 Federal-Mogul Burscheid Gmbh Gleitelement, insbesondere Kolbenring, Verfahren zur Herstellung eines Gleitelements, Gleitsystem und Beschichtung für ein Gleitelement
DE102006046917C5 (de) 2006-10-04 2014-03-20 Federal-Mogul Burscheid Gmbh Kolbenring für Verbrennungskraftmaschinen
JP2008241032A (ja) 2007-02-28 2008-10-09 Nippon Piston Ring Co Ltd ピストンリング及びその製造方法
JP2009167512A (ja) * 2008-01-21 2009-07-30 Kobe Steel Ltd 摺動部品用ダイヤモンドライクカーボン皮膜およびその製造方法

Also Published As

Publication number Publication date
CN102171383A (zh) 2011-08-31
JP5427890B2 (ja) 2014-02-26
DE102008042747A1 (de) 2010-04-15
US20110268946A1 (en) 2011-11-03
US8652620B2 (en) 2014-02-18
EP2331728A1 (de) 2011-06-15
BRPI0920375B1 (pt) 2019-01-22
EP2331728B1 (de) 2013-09-18
CN102171383B (zh) 2015-04-08
KR101614050B1 (ko) 2016-04-20
JP2012505353A (ja) 2012-03-01
BRPI0920375A2 (pt) 2016-09-06
KR20110073557A (ko) 2011-06-29
WO2010040596A1 (de) 2010-04-15

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