JPH05195867A - 内燃機関のピストン−シリンダー装置 - Google Patents

内燃機関のピストン−シリンダー装置

Info

Publication number
JPH05195867A
JPH05195867A JP4269935A JP26993592A JPH05195867A JP H05195867 A JPH05195867 A JP H05195867A JP 4269935 A JP4269935 A JP 4269935A JP 26993592 A JP26993592 A JP 26993592A JP H05195867 A JPH05195867 A JP H05195867A
Authority
JP
Japan
Prior art keywords
piston
graphite
layer
combustion engine
internal combustion
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
JP4269935A
Other languages
English (en)
Other versions
JP3585507B2 (ja
Inventor
Manfred Bauer
バウアー マンフレート
Manfred Ziegler
ツィーグラー マンフレート
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.)
Mahle GmbH
Original Assignee
Mahle 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 GmbH filed Critical Mahle GmbH
Publication of JPH05195867A publication Critical patent/JPH05195867A/ja
Application granted granted Critical
Publication of JP3585507B2 publication Critical patent/JP3585507B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/69—Particle size larger than 1000 nm
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

(57)【要約】 【目的】 滑り層を有するピストン。 【構成】 軽金属を基材とするピストン上の滑り層が硬
化樹脂中で結合されたグラファイトから成る。 【効果】 従来の製造法よりも環境調和的かつ経済的に
製造され、従来得られたピストンの滑り時間を少なくと
も下回らない滑り時間が得られる。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、ピストン及びシリンダ
ーの基材が軽金属でありかつピストンが基材上に施され
た耐久性滑り層を有している、内燃機関のピストン−シ
リンダー装置に関する。
【０００２】
【従来の技術】このような装置では、ピストンは滑り層
を有していなければならない、それというのも軽金属−
軽金属、特にアルミニウム−アルミニウムという材料結
合は不可能だからである。従ってこのような装置の場
合、ピストンは他の金属で被覆される。このような被覆
は電気メッキにより行われ、特に鉄層、ニッケル層又は
クロム層が使用される。
【０００３】
【発明が解決しようとする課題】本発明は、前記の従来
技術から出発して、特に前記の電気メッキ的被覆方法と
比べてより環境調和的にかつ経済的に製造されうる別種
の層をピストンに施すという課題を取扱う。
【０００４】
【課題を解決するための手段】前記課題の解決は、滑り
層が硬化樹脂中で結合されたグラファイトから成る点に
ある。
【０００５】好ましくは滑り層は１０〜２５μｍの厚さ
を有する。またグラファイトは１〜１０μｍの粒子であ
る。グラファイトの割合は３〜６０重量％である。樹脂
中の結合剤は硬化性ポリイミドである。滑り層の硬化温
度は１５０〜２１０℃であり、硬化は１０〜３０分間行
われる。
【０００６】本発明による滑り層を用いると、少なくと
も、冒頭記載の他の被覆層を用いて従来得られた滑り時
間を下回らない滑り時間が得られることが判明した。
【０００７】本発明によるグラファイト層は、極めて簡
単にかつ殆ど損失なしに塗布することができる。塗布方
法としては、特に、グラファイト層の塗布のためにもす
でに公知のスクリーン印刷法が好適である。
【０００８】
【実施例】本発明の実施例を次に記載する。
【０００９】アルミニウム製ピストンのシャフト上に、
結合剤としての硬化性ポリイミド中に結合されたグラフ
ァイトを２０μｍの厚さでスクリーン印刷法により塗布
する。硬化された層中のグラファイト含分は約４０％で
ある。スクリーン印刷法で層を作るために塗布される材
料中には、例えばＮ−メチル−ピロリドン(ＮＭＰ)であ
ってもよい溶剤が存在する。塗布すべき層出発材料中の
溶剤の割合は約５０重量％である。層中で結合されたグ
ラファイトの粒度は１〜１０μｍである。
【００１０】スクリーン印刷法で塗布した層を２１０℃
で約１５分間硬化する。
【００１１】ピストンシャフトの他に、ピストンリング
みぞ及び／又はトップランドの部分も全部又は部分的に
本発明により被覆されていてもよい。
───────────────────────────────────────────────────── フロントページの続き (72)発明者 マンフレート ツィーグラー ドイツ連邦共和国 シュツットガルト 50 ゾンマーラインシュトラーセ 45

Claims (6)

    【特許請求の範囲】
  1. 【請求項１】 ピストン及びシリンダーの基材が軽金属
    でありかつピストンが基材上に施された耐久性滑り層を
    有している、内燃機関のピストン−シリンダー装置にお
    いて、滑り層が硬化樹脂中で結合されたグラファイトか
    ら成ることを特徴とする内燃機関のピストン−シリンダ
    ー装置。
  2. 【請求項２】 滑り層が１０〜２５μｍの厚さを有す
    る、請求項１記載の装置。
  3. 【請求項３】 グラファイト粒子が１〜１０μｍの粒度
    を有する、請求項１又は２記載の装置。
  4. 【請求項４】 グラファイトの割合が３〜６０重量％で
    ある、請求項１から請求項３までのいずれか１項記載の
    装置。
  5. 【請求項５】 結合剤が硬化性ポリイミドである、請求
    項１から請求項４までのいずれか１項記載の装置。
  6. 【請求項６】 滑り層の硬化温度が１５０〜２１０℃で
    あり、硬化が１０〜３０分間行われる、請求項１から請
    求項５までのいずれか１項記載の装置。
JP26993592A 1991-10-10 1992-10-08 内燃機関のピストン−シリンダー装置 Expired - Fee Related JP3585507B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4133546.5 1991-10-10
DE4133546A DE4133546C2 (de) 1991-10-10 1991-10-10 Kolben-Zylinderanordnung eines Verbrennungsmotors

Publications (2)

Publication Number Publication Date
JPH05195867A true JPH05195867A (ja) 1993-08-03
JP3585507B2 JP3585507B2 (ja) 2004-11-04

Family

ID=6442404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26993592A Expired - Fee Related JP3585507B2 (ja) 1991-10-10 1992-10-08 内燃機関のピストン−シリンダー装置

Country Status (3)

Country Link
US (1) US5257603A (ja)
JP (1) JP3585507B2 (ja)
DE (1) DE4133546C2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013167254A (ja) * 2013-05-24 2013-08-29 Hitachi Automotive Systems Ltd 複層被膜組成物が施された内燃機関のピストン及び該ピストンの表面処理方法

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DE4312804A1 (de) * 1993-04-20 1995-02-16 Mahle Gmbh Tauchkolben für Verbrennungsmotoren
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US8613137B2 (en) 2004-11-16 2013-12-24 Mahle International Gmbh Connecting rod lubrication recess
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US9909528B2 (en) 2014-02-04 2018-03-06 Federal-Mogul Llc Piston with abradable coating to generate appropriate contact geometry on running surface
US9325012B1 (en) 2014-09-17 2016-04-26 Baker Hughes Incorporated Carbon composites
US10315922B2 (en) 2014-09-29 2019-06-11 Baker Hughes, A Ge Company, Llc Carbon composites and methods of manufacture
US10480288B2 (en) 2014-10-15 2019-11-19 Baker Hughes, A Ge Company, Llc Articles containing carbon composites and methods of manufacture
US9962903B2 (en) 2014-11-13 2018-05-08 Baker Hughes, A Ge Company, Llc Reinforced composites, methods of manufacture, and articles therefrom
US9745451B2 (en) 2014-11-17 2017-08-29 Baker Hughes Incorporated Swellable compositions, articles formed therefrom, and methods of manufacture thereof
US11097511B2 (en) 2014-11-18 2021-08-24 Baker Hughes, A Ge Company, Llc Methods of forming polymer coatings on metallic substrates
US9726300B2 (en) 2014-11-25 2017-08-08 Baker Hughes Incorporated Self-lubricating flexible carbon composite seal
US10300627B2 (en) 2014-11-25 2019-05-28 Baker Hughes, A Ge Company, Llc Method of forming a flexible carbon composite self-lubricating seal
US9714709B2 (en) 2014-11-25 2017-07-25 Baker Hughes Incorporated Functionally graded articles and methods of manufacture
US9840887B2 (en) 2015-05-13 2017-12-12 Baker Hughes Incorporated Wear-resistant and self-lubricant bore receptacle packoff tool
DE102016120096A1 (de) * 2015-10-21 2017-04-27 Ks Kolbenschmidt Gmbh Verbundwerkstoff für einen Kolben
US10125274B2 (en) 2016-05-03 2018-11-13 Baker Hughes, A Ge Company, Llc Coatings containing carbon composite fillers and methods of manufacture
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JP2013167254A (ja) * 2013-05-24 2013-08-29 Hitachi Automotive Systems Ltd 複層被膜組成物が施された内燃機関のピストン及び該ピストンの表面処理方法

Also Published As

Publication number Publication date
JP3585507B2 (ja) 2004-11-04
DE4133546C2 (de) 2000-12-07
DE4133546A1 (de) 1993-04-15
US5257603A (en) 1993-11-02

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