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ES2104388T3 - Asiento de valvula postizo. - Google Patents

Asiento de valvula postizo.

Info

Publication number
ES2104388T3
ES2104388T3 ES94915231T ES94915231T ES2104388T3 ES 2104388 T3 ES2104388 T3 ES 2104388T3 ES 94915231 T ES94915231 T ES 94915231T ES 94915231 T ES94915231 T ES 94915231T ES 2104388 T3 ES2104388 T3 ES 2104388T3
Authority
ES
Spain
Prior art keywords
layer
valve seat
powders
valve
seat
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.)
Expired - Lifetime
Application number
ES94915231T
Other languages
English (en)
Inventor
Paritosh Maulik
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.)
Federal Mogul Coventry Ltd
Original Assignee
Brico Engineering Ltd
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 Brico Engineering Ltd filed Critical Brico Engineering Ltd
Application granted granted Critical
Publication of ES2104388T3 publication Critical patent/ES2104388T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01L3/22—Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/09—Mixtures of metallic powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/12—Metallic powder containing non-metallic particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0425—Copper-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/059—Making alloys comprising less than 5% by weight of dispersed reinforcing phases
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2203/00—Controlling
    • B22F2203/01—To-be-deleted with administrative transfer to B22F2203/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/031—Pressing powder with other step
    • 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
    • Y10T29/49405—Valve or choke making
    • Y10T29/49409—Valve seat forming

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Dispersion Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Powder Metallurgy (AREA)
  • Forging (AREA)
  • Braking Systems And Boosters (AREA)
  • Magnetically Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Lift Valve (AREA)

Abstract

SE DESCRIBEN UN ASIENTO POSTIZO PARA EL ASIENTO DE UNA VALVULA DE DOS CAPAS Y UN METODO PARA SU FABRICACION. EL METODO CONSISTE EN PREPARAR DOS MEZCLAS DE POLVOS; UNA PRIMERA MEZCLA DE POLVOS PARA FORMAR LA CAPA DE LA SUPERFICIE DEL ASIENTO DE LA VALVULA; UNA SEGUNDA MEZCLA DE POLVOS PARA FORMAR LA CAPA BASE DEL ASIENTO DE LA VALVULA; INTRODUCIR SECUENCIALMENTE UNA CANTIDAD PREDETERMINADA DE CADA UNA DE DICHAS PRIMERA Y SEGUNDA MEZCLAS DE POLVOS EN UNA MATRIZ COMPACTADORA DE POLVOS DE MODO QUE HAYA UNA INTERCONEXION ENTRE ELLAS SUSTANCIALMENTE PERPENDICULAR AL EJE DE DICHA MATRIZ; COMPACTAR SIMULTANEAMENTE DICHAS PRIMERA Y SEGUNDA MEZCLAS DE POLVOS PARA FORMAR UN CONGLOMERADO FRESCO QUE TENGA DOS CAPAS Y SINTERIZAR DICHO CONGLOMERADO FRESCO, EN DONDE AL MENOS UNA COMPOSICION QUIMICA O LAS CARACTERISTICAS FISICAS DE AL MENOS UNA DE DICHAS PRIMERA Y SEGUNDA MEZCLAS DE POLVOS SE AJUSTA DE MODO QUE SE OBTENGA DICHA CAPA DE LA SUPERFICIE DEL ASIENTO DE LA VALVULA Y DICHA CAPA BASE DEL ASIENTO DELA VALVULA TENGA SUSTANCIALMENTE LA MISMA DENSIDAD TRAS LA COMPACTACION.
ES94915231T 1993-05-28 1994-05-16 Asiento de valvula postizo. Expired - Lifetime ES2104388T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939311051A GB9311051D0 (en) 1993-05-28 1993-05-28 Valve seat insert

Publications (1)

Publication Number Publication Date
ES2104388T3 true ES2104388T3 (es) 1997-10-01

Family

ID=10736288

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94915231T Expired - Lifetime ES2104388T3 (es) 1993-05-28 1994-05-16 Asiento de valvula postizo.

Country Status (8)

Country Link
US (1) US5666632A (es)
EP (1) EP0700324B1 (es)
KR (1) KR100319428B1 (es)
AT (1) ATE155379T1 (es)
DE (1) DE69404305T2 (es)
ES (1) ES2104388T3 (es)
GB (2) GB9311051D0 (es)
WO (1) WO1994027767A1 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3380081B2 (ja) * 1995-03-13 2003-02-24 ヤマハ発動機株式会社 バルブシート
EP0730085B1 (en) * 1995-02-28 2000-01-19 Yamaha Hatsudoki Kabushiki Kaisha A cylinder head and a method for producing a valve seat
JPH08312800A (ja) * 1995-05-15 1996-11-26 Yamaha Motor Co Ltd 接合型バルブシート
US5778531A (en) * 1995-09-14 1998-07-14 Yamaha Hatsudoki Kabushiki Kaisha Method of manufacturing cylinder head for engine
JPH0979014A (ja) * 1995-09-14 1997-03-25 Yamaha Motor Co Ltd エンジン用シリンダヘッドの製造方法
US5708955A (en) * 1995-11-16 1998-01-13 Dana Corporation Method of manufacturing a component for an electromagnetic friction clutch assembly
CA2240426C (en) * 1995-12-15 2005-05-10 Zenith Sintered Products, Inc. Duplex sprocket/gear construction and method of making same
GB2315115B (en) * 1996-07-10 2000-05-31 Hitachi Powdered Metals Valve guide
JPH10226855A (ja) * 1996-12-11 1998-08-25 Nippon Piston Ring Co Ltd 耐摩耗焼結合金製内燃機関用バルブシート
JP3579561B2 (ja) * 1996-12-27 2004-10-20 日本ピストンリング株式会社 鉄系焼結合金製バルブシート
US6436338B1 (en) 1999-06-04 2002-08-20 L. E. Jones Company Iron-based alloy for internal combustion engine valve seat inserts
US6675460B2 (en) 2001-10-03 2004-01-13 Delphi Technologies, Inc. Method of making a powder metal rotor for a synchronous reluctance machine
US6655004B2 (en) 2001-10-03 2003-12-02 Delphi Technologies, Inc. Method of making a powder metal rotor for a surface
JP3926320B2 (ja) * 2003-01-10 2007-06-06 日本ピストンリング株式会社 鉄基焼結合金製バルブシートおよびその製造方法
US6702905B1 (en) 2003-01-29 2004-03-09 L. E. Jones Company Corrosion and wear resistant alloy
WO2015033415A1 (ja) * 2013-09-05 2015-03-12 Ｔｐｒ株式会社 バルブシート
DE102020212371A1 (de) 2020-09-30 2022-03-31 Mahle International Gmbh Verfahren zum pulvermetallurgischen Herstellen eines Bauteils

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341082B1 (es) * 1971-06-28 1978-10-31
JPS5130843B2 (es) * 1971-12-22 1976-09-03
US4035159A (en) * 1976-03-03 1977-07-12 Toyota Jidosha Kogyo Kabushiki Kaisha Iron-base sintered alloy for valve seat
JPS5830361B2 (ja) * 1979-02-26 1983-06-29 日本ピストンリング株式会社 内燃機関用耐摩耗性部材の製造方法
DE2918248B2 (de) * 1979-05-05 1981-05-27 Goetze Ag, 5093 Burscheid Ventilsitzring
JPS57140802A (en) * 1981-02-26 1982-08-31 Nippon Piston Ring Co Ltd Composite molded valve seat
JPS58152982A (ja) * 1982-03-09 1983-09-10 Honda Motor Co Ltd 高剛性を有する二層焼結合金製バルブシ−トリング
JPS58193304A (ja) * 1982-05-08 1983-11-11 Hitachi Powdered Metals Co Ltd 複合焼結機械部品の製造方法
JPS58215299A (ja) * 1982-06-09 1983-12-14 Nippon Piston Ring Co Ltd 複合バルブシ−トの製造方法
JPS5925959A (ja) * 1982-07-28 1984-02-10 Nippon Piston Ring Co Ltd 焼結合金製バルブシ−ト
KR890004522B1 (ko) * 1982-09-06 1989-11-10 미쯔비시긴조구 가부시기가이샤 동용침 철계소결합금 부재의 제조방법과 그 방법에 의하여 제조된 2층 밸브 시이트
US4546737A (en) * 1983-07-01 1985-10-15 Sumitomo Electric Industries, Ltd. Valve-seat insert for internal combustion engines
EP0167034B1 (en) * 1984-06-12 1988-09-14 Sumitomo Electric Industries Limited Valve-seat insert for internal combustion engines and its production
JP2957180B2 (ja) * 1988-04-18 1999-10-04 株式会社リケン 耐摩耗性鉄基焼結合金およびその製造方法
JP3520093B2 (ja) * 1991-02-27 2004-04-19 本田技研工業株式会社 二次硬化型高温耐摩耗性焼結合金

Also Published As

Publication number Publication date
GB9311051D0 (en) 1993-07-14
DE69404305T2 (de) 1998-01-22
EP0700324A1 (en) 1996-03-13
US5666632A (en) 1997-09-09
WO1994027767A1 (en) 1994-12-08
EP0700324B1 (en) 1997-07-16
GB2292390B (en) 1996-11-20
GB9523342D0 (en) 1996-01-17
GB2292390A (en) 1996-02-21
DE69404305D1 (de) 1997-08-21
KR960702367A (ko) 1996-04-27
ATE155379T1 (de) 1997-08-15
KR100319428B1 (ko) 2002-04-22

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