EP2870328B2 - Hochwärmeleitender ventilsitzring - Google Patents
Hochwärmeleitender ventilsitzringInfo
- Publication number
- EP2870328B2 EP2870328B2 EP13737179.5A EP13737179A EP2870328B2 EP 2870328 B2 EP2870328 B2 EP 2870328B2 EP 13737179 A EP13737179 A EP 13737179A EP 2870328 B2 EP2870328 B2 EP 2870328B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- copper
- valve seat
- powder
- iron
- seat ring
- 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.)
- Active
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
- F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
-
- 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
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- 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
- B22F5/006—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of flat products, e.g. sheets
-
- 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
- B22F7/008—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 characterised by the composition
-
- 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
- B22F7/02—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 layers
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
-
- 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
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0448—Steel
- F05C2201/046—Stainless steel or inox, e.g. 18-8
-
- 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
- F05C2251/00—Material properties
- F05C2251/04—Thermal properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012013226.3A DE102012013226A1 (de) | 2012-07-04 | 2012-07-04 | Hochwärmeleitender Ventilsitzring |
| PCT/EP2013/064000 WO2014006076A1 (de) | 2012-07-04 | 2013-07-03 | Hochwärmeleitender ventilsitzring |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2870328A1 EP2870328A1 (de) | 2015-05-13 |
| EP2870328B1 EP2870328B1 (de) | 2016-11-16 |
| EP2870328B2 true EP2870328B2 (de) | 2026-06-17 |
Family
ID=48793195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13737179.5A Active EP2870328B2 (de) | 2012-07-04 | 2013-07-03 | Hochwärmeleitender ventilsitzring |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US9702277B2 (enExample) |
| EP (1) | EP2870328B2 (enExample) |
| JP (1) | JP6297545B2 (enExample) |
| KR (1) | KR102139838B1 (enExample) |
| CN (1) | CN104428500B (enExample) |
| BR (1) | BR112014033112B1 (enExample) |
| DE (1) | DE102012013226A1 (enExample) |
| WO (1) | WO2014006076A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6194613B2 (ja) * | 2013-03-29 | 2017-09-13 | 日立化成株式会社 | 摺動部材用鉄基焼結合金およびその製造方法 |
| CN104878309A (zh) * | 2015-04-29 | 2015-09-02 | 安徽同丰橡塑工业有限公司 | 一种汽车发动机气门座圈及其制备方法 |
| DE102015109621A1 (de) * | 2015-06-16 | 2016-12-22 | Bleistahl-Produktions Gmbh & Co Kg. | Ventilführung |
| DE102015211623A1 (de) | 2015-06-23 | 2016-12-29 | Mahle International Gmbh | Verfahren zur Herstellung eines Ventilsitzringes |
| DE102017202585A1 (de) * | 2016-02-17 | 2017-08-17 | Mahle International Gmbh | Brennkraftmaschine mit zumindest einem Zylinder und mit zumindest zwei Hohlkopfventilen |
| DE102016109539A1 (de) | 2016-05-24 | 2017-12-14 | Bleistahl-Produktions Gmbh & Co Kg. | Ventilsitzring |
| US10837087B2 (en) * | 2016-09-28 | 2020-11-17 | Tenneco Inc. | Copper infiltrated molybdenum and/or tungsten base powder metal alloy for superior thermal conductivity |
| DE102017102544A1 (de) * | 2017-02-09 | 2018-08-09 | Man Diesel & Turbo Se | Ventilsitzring eines Gaswechselventils, Gaswechselventil und Verfahren zum Herstellen des Ventilsitzrings |
| JP6871361B2 (ja) * | 2017-03-27 | 2021-05-12 | 日本ピストンリング株式会社 | 熱伝導性に優れた内燃機関用鉄基焼結合金製バルブシート |
| US10584618B2 (en) | 2017-03-28 | 2020-03-10 | Kabushiki Kaisha Riken | Sintered valve seat |
| DE102017218123A1 (de) * | 2017-10-11 | 2019-04-11 | Mahle International Gmbh | Verfahren zum Herstellen eines Ventilsitzrings auf pulvermetallurgischem Wege |
| EP3636369B1 (en) * | 2017-10-30 | 2022-11-30 | Tpr Co., Ltd. | Method of producing a valve guide made of an iron-based sintered alloy |
| WO2019221106A1 (ja) | 2018-05-15 | 2019-11-21 | 日本ピストンリング株式会社 | 内燃機関用鉄基焼結合金製バルブシート |
| JP7258601B2 (ja) * | 2018-09-19 | 2023-04-17 | 日本ピストンリング株式会社 | 熱引け性に優れた内燃機関用鉄基焼結合金製バルブシート |
| US20200216935A1 (en) * | 2019-01-04 | 2020-07-09 | Tenneco Inc. | Hard powder particles with improved compressibility and green strength |
| DE102020212371A1 (de) * | 2020-09-30 | 2022-03-31 | Mahle International Gmbh | Verfahren zum pulvermetallurgischen Herstellen eines Bauteils |
| CN112410780B (zh) * | 2020-11-17 | 2021-08-20 | 安庆帝伯粉末冶金有限公司 | 一种激光熔覆气门座圈及其制造方法 |
| DE102021210268B4 (de) * | 2021-09-16 | 2026-05-07 | Mahle International Gmbh | Schichtgesinterter Ventilsitzring, Verfahren zu dessen Herstellung, Kombinationen damit und deren Verwendung |
| KR20240021028A (ko) | 2022-08-09 | 2024-02-16 | 한국생산기술연구원 | 고강도 고열전도성 FeCu 합금 및 이의 제조를 위한 분말야금 방법 |
| KR102881795B1 (ko) | 2022-08-10 | 2025-11-06 | 한국생산기술연구원 | 고강도 고열전도성 FeCu 합금 및 연속 HIP 처리에 의한 그 제조 방법 |
| CN116291797A (zh) * | 2022-12-28 | 2023-06-23 | 仪征市昌达粉末冶金制品有限公司 | 一种发动机气门座圈及生产设备 |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2753859A (en) † | 1952-03-07 | 1956-07-10 | Thompson Prod Inc | Valve seat insert |
| US2753858A (en) † | 1952-05-27 | 1956-07-10 | Thompson Prod Inc | Valve seat insert ring |
| US3583864A (en) † | 1969-05-05 | 1971-06-08 | Pfizer & Co C | Chemical process of producing an iron-copper alloy powder |
| US3806325A (en) † | 1971-06-28 | 1974-04-23 | Toyota Motor Co Ltd | Sintered alloy having wear resistance at high temperature comprising fe-mo-c alloy skeleton infiltrated with cu or pb base alloys,sb,cu,or pb |
| GB1371032A (en) † | 1970-09-03 | 1974-10-23 | Sumitomo Electric Industries | Materials for valve seats for internal combustion engines |
| DE2535665A1 (de) † | 1975-08-09 | 1977-02-10 | Roland Sintermetall Und Transp | Bei hohen temperaturen verschleissfester sinterformkoerper, insbesondere ventilsitzring |
| DE2615664A1 (de) † | 1975-04-10 | 1977-03-03 | Nippon Piston Ring Co Ltd | Kolbenring aus einer sinterlegierung auf eisenbasis |
| GB1580686A (en) † | 1976-01-02 | 1980-12-03 | Brico Eng | Sintered piston rings sealing rings and processes for their manufacture |
| JPS5739104A (en) † | 1980-08-20 | 1982-03-04 | Mitsubishi Metal Corp | Production of valve seat made of fe based sintered alloy |
| US4485147A (en) † | 1982-09-06 | 1984-11-27 | Mitsubishi Kinzoku Kabushiki Kaisha | Process for producing a sintered product of copper-infiltrated iron-base alloy and a two-layer valve seat produced by this process |
| US5031878A (en) † | 1989-11-16 | 1991-07-16 | Mitsubishi Metal Corporation | Valve seat made of sintered iron base alloy having high wear resistance |
| JPH06145723A (ja) † | 1992-11-10 | 1994-05-27 | Mitsubishi Materials Corp | 内燃機関用銅溶浸鉄系焼結合金製2層バルブシート |
| JPH06145720A (ja) † | 1992-11-12 | 1994-05-27 | Mitsubishi Materials Corp | 内燃機関用銅溶浸鉄系焼結合金製2層バルブシート |
| US5462573A (en) † | 1987-10-10 | 1995-10-31 | Brico Engineering Limited | Valve seat inserts of sintered ferrous materials |
| US5534220A (en) † | 1992-04-01 | 1996-07-09 | Brico Engineering Limited | Method of sintering machinable ferrous-based materials |
| WO1997030808A1 (de) † | 1996-02-21 | 1997-08-28 | Bleistahl Produktions-Gmbh & Co. Kg | Werkstoff zur pulvermetallurgischen herstellung von formteilen, insbesondere von ventilsitzringen oder ventilführungen mit hoher verschleissfestigkeit |
| JPH11302805A (ja) † | 1998-04-20 | 1999-11-02 | Mitsubishi Materials Corp | 焼結バルブシートおよびその製造方法 |
| JP2000054088A (ja) † | 1998-08-05 | 2000-02-22 | Mitsubishi Materials Corp | 高強度Fe基焼結バルブシート |
| WO2001049437A2 (de) † | 2000-01-06 | 2001-07-12 | Bleistahl-Produktions Gmbh & Co. Kg | Pulvermetallurgisch hergestelltes sinter-formteil |
| US20040112173A1 (en) † | 2001-01-24 | 2004-06-17 | Paritosh Maulik | Sintered ferrous material contaning copper |
| JP2005048263A (ja) † | 2003-07-31 | 2005-02-24 | Nippon Piston Ring Co Ltd | 軽金属合金鋳包み性に優れたバルブシート用鉄系焼結体 |
| US6951579B2 (en) † | 2002-03-15 | 2005-10-04 | Teikoku Piston Ring Co., Ltd. | Sintered alloy for valve seats, valve seat and manufacturing method thereof |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5739104B2 (enExample) | 1973-08-17 | 1982-08-19 | ||
| JPS56249A (en) | 1979-06-13 | 1981-01-06 | Mazda Motor Corp | Hard-grain-dispersed sintered alloy for valve seat |
| JPS56121810A (en) * | 1980-03-01 | 1981-09-24 | Riken Corp | Valve seat insert ring and its manufacturing |
| 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 |
| JPS5923856A (ja) * | 1982-07-28 | 1984-02-07 | Nippon Piston Ring Co Ltd | 複合焼結バルブシ−ト |
| JPS61561A (ja) * | 1984-06-12 | 1986-01-06 | Toyota Motor Corp | 焼結合金バルブシ−ト材 |
| DE3838461A1 (de) * | 1988-11-12 | 1990-05-23 | Krebsoege Gmbh Sintermetall | Pulvermetallurgischer werkstoff auf kupferbasis und dessen verwendung |
| JPH04232227A (ja) * | 1990-12-28 | 1992-08-20 | Toyota Motor Corp | 熱伝導性焼結合金部材の製造方法 |
| JPH07279627A (ja) * | 1994-04-07 | 1995-10-27 | Yamaha Motor Co Ltd | 圧入型バルブシート |
| 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 |
| US6139598A (en) | 1998-11-19 | 2000-10-31 | Eaton Corporation | Powdered metal valve seat insert |
| KR20030021916A (ko) * | 2001-09-10 | 2003-03-15 | 현대자동차주식회사 | 내마모성이 강화된 밸브 시이트용 소결합금재 조성물 및그의 제조방법 |
| US6676724B1 (en) * | 2002-06-27 | 2004-01-13 | Eaton Corporation | Powder metal valve seat insert |
| JP2004351453A (ja) * | 2003-05-28 | 2004-12-16 | Mitsubishi Materials Corp | 二層粉末成形方法、バルブシートおよびその製造方法 |
| CN201059209Y (zh) * | 2007-06-30 | 2008-05-14 | 奇瑞汽车有限公司 | 一种发动机气门座圈结构 |
| JP2011157845A (ja) * | 2010-01-29 | 2011-08-18 | Nippon Piston Ring Co Ltd | 冷却能に優れた内燃機関用バルブシート |
| KR101316474B1 (ko) * | 2011-09-19 | 2013-10-08 | 현대자동차주식회사 | 엔진밸브시트 및 그 제조방법 |
| DE102012203569A1 (de) * | 2012-03-07 | 2013-09-12 | Mahle International Gmbh | Hitzebeständiger Lagerwerkstoff |
-
2012
- 2012-07-04 DE DE102012013226.3A patent/DE102012013226A1/de active Pending
-
2013
- 2013-07-03 BR BR112014033112-0A patent/BR112014033112B1/pt active IP Right Grant
- 2013-07-03 KR KR1020157002918A patent/KR102139838B1/ko active Active
- 2013-07-03 CN CN201380035453.1A patent/CN104428500B/zh active Active
- 2013-07-03 EP EP13737179.5A patent/EP2870328B2/de active Active
- 2013-07-03 WO PCT/EP2013/064000 patent/WO2014006076A1/de not_active Ceased
- 2013-07-03 JP JP2015519205A patent/JP6297545B2/ja active Active
- 2013-07-03 US US14/410,955 patent/US9702277B2/en active Active
-
2017
- 2017-06-21 US US15/629,373 patent/US10208636B2/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2753859A (en) † | 1952-03-07 | 1956-07-10 | Thompson Prod Inc | Valve seat insert |
| US2753858A (en) † | 1952-05-27 | 1956-07-10 | Thompson Prod Inc | Valve seat insert ring |
| US3583864A (en) † | 1969-05-05 | 1971-06-08 | Pfizer & Co C | Chemical process of producing an iron-copper alloy powder |
| GB1371032A (en) † | 1970-09-03 | 1974-10-23 | Sumitomo Electric Industries | Materials for valve seats for internal combustion engines |
| US3806325A (en) † | 1971-06-28 | 1974-04-23 | Toyota Motor Co Ltd | Sintered alloy having wear resistance at high temperature comprising fe-mo-c alloy skeleton infiltrated with cu or pb base alloys,sb,cu,or pb |
| DE2615664A1 (de) † | 1975-04-10 | 1977-03-03 | Nippon Piston Ring Co Ltd | Kolbenring aus einer sinterlegierung auf eisenbasis |
| DE2535665A1 (de) † | 1975-08-09 | 1977-02-10 | Roland Sintermetall Und Transp | Bei hohen temperaturen verschleissfester sinterformkoerper, insbesondere ventilsitzring |
| GB1580686A (en) † | 1976-01-02 | 1980-12-03 | Brico Eng | Sintered piston rings sealing rings and processes for their manufacture |
| JPS5739104A (en) † | 1980-08-20 | 1982-03-04 | Mitsubishi Metal Corp | Production of valve seat made of fe based sintered alloy |
| US4485147A (en) † | 1982-09-06 | 1984-11-27 | Mitsubishi Kinzoku Kabushiki Kaisha | Process for producing a sintered product of copper-infiltrated iron-base alloy and a two-layer valve seat produced by this process |
| US5462573A (en) † | 1987-10-10 | 1995-10-31 | Brico Engineering Limited | Valve seat inserts of sintered ferrous materials |
| US5031878A (en) † | 1989-11-16 | 1991-07-16 | Mitsubishi Metal Corporation | Valve seat made of sintered iron base alloy having high wear resistance |
| US5534220A (en) † | 1992-04-01 | 1996-07-09 | Brico Engineering Limited | Method of sintering machinable ferrous-based materials |
| JPH06145723A (ja) † | 1992-11-10 | 1994-05-27 | Mitsubishi Materials Corp | 内燃機関用銅溶浸鉄系焼結合金製2層バルブシート |
| JPH06145720A (ja) † | 1992-11-12 | 1994-05-27 | Mitsubishi Materials Corp | 内燃機関用銅溶浸鉄系焼結合金製2層バルブシート |
| WO1997030808A1 (de) † | 1996-02-21 | 1997-08-28 | Bleistahl Produktions-Gmbh & Co. Kg | Werkstoff zur pulvermetallurgischen herstellung von formteilen, insbesondere von ventilsitzringen oder ventilführungen mit hoher verschleissfestigkeit |
| JPH11302805A (ja) † | 1998-04-20 | 1999-11-02 | Mitsubishi Materials Corp | 焼結バルブシートおよびその製造方法 |
| JP2000054088A (ja) † | 1998-08-05 | 2000-02-22 | Mitsubishi Materials Corp | 高強度Fe基焼結バルブシート |
| WO2001049437A2 (de) † | 2000-01-06 | 2001-07-12 | Bleistahl-Produktions Gmbh & Co. Kg | Pulvermetallurgisch hergestelltes sinter-formteil |
| US20040112173A1 (en) † | 2001-01-24 | 2004-06-17 | Paritosh Maulik | Sintered ferrous material contaning copper |
| US6951579B2 (en) † | 2002-03-15 | 2005-10-04 | Teikoku Piston Ring Co., Ltd. | Sintered alloy for valve seats, valve seat and manufacturing method thereof |
| JP2005048263A (ja) † | 2003-07-31 | 2005-02-24 | Nippon Piston Ring Co Ltd | 軽金属合金鋳包み性に優れたバルブシート用鉄系焼結体 |
Also Published As
| Publication number | Publication date |
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| US9702277B2 (en) | 2017-07-11 |
| CN104428500A (zh) | 2015-03-18 |
| BR112014033112B1 (pt) | 2022-02-01 |
| CN104428500B (zh) | 2018-07-20 |
| KR20150036357A (ko) | 2015-04-07 |
| JP2015528053A (ja) | 2015-09-24 |
| JP6297545B2 (ja) | 2018-03-20 |
| WO2014006076A1 (de) | 2014-01-09 |
| EP2870328B1 (de) | 2016-11-16 |
| KR102139838B1 (ko) | 2020-08-11 |
| DE102012013226A1 (de) | 2014-01-09 |
| BR112014033112A2 (pt) | 2017-06-27 |
| US20170298790A1 (en) | 2017-10-19 |
| US10208636B2 (en) | 2019-02-19 |
| EP2870328A1 (de) | 2015-05-13 |
| US20150322828A1 (en) | 2015-11-12 |
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