EP2666981A4 - Iron-based sintered alloy valve seat - Google Patents

Iron-based sintered alloy valve seat

Info

Publication number
EP2666981A4
EP2666981A4 EP12736573.2A EP12736573A EP2666981A4 EP 2666981 A4 EP2666981 A4 EP 2666981A4 EP 12736573 A EP12736573 A EP 12736573A EP 2666981 A4 EP2666981 A4 EP 2666981A4
Authority
EP
European Patent Office
Prior art keywords
iron
valve seat
based sintered
sintered alloy
alloy valve
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.)
Withdrawn
Application number
EP12736573.2A
Other languages
German (de)
French (fr)
Other versions
EP2666981A1 (en
Inventor
Rintarou Takahashi
Hiroji Henmi
Syuuichi SHIKANAI
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.)
Riken Corp
Original Assignee
Riken Corp
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 Riken Corp filed Critical Riken Corp
Publication of EP2666981A1 publication Critical patent/EP2666981A1/en
Publication of EP2666981A4 publication Critical patent/EP2666981A4/en
Withdrawn legal-status Critical Current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
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • 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
    • B22F5/008—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of engine cylinder parts or of piston parts other than piston rings
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum
    • 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
    • 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
    • C22C33/0221—Using a mixture of prealloyed powders or a master alloy comprising S or a sulfur compound
    • 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
    • C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • F01L2800/18—Testing or simulation
    • 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
    • F01L2810/00—Arrangements solving specific problems in relation with valve gears
    • F01L2810/02—Lubrication
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/01—Absolute values

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)
  • Powder Metallurgy (AREA)
EP12736573.2A 2011-01-20 2012-01-20 Iron-based sintered alloy valve seat Withdrawn EP2666981A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011009719A JP5823697B2 (en) 2011-01-20 2011-01-20 Ferrous sintered alloy valve seat
PCT/JP2012/051191 WO2012099239A1 (en) 2011-01-20 2012-01-20 Iron-based sintered alloy valve seat

Publications (2)

Publication Number Publication Date
EP2666981A1 EP2666981A1 (en) 2013-11-27
EP2666981A4 true EP2666981A4 (en) 2015-04-01

Family

ID=46515856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12736573.2A Withdrawn EP2666981A4 (en) 2011-01-20 2012-01-20 Iron-based sintered alloy valve seat

Country Status (6)

Country Link
US (1) US20130291822A1 (en)
EP (1) EP2666981A4 (en)
JP (1) JP5823697B2 (en)
CN (1) CN103328776A (en)
MX (1) MX2013008435A (en)
WO (1) WO2012099239A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6305811B2 (en) * 2014-03-31 2018-04-04 日本ピストンリング株式会社 Ferrous sintered alloy material for valve seat and method for producing the same
JP6427442B2 (en) * 2015-03-09 2018-11-21 山陽特殊製鋼株式会社 Hard powder for Fe-based sintering and Fe-based sintered body excellent in wear resistance using the same
JP6392796B2 (en) * 2016-01-25 2018-09-19 トヨタ自動車株式会社 Method for producing wear-resistant iron-based sintered alloy, compact for sintered alloy, and wear-resistant iron-based sintered alloy
JP6352959B2 (en) * 2016-02-04 2018-07-04 トヨタ自動車株式会社 Method for producing wear-resistant iron-based sintered alloy, compact for sintered alloy, and wear-resistant iron-based sintered alloy
WO2018179590A1 (en) * 2017-03-28 2018-10-04 株式会社リケン Sintered valve seat
JP6842345B2 (en) * 2017-04-04 2021-03-17 トヨタ自動車株式会社 Abrasion-resistant iron-based sintered alloy manufacturing method
DE102018209682A1 (en) * 2018-06-15 2019-12-19 Mahle International Gmbh Process for the manufacture of a powder metallurgical product

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002129296A (en) * 2000-10-27 2002-05-09 Nippon Piston Ring Co Ltd Iron-base sintered alloy material for valve seat, and valve seat made of iron-base sintered alloy
JP2003166025A (en) * 2001-11-29 2003-06-13 Riken Corp Hard-grain dispersion type sintered alloy and manufacturing method therefor
EP1347067A1 (en) * 2002-03-12 2003-09-24 Kabushiki Kaisha Riken Iron-based sintered alloy for use as valve seat and its production method
US20050193861A1 (en) * 2004-03-03 2005-09-08 Nippon Piston Ring Co., Ltd. Iron-based sintered alloy material for valve seat
US6951579B2 (en) * 2002-03-15 2005-10-04 Teikoku Piston Ring Co., Ltd. Sintered alloy for valve seats, valve seat and manufacturing method thereof
JP2006299404A (en) * 2005-03-23 2006-11-02 Nippon Piston Ring Co Ltd Valve seat material made from iron-based sintered alloy for internal combustion engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620143A (en) * 1979-07-24 1981-02-25 Mazda Motor Corp Sintered alloy for valve seat
JPH0593241A (en) * 1991-09-30 1993-04-16 Riken Corp Production of iron-base sintered alloy for valve seat
DE69313253T3 (en) * 1992-11-27 2001-03-15 Toyota Jidosha K.K., Toyota Iron alloy powder for sintering, sintered iron alloy with abrasion resistance and process for producing the same
JP3952344B2 (en) * 1998-12-28 2007-08-01 日本ピストンリング株式会社 Wear-resistant iron-based sintered alloy material for valve seat and valve seat made of iron-based sintered alloy
JP2001050020A (en) * 1999-05-31 2001-02-23 Nippon Piston Ring Co Ltd Valve device for internal combustion engine
JP4001450B2 (en) * 2000-05-02 2007-10-31 日立粉末冶金株式会社 Valve seat for internal combustion engine and manufacturing method thereof
JP3926320B2 (en) * 2003-01-10 2007-06-06 日本ピストンリング株式会社 Iron-based sintered alloy valve seat and method for manufacturing the same
CN100422376C (en) * 2005-03-23 2008-10-01 日本活塞环株式会社 Iron-base sintered alloy valve holder materials for internal combustion engine
JP2006193831A (en) * 2006-01-23 2006-07-27 Nippon Piston Ring Co Ltd Abrasion resistance iron-based sintered alloy material for valve seat and valve seat made of iron-based sintered alloy
DE112009000775B4 (en) * 2008-03-31 2014-12-31 Nippon Piston Ring Co., Ltd. Iron-based sintered alloy for a valve seat and valve seat for an internal combustion engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002129296A (en) * 2000-10-27 2002-05-09 Nippon Piston Ring Co Ltd Iron-base sintered alloy material for valve seat, and valve seat made of iron-base sintered alloy
JP2003166025A (en) * 2001-11-29 2003-06-13 Riken Corp Hard-grain dispersion type sintered alloy and manufacturing method therefor
EP1347067A1 (en) * 2002-03-12 2003-09-24 Kabushiki Kaisha Riken Iron-based sintered alloy for use as valve seat and its production method
US6951579B2 (en) * 2002-03-15 2005-10-04 Teikoku Piston Ring Co., Ltd. Sintered alloy for valve seats, valve seat and manufacturing method thereof
US20050193861A1 (en) * 2004-03-03 2005-09-08 Nippon Piston Ring Co., Ltd. Iron-based sintered alloy material for valve seat
JP2006299404A (en) * 2005-03-23 2006-11-02 Nippon Piston Ring Co Ltd Valve seat material made from iron-based sintered alloy for internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012099239A1 *

Also Published As

Publication number Publication date
EP2666981A1 (en) 2013-11-27
US20130291822A1 (en) 2013-11-07
JP2012149584A (en) 2012-08-09
MX2013008435A (en) 2013-12-16
WO2012099239A1 (en) 2012-07-26
CN103328776A (en) 2013-09-25
JP5823697B2 (en) 2015-11-25

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Legal Events

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Effective date: 20150226

RIC1 Information provided on ipc code assigned before grant

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Effective date: 20150801