JP5783457B2 - 焼結バルブガイド材およびその製造方法 - Google Patents
焼結バルブガイド材およびその製造方法 Download PDFInfo
- Publication number
- JP5783457B2 JP5783457B2 JP2011211843A JP2011211843A JP5783457B2 JP 5783457 B2 JP5783457 B2 JP 5783457B2 JP 2011211843 A JP2011211843 A JP 2011211843A JP 2011211843 A JP2011211843 A JP 2011211843A JP 5783457 B2 JP5783457 B2 JP 5783457B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- phase
- copper
- amount
- valve guide
- 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
- 239000000463 material Substances 0.000 title claims description 99
- 238000004519 manufacturing process Methods 0.000 title claims description 32
- 239000010949 copper Substances 0.000 claims description 162
- 229910001567 cementite Inorganic materials 0.000 claims description 135
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 111
- 239000000843 powder Substances 0.000 claims description 108
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 107
- 238000010438 heat treatment Methods 0.000 claims description 87
- 229910052751 metal Inorganic materials 0.000 claims description 73
- 239000002184 metal Substances 0.000 claims description 73
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 69
- 238000001816 cooling Methods 0.000 claims description 68
- 239000002994 raw material Substances 0.000 claims description 67
- 229910052802 copper Inorganic materials 0.000 claims description 65
- 238000005245 sintering Methods 0.000 claims description 58
- 229910052742 iron Inorganic materials 0.000 claims description 38
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 36
- 239000011159 matrix material Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 22
- 229910001562 pearlite Inorganic materials 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 11
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229910052718 tin Inorganic materials 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 229910000859 α-Fe Inorganic materials 0.000 claims description 8
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 7
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 6
- 239000000391 magnesium silicate Substances 0.000 claims description 6
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 6
- 235000019792 magnesium silicate Nutrition 0.000 claims description 6
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000012071 phase Substances 0.000 description 170
- 239000000523 sample Substances 0.000 description 137
- 238000009792 diffusion process Methods 0.000 description 42
- 230000007423 decrease Effects 0.000 description 26
- 239000007791 liquid phase Substances 0.000 description 21
- 238000012360 testing method Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 239000002244 precipitate Substances 0.000 description 12
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 11
- 229910017755 Cu-Sn Inorganic materials 0.000 description 9
- 229910017927 Cu—Sn Inorganic materials 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 9
- QPBIPRLFFSGFRD-UHFFFAOYSA-N [C].[Cu].[Fe] Chemical compound [C].[Cu].[Fe] QPBIPRLFFSGFRD-UHFFFAOYSA-N 0.000 description 8
- 230000005496 eutectics Effects 0.000 description 8
- QJPUVINSFCCOIL-UHFFFAOYSA-N [P].[C].[Fe] Chemical compound [P].[C].[Fe] QJPUVINSFCCOIL-UHFFFAOYSA-N 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 235000010755 mineral Nutrition 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- RZJQYRCNDBMIAG-UHFFFAOYSA-N [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] Chemical compound [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] RZJQYRCNDBMIAG-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010191 image analysis Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 210000003739 neck Anatomy 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910001096 P alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- DPTATFGPDCLUTF-UHFFFAOYSA-N phosphanylidyneiron Chemical compound [Fe]#P DPTATFGPDCLUTF-UHFFFAOYSA-N 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- AWDBHOZBRXWRKS-UHFFFAOYSA-N tetrapotassium;iron(6+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+6].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] AWDBHOZBRXWRKS-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- FKHIFSZMMVMEQY-UHFFFAOYSA-N talc Chemical compound [Mg+2].[O-][Si]([O-])=O FKHIFSZMMVMEQY-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
-
- 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
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1028—Controlled cooling
-
- 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
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
-
- 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
- C22C13/00—Alloys based on tin
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/02—Alloys based on copper with tin as the next major constituent
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011211843A JP5783457B2 (ja) | 2010-09-30 | 2011-09-28 | 焼結バルブガイド材およびその製造方法 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010222975 | 2010-09-30 | ||
| JP2010222975 | 2010-09-30 | ||
| JP2011211843A JP5783457B2 (ja) | 2010-09-30 | 2011-09-28 | 焼結バルブガイド材およびその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012092441A JP2012092441A (ja) | 2012-05-17 |
| JP2012092441A5 JP2012092441A5 (fr) | 2012-07-19 |
| JP5783457B2 true JP5783457B2 (ja) | 2015-09-24 |
Family
ID=44719102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011211843A Active JP5783457B2 (ja) | 2010-09-30 | 2011-09-28 | 焼結バルブガイド材およびその製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2436463B1 (fr) |
| JP (1) | JP5783457B2 (fr) |
| KR (1) | KR101365816B1 (fr) |
| CN (1) | CN102443739B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5960001B2 (ja) * | 2012-09-12 | 2016-08-02 | Ntn株式会社 | 鉄系焼結金属製の機械部品及びその製造方法 |
| CN102888562B (zh) * | 2012-10-17 | 2014-12-10 | 宁波拓发汽车零部件有限公司 | 减震器压缩阀及其制备方法 |
| CN103084575B (zh) * | 2012-11-25 | 2015-04-22 | 安徽普源分离机械制造有限公司 | 一种防爆阀阀体粉末冶金制造方法 |
| JP6522301B2 (ja) * | 2013-09-13 | 2019-05-29 | Ntn株式会社 | Ｅｇｒバルブ用焼結軸受およびその製造方法 |
| JP6424983B2 (ja) * | 2016-05-19 | 2018-11-21 | 日立化成株式会社 | 鉄系焼結含油軸受 |
| US20200391288A1 (en) * | 2018-02-23 | 2020-12-17 | Hitachi Chemical Company, Ltd. | Sintered valve guide and method for producing same |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119419A (en) | 1975-04-11 | 1976-10-20 | Hitachi Powdered Metals Co Ltd | Valve guide material |
| JPS5534858A (en) * | 1978-09-04 | 1980-03-11 | Hitachi Ltd | Open ventilation type rotary motor with inertia separator |
| JPS58224147A (ja) * | 1982-06-21 | 1983-12-26 | Daikin Ind Ltd | 密閉形圧縮機の軸受メタル |
| JP2680927B2 (ja) | 1990-10-18 | 1997-11-19 | 日立粉末冶金株式会社 | 鉄系焼結摺動部材 |
| US5259860A (en) * | 1990-10-18 | 1993-11-09 | Hitachi Powdered Metals Co., Ltd. | Sintered metal parts and their production method |
| JPH0641699A (ja) * | 1992-07-27 | 1994-02-15 | Mitsubishi Materials Corp | 耐摩耗性のすぐれたＦｅ基焼結合金製バルブガイド部材 |
| JPH06207253A (ja) * | 1993-01-06 | 1994-07-26 | Toshiba Corp | 鉄基摺動部品材料 |
| JPH0953422A (ja) * | 1995-08-09 | 1997-02-25 | Mitsubishi Materials Corp | すぐれた耐摩耗性と低い相手攻撃性を有する銅溶浸Ｆｅ基焼結合金製バルブガイド部材 |
| JPH0953421A (ja) * | 1995-08-09 | 1997-02-25 | Mitsubishi Materials Corp | すぐれた耐摩耗性と低い相手攻撃性を有するＦｅ基焼結合金製バルブガイド部材 |
| JPH0953423A (ja) * | 1995-08-09 | 1997-02-25 | Mitsubishi Materials Corp | すぐれた耐摩耗性と低い相手攻撃性を有する鉛溶浸Ｆｅ基焼結合金製バルブガイド部材 |
| GB2315115B (en) * | 1996-07-10 | 2000-05-31 | Hitachi Powdered Metals | Valve guide |
| JP2000080451A (ja) * | 1998-07-10 | 2000-03-21 | Nippon Piston Ring Co Ltd | 耐摩環用焼結体および耐摩環 |
| JP4323070B2 (ja) * | 2000-08-31 | 2009-09-02 | 日立粉末冶金株式会社 | バルブガイド材 |
| JP4323069B2 (ja) | 2000-08-31 | 2009-09-02 | 日立粉末冶金株式会社 | バルブガイド材 |
| GB2368348B (en) * | 2000-08-31 | 2003-08-06 | Hitachi Powdered Metals | Material for valve guides |
| US6599345B2 (en) * | 2001-10-02 | 2003-07-29 | Eaton Corporation | Powder metal valve guide |
| JP4380274B2 (ja) | 2003-09-10 | 2009-12-09 | 日立粉末冶金株式会社 | 鉄銅系焼結含油軸受用合金の製造方法 |
| JP4323467B2 (ja) | 2004-07-15 | 2009-09-02 | 日立粉末冶金株式会社 | 焼結バルブガイド及びその製造方法 |
| US20060032328A1 (en) * | 2004-07-15 | 2006-02-16 | Katsunao Chikahata | Sintered valve guide and manufacturing method thereof |
| WO2006080554A1 (fr) * | 2005-01-31 | 2006-08-03 | Komatsu Ltd. | Materiau fritte, materiau de glissement fritte a base de fer et procede de production de celui-ci, element de glissement et procede de production de celui-ci, et appareil de connection |
| JP4886545B2 (ja) | 2007-02-22 | 2012-02-29 | 日立粉末冶金株式会社 | 焼結含油軸受およびその製造方法 |
| JP5247329B2 (ja) * | 2008-09-25 | 2013-07-24 | 日立粉末冶金株式会社 | 鉄系焼結軸受およびその製造方法 |
| JP5208647B2 (ja) * | 2008-09-29 | 2013-06-12 | 日立粉末冶金株式会社 | 焼結バルブガイドの製造方法 |
-
2011
- 2011-09-28 JP JP2011211843A patent/JP5783457B2/ja active Active
- 2011-09-28 EP EP20110007891 patent/EP2436463B1/fr active Active
- 2011-09-30 CN CN201110315889.9A patent/CN102443739B/zh active Active
- 2011-09-30 KR KR1020110099927A patent/KR101365816B1/ko active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP2436463A2 (fr) | 2012-04-04 |
| CN102443739B (zh) | 2014-05-07 |
| KR20120034052A (ko) | 2012-04-09 |
| EP2436463B1 (fr) | 2013-07-10 |
| EP2436463A3 (fr) | 2012-07-11 |
| CN102443739A (zh) | 2012-05-09 |
| JP2012092441A (ja) | 2012-05-17 |
| KR101365816B1 (ko) | 2014-02-20 |
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