JP2022050275A - 焼結バルブシート - Google Patents
焼結バルブシート Download PDFInfo
- Publication number
- JP2022050275A JP2022050275A JP2020156789A JP2020156789A JP2022050275A JP 2022050275 A JP2022050275 A JP 2022050275A JP 2020156789 A JP2020156789 A JP 2020156789A JP 2020156789 A JP2020156789 A JP 2020156789A JP 2022050275 A JP2022050275 A JP 2022050275A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- valve seat
- mass
- layer
- matrix
- 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.)
- Pending
Links
- 239000002245 particle Substances 0.000 claims abstract description 65
- 239000011159 matrix material Substances 0.000 claims abstract description 55
- 229910000640 Fe alloy Inorganic materials 0.000 claims abstract description 43
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 35
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 28
- 239000000956 alloy Substances 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000011148 porous material Substances 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims description 17
- 239000000314 lubricant Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 16
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 9
- 229910019819 Cr—Si Inorganic materials 0.000 claims description 4
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 3
- 229910017060 Fe Cr Inorganic materials 0.000 claims description 3
- 229910002544 Fe-Cr Inorganic materials 0.000 claims description 3
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- -1 WS 2 Inorganic materials 0.000 claims description 3
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 description 37
- 239000010949 copper Substances 0.000 description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 34
- 238000012546 transfer Methods 0.000 description 13
- 239000011812 mixed powder Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910002551 Fe-Mn Inorganic materials 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910017816 Cu—Co Inorganic materials 0.000 description 2
- 229910000676 Si alloy Inorganic materials 0.000 description 2
- 229910002796 Si–Al Inorganic materials 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020156789A JP2022050275A (ja) | 2020-09-17 | 2020-09-17 | 焼結バルブシート |
| PCT/JP2021/026046 WO2022059310A1 (ja) | 2020-09-17 | 2021-07-09 | 焼結バルブシート |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020156789A JP2022050275A (ja) | 2020-09-17 | 2020-09-17 | 焼結バルブシート |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022050275A true JP2022050275A (ja) | 2022-03-30 |
| JP2022050275A5 JP2022050275A5 (enrdf_load_stackoverflow) | 2022-09-29 |
Family
ID=80776094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020156789A Pending JP2022050275A (ja) | 2020-09-17 | 2020-09-17 | 焼結バルブシート |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2022050275A (enrdf_load_stackoverflow) |
| WO (1) | WO2022059310A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024122048A1 (ja) | 2022-12-09 | 2024-06-13 | Ｔｐｒ株式会社 | 鉄基焼結合金バルブシート |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020212371A1 (de) * | 2020-09-30 | 2022-03-31 | Mahle International Gmbh | Verfahren zum pulvermetallurgischen Herstellen eines Bauteils |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229411A (ja) * | 1994-02-18 | 1995-08-29 | Fuji Oozx Inc | 内燃機関用バルブシート及びその製造方法 |
| JPH07279627A (ja) * | 1994-04-07 | 1995-10-27 | Yamaha Motor Co Ltd | 圧入型バルブシート |
| JP2014015645A (ja) * | 2012-07-06 | 2014-01-30 | Riken Corp | 鉄基焼結合金製バルブシート |
| WO2018180942A1 (ja) * | 2017-03-27 | 2018-10-04 | 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 |
| WO2018179590A1 (ja) * | 2017-03-28 | 2018-10-04 | 株式会社リケン | 焼結バルブシート |
| JP2022035265A (ja) * | 2020-08-20 | 2022-03-04 | 日本ピストンリング株式会社 | バルブシート及びバルブシートの製造方法 |
-
2020
- 2020-09-17 JP JP2020156789A patent/JP2022050275A/ja active Pending
-
2021
- 2021-07-09 WO PCT/JP2021/026046 patent/WO2022059310A1/ja active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229411A (ja) * | 1994-02-18 | 1995-08-29 | Fuji Oozx Inc | 内燃機関用バルブシート及びその製造方法 |
| JPH07279627A (ja) * | 1994-04-07 | 1995-10-27 | Yamaha Motor Co Ltd | 圧入型バルブシート |
| JP2014015645A (ja) * | 2012-07-06 | 2014-01-30 | Riken Corp | 鉄基焼結合金製バルブシート |
| WO2018180942A1 (ja) * | 2017-03-27 | 2018-10-04 | 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 |
| WO2018179590A1 (ja) * | 2017-03-28 | 2018-10-04 | 株式会社リケン | 焼結バルブシート |
| JP2022035265A (ja) * | 2020-08-20 | 2022-03-04 | 日本ピストンリング株式会社 | バルブシート及びバルブシートの製造方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024122048A1 (ja) | 2022-12-09 | 2024-06-13 | Ｔｐｒ株式会社 | 鉄基焼結合金バルブシート |
| US12049689B2 (en) | 2022-12-09 | 2024-07-30 | Tpr Co., Ltd. | Iron-based sintered alloy valve seat |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022059310A1 (ja) | 2022-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220920 |
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| A871 | Explanation of circumstances concerning accelerated examination |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221025 |
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| A02 | Decision of refusal |
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