JP4871293B2 - 冷媒入り中空ポペットバルブおよびその製造方法 - Google Patents
冷媒入り中空ポペットバルブおよびその製造方法 Download PDFInfo
- Publication number
- JP4871293B2 JP4871293B2 JP2007545120A JP2007545120A JP4871293B2 JP 4871293 B2 JP4871293 B2 JP 4871293B2 JP 2007545120 A JP2007545120 A JP 2007545120A JP 2007545120 A JP2007545120 A JP 2007545120A JP 4871293 B2 JP4871293 B2 JP 4871293B2
- Authority
- JP
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- Prior art keywords
- hardness
- refrigerant
- poppet valve
- hollow poppet
- neck
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 37
- 239000003507 refrigerant Substances 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 238000010622 cold drawing Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 238000000137 annealing Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 11
- 239000002344 surface layer Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000010273 cold forging Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 235000019589 hardness Nutrition 0.000 description 61
- 238000003466 welding Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000009661 fatigue test Methods 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000574 NaK Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
- F01L3/12—Cooling of valves
- F01L3/14—Cooling of valves by means of a liquid or solid coolant, e.g. sodium, in a closed chamber in a 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
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/005—Circulation means for a separate heat transfer fluid
- F16K49/007—Circulation means for a separate heat transfer fluid located within the obturating element
-
- 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
- F01L2301/00—Using particular materials
-
- 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/01—Absolute values
-
- 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
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49298—Poppet or I.C. engine valve or valve seat making
- Y10T29/49307—Composite or hollow valve stem or head making
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Forging (AREA)
- Lift Valve (AREA)
- Heat Treatment Of Articles (AREA)
Description
また、請求項1によれば、軸部が必要な疲労強度と磨耗強度を保持するため、シリンダ側との接触による繰り返しの負荷及びガイドとの摺動で生じる摩擦に対する高強度化を達成できる。
図5は、素材(このケースではSUS305)のビッカーズ硬度(横軸)に対する疲労強度(縦軸)の変化を示すものとしている。温度は、バルブの首部の使用条件を想定して600℃温度下としている。縦軸の300MPaは、首部14に求められる疲労強度である。
12 軸部(ステム部)
14 首部(フィレット領域)
15 フェース部(フェース面)
16 キャップ
W2 カップ型成形品
Claims (4)
- 素材をカップ型に成形し、前記カップ型成形品の開口縁部を厚肉状に成形する、冷間プレス成形工程と、前記カップ型成形品を軟化させ、バルブの各部位を適切な硬度に加工するために冷間成型工程開始前に少なくとも1回行われる中間焼鈍工程と、前記カップ型成形品の前記開口端にフレア状に開口する首部を形成し、前記首部と一体として円筒形状の軸部を形成し、前記厚肉状の開口縁部外周にテーパー形状のフェース部を形成する冷間絞り成形工程を経ることで、各部が異なる硬度とされた、冷媒入り中空ポペットバルブであって、
600℃温度下で使用される前記首部のビッカース硬度が略250HV以上350HV以下であり、400℃温度下で使用される前記軸部のビッカース硬度が略350HV以上380HV以下であることを特徴とする請求項1の冷媒入り中空ポペットバルブ。
ることを特徴とする冷媒入り中空ポペットバルブ。 - 前記テーパー形状のフェース部の表層部のビッカース硬度が略380HV以上であることを特徴とする請求項1記載の冷媒入り中空ポペットバルブ。
- 素材をカップ型に成形し、前記カップ型成形品の開口縁部を厚肉状に成形する、冷間プレス成形工程と、前記カップ型成形品を軟化させる中間焼鈍工程と、前記カップ型成形品の前記開口端にフレア状に開口する首部を形成し、前記首部と一体として円筒形状の軸部を形成し、前記厚肉状の開口縁部外周にテーパー形状のフェース部を形成する冷間絞り成形工程と、を備えた冷媒入り中空ポペットバルブの製造方法であって、
バルブの各部位を適切な硬度に加工するために前記冷間絞り成形工程開始前に少なくとも1回の中間焼鈍工程を行い、必要に応じて前記冷間絞り成形工程の途中に適宜回数の中間焼鈍工程を行うことで、600℃温度下で使用される前記首部のビッカース硬度を略250HV以上350HV以下にし、前記冷間絞り成形工程により、400℃温度下で使用される前記軸部のビッカーズ硬度を略350HV以上380HV以下にすることを特徴とする冷媒入り中空ポペットバルブの製造方法。 - 前記冷間絞り成形工程後の冷間鍛造工程により、前記フェース部の表層部のビッカーズ硬度を略380HV以上にすることを特徴とする請求項3記載の冷媒入り中空ポペットバルブの製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/020975 WO2007057946A1 (ja) | 2005-11-15 | 2005-11-15 | 冷媒入り中空ポペットバルブおよびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007057946A1 JPWO2007057946A1 (ja) | 2009-04-30 |
JP4871293B2 true JP4871293B2 (ja) | 2012-02-08 |
Family
ID=38048338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007545120A Expired - Fee Related JP4871293B2 (ja) | 2005-11-15 | 2005-11-15 | 冷媒入り中空ポペットバルブおよびその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090266314A1 (ja) |
EP (1) | EP1950384B1 (ja) |
JP (1) | JP4871293B2 (ja) |
KR (1) | KR100981100B1 (ja) |
CN (1) | CN101305168B (ja) |
WO (1) | WO2007057946A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4968734B2 (ja) * | 2007-08-02 | 2012-07-04 | バブコック日立株式会社 | オーステナイト鋼の使用温度推定方法 |
JP4390291B1 (ja) * | 2008-09-18 | 2009-12-24 | 株式会社 吉村カンパニー | 中空エンジンバルブの弁傘部の製造方法及び中空エンジンバルブ |
JP5574752B2 (ja) * | 2010-02-26 | 2014-08-20 | 三菱重工業株式会社 | 中空エンジンバルブの製造方法 |
JP5404472B2 (ja) * | 2010-02-26 | 2014-01-29 | 三菱重工業株式会社 | 中空エンジンバルブの製造方法 |
JP5297402B2 (ja) * | 2010-02-26 | 2013-09-25 | 三菱重工業株式会社 | 金属ナトリウム封入エンジンバルブの製造方法 |
JP5485011B2 (ja) * | 2010-05-12 | 2014-05-07 | 三菱重工業株式会社 | 金属ナトリウム封入エンジンバルブの製造方法 |
DE102012008945A1 (de) * | 2012-05-05 | 2013-11-07 | Mahle International Gmbh | Kolben für einen Verbrennungsmotor |
EP2789816B1 (en) * | 2012-10-02 | 2017-04-05 | Nittan Valve Co., Ltd. | Hollow poppet valve |
KR101688582B1 (ko) * | 2013-04-11 | 2016-12-21 | 니탄 밸브 가부시키가이샤 | 중공 포핏 밸브 |
DK177960B1 (en) * | 2014-04-08 | 2015-02-02 | Man Diesel & Turbo Deutschland | An exhaust valve for an internal combustion engine |
DE102017114509A1 (de) * | 2017-06-29 | 2019-01-03 | Federal-Mogul Valvetrain Gmbh | Hohlraumventil mit optimierter Schaftinnengeometrie und Verfahren zu dessen Herstellung |
KR102285017B1 (ko) | 2018-03-20 | 2021-08-04 | 니탄 밸브 가부시키가이샤 | 배기용 중공 포핏 밸브 |
EP3882438A4 (en) | 2018-11-12 | 2021-11-24 | Nittan Valve Co., Ltd. | METHOD OF MANUFACTURING AN MOTOR DISC VALVE |
US10787939B1 (en) | 2019-04-01 | 2020-09-29 | Cyclazoom, LLC | Poppet valve for internal combustion engine |
EP4129525A4 (en) | 2020-03-30 | 2023-06-14 | Nittan Corporation | METHOD OF MANUFACTURING AN ENGINE POPPET VALVE |
US11506091B2 (en) * | 2021-03-03 | 2022-11-22 | Cyclazoom, LLC | Poppet valve and internal combustion piston engine head including same |
Citations (7)
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JPS63264237A (ja) * | 1987-04-22 | 1988-11-01 | Aisan Ind Co Ltd | 中空バルブ素材の製造方法 |
JPS6483676A (en) * | 1987-09-28 | 1989-03-29 | Toyota Motor Corp | Wear resistant al alloy member |
JPH08176752A (ja) * | 1994-12-26 | 1996-07-09 | Aichi Steel Works Ltd | 冷鍛性に優れたマルテンサイト系耐熱鋼 |
JPH1162525A (ja) * | 1997-08-07 | 1999-03-05 | Fuji Oozx Inc | 内燃機関用バルブ及びその製造方法 |
JPH11210429A (ja) * | 1997-10-21 | 1999-08-03 | Eaton Corp | 内燃機関の超軽量ポペットバルブおよびその製造方法 |
WO2000047876A1 (fr) * | 1999-02-12 | 2000-08-17 | Nittan Valve Co., Ltd. | Clapet creux et son procede de fabrication |
JP2001323323A (ja) * | 2000-05-12 | 2001-11-22 | Aichi Steel Works Ltd | 自動車用エンジンバルブの製造方法 |
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US2734008A (en) * | 1956-02-07 | Method of making heat treating and hardening valves | ||
US2183254A (en) * | 1937-06-28 | 1939-12-12 | Eaton Mfg Co | Valve structure and method of forming |
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JPH1132525A (ja) * | 1997-07-17 | 1999-02-09 | Iseki & Co Ltd | 農作業機の旋回操作装置 |
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US6679478B2 (en) * | 2000-07-17 | 2004-01-20 | Nittan Valve Co., Ltd. | Hollow poppet valve and method for manufacturing the same |
-
2005
- 2005-11-15 CN CN2005800520594A patent/CN101305168B/zh not_active Expired - Fee Related
- 2005-11-15 US US12/093,364 patent/US20090266314A1/en not_active Abandoned
- 2005-11-15 WO PCT/JP2005/020975 patent/WO2007057946A1/ja active Application Filing
- 2005-11-15 KR KR1020087011668A patent/KR100981100B1/ko active IP Right Grant
- 2005-11-15 EP EP05806844.6A patent/EP1950384B1/en not_active Expired - Fee Related
- 2005-11-15 JP JP2007545120A patent/JP4871293B2/ja not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS63264237A (ja) * | 1987-04-22 | 1988-11-01 | Aisan Ind Co Ltd | 中空バルブ素材の製造方法 |
JPS6483676A (en) * | 1987-09-28 | 1989-03-29 | Toyota Motor Corp | Wear resistant al alloy member |
JPH08176752A (ja) * | 1994-12-26 | 1996-07-09 | Aichi Steel Works Ltd | 冷鍛性に優れたマルテンサイト系耐熱鋼 |
JPH1162525A (ja) * | 1997-08-07 | 1999-03-05 | Fuji Oozx Inc | 内燃機関用バルブ及びその製造方法 |
JPH11210429A (ja) * | 1997-10-21 | 1999-08-03 | Eaton Corp | 内燃機関の超軽量ポペットバルブおよびその製造方法 |
WO2000047876A1 (fr) * | 1999-02-12 | 2000-08-17 | Nittan Valve Co., Ltd. | Clapet creux et son procede de fabrication |
JP2001323323A (ja) * | 2000-05-12 | 2001-11-22 | Aichi Steel Works Ltd | 自動車用エンジンバルブの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20080070004A (ko) | 2008-07-29 |
US20090266314A1 (en) | 2009-10-29 |
CN101305168A (zh) | 2008-11-12 |
KR100981100B1 (ko) | 2010-09-08 |
EP1950384A4 (en) | 2009-11-25 |
JPWO2007057946A1 (ja) | 2009-04-30 |
CN101305168B (zh) | 2010-05-12 |
WO2007057946A1 (ja) | 2007-05-24 |
EP1950384A1 (en) | 2008-07-30 |
EP1950384B1 (en) | 2014-03-19 |
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