JP7579237B2 - ピストンリング及びピストンリングセット - Google Patents

ピストンリング及びピストンリングセット Download PDF

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Publication number
JP7579237B2
JP7579237B2 JP2021214413A JP2021214413A JP7579237B2 JP 7579237 B2 JP7579237 B2 JP 7579237B2 JP 2021214413 A JP2021214413 A JP 2021214413A JP 2021214413 A JP2021214413 A JP 2021214413A JP 7579237 B2 JP7579237 B2 JP 7579237B2
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JP
Japan
Prior art keywords
piston ring
rail
curved
ear
curved surface
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
Application number
JP2021214413A
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English (en)
Japanese (ja)
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JP2023097976A5 (enExample
JP2023097976A (ja
Inventor
武志 山田
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
Priority to JP2021214413A priority Critical patent/JP7579237B2/ja
Application filed by Riken Corp filed Critical Riken Corp
Priority to CN202280084590.3A priority patent/CN118369529A/zh
Priority to KR1020247023693A priority patent/KR20240121849A/ko
Priority to EP22915831.6A priority patent/EP4435298A4/en
Priority to PCT/JP2022/046957 priority patent/WO2023127607A1/ja
Priority to US18/721,195 priority patent/US20250052320A1/en
Publication of JP2023097976A publication Critical patent/JP2023097976A/ja
Publication of JP2023097976A5 publication Critical patent/JP2023097976A5/ja
Application granted granted Critical
Publication of JP7579237B2 publication Critical patent/JP7579237B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F5/00—Piston rings, e.g. associated with piston crown
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
    • F16J9/064—Rings with a flat annular side rail
    • F16J9/066—Spring expander from sheet metal
    • F16J9/068—Spring expander from sheet metal corrugated in the axial direction
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/14—Joint-closures
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/20—Rings with special cross-section; Oil-scraping rings
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
JP2021214413A 2021-12-28 2021-12-28 ピストンリング及びピストンリングセット Active JP7579237B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2021214413A JP7579237B2 (ja) 2021-12-28 2021-12-28 ピストンリング及びピストンリングセット
KR1020247023693A KR20240121849A (ko) 2021-12-28 2022-12-20 피스톤 링 및 피스톤 링 세트
EP22915831.6A EP4435298A4 (en) 2021-12-28 2022-12-20 PISTON RING AND PISTON RING ASSEMBLY
PCT/JP2022/046957 WO2023127607A1 (ja) 2021-12-28 2022-12-20 ピストンリング及びピストンリングセット
CN202280084590.3A CN118369529A (zh) 2021-12-28 2022-12-20 活塞环及活塞环组
US18/721,195 US20250052320A1 (en) 2021-12-28 2022-12-20 Piston ring and piston ring set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021214413A JP7579237B2 (ja) 2021-12-28 2021-12-28 ピストンリング及びピストンリングセット

Publications (3)

Publication Number Publication Date
JP2023097976A JP2023097976A (ja) 2023-07-10
JP2023097976A5 JP2023097976A5 (enExample) 2024-07-04
JP7579237B2 true JP7579237B2 (ja) 2024-11-07

Family

ID=86998904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021214413A Active JP7579237B2 (ja) 2021-12-28 2021-12-28 ピストンリング及びピストンリングセット

Country Status (6)

Country Link
US (1) US20250052320A1 (enExample)
EP (1) EP4435298A4 (enExample)
JP (1) JP7579237B2 (enExample)
KR (1) KR20240121849A (enExample)
CN (1) CN118369529A (enExample)
WO (1) WO2023127607A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7467783B1 (ja) 2024-02-05 2024-04-15 トクセン工業株式会社 圧力リング用線
JP7508717B1 (ja) 2024-02-05 2024-07-01 トクセン工業株式会社 圧力リング用線

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002323133A (ja) 2001-02-23 2002-11-08 Teikoku Piston Ring Co Ltd 圧力リング用線材及び圧力リングとその製造方法
JP2003194222A (ja) 2001-12-28 2003-07-09 Riken Corp サイドレール及び組合せオイルリング
JP2006336744A (ja) 2005-06-01 2006-12-14 Toyota Motor Corp ピストンリング
JP4165119B2 (ja) 2002-05-15 2008-10-15 日産自動車株式会社 内燃機関のピストンリング
JP2017026054A (ja) 2015-07-23 2017-02-02 株式会社リケン ピストンリング
JP2019124346A (ja) 2018-05-21 2019-07-25 Ｔｐｒ株式会社 組合せオイルリング
WO2019194104A1 (ja) 2018-04-06 2019-10-10 株式会社リケン スペーサエキスパンダ及びこれを備えるオイルコントロールリング
JP2021001612A (ja) 2019-06-19 2021-01-07 Ｔｐｒ株式会社 ピストンリングの組み合わせ
JP2021060048A (ja) 2019-10-03 2021-04-15 日本ピストンリング株式会社 内燃機関の摺動構造、内燃機関の摺動構造の作り込み方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53150308U (enExample) * 1977-04-30 1978-11-27
JPS648553U (enExample) * 1987-07-03 1989-01-18
BR8802641A (pt) * 1988-05-26 1990-01-09 Cofap Segmento de anel para motores de combustao interna
JP2564947Y2 (ja) * 1991-08-12 1998-03-11 株式会社リケン バレルフェイス形ピストンリング
JPH0611038A (ja) 1992-06-22 1994-01-21 Riken Corp 内燃機関用ピストンリング
DE4429649C2 (de) * 1994-08-20 1998-02-19 Ae Goetze Gmbh Kolbenring
JP4322500B2 (ja) * 2002-12-18 2009-09-02 帝国ピストンリング株式会社 組合せオイルリング
JP2010031835A (ja) * 2008-06-23 2010-02-12 Nissan Motor Co Ltd 内燃機関用オイルリング及びピストン
JP6239964B2 (ja) * 2013-12-18 2017-11-29 株式会社リケン 組合せオイルコントロールリング
US9784369B2 (en) * 2014-09-12 2017-10-10 Tpr Co., Ltd. Combination oil ring
JP6530200B2 (ja) * 2015-02-23 2019-06-12 株式会社リケン サイドレール
JP6533670B2 (ja) * 2015-03-12 2019-06-19 株式会社リケン サイドレール
CN109416124B (zh) * 2017-07-05 2020-04-14 帝伯爱尔株式会社 组合油环
JP6603284B2 (ja) * 2017-10-05 2019-11-06 株式会社リケン サイドレール
EP3825584B1 (en) * 2018-11-15 2024-08-07 Tpr Co., Ltd. Piston ring combination
US11994219B2 (en) * 2021-03-31 2024-05-28 Kabushiki Kaisha Riken Side rail and oil control ring comprising same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002323133A (ja) 2001-02-23 2002-11-08 Teikoku Piston Ring Co Ltd 圧力リング用線材及び圧力リングとその製造方法
JP2003194222A (ja) 2001-12-28 2003-07-09 Riken Corp サイドレール及び組合せオイルリング
JP4165119B2 (ja) 2002-05-15 2008-10-15 日産自動車株式会社 内燃機関のピストンリング
JP2006336744A (ja) 2005-06-01 2006-12-14 Toyota Motor Corp ピストンリング
JP2017026054A (ja) 2015-07-23 2017-02-02 株式会社リケン ピストンリング
WO2019194104A1 (ja) 2018-04-06 2019-10-10 株式会社リケン スペーサエキスパンダ及びこれを備えるオイルコントロールリング
JP2019124346A (ja) 2018-05-21 2019-07-25 Ｔｐｒ株式会社 組合せオイルリング
JP2021001612A (ja) 2019-06-19 2021-01-07 Ｔｐｒ株式会社 ピストンリングの組み合わせ
JP2021060048A (ja) 2019-10-03 2021-04-15 日本ピストンリング株式会社 内燃機関の摺動構造、内燃機関の摺動構造の作り込み方法

Also Published As

Publication number Publication date
US20250052320A1 (en) 2025-02-13
EP4435298A1 (en) 2024-09-25
JP2023097976A (ja) 2023-07-10
KR20240121849A (ko) 2024-08-09
WO2023127607A1 (ja) 2023-07-06
EP4435298A4 (en) 2025-10-22
CN118369529A (zh) 2024-07-19

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