JP2023091625A - ピストンおよび舶用内燃機関 - Google Patents

ピストンおよび舶用内燃機関 Download PDF

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Publication number
JP2023091625A
JP2023091625A JP2021206450A JP2021206450A JP2023091625A JP 2023091625 A JP2023091625 A JP 2023091625A JP 2021206450 A JP2021206450 A JP 2021206450A JP 2021206450 A JP2021206450 A JP 2021206450A JP 2023091625 A JP2023091625 A JP 2023091625A
Authority
JP
Japan
Prior art keywords
piston
peripheral surface
cylinder
outer peripheral
coating film
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
Application number
JP2021206450A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023091625A5 (enExample
Inventor
芳彦 木下
Yoshihiko Kinoshita
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.)
Japan Engine Corp
Original Assignee
Japan Engine 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 Japan Engine Corp filed Critical Japan Engine Corp
Priority to JP2021206450A priority Critical patent/JP2023091625A/ja
Priority to KR1020220172623A priority patent/KR102885414B1/ko
Priority to CN202211631192.7A priority patent/CN116291936A/zh
Publication of JP2023091625A publication Critical patent/JP2023091625A/ja
Publication of JP2023091625A5 publication Critical patent/JP2023091625A5/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • F02F3/00—Pistons 
    • F02F3/0084—Pistons  the pistons being constructed from specific materials
    • 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
    • F02F3/00—Pistons 
    • 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
    • F02F3/00—Pistons 
    • F02F3/10—Pistons  having surface coverings
    • 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
    • F02F3/00—Pistons 
    • F02F3/26—Pistons  having combustion chamber in piston head
    • 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
    • F02F3/00—Pistons 
    • F02F3/28—Other pistons with specially-shaped head
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F2003/0007—Monolithic pistons; One piece constructions; Casting of pistons
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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)
JP2021206450A 2021-12-20 2021-12-20 ピストンおよび舶用内燃機関 Pending JP2023091625A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021206450A JP2023091625A (ja) 2021-12-20 2021-12-20 ピストンおよび舶用内燃機関
KR1020220172623A KR102885414B1 (ko) 2021-12-20 2022-12-12 피스톤 및 선박용 내연 기관
CN202211631192.7A CN116291936A (zh) 2021-12-20 2022-12-19 活塞和船舶用内燃机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021206450A JP2023091625A (ja) 2021-12-20 2021-12-20 ピストンおよび舶用内燃機関

Publications (2)

Publication Number Publication Date
JP2023091625A true JP2023091625A (ja) 2023-06-30
JP2023091625A5 JP2023091625A5 (enExample) 2024-12-09

Family

ID=86793017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021206450A Pending JP2023091625A (ja) 2021-12-20 2021-12-20 ピストンおよび舶用内燃機関

Country Status (3)

Country Link
JP (1) JP2023091625A (enExample)
KR (1) KR102885414B1 (enExample)
CN (1) CN116291936A (enExample)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK174074B1 (da) * 1995-07-07 2002-05-21 Man B & W Diesel As Forbrændingsmotor med en koksskrabningsring i en cylinder
DE19641703C1 (de) * 1996-10-10 1998-01-22 Daimler Benz Ag Zweitakt-Brennkraftmaschine
JP2007064133A (ja) * 2005-09-01 2007-03-15 Nissan Diesel Motor Co Ltd ピストン構造
DK178468B1 (en) * 2014-09-19 2016-04-11 Man Diesel & Turbo Deutschland A top piston ring for a large two-stroke turbo-charged uniflow-scavenged internal combustion engine with crossheads
US11168643B2 (en) * 2018-02-21 2021-11-09 Tenneco Inc. Coating to reduce coking deposits on steel pistons
DE102019122878A1 (de) * 2019-08-27 2021-03-04 Man Energy Solutions Se Kolben und Zylinder einer Brennkraftmaschine und Brennkraftmaschine

Also Published As

Publication number Publication date
KR102885414B1 (ko) 2025-11-12
KR20230094150A (ko) 2023-06-27
CN116291936A (zh) 2023-06-23

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