JP7586749B2 - 対向ピストンエンジン - Google Patents

対向ピストンエンジン Download PDF

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Publication number
JP7586749B2
JP7586749B2 JP2021053560A JP2021053560A JP7586749B2 JP 7586749 B2 JP7586749 B2 JP 7586749B2 JP 2021053560 A JP2021053560 A JP 2021053560A JP 2021053560 A JP2021053560 A JP 2021053560A JP 7586749 B2 JP7586749 B2 JP 7586749B2
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JP
Japan
Prior art keywords
piston
fuel injection
cylinder
groove
injection groove
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
JP2021053560A
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English (en)
Japanese (ja)
Other versions
JP2022150793A5 (enExample
JP2022150793A (ja
Inventor
啓太 鈴木
勇紀 小柴
健吾 田中
進太郎 首藤
匡史 森
成俊 菅田
哲司 上田
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP2021053560A priority Critical patent/JP7586749B2/ja
Priority to US18/278,754 priority patent/US12104525B2/en
Priority to PCT/JP2022/012971 priority patent/WO2022202746A1/ja
Publication of JP2022150793A publication Critical patent/JP2022150793A/ja
Publication of JP2022150793A5 publication Critical patent/JP2022150793A5/ja
Application granted granted Critical
Publication of JP7586749B2 publication Critical patent/JP7586749B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/08—Engines with oppositely-moving reciprocating working pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
    • F02B75/282—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders the pistons having equal strokes
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • 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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
JP2021053560A 2021-03-26 2021-03-26 対向ピストンエンジン Active JP7586749B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021053560A JP7586749B2 (ja) 2021-03-26 2021-03-26 対向ピストンエンジン
US18/278,754 US12104525B2 (en) 2021-03-26 2022-03-22 Opposed-piston engine
PCT/JP2022/012971 WO2022202746A1 (ja) 2021-03-26 2022-03-22 対向ピストンエンジン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021053560A JP7586749B2 (ja) 2021-03-26 2021-03-26 対向ピストンエンジン

Publications (3)

Publication Number Publication Date
JP2022150793A JP2022150793A (ja) 2022-10-07
JP2022150793A5 JP2022150793A5 (enExample) 2024-01-26
JP7586749B2 true JP7586749B2 (ja) 2024-11-19

Family

ID=83397418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021053560A Active JP7586749B2 (ja) 2021-03-26 2021-03-26 対向ピストンエンジン

Country Status (3)

Country Link
US (1) US12104525B2 (enExample)
JP (1) JP7586749B2 (enExample)
WO (1) WO2022202746A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2026075975A (ja) * 2024-10-23 2026-05-11 三菱重工業株式会社 内燃機関

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130036999A1 (en) 2011-08-08 2013-02-14 Ecomotors International, Inc. High-Squish Combustion Chamber With Side Injection
DE102012011159A1 (de) 2012-06-05 2013-12-05 Günter Elsbett Brennraum für Gegenkolbenmotoren
US20170254261A1 (en) 2014-09-29 2017-09-07 Volvo Truck Corporation Opposed piston engine with pistons having conical recesses therein
JP2018513936A (ja) 2015-03-31 2018-05-31 アカーテース パワー，インク． 対向ピストンエンジンの非対称形状の燃焼室

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2678308B2 (ja) * 1989-02-16 1997-11-17 スズキ株式会社 ２サイクルエンジンのピストン
JP2007107475A (ja) 2005-10-14 2007-04-26 Denso Corp ２サイクルエンジン
WO2011139332A2 (en) 2010-04-27 2011-11-10 Achates Power, Inc. Combustion chamber constructions for opposed-piston engines
US8820294B2 (en) 2010-08-16 2014-09-02 Achates Power, Inc. Fuel injection spray patterns for opposed-piston engines
CN104662281A (zh) 2012-09-25 2015-05-27 阿凯提兹动力公司 对置活塞式发动机中具有涡流喷雾模式的燃料喷射
JP5575284B2 (ja) 2013-02-04 2014-08-20 三菱重工業株式会社 エンジン排気エネルギー回収方法
JP7321108B2 (ja) 2020-01-30 2023-08-04 三菱重工業株式会社 ２サイクル対向ピストンエンジン

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130036999A1 (en) 2011-08-08 2013-02-14 Ecomotors International, Inc. High-Squish Combustion Chamber With Side Injection
DE102012011159A1 (de) 2012-06-05 2013-12-05 Günter Elsbett Brennraum für Gegenkolbenmotoren
US20170254261A1 (en) 2014-09-29 2017-09-07 Volvo Truck Corporation Opposed piston engine with pistons having conical recesses therein
JP2018513936A (ja) 2015-03-31 2018-05-31 アカーテース パワー，インク． 対向ピストンエンジンの非対称形状の燃焼室

Also Published As

Publication number Publication date
WO2022202746A1 (ja) 2022-09-29
US12104525B2 (en) 2024-10-01
US20230392544A1 (en) 2023-12-07
JP2022150793A (ja) 2022-10-07

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