JP7741719B2 - シニューレ式２ストロークエンジン - Google Patents

シニューレ式２ストロークエンジン

Info

Publication number
JP7741719B2
JP7741719B2 JP2021204653A JP2021204653A JP7741719B2 JP 7741719 B2 JP7741719 B2 JP 7741719B2 JP 2021204653 A JP2021204653 A JP 2021204653A JP 2021204653 A JP2021204653 A JP 2021204653A JP 7741719 B2 JP7741719 B2 JP 7741719B2
Authority
JP
Japan
Prior art keywords
scavenging
intake
port
type
stroke engine
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
JP2021204653A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023089870A (ja
JP2023089870A5 (enExample
Inventor
隆広 山崎
健 白井
寿人 小野寺
浩一郎 小倉
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.)
Yamabiko Corp
Original Assignee
Yamabiko 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 Yamabiko Corp filed Critical Yamabiko Corp
Priority to JP2021204653A priority Critical patent/JP7741719B2/ja
Priority to CN202211101037.4A priority patent/CN116265727A/zh
Priority to US18/080,769 priority patent/US11828221B2/en
Priority to EP22214257.2A priority patent/EP4198279A1/en
Publication of JP2023089870A publication Critical patent/JP2023089870A/ja
Publication of JP2023089870A5 publication Critical patent/JP2023089870A5/ja
Application granted granted Critical
Publication of JP7741719B2 publication Critical patent/JP7741719B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
    • 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
    • F02B17/00—Engines characterised by means for effecting stratification of charge in 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
    • 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
    • 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
    • F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
    • 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
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • 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 
    • F02F1/18—Other cylinders
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • 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
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
JP2021204653A 2021-12-16 2021-12-16 シニューレ式２ストロークエンジン Active JP7741719B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2021204653A JP7741719B2 (ja) 2021-12-16 2021-12-16 シニューレ式２ストロークエンジン
CN202211101037.4A CN116265727A (zh) 2021-12-16 2022-09-09 施努尔勒式双冲程发动机
US18/080,769 US11828221B2 (en) 2021-12-16 2022-12-14 Schnuerle scavenging two-stroke engine
EP22214257.2A EP4198279A1 (en) 2021-12-16 2022-12-16 Schnuerle scavenging two-stroke engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021204653A JP7741719B2 (ja) 2021-12-16 2021-12-16 シニューレ式２ストロークエンジン

Publications (3)

Publication Number Publication Date
JP2023089870A JP2023089870A (ja) 2023-06-28
JP2023089870A5 JP2023089870A5 (enExample) 2023-09-27
JP7741719B2 true JP7741719B2 (ja) 2025-09-18

Family

ID=84537507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021204653A Active JP7741719B2 (ja) 2021-12-16 2021-12-16 シニューレ式２ストロークエンジン

Country Status (4)

Country Link
US (1) US11828221B2 (enExample)
EP (1) EP4198279A1 (enExample)
JP (1) JP7741719B2 (enExample)
CN (1) CN116265727A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011214527A (ja) 2010-03-31 2011-10-27 Hitachi Koki Co Ltd ２サイクルエンジンおよびそれを備えたエンジン作業機
JP2014163244A (ja) 2013-02-22 2014-09-08 Yamabiko Corp ２ストローク内燃エンジン

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59213919A (ja) * 1983-05-19 1984-12-03 Nippon Clean Engine Res 層状掃気二サイクル内燃機関
JPH04330329A (ja) * 1991-04-30 1992-11-18 Sanshin Ind Co Ltd クランク室予圧縮式２サイクル内燃機関
JP2000034927A (ja) 1998-07-17 2000-02-02 Kioritz Corp ２サイクル内燃エンジン
JP3781919B2 (ja) 1999-05-27 2006-06-07 小松ゼノア株式会社 層状掃気２サイクルエンジン
DE10326207A1 (de) 2003-06-11 2004-12-30 Andreas Stihl Ag & Co. Kg Verfahren zur Herstellung eines Zylinders für einen Zweitaktmotor
JP5770015B2 (ja) 2010-06-22 2015-08-26 川崎重工業株式会社 空気掃気型の２サイクルエンジン
JP5670113B2 (ja) * 2010-08-02 2015-02-18 株式会社やまびこ 反転掃気式２サイクルエンジン
JP5793017B2 (ja) * 2011-08-10 2015-10-14 株式会社やまびこ ２サイクル内燃エンジン
JP6556524B2 (ja) 2015-06-24 2019-08-07 株式会社やまびこ 層状掃気式２サイクル内燃エンジン用のエアクリーナ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011214527A (ja) 2010-03-31 2011-10-27 Hitachi Koki Co Ltd ２サイクルエンジンおよびそれを備えたエンジン作業機
US20130008681A1 (en) 2010-03-31 2013-01-10 Ichihashi Naoto Two-cycle engine and engine tool comprising the same
CN102782280B (zh) 2010-03-31 2015-03-04 日立工机株式会社 二冲程发动机和包括所述发动机的发动机工具
JP2014163244A (ja) 2013-02-22 2014-09-08 Yamabiko Corp ２ストローク内燃エンジン

Also Published As

Publication number Publication date
CN116265727A (zh) 2023-06-20
US20230193811A1 (en) 2023-06-22
EP4198279A1 (en) 2023-06-21
JP2023089870A (ja) 2023-06-28
US11828221B2 (en) 2023-11-28

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