EP4534818A4 - TWO-STROKE HYDROGEN ENGINE - Google Patents

TWO-STROKE HYDROGEN ENGINE

Info

Publication number
EP4534818A4
EP4534818A4 EP23811448.2A EP23811448A EP4534818A4 EP 4534818 A4 EP4534818 A4 EP 4534818A4 EP 23811448 A EP23811448 A EP 23811448A EP 4534818 A4 EP4534818 A4 EP 4534818A4
Authority
EP
European Patent Office
Prior art keywords
hydrogen engine
stroke
stroke hydrogen
engine
hydrogen
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
EP23811448.2A
Other languages
German (de)
French (fr)
Other versions
EP4534818A1 (en
Inventor
Akiyoshi Wachi
Takuya Iwamoto
Yo Aramaki
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Publication of EP4534818A1 publication Critical patent/EP4534818A1/en
Publication of EP4534818A4 publication Critical patent/EP4534818A4/en
Pending legal-status Critical Current

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
    • 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
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
    • F02M21/0206—Non-hydrocarbon fuels, e.g. hydrogen, ammonia or carbon monoxide
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • F02M21/0275—Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
    • 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
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
EP23811448.2A 2022-05-24 2023-03-30 TWO-STROKE HYDROGEN ENGINE Pending EP4534818A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022084445 2022-05-24
PCT/JP2023/013325 WO2023228569A1 (en) 2022-05-24 2023-03-30 Two-stroke hydrogen engine

Publications (2)

Publication Number Publication Date
EP4534818A1 EP4534818A1 (en) 2025-04-09
EP4534818A4 true EP4534818A4 (en) 2025-08-13

Family

ID=88919039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23811448.2A Pending EP4534818A4 (en) 2022-05-24 2023-03-30 TWO-STROKE HYDROGEN ENGINE

Country Status (3)

Country Link
EP (1) EP4534818A4 (en)
JP (1) JPWO2023228569A1 (en)
WO (1) WO2023228569A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12209544B1 (en) 2023-11-29 2025-01-28 Eaton Intelligent Power Limited Engine braking in hydrogen internal combustion engines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130247885A1 (en) * 2010-12-09 2013-09-26 Masahisa Fukuyama Two-stroke engine and four-stroke engine
EP3670878A1 (en) * 2018-12-19 2020-06-24 Winterthur Gas & Diesel Ltd. Internal combustion engine
DK202070740A1 (en) * 2020-11-06 2022-05-09 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland Compression-ignited internal combustion engine operating on ammonia and retrofit kit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876988A (en) * 1988-06-13 1989-10-31 Paul Marius A Combined fuel engine
JP2003129867A (en) * 2001-10-23 2003-05-08 Daihatsu Motor Co Ltd Two-cycle internal combustion engine with exhaust turbo supercharger
EP1380737B1 (en) * 2002-07-09 2005-04-20 Wärtsilä Schweiz AG Method for operating a two stroke reciprocating piston internal combustion engine
US6834626B1 (en) * 2004-04-07 2004-12-28 General Motors Corporation Hybrid electric powertrain
JP2008274899A (en) * 2007-05-07 2008-11-13 Nippon Suiso Kk Hydrogen two-stroke engine with upper cover part scavenging hole and trap valve thereof
JP2013113155A (en) * 2011-11-25 2013-06-10 Mitsubishi Heavy Ind Ltd Gas engine
PT3523532T (en) * 2016-10-07 2021-02-15 Dma Tech S A R L Internal combustion steam engine
FR3064300A1 (en) 2017-03-23 2018-09-28 New Times TWO-TIME EXPLOSION ENGINE
JP7236407B2 (en) * 2020-05-29 2023-03-09 株式会社三井Ｅ＆Ｓマシナリー Internal combustion engine using hydrogen fuel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130247885A1 (en) * 2010-12-09 2013-09-26 Masahisa Fukuyama Two-stroke engine and four-stroke engine
EP3670878A1 (en) * 2018-12-19 2020-06-24 Winterthur Gas & Diesel Ltd. Internal combustion engine
DK202070740A1 (en) * 2020-11-06 2022-05-09 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland Compression-ignited internal combustion engine operating on ammonia and retrofit kit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023228569A1 *

Also Published As

Publication number Publication date
WO2023228569A1 (en) 2023-11-30
JPWO2023228569A1 (en) 2023-11-30
EP4534818A1 (en) 2025-04-09

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