AU2021201025B2 - Engine mixing structures - Google Patents

Engine mixing structures Download PDF

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Publication number
AU2021201025B2
AU2021201025B2 AU2021201025A AU2021201025A AU2021201025B2 AU 2021201025 B2 AU2021201025 B2 AU 2021201025B2 AU 2021201025 A AU2021201025 A AU 2021201025A AU 2021201025 A AU2021201025 A AU 2021201025A AU 2021201025 B2 AU2021201025 B2 AU 2021201025B2
Authority
AU
Australia
Prior art keywords
fuel
channels
conduits
gas
central volume
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
AU2021201025A
Other languages
English (en)
Other versions
AU2021201025A1 (en
Inventor
Kevin Bailey
John Dowell
Sreenivasa Rao GUBBA
Adam Edgar Klingbeil
Thomas Michael Lavertu
Kevin MCELHANEY
Roy James Primus
Victor Manuel Salazar
Bhaskar Tamma
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.)
Transportation IP Holdings LLC
Original Assignee
Transportation IP Holdings LLC
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 claimed from US16/800,992 external-priority patent/US11549429B2/en
Application filed by Transportation IP Holdings LLC filed Critical Transportation IP Holdings LLC
Publication of AU2021201025A1 publication Critical patent/AU2021201025A1/en
Application granted granted Critical
Publication of AU2021201025B2 publication Critical patent/AU2021201025B2/en
Priority to AU2022231769A priority Critical patent/AU2022231769B2/en
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
    • 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
    • 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
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
    • F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
    • 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
    • F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F02M21/0281—Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
    • 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
    • F02M21/04—Gas-air mixing apparatus
    • F02M21/042—Mixer comprising a plurality of bores or flow passages
    • 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

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)
  • Dispersion Chemistry (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)
AU2021201025A 2020-02-25 2021-02-17 Engine mixing structures Active AU2021201025B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2022231769A AU2022231769B2 (en) 2020-02-25 2022-09-16 Engine mixing structures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/800,992 2020-02-25
US16/800,992 US11549429B2 (en) 2018-01-12 2020-02-25 Engine mixing structures

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2022231769A Division AU2022231769B2 (en) 2020-02-25 2022-09-16 Engine mixing structures

Publications (2)

Publication Number Publication Date
AU2021201025A1 AU2021201025A1 (en) 2021-09-09
AU2021201025B2 true AU2021201025B2 (en) 2022-08-04

Family

ID=77176336

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2021201025A Active AU2021201025B2 (en) 2020-02-25 2021-02-17 Engine mixing structures
AU2022231769A Active AU2022231769B2 (en) 2020-02-25 2022-09-16 Engine mixing structures

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU2022231769A Active AU2022231769B2 (en) 2020-02-25 2022-09-16 Engine mixing structures

Country Status (3)

Country Link
CN (1) CN113374570B (zh)
AU (2) AU2021201025B2 (zh)
DE (1) DE102021103946A1 (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095437A (en) * 1998-01-26 2000-08-01 Denso Corporation Air-assisted type fuel injector for engines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411331A1 (de) * 1984-03-28 1985-07-25 Daimler-Benz Ag, 7000 Stuttgart Luftverdichtende, direkteinspritzende brennkraftmaschine mit im zylinderkopf angeordnetem brennraum
CA2767247C (en) * 2012-02-07 2014-03-25 Westport Power Inc. Apparatus and method for igniting a gaseous fuel in a direct injection internal combustion engine
JP5811979B2 (ja) * 2012-09-24 2015-11-11 株式会社デンソー 燃料噴射弁
JP6881285B2 (ja) * 2017-12-27 2021-06-02 トヨタ自動車株式会社 内燃機関
JP6888570B2 (ja) * 2018-03-07 2021-06-16 トヨタ自動車株式会社 内燃機関

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095437A (en) * 1998-01-26 2000-08-01 Denso Corporation Air-assisted type fuel injector for engines

Also Published As

Publication number Publication date
CN113374570B (zh) 2023-04-25
AU2022231769A1 (en) 2022-10-06
AU2021201025A1 (en) 2021-09-09
CN113374570A (zh) 2021-09-10
AU2022231769B2 (en) 2024-02-08
DE102021103946A1 (de) 2021-08-26

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Legal Events

Date Code Title Description
DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE NAME OF THE INVENTOR TO READ GUBBA, SREENIVASA RAO; TAMMA, BHASKAR; SALAZAR, VICTOR MANUEL; KLINGBEIL, ADAM EDGAR; LAVERTU, THOMAS MICHAEL; PRIMUS, ROY JAMES; DOWELL, JOHN; BAILEY, KEVIN AND MCELHANEY, KEVIN

FGA Letters patent sealed or granted (standard patent)