BR112021006347A2 - arranjo de pré-câmara para um motor a gás e um motor a gás - Google Patents

arranjo de pré-câmara para um motor a gás e um motor a gás

Info

Publication number
BR112021006347A2
BR112021006347A2 BR112021006347A BR112021006347A BR112021006347A2 BR 112021006347 A2 BR112021006347 A2 BR 112021006347A2 BR 112021006347 A BR112021006347 A BR 112021006347A BR 112021006347 A BR112021006347 A BR 112021006347A BR 112021006347 A2 BR112021006347 A2 BR 112021006347A2
Authority
BR
Brazil
Prior art keywords
chamber
gas engine
lower portion
volume
gas
Prior art date
Application number
BR112021006347A
Other languages
English (en)
Inventor
Axelsson Pål
Lejon Svante
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Publication of BR112021006347A2 publication Critical patent/BR112021006347A2/pt

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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • F02B19/108—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber with fuel injection at least into pre-combustion chamber, i.e. injector mounted directly in the pre-combustion chamber
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/16—Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
    • F02B19/18—Transfer passages between chamber and 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/08—Engines characterised by precombustion chambers the chamber being of air-swirl type
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/12—Engines characterised by precombustion chambers with positive ignition
    • 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
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • 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
    • F02B2710/00—Gas engines
    • 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)

Abstract

arranjo de pré-câmara para um motor a gás e um motor a gás. a invenção se refere a um arranjo de pré-câmara (100) para um motor a gás (1), o arranjo (100) compreendendo: um corpo da pré-câmara (20) acomodando um volume (30) e um dispositivo de fornecimento (50) para fornecer um meio gasoso (52) ao volume da pré-câmara (30); em que o corpo da pré-câmara (20) compreende uma porção inferior (22) com canais (40) para permitir o fluxo de gás entre o volume da pré-câmara (30) e uma câmara de combustão principal (10) do motor a gás (1), em que cada canal (40) se estende ao longo de um eixo de canal (c) a partir de uma abertura interna (42) voltada para o volume da pré-câmara (30) para uma abertura externa (44) configurada para ficar voltada para a câmara de combustão principal (10), em que a porção inferior (22) compreende uma superfície externa curva (24), em que os canais (40) são dispostos obliquamente em relação a um raio (r) da porção inferior (22), e a porção inferior compreende superfícies planas (46) circundando as aberturas externas dos canais.
BR112021006347A 2018-10-11 2019-10-07 arranjo de pré-câmara para um motor a gás e um motor a gás BR112021006347A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1851243A SE542877C2 (en) 2018-10-11 2018-10-11 A pre-chamber arrangement for a gas engine and a gas engine
PCT/SE2019/050972 WO2020076222A1 (en) 2018-10-11 2019-10-07 A pre-chamber arrangement for a gas engine and a gas engine

Publications (1)

Publication Number Publication Date
BR112021006347A2 true BR112021006347A2 (pt) 2021-07-06

Family

ID=70163840

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021006347A BR112021006347A2 (pt) 2018-10-11 2019-10-07 arranjo de pré-câmara para um motor a gás e um motor a gás

Country Status (6)

Country Link
US (2) US11261778B2 (pt)
EP (1) EP3864268B1 (pt)
CN (1) CN112789399B (pt)
BR (1) BR112021006347A2 (pt)
SE (1) SE542877C2 (pt)
WO (1) WO2020076222A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023526964A (ja) * 2020-05-20 2023-06-26 ボード オブ トラスティーズ オブ ミシガン ステート ユニバーシティ 予燃焼室の外部に複数の燃料噴射を含む内燃機関
DE102021000855B3 (de) * 2021-02-18 2022-08-18 Mercedes-Benz Group AG Vorkammerzündkerze für eine Verbrennungskraftmaschine, Verbrennungskraftmaschine sowie Verfahren zum Herstellen einer solchen Vorkammerzündkerze
WO2023181398A1 (ja) * 2022-03-25 2023-09-28 三菱自動車工業株式会社 エンジン

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US2969050A (en) 1958-03-07 1961-01-24 List Hans Precombustion chamber of fuel injection engines
US4930473A (en) 1988-12-09 1990-06-05 Texas Ignitors Company, Inc. Swirl chamber and spark plug assembly
FR2810692B1 (fr) 2000-06-23 2002-11-29 Peugeot Citroen Automobiles Sa Dispositif d'allumage pour moteur a combustion interne a prechambre
US6854439B2 (en) 2002-03-02 2005-02-15 Jose Francisco Regueiro Prechamber combustion system
US6651618B1 (en) 2002-05-14 2003-11-25 Caterpillar Inc Air and fuel supply system for combustion engine
US7922551B2 (en) * 2005-06-07 2011-04-12 Woodward, Inc. Pre-chamber spark plug
JP2007297942A (ja) 2006-04-28 2007-11-15 Nissan Motor Co Ltd 内燃機関の点火装置
EP2169312A1 (en) * 2008-09-25 2010-03-31 Siemens Aktiengesellschaft Stepped swirler for dynamic control
EP2520780A4 (en) 2009-12-28 2013-07-24 Kawasaki Heavy Ind Ltd Gas engine with auxiliary chamber
JP5357926B2 (ja) 2010-12-27 2013-12-04 川崎重工業株式会社 副室式ガスエンジン
JP2014525546A (ja) * 2011-09-03 2014-09-29 プロメテウス アプライド テクノロジーズ，エルエルシー ガスエンジン用のプレチャンバスパークプラグにおいて高出力火炎ジェットを達成して消炎及び自己発火を抑制する方法及び装置
CN102588074A (zh) * 2012-02-29 2012-07-18 湖南省力宇燃气动力有限公司 一种燃气内燃机预燃室
EP2935865B1 (en) * 2012-12-21 2020-06-24 Caterpillar Energy Solutions GmbH Ignition plug tip of an internal combustion engine
JP6049450B2 (ja) * 2012-12-28 2016-12-21 三菱重工業株式会社 副室式ガスエンジン
US9797296B2 (en) 2013-03-15 2017-10-24 Cummins Inc. Pre-chamber for internal combustion engine
US9816430B2 (en) * 2013-10-21 2017-11-14 Mitsubishi Heavy Industries, Ltd. Pre-combustion-chamber type gas engine
EP3045715A1 (en) * 2015-01-16 2016-07-20 Caterpillar Energy Solutions GmbH Laser ignited pre-combustion chamber assembly
US9593622B2 (en) * 2015-02-09 2017-03-14 Caterpillar Inc. Combustion system, nozzle for prechamber assembly, and method of making same
WO2017064355A1 (en) * 2015-10-13 2017-04-20 Wärtsilä Finland Oy Prechamber arrangement
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EP3239487B1 (en) * 2016-04-28 2021-09-01 Mahle Powertrain LLC Internal combustion engine with optimized jet ignition pre-chamber
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Also Published As

Publication number Publication date
US20220186658A1 (en) 2022-06-16
EP3864268B1 (en) 2024-02-14
US11608772B2 (en) 2023-03-21
CN112789399B (zh) 2022-05-17
SE1851243A1 (en) 2020-04-12
US20210355860A1 (en) 2021-11-18
SE542877C2 (en) 2020-07-28
EP3864268A4 (en) 2022-06-08
US11261778B2 (en) 2022-03-01
EP3864268A1 (en) 2021-08-18
WO2020076222A1 (en) 2020-04-16
CN112789399A (zh) 2021-05-11

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