PL3902985T3 - Dwusuwowy silnik spalinowy wewnętrznego spalania - Google Patents

Dwusuwowy silnik spalinowy wewnętrznego spalania

Info

Publication number
PL3902985T3
PL3902985T3 PL19813659.0T PL19813659T PL3902985T3 PL 3902985 T3 PL3902985 T3 PL 3902985T3 PL 19813659 T PL19813659 T PL 19813659T PL 3902985 T3 PL3902985 T3 PL 3902985T3
Authority
PL
Poland
Prior art keywords
combustion engine
internal combustion
stroke internal
stroke
engine
Prior art date
Application number
PL19813659.0T
Other languages
English (en)
Inventor
Andrea BERTANI
Original Assignee
Emak S.P.A.
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 Emak S.P.A. filed Critical Emak S.P.A.
Publication of PL3902985T3 publication Critical patent/PL3902985T3/pl

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14Engines 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
    • F02B25/16Engines 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 the charge flowing upward essentially along cylinder wall opposite the inlet ports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L7/00Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/12Rotary or oscillatory slide valve-gear or valve arrangements specially for two-stroke engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14Engines 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • F02B25/24Inlet or outlet openings being timed asymmetrically relative to bottom dead-centre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/04Engines 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Valve Device For Special Equipments (AREA)
PL19813659.0T 2018-12-27 2019-12-03 Dwusuwowy silnik spalinowy wewnętrznego spalania PL3902985T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000021094A IT201800021094A1 (it) 2018-12-27 2018-12-27 Motore a combustione interna a due tempi
PCT/IB2019/060388 WO2020136478A1 (en) 2018-12-27 2019-12-03 Two-stroke internal combustion engine

Publications (1)

Publication Number Publication Date
PL3902985T3 true PL3902985T3 (pl) 2023-03-06

Family

ID=65861656

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19813659.0T PL3902985T3 (pl) 2018-12-27 2019-12-03 Dwusuwowy silnik spalinowy wewnętrznego spalania

Country Status (7)

Country Link
US (1) US11492956B2 (pl)
EP (2) EP4026989A1 (pl)
CN (1) CN113260773B (pl)
ES (1) ES2934150T3 (pl)
IT (1) IT201800021094A1 (pl)
PL (1) PL3902985T3 (pl)
WO (1) WO2020136478A1 (pl)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US666264A (en) * 1898-03-14 1901-01-22 Backus Water Motor Company Valve for explosion-engines.
FR2671137A1 (fr) 1990-12-28 1992-07-03 Inst Francais Du Petrole Moteur a deux temps a balayage retarde du cylindre.
SE521647C2 (sv) * 1998-11-04 2003-11-18 Electrolux Ab Vevhusspolad förbränningsmotor
DE10030969B4 (de) * 2000-06-24 2014-07-03 Andreas Stihl Ag & Co Zweitaktmotor mit Spülvorlage
US6901892B2 (en) * 2002-08-03 2005-06-07 Nagesh S. Mavinahally Two stroke engine with rotatably modulated gas passage
AU2005248964A1 (en) * 2005-02-23 2006-09-07 Techtronic Industries Co., Ltd Two-stroke engine with fuel injection
CN101463753A (zh) * 2008-11-28 2009-06-24 山东华盛农业药械股份有限公司 低排放二冲程汽油机
GB201709950D0 (en) * 2017-06-21 2017-08-02 Pattakos Manousos Asymmetric exhaust and transfer in two-strokes

Also Published As

Publication number Publication date
CN113260773B (zh) 2023-03-31
US20220065159A1 (en) 2022-03-03
US11492956B2 (en) 2022-11-08
EP4026989A1 (en) 2022-07-13
EP3902985B1 (en) 2022-11-09
WO2020136478A1 (en) 2020-07-02
EP3902985A1 (en) 2021-11-03
IT201800021094A1 (it) 2020-06-27
ES2934150T3 (es) 2023-02-17
CN113260773A (zh) 2021-08-13

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