EP1556594A4 - Überströmschlitze von zweitaktmotor - Google Patents

Überströmschlitze von zweitaktmotor

Info

Publication number
EP1556594A4
EP1556594A4 EP03774559A EP03774559A EP1556594A4 EP 1556594 A4 EP1556594 A4 EP 1556594A4 EP 03774559 A EP03774559 A EP 03774559A EP 03774559 A EP03774559 A EP 03774559A EP 1556594 A4 EP1556594 A4 EP 1556594A4
Authority
EP
European Patent Office
Prior art keywords
stroke engine
transfer ports
engine transfer
ports
stroke
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.)
Granted
Application number
EP03774559A
Other languages
English (en)
French (fr)
Other versions
EP1556594B1 (de
EP1556594A2 (de
Inventor
John D Sheldon
Nagesh S Mavinahally
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.)
Techtronic Industries Co Ltd
Original Assignee
Techtronic Industries 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
Priority claimed from US10/264,939 external-priority patent/US20040065280A1/en
Application filed by Techtronic Industries Co Ltd filed Critical Techtronic Industries Co Ltd
Priority to EP11008316.9A priority Critical patent/EP2428661A3/de
Publication of EP1556594A2 publication Critical patent/EP1556594A2/de
Publication of EP1556594A4 publication Critical patent/EP1556594A4/de
Application granted granted Critical
Publication of EP1556594B1 publication Critical patent/EP1556594B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20—Means 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
    • 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
    • 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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools

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)
EP03774559A 2002-10-04 2003-10-06 Überströmschlitze von zweitaktmotor Expired - Lifetime EP1556594B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11008316.9A EP2428661A3 (de) 2002-10-04 2003-10-06 Überströmschlitze von Zweitaktmotor

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/264,939 US20040065280A1 (en) 2002-10-04 2002-10-04 Two-stroke engine transfer ports
US264939 2002-10-04
US452079 2003-05-30
US10/452,079 US20040065281A1 (en) 2002-10-04 2003-05-30 Two-stroke engine transfer ports
PCT/US2003/031470 WO2004033869A2 (en) 2002-10-04 2003-10-06 Two-stroke engine transfer ports

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP11008316.9 Division-Into 2011-10-14

Publications (3)

Publication Number Publication Date
EP1556594A2 EP1556594A2 (de) 2005-07-27
EP1556594A4 true EP1556594A4 (de) 2010-04-28
EP1556594B1 EP1556594B1 (de) 2011-12-21

Family

ID=32095657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03774559A Expired - Lifetime EP1556594B1 (de) 2002-10-04 2003-10-06 Überströmschlitze von zweitaktmotor

Country Status (4)

Country Link
EP (1) EP1556594B1 (de)
JP (1) JP2006502348A (de)
AU (1) AU2003282673A1 (de)
WO (1) WO2004033869A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4912849B2 (ja) * 2006-12-01 2012-04-11 ハスクバーナ・ゼノア株式会社 層状掃気２サイクルエンジン
JP5553552B2 (ja) * 2009-07-24 2014-07-16 株式会社やまびこ ２サイクルエンジン
WO2023219601A1 (en) * 2022-05-09 2023-11-16 Deltahawk Engines, Inc. Port assembly for 2-stroke diesel engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4447215A1 (de) * 1994-02-23 1995-08-24 Daihatsu Motor Co Ltd Zweitakt-Brennkraftmaschine
WO1996031691A1 (en) * 1995-04-07 1996-10-10 Aktiebolaget Electrolux Cylinder
DE19707767A1 (de) * 1996-03-01 1997-11-06 Kioritz Corp Zweitakt-Brennkraftmaschine
US5870981A (en) * 1995-04-04 1999-02-16 Andreas Stihl Two-stroke engine having several transfer channels
US6223705B1 (en) * 1998-07-17 2001-05-01 Kioritz Corporation Two-stroke internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4447215A1 (de) * 1994-02-23 1995-08-24 Daihatsu Motor Co Ltd Zweitakt-Brennkraftmaschine
US5870981A (en) * 1995-04-04 1999-02-16 Andreas Stihl Two-stroke engine having several transfer channels
WO1996031691A1 (en) * 1995-04-07 1996-10-10 Aktiebolaget Electrolux Cylinder
DE19707767A1 (de) * 1996-03-01 1997-11-06 Kioritz Corp Zweitakt-Brennkraftmaschine
US6223705B1 (en) * 1998-07-17 2001-05-01 Kioritz Corporation Two-stroke internal combustion engine

Also Published As

Publication number Publication date
JP2006502348A (ja) 2006-01-19
EP1556594B1 (de) 2011-12-21
WO2004033869A3 (en) 2004-09-23
WO2004033869A2 (en) 2004-04-22
AU2003282673A1 (en) 2004-05-04
EP1556594A2 (de) 2005-07-27

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