ATE73901T1 - TWO-STROKE ENGINE. - Google Patents

TWO-STROKE ENGINE.

Info

Publication number
ATE73901T1
ATE73901T1 AT87118825T AT87118825T ATE73901T1 AT E73901 T1 ATE73901 T1 AT E73901T1 AT 87118825 T AT87118825 T AT 87118825T AT 87118825 T AT87118825 T AT 87118825T AT E73901 T1 ATE73901 T1 AT E73901T1
Authority
AT
Austria
Prior art keywords
stroke engine
engine
protruberances
inconveniences
overhanging
Prior art date
Application number
AT87118825T
Other languages
German (de)
Inventor
Umberto Panzeri
Original Assignee
Gilardoni Vittorio Spa
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 Gilardoni Vittorio Spa filed Critical Gilardoni Vittorio Spa
Application granted granted Critical
Publication of ATE73901T1 publication Critical patent/ATE73901T1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • 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

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)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Characterised By The Charging Evacuation (AREA)

Abstract

The invention concerns the exhaust ports of a two-stroke internal combustion engine, comprising one or more overhanging protruberances which serve to support the piston rings, allowing a larger area exhaust port without the engine seizing or other inconveniences.
AT87118825T 1986-12-23 1987-12-18 TWO-STROKE ENGINE. ATE73901T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8622833A IT8622833A0 (en) 1986-12-23 1986-12-23 EXHAUST PORT FOR TWO-STROKE COMBUSTION ENGINES
EP87118825A EP0272646B1 (en) 1986-12-23 1987-12-18 Two-stroke internal combustion engine

Publications (1)

Publication Number Publication Date
ATE73901T1 true ATE73901T1 (en) 1992-04-15

Family

ID=11200971

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87118825T ATE73901T1 (en) 1986-12-23 1987-12-18 TWO-STROKE ENGINE.

Country Status (5)

Country Link
EP (1) EP0272646B1 (en)
AT (1) ATE73901T1 (en)
DE (1) DE3777573D1 (en)
ES (1) ES2030704T3 (en)
IT (1) IT8622833A0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007035025A1 (en) 2007-07-26 2009-01-29 Docter Optics Gmbh Motor vehicle e.g. car, headlight lens producing method, involves producing light diffusing structure in transparent body of headlight lens in accordance with measured gradient of light-dark boundary produced by headlight lens
DE102007049835A1 (en) 2007-10-18 2009-04-23 Docter Optics Gmbh Method for producing headlamp lens for vehicle headlamp, particularly for motor-vehicle headlamp, involves measuring gradient of light-dark boundary projected by headlamp lens
US8556482B2 (en) 2007-07-26 2013-10-15 Docter Optics Se Method for producing a headlamp lens for a motor-vehicle headlamp
DE102007037204B4 (en) 2007-08-07 2020-11-12 Docter Optics Se Method for producing an optical lens element, in particular a headlight lens for a motor vehicle headlight and batch of headlight lenses produced one behind the other
DE102011100071B4 (en) 2011-04-29 2016-11-03 Docter Optics Se Method for producing an optical lens element, in particular a headlight lens for a motor vehicle headlight
DE102012020378A1 (en) 2012-10-18 2014-04-24 Docter Optics Se Method for producing an optical lens element, in particular a headlight lens for a motor vehicle headlight
DE102012021921B4 (en) 2012-11-09 2016-10-27 Docter Optics Se Method for producing an optical lens element, in particular a headlight lens for a motor vehicle headlight

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409246A (en) * 1933-12-06 1934-04-26 Henry Kent Norris Improvements in or relating to the cylinders of internal combustion engines
DE849034C (en) * 1950-06-23 1952-09-11 Kloeckner Humboldt Deutz Ag Cylinder for two-stroke internal combustion engines
US3398728A (en) * 1965-08-06 1968-08-27 James A. Hardman Two piston sleeve port engine
DE3430477A1 (en) * 1984-08-04 1986-02-13 Sachs Systemtechnik Gmbh, 8720 Schweinfurt High-speed two-stroke internal combustion engine with crankcase scavenging

Also Published As

Publication number Publication date
DE3777573D1 (en) 1992-04-23
EP0272646A3 (en) 1989-05-24
IT8622833A0 (en) 1986-12-23
ES2030704T3 (en) 1992-11-16
EP0272646B1 (en) 1992-03-18
EP0272646A2 (en) 1988-06-29

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee