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GB128560A - Two-stroke Internal Combustion Motor. - Google Patents

Two-stroke Internal Combustion Motor.

Info

Publication number
GB128560A
GB128560A GB15027/19A GB1502719A GB128560A GB 128560 A GB128560 A GB 128560A GB 15027/19 A GB15027/19 A GB 15027/19A GB 1502719 A GB1502719 A GB 1502719A GB 128560 A GB128560 A GB 128560A
Authority
GB
United Kingdom
Prior art keywords
air
cylinders
ports
passages
mixture
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.)
Expired
Application number
GB15027/19A
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.)
Motosacoche SA
Original Assignee
Motosacoche SA
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 Motosacoche SA filed Critical Motosacoche SA
Publication of GB128560A publication Critical patent/GB128560A/en
Expired 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F02B75/243—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings
    • 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
    • F02B25/18—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 the charge flowing upward essentially along cylinder wall adjacent the inlet ports, e.g. by means of deflection rib on piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

128,560. Motosacoche Soc. Anon., and Isliker, A. June 15, 1918, [Convention date]. Regulating. - In a two-stroke-cycle engine having a pair of cylinders disposed one on each side of a central crank-shaft, and using crankcase compression, air and rich combustible mixture are compressed in separate compartments in the crank case, the air being delivered to the cylinders in advance of the combustible mixture. Combustible mixture is admitted to the portion 21 of the crank chamber, and air to the portion 24. Air-transfer passages 8<a>, 9<a> open into the cylinders through ports 10<a>, 11<a>, and mixture-transfer passages 8<b>, 9<b> discharge into the cylinders through ports 10<b>, 11<b>. The volume of mixture admitted to the crank case is such that air enters the cylinders for scavenging purposes in advance of the combustible mixture. The passages 8<a>, 8<b> or 9<a>, 9<b> may communicate with one another as shown in Fig. 3; or the communicating passages 25, 26 may be dispensed with, in which case the air ports 10<a>, 11<a> open in advance of the ports 10<b>, 11<b>. A valve 17 may close the transfer passages 9<a>, 9<b> when it is desired to cut out the cylinder 2. A modification is described in which communication between adjacent transfer passages is effected through a port in the piston. Compressed air may be supplied to the crank chamber to increase the final pressure of the charges entering the cylinders.
GB15027/19A 1918-06-15 1919-06-14 Two-stroke Internal Combustion Motor. Expired GB128560A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH128560X 1918-06-15

Publications (1)

Publication Number Publication Date
GB128560A true GB128560A (en) 1920-03-18

Family

ID=32660993

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15027/19A Expired GB128560A (en) 1918-06-15 1919-06-14 Two-stroke Internal Combustion Motor.

Country Status (1)

Country Link
GB (1) GB128560A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012105216A1 (en) * 2011-01-31 2012-08-09 Hitachi Koki Co., Ltd. 2-cycle engine and engine-powered working machine having the same
JP2012159036A (en) * 2011-01-31 2012-08-23 Hitachi Koki Co Ltd Two-cycle engine and engine working machine having the same
JP2012215122A (en) * 2011-03-31 2012-11-08 Hitachi Koki Co Ltd Two-cycle engine and engine-powered working machine having the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012105216A1 (en) * 2011-01-31 2012-08-09 Hitachi Koki Co., Ltd. 2-cycle engine and engine-powered working machine having the same
JP2012159036A (en) * 2011-01-31 2012-08-23 Hitachi Koki Co Ltd Two-cycle engine and engine working machine having the same
CN103380272A (en) * 2011-01-31 2013-10-30 日立工机株式会社 2-cycle engine and engine-powered working machine having the same
JP2012215122A (en) * 2011-03-31 2012-11-08 Hitachi Koki Co Ltd Two-cycle engine and engine-powered working machine having the same

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