GB308150A - Improvements in or relating to two-stroke cycle internal combustion engines - Google Patents

Improvements in or relating to two-stroke cycle internal combustion engines

Info

Publication number
GB308150A
GB308150A GB2545328A GB2545328A GB308150A GB 308150 A GB308150 A GB 308150A GB 2545328 A GB2545328 A GB 2545328A GB 2545328 A GB2545328 A GB 2545328A GB 308150 A GB308150 A GB 308150A
Authority
GB
United Kingdom
Prior art keywords
passages
cylinder
ports
charge
exhaust ports
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
GB2545328A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2545328A priority Critical patent/GB308150A/en
Publication of GB308150A publication Critical patent/GB308150A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L5/00—Slide valve-gear or valve-arrangements
    • F01L5/04—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L5/06—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

308,150. Robertson, J. W. Sept. 5, 1928. Two-stroke-cycle engines; cylinders, passages and ports of. - In a two-stroke engine with cylinder of two diameters, a measured volume of compressed charge trapped in. the transfer passages on the previous cycle is admitted for scavenging before the main charge. A two-diameter sleeve valve 4, having the same frequency as, but out of phase with, the main piston, is formed with ports 9, 10 controlling transfer passages 3 in the cylinder and transfer channels 7 in the piston, with exhaust ports 11 controlling cylinder exhaust ports 12, and with ports 14 controlling inlet at 13 to the pump space formed between the enlarged parts of the piston and sleeve. After the mixture charge compressed in the pump has been transferred through the passages 3 with the exhaust closed, both ends of the passages 3 are closed by the valve so as trap the charge therein, this volume of mixture being admitted on the following cycle before the main charge and while the exhaust ports are still open. Air compressed in the annular space 18 between the sleeve and cylinder may be used for scavenging, or this space may be merely vented at 19 to the crank case. The upper ends of the transfer passages 3 are inclined t.n. correspond with the inclination of the combustion head, and the cylinder exhaust ports 12 are arranged intermediate the ends of the transfer passages.
GB2545328A 1928-09-05 1928-09-05 Improvements in or relating to two-stroke cycle internal combustion engines Expired GB308150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2545328A GB308150A (en) 1928-09-05 1928-09-05 Improvements in or relating to two-stroke cycle internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2545328A GB308150A (en) 1928-09-05 1928-09-05 Improvements in or relating to two-stroke cycle internal combustion engines

Publications (1)

Publication Number Publication Date
GB308150A true GB308150A (en) 1929-03-21

Family

ID=31898242

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2545328A Expired GB308150A (en) 1928-09-05 1928-09-05 Improvements in or relating to two-stroke cycle internal combustion engines

Country Status (1)

Country Link
GB (1) GB308150A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010014890A1 (en) * 2008-07-31 2010-02-04 Herndon Development Llc Electricity generator using two-stroke engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010014890A1 (en) * 2008-07-31 2010-02-04 Herndon Development Llc Electricity generator using two-stroke engine

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