GB861605A - Improvements in or relating to crankcase compression two-stroke engines - Google Patents

Improvements in or relating to crankcase compression two-stroke engines

Info

Publication number
GB861605A
GB861605A GB3466457A GB3466457A GB861605A GB 861605 A GB861605 A GB 861605A GB 3466457 A GB3466457 A GB 3466457A GB 3466457 A GB3466457 A GB 3466457A GB 861605 A GB861605 A GB 861605A
Authority
GB
United Kingdom
Prior art keywords
crank
valve
case
transfer
transfer passage
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
GB3466457A
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.)
HERMANN RUDOLF ERNST MEIER
Original Assignee
HERMANN RUDOLF ERNST MEIER
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 HERMANN RUDOLF ERNST MEIER filed Critical HERMANN RUDOLF ERNST MEIER
Priority to GB3466457A priority Critical patent/GB861605A/en
Publication of GB861605A publication Critical patent/GB861605A/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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • 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
    • F02B2720/00—Engines with liquid fuel
    • F02B2720/13—Two stroke engines with ignition device
    • F02B2720/136—Scavenging or charging channels or openings

Landscapes

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

Abstract

861,605. Two-stroke engines. MEIER, H. R. E., and HOOPER, B. Nov. 4, 1958 [Nov. 7, 1957], No. 34664/57. Class 7(2). A control valve C at the crank-case end of the transfer passage B of a two-stroke crank-case compression engine is timed to open immediately after a pressure wave, created by the admission of burnt gases into the passage B upon opening of the transfer port D, has been reflected by the closed valve C, whereby the low-pressure zone behind the pressure wave assists the flow from the crank-case through the transfer passage. The valve C, which may be an automatic non-return valve, a mechanically operated poppet, slide, or rotary valve, or alternatively a port or ports in the piston skirt co-operating with ports in the cylinder wall communicating with the transfer passage, is arranged to close about the time that the flow of gases from the crank-case into the transfer passage ceases. Two or more transfer passages may be provided.
GB3466457A 1957-11-07 1957-11-07 Improvements in or relating to crankcase compression two-stroke engines Expired GB861605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3466457A GB861605A (en) 1957-11-07 1957-11-07 Improvements in or relating to crankcase compression two-stroke engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3466457A GB861605A (en) 1957-11-07 1957-11-07 Improvements in or relating to crankcase compression two-stroke engines

Publications (1)

Publication Number Publication Date
GB861605A true GB861605A (en) 1961-02-22

Family

ID=10368442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3466457A Expired GB861605A (en) 1957-11-07 1957-11-07 Improvements in or relating to crankcase compression two-stroke engines

Country Status (1)

Country Link
GB (1) GB861605A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520803A1 (en) * 1982-02-03 1983-08-05 Pailler Yves ENGINE WITH TRANSFERS HIGHER TO EXHAUST WITH SECONDARY CHANNELS AND DECOMPRESSION ROOMS ANNEXES
US10858985B2 (en) 2018-04-24 2020-12-08 Andreas Stihl Ag & Co. Kg Internal combustion engine and method for its operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520803A1 (en) * 1982-02-03 1983-08-05 Pailler Yves ENGINE WITH TRANSFERS HIGHER TO EXHAUST WITH SECONDARY CHANNELS AND DECOMPRESSION ROOMS ANNEXES
US10858985B2 (en) 2018-04-24 2020-12-08 Andreas Stihl Ag & Co. Kg Internal combustion engine and method for its operation

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