GB742303A - Improvements in two-stroke engines - Google Patents

Improvements in two-stroke engines

Info

Publication number
GB742303A
GB742303A GB1881651A GB1881651A GB742303A GB 742303 A GB742303 A GB 742303A GB 1881651 A GB1881651 A GB 1881651A GB 1881651 A GB1881651 A GB 1881651A GB 742303 A GB742303 A GB 742303A
Authority
GB
United Kingdom
Prior art keywords
sleeve
valve
adjustment
ports
servomotor
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
GB1881651A
Other languages
English (en)
Inventor
Henri Meulien
Jean Bertin
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Publication of GB742303A publication Critical patent/GB742303A/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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D15/00—Varying compression ratio
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/03—Controlling by changing the compression ratio
    • F02D2700/035—Controlling by changing the compression ratio without modifying the volume of the compression space, e.g. by changing the valve timing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
GB1881651A 1950-08-19 1951-08-09 Improvements in two-stroke engines Expired GB742303A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1023618T 1950-08-19
FR62707T 1951-03-14

Publications (1)

Publication Number Publication Date
GB742303A true GB742303A (en) 1955-12-21

Family

ID=33512632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1881651A Expired GB742303A (en) 1950-08-19 1951-08-09 Improvements in two-stroke engines

Country Status (2)

Country Link
FR (1) FR62707E (fr)
GB (1) GB742303A (fr)

Also Published As

Publication number Publication date
FR62707E (fr) 1955-06-20

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