FR2425544A1 - Two stroke IC engine - has cam operated inlet valve and piston controlled exhaust ports in cylinder - Google Patents

Two stroke IC engine - has cam operated inlet valve and piston controlled exhaust ports in cylinder

Info

Publication number
FR2425544A1
FR2425544A1 FR7813637A FR7813637A FR2425544A1 FR 2425544 A1 FR2425544 A1 FR 2425544A1 FR 7813637 A FR7813637 A FR 7813637A FR 7813637 A FR7813637 A FR 7813637A FR 2425544 A1 FR2425544 A1 FR 2425544A1
Authority
FR
France
Prior art keywords
engine
cylinder
stroke
inlet valve
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.)
Withdrawn
Application number
FR7813637A
Other languages
French (fr)
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 FR7813637A priority Critical patent/FR2425544A1/en
Publication of FR2425544A1 publication Critical patent/FR2425544A1/en
Withdrawn legal-status Critical Current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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • 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
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/04—Engines with prolonged expansion in main 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
    • 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)
  • Valve Device For Special Equipments (AREA)

Abstract

The engine has a piston reciprocating in a cylinder. There is a poppet type inlet valve in the head of the cylinder worked by a cam on a camshaft driven by the engine. At the lower part of the cylinder there are exhaust ports uncovered by the piston as it reaches the bottom of its stroke. The inlet valve is timed to open before the exhaust ports are uncovered on the downstroke and to close after they are covered on the up stroke. This gives good scavenging. The engine is supercharged by an air pump driven by the engine.
FR7813637A 1978-05-09 1978-05-09 Two stroke IC engine - has cam operated inlet valve and piston controlled exhaust ports in cylinder Withdrawn FR2425544A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7813637A FR2425544A1 (en) 1978-05-09 1978-05-09 Two stroke IC engine - has cam operated inlet valve and piston controlled exhaust ports in cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7813637A FR2425544A1 (en) 1978-05-09 1978-05-09 Two stroke IC engine - has cam operated inlet valve and piston controlled exhaust ports in cylinder

Publications (1)

Publication Number Publication Date
FR2425544A1 true FR2425544A1 (en) 1979-12-07

Family

ID=9208019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7813637A Withdrawn FR2425544A1 (en) 1978-05-09 1978-05-09 Two stroke IC engine - has cam operated inlet valve and piston controlled exhaust ports in cylinder

Country Status (1)

Country Link
FR (1) FR2425544A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025503A1 (en) * 1979-08-30 1981-03-25 Scherf, Eva Reciprocating piston engine
FR2486146A1 (en) * 1980-07-02 1982-01-08 Farkas Pierre INSTALLATION FOR THE SUPPLY OF A HEAT ENGINE, AS WELL AS THE HEAT ENGINES PROVIDED WITH THIS INSTALLATION
US4399778A (en) * 1982-01-18 1983-08-23 Antonio Ancheta Two cycle internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025503A1 (en) * 1979-08-30 1981-03-25 Scherf, Eva Reciprocating piston engine
FR2486146A1 (en) * 1980-07-02 1982-01-08 Farkas Pierre INSTALLATION FOR THE SUPPLY OF A HEAT ENGINE, AS WELL AS THE HEAT ENGINES PROVIDED WITH THIS INSTALLATION
US4399778A (en) * 1982-01-18 1983-08-23 Antonio Ancheta Two cycle internal combustion engine

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Legal Events

Date Code Title Description
ST Notification of lapse