FR2290571B3 - - Google Patents

Info

Publication number
FR2290571B3
FR2290571B3 FR7437134A FR7437134A FR2290571B3 FR 2290571 B3 FR2290571 B3 FR 2290571B3 FR 7437134 A FR7437134 A FR 7437134A FR 7437134 A FR7437134 A FR 7437134A FR 2290571 B3 FR2290571 B3 FR 2290571B3
Authority
FR
France
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
FR7437134A
Other languages
French (fr)
Other versions
FR2290571A1 (en
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 FR7437134A priority Critical patent/FR2290571A1/en
Publication of FR2290571A1 publication Critical patent/FR2290571A1/en
Application granted granted Critical
Publication of FR2290571B3 publication Critical patent/FR2290571B3/fr
Granted 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
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
    • F02B33/10—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder
    • F02B33/14—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder working and pumping pistons forming stepped 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
FR7437134A 1974-11-08 1974-11-08 Two stroke engine with stepped piston - ensures complete scavenging exhaust gases before admitting fresh charge Granted FR2290571A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7437134A FR2290571A1 (en) 1974-11-08 1974-11-08 Two stroke engine with stepped piston - ensures complete scavenging exhaust gases before admitting fresh charge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7437134A FR2290571A1 (en) 1974-11-08 1974-11-08 Two stroke engine with stepped piston - ensures complete scavenging exhaust gases before admitting fresh charge

Publications (2)

Publication Number Publication Date
FR2290571A1 FR2290571A1 (en) 1976-06-04
FR2290571B3 true FR2290571B3 (en) 1977-08-12

Family

ID=9144808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437134A Granted FR2290571A1 (en) 1974-11-08 1974-11-08 Two stroke engine with stepped piston - ensures complete scavenging exhaust gases before admitting fresh charge

Country Status (1)

Country Link
FR (1) FR2290571A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428145A1 (en) * 1978-06-05 1980-01-04 Dana Corp IC engine with stepped piston supercharger - which is ported and has check valves to obtain one-way flow
PL235520B1 (en) * 2016-11-18 2020-08-24 Jacek Majewski Piston of the ecologically clean two-stroke combustion engine

Also Published As

Publication number Publication date
FR2290571A1 (en) 1976-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse