FR1539623A - Lightweight, frictionless piston with reduced dead volume in the crankcase for two-stroke engines, and by extension, for four-stroke engines and all reciprocating piston machines - Google Patents

Lightweight, frictionless piston with reduced dead volume in the crankcase for two-stroke engines, and by extension, for four-stroke engines and all reciprocating piston machines

Info

Publication number
FR1539623A
FR1539623A FR70007A FR70007A FR1539623A FR 1539623 A FR1539623 A FR 1539623A FR 70007 A FR70007 A FR 70007A FR 70007 A FR70007 A FR 70007A FR 1539623 A FR1539623 A FR 1539623A
Authority
FR
France
Prior art keywords
stroke engines
crankcase
lightweight
extension
piston
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
FR70007A
Other languages
French (fr)
Inventor
Charles Antoine Etienne
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 filed Critical
Priority to FR70007A priority Critical patent/FR1539623A/en
Priority to DE19671625985 priority patent/DE1625985A1/en
Application granted granted Critical
Publication of FR1539623A publication Critical patent/FR1539623A/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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/02—Pistons  having means for accommodating or controlling heat expansion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/02—Bearing surfaces
    • 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)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
FR70007A 1966-07-20 1966-07-20 Lightweight, frictionless piston with reduced dead volume in the crankcase for two-stroke engines, and by extension, for four-stroke engines and all reciprocating piston machines Expired FR1539623A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR70007A FR1539623A (en) 1966-07-20 1966-07-20 Lightweight, frictionless piston with reduced dead volume in the crankcase for two-stroke engines, and by extension, for four-stroke engines and all reciprocating piston machines
DE19671625985 DE1625985A1 (en) 1966-07-20 1967-07-19 Piston for machine working with an alternating movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR70007A FR1539623A (en) 1966-07-20 1966-07-20 Lightweight, frictionless piston with reduced dead volume in the crankcase for two-stroke engines, and by extension, for four-stroke engines and all reciprocating piston machines

Publications (1)

Publication Number Publication Date
FR1539623A true FR1539623A (en) 1968-09-20

Family

ID=8613609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR70007A Expired FR1539623A (en) 1966-07-20 1966-07-20 Lightweight, frictionless piston with reduced dead volume in the crankcase for two-stroke engines, and by extension, for four-stroke engines and all reciprocating piston machines

Country Status (2)

Country Link
DE (1) DE1625985A1 (en)
FR (1) FR1539623A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347540A1 (en) * 1976-04-08 1977-11-04 Schmidt Gmbh Karl LIGHT METAL PISTON, ESPECIALLY FOR INTERNAL COMBUSTION ENGINES
EP0050256A1 (en) * 1980-10-18 1982-04-28 Mahle Gmbh Light-weight piston for internal-combustion engines

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8403522D0 (en) * 1984-02-10 1984-03-14 Ae Plc Pistons
DE102012021841A1 (en) * 2012-10-26 2014-04-30 Hydac Technology Gmbh Separating device for fluid media

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347540A1 (en) * 1976-04-08 1977-11-04 Schmidt Gmbh Karl LIGHT METAL PISTON, ESPECIALLY FOR INTERNAL COMBUSTION ENGINES
EP0050256A1 (en) * 1980-10-18 1982-04-28 Mahle Gmbh Light-weight piston for internal-combustion engines

Also Published As

Publication number Publication date
DE1625985A1 (en) 1970-08-13

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