FR2656653B1 - Moteur a deux temps a injection pneumatique commandee par une soupape assistee. - Google Patents

Moteur a deux temps a injection pneumatique commandee par une soupape assistee.

Info

Publication number
FR2656653B1
FR2656653B1 FR8917484A FR8917484A FR2656653B1 FR 2656653 B1 FR2656653 B1 FR 2656653B1 FR 8917484 A FR8917484 A FR 8917484A FR 8917484 A FR8917484 A FR 8917484A FR 2656653 B1 FR2656653 B1 FR 2656653B1
Authority
FR
France
Prior art keywords
stroke engine
pneumatic injection
assisted valve
injection controlled
assisted
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 - Fee Related
Application number
FR8917484A
Other languages
English (en)
Other versions
FR2656653A1 (fr
Inventor
Maissant Jean-Pierre
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR8917484A priority Critical patent/FR2656653B1/fr
Priority to DE90403563T priority patent/DE69006341T2/de
Priority to EP90403563A priority patent/EP0435730B1/fr
Priority to JP2416624A priority patent/JP2925336B2/ja
Priority to US07/635,995 priority patent/US5105775A/en
Publication of FR2656653A1 publication Critical patent/FR2656653A1/fr
Application granted granted Critical
Publication of FR2656653B1 publication Critical patent/FR2656653B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/08—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by the fuel being carried by compressed air into main stream of combustion-air
    • 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
    • F02B25/26—Multi-cylinder engines other than those provided for in, or of interest apart from, groups F02B25/02 - F02B25/24
    • 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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/10—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel peculiar to scavenged two-stroke engines, e.g. injecting into crankcase-pump chamber
    • 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1808—Number of cylinders two
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1812—Number of cylinders three
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/20—Multi-cylinder engines with cylinders all in one line

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
FR8917484A 1989-12-29 1989-12-29 Moteur a deux temps a injection pneumatique commandee par une soupape assistee. Expired - Fee Related FR2656653B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8917484A FR2656653B1 (fr) 1989-12-29 1989-12-29 Moteur a deux temps a injection pneumatique commandee par une soupape assistee.
DE90403563T DE69006341T2 (de) 1989-12-29 1990-12-12 Zweitaktmotor mit gesteuerter pneumatischer Einspritzung.
EP90403563A EP0435730B1 (fr) 1989-12-29 1990-12-12 Moteur à deux temps à injection pneumatique commandée
JP2416624A JP2925336B2 (ja) 1989-12-29 1990-12-28 空気噴射式２サイクル機関
US07/635,995 US5105775A (en) 1989-12-29 1990-12-31 Two-stroke engine with controlled pneumatic injection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8917484A FR2656653B1 (fr) 1989-12-29 1989-12-29 Moteur a deux temps a injection pneumatique commandee par une soupape assistee.

Publications (2)

Publication Number Publication Date
FR2656653A1 FR2656653A1 (fr) 1991-07-05
FR2656653B1 true FR2656653B1 (fr) 1992-05-07

Family

ID=9389170

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8917484A Expired - Fee Related FR2656653B1 (fr) 1989-12-29 1989-12-29 Moteur a deux temps a injection pneumatique commandee par une soupape assistee.

Country Status (1)

Country Link
FR (1) FR2656653B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2744764B1 (fr) * 1996-02-12 1998-04-17 Inst Francais Du Petrole Moteur deux temps ayant un moyen de controle du mouvement de la soupape

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617240B1 (fr) * 1987-06-26 1992-10-02 Inst Francais Du Petrole Dispositif et methode d'introduction sous pression de melange carbure dans le cylindre d'un moteur

Also Published As

Publication number Publication date
FR2656653A1 (fr) 1991-07-05

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Legal Events

Date Code Title Description
ST Notification of lapse