EP0227979B1 - An acceleration phase fuel enrichment device for a vehicle engine - Google Patents

An acceleration phase fuel enrichment device for a vehicle engine Download PDF

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Publication number
EP0227979B1
EP0227979B1 EP86116978A EP86116978A EP0227979B1 EP 0227979 B1 EP0227979 B1 EP 0227979B1 EP 86116978 A EP86116978 A EP 86116978A EP 86116978 A EP86116978 A EP 86116978A EP 0227979 B1 EP0227979 B1 EP 0227979B1
Authority
EP
European Patent Office
Prior art keywords
actuator
chambers
jet
engine
chamber
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 - Lifetime
Application number
EP86116978A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0227979A2 (en
EP0227979A3 (en
Inventor
Aldo Marchetti
Roberto Schiavuzzi
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto SpA
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 Fiat Auto SpA filed Critical Fiat Auto SpA
Publication of EP0227979A2 publication Critical patent/EP0227979A2/en
Publication of EP0227979A3 publication Critical patent/EP0227979A3/en
Application granted granted Critical
Publication of EP0227979B1 publication Critical patent/EP0227979B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/06—Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system
    • F02M7/08—Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system using pumps
    • F02M7/093—Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system using pumps changing output according to intake vacuum

Definitions

  • the present invention relates to a device for enrichment of the fuel-air mixture strength formed by a carburettor of a heat engine of a vehicle, able to intervene during the acceleration phase whereby to guarantee the maximum development of power by the engine.
  • an electrical switch 35 forming part of an electrical supply circuit 36 for the electromagnet 12; the displacement of the element 28 causes opening or closure of the switch 35 and consequently activation or disactivation of the electromagnet 12; according to the invention the connections between the actuator 15, switch 35 and electromagnet 12 are effected in such a way that the jet 10 is activated following an alteration in the rest condition of the electromagnetic means defined by the electromagnet 12 and the associated circuit 36 taking place as a consequence of a movement of the element 28 in such a sense as to compress the spring 33.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
EP86116978A 1985-12-23 1986-12-06 An acceleration phase fuel enrichment device for a vehicle engine Expired - Lifetime EP0227979B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT68100/85A IT1199924B (it) 1985-12-23 1985-12-23 Dispositivo di arricchimento in fase di accelerazione per il motore di un veicolo
IT6810085 1985-12-23

Publications (3)

Publication Number Publication Date
EP0227979A2 EP0227979A2 (en) 1987-07-08
EP0227979A3 EP0227979A3 (en) 1988-08-03
EP0227979B1 true EP0227979B1 (en) 1992-09-16

Family

ID=11307853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86116978A Expired - Lifetime EP0227979B1 (en) 1985-12-23 1986-12-06 An acceleration phase fuel enrichment device for a vehicle engine

Country Status (5)

Country Link
EP (1) EP0227979B1 (it)
BR (1) BR8606494A (it)
DE (1) DE3686760T2 (it)
ES (1) ES2034956T3 (it)
IT (1) IT1199924B (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885004A (en) * 1971-06-28 1975-05-20 Ethyl Corp High velocity carburetor
JPS5276532A (en) * 1975-12-20 1977-06-28 Toyota Motor Corp Fuel supply unit for internal combustion engine
JPS5546014A (en) * 1978-09-25 1980-03-31 Toyota Motor Corp Carburettor

Also Published As

Publication number Publication date
BR8606494A (pt) 1987-10-20
EP0227979A2 (en) 1987-07-08
ES2034956T3 (es) 1993-04-16
IT8568100A0 (it) 1985-12-23
EP0227979A3 (en) 1988-08-03
DE3686760T2 (de) 1993-04-15
DE3686760D1 (de) 1992-10-22
IT1199924B (it) 1989-01-05

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