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lean mixture [1 record]

Record 1 2017-02-22


Subject field(s)
  • Combustion and Fuels (Fireplaces)
  • Burners and Steamfitting
  • Fueling Systems (Motor Vehicles)

An air-fuel mixture in which an excess of air is supplied in proportion to the amount of fuel.


After the engine is running and has warmed up, the fuel system "leans out" the mixture (makes it less rich) to about 15 pounds (6.80 kg) of air to 1 pound (0.45 kg) of gasoline.


lean mixture: term officially approved by the Lexicon Project Committee (New Brunswick).


  • Combustion et combustibles (Foyers)
  • Fumisterie et brûleurs
  • Alimentation (Véhicules automobiles)

Un dosage correct s'enflamme à 380 degrés Celsius alors qu'un excès d'air (mélanges pauvres) élève ce chiffre vers 500 degrés Celsius et qu'au-dessus d'une certaine richesse, comme pour un mélange trop pauvre, l'inflammation est impossible.


mélange pauvre : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).


Campo(s) temático(s)
  • Combustión y combustibles (Hogares o chimeneas)
  • Artículos de fumistería y quemadores
  • Alimentación de combustible (Vehículos automotores)
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