TERMIUM Plus®

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AIR-ASSISTED INJECTION [1 record]

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Record 1 2011-10-25

English

Subject field(s)
  • Engines (Motor Vehicles)
CONT

Orbital Combustion Process (OCP) technology from Orbital Engine Corp. uses compressed air to finely atomize the fuel as it is injected directly into the combustion chamber ... The system has the ability to run a lean stratified charge under real-world driving conditions to improve in-vehicle fuel economy.

Key term(s)
  • air-assisted injection
  • compressed air-assisted injection

French

Domaine(s)
  • Moteur (Véhicules automobiles)
CONT

Ayant mis au point une solution technique originale pour l'injection assistée par air comprimé (L'IAPAC), l'IFP a suivi une stratégie différente de celle d'Orbital [...] Dans le système IAPAC, l'air comprimé à 0,5 bar est prélevé directement dans le «carter-pompe» pendant la phase de pré-compression. Cet air comprimé alimente un injecteur pneumatique, composé d'une soupape d'environ vingt millimètres de diamètre commandée par un arbre à came, et sert à pulvériser en un temps très court le carburant en gouttelettes extrêmement fines aussitôt vaporisées. L'ouverture de la soupape se produit peu avant la fermeture de l'échappement, minimisant ainsi les pertes de carburant dans l'atmosphère.

Spanish

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