SYSTEME D'ALIMENTATION EN CARBURANT POUR UN MOTEUR A COMBUSTION INTERNE

• Main Author: DAVID F. HAMAN ET DALE M. NEEDHAM
• Format: Patent
• Language: French
• Published: 10.02.1984
• Subjects: BLASTING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

L'INVENTION CONCERNE UN SYSTEME D'ALIMENTATION EN CARBURANT POUR UN MOTEUR A COMBUSTION INTERNE.DANS UN MOTEUR A COMBUSTION INTERNE 11 COMPORTANT UN CARTER-MOTEUR 13, UN CYLINDRE 15 S'ETENDANT A PARTIR DE CE DERNIER, UN PASSAGE DE TRANSFERT 23 RELIANT LE CARTER A UN ORIFICE 17 DU CYLINDRE ET UNE SOURCE DE CARBURANT 37, IL EST PREVU UN INJECTEUR 51 DE FONCTIONNEMENT A FAIBLE VITESSE RELIANT LE PASSAGE ET L'ORIFICE, UNE CANALISATION DE CARBURANT 53 RELIANT LA SOURCE DU CARBURANT ET CET INJECTEUR ET CONTENANT UNE SOUPAPE D'ARRET 55 EMPECHANT UN ECOULEMENT DU PASSAGE DE TRANSFERT 23 VERS LA SOURCE DE CARBURANT 37 ET PERMETTANT UN ECOULEMENT DE CELLE-CI VERS CE PASSAGE, LADITE CANALISATION 53 COMPORTANT EGALEMENT DES MOYENS 57 DE REGLAGE DU DEBIT DE CARBURANT.APPLICATION NOTAMMENT AUX MOTEURS A COMBUSTION INTERNE A PLUSIEURS CYLINDRES POUR VEHICULES AUTOMOBILES. Disclosed herein is an internal combustion engine comprising a crankcase, a cylinder extending from the crankcase and having an inlet port, a piston located in the cylinder, a transfer passage located between the crankcase and the cylinder inlet port, a fuel pump adapted to communicate with a source of fuel for normal operation, a carburetor having an air induction passage communicating with the crankcase and including a venturi, which carburetor also includes a float bowl communicating with the fuel pump and a high speed nozzle communicating between the float bowl and the venturi, a low speed fuel nozzle communicating with the transfer passage adjacent the inlet port, and a fuel line communicating between the float bowl and the low speed nozzle and including therein check valve means preventing flow from the transfer passage to the float bowl and permitting flow from the float bowl to the transfer passage, which fuel line also includes fuel flow metering means.