Fuel injector and check valve

Details Fuel injector and check valve Fuel injector and check valve

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 45/00 (2006.01) F02M 57/02 (2006.01) F02M 59/46 (2006.01) F02B 3/06 (2006.01)

Patent

CA 2114171

An improved high pressure fuel injector and check valve disks therefore having annularly spaced passages including holes. A preferred embodiment for EMD diesel and dual fuel engines is a unit injector with a flat circular valve disk having a plurality of equally spaced holes located in a ring closely inward of the ledge of an associated valve cage and closely outward of the orifice or delivery opening of an associated valve seat. Alternative disk and injector embodiments are contemplated.

Injecteur de carburant haute pression amélioré et disques de clapet de retenue de ce dernier comportant des passages espacés de manière annulaire comprenant des trous. Une application privilégiée pour les moteurs bicarburants et les moteurs diesels de l'EMD consiste en un injecteur-pompe équipé d'un disque de clapet circulaire plat comportant une série de trous également espacés situés dans un anneau, vers l'intérieur, près de l'épaulement de la cage de clapet correspondante et, vers l'extérieur, près de l'orifice ou de l'ouverture d'alimentation du siège de clapet correspondant. D'autres utilisations du disque et du clapet sont aussi examinées.

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