Electromagnetic valve for the dosage of fuel in an internal combustion engine

Abstract

An electromagnetic valve (1) for the dosage of fuel in an internal combustion engine; the electromagnetic valve (1) is provided with: a cylindrical tubular valve body (5); an obturator (9), which is arranged within the tubular valve body (5) and is mobile between an open position and a closed position; and an electromagnetic actuator (13) to shift the obturator (9) and comprising a coil (14) arranged outside the tubular valve body (5), a fixed magnetic pole (16) is arranged within the tubular valve body (5), a mobile keeper (17) arranged within the tubular valve body (5), mechanically connected to the obturator (9) and is adapted to be magnetically attracted by the magnetic pole (16) when the coil (14) is excited, a tubular magnetic armature (18) arranged outside the tubular valve body (5) around the coil (14), and a magnetic washer (20) having an annular shape arranged above the coil (14) between the tubular valve body (5) and the tubular magnetic armature (18) to guide the closing of the magnetic flow around the coil (14).


Classe Tecnologica

F - Mechanical engineering, lighting, heating, weapons, blasting

Patent Office

United States Patent and Trademark Office


Numero Deposito

US7845617

Anno Deposito

2008

Anno Concessione

2010


Inventori Pugliesi

  • Petrachi Marco

Tutti gli inventori

  • Andrea Cobianchi
  • Pasquale Dragone
  • Marco Petrachi

Titolari pugliesi

  • Non ci sono titolari pugliesi

Tutti i titolari

  • Magneti Marelli S.p.a.