SAFETY VALVE AND HIGH-PRESSURE PUMP COMPRISING SAID SAFETY VALVE

Abstract

A fuel safety valve arranged in a fuel supply line between a low-pressure pump and a high-pressure pump, is provided with a valve body which defines a cylindrical cavity having a longitudinal axis and being connected to a duct and a portion of a discharge duct in communication with the cylindrical cavity, a piston sliding with respect to the valve body in the cylindrical cavity along the longitudinal axis, and a spring housed in a variable-volume chamber defined by a portion of the cylindrical cavity between the piston and a closure element. The piston is provided with a through hole supplied with the fuel leading into the variable-volume chamber, and the valve body being provided with a fuel discharge hole connecting the variable-volume chamber to the discharge duct


Classe Tecnologica

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

Patent Office

United States Patent and Trademark Office


Numero Deposito

US2010242915

Anno Deposito

2007

Anno Concessione

2010


Inventori Pugliesi

  • Masellis Mariacarmela
  • Loiacono Benedetto
  • Medoro Nello

Tutti gli inventori

  • Mariacarmela Masellis
  • Benedetto Loiacono
  • Thomas Riedel
  • Werner Striegel
  • Nello Medoro

Titolari pugliesi

  • Non ci sono titolari pugliesi

Tutti i titolari

  • Robert Bosch Gmbh