Title:
安全弁及び安全弁を有する高圧ポンプ
Document Type and Number:
Japanese Patent JP5049390
Kind Code:
B2
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.
More Like This:
| WO/2022/269977 | ELECTROMAGNETIC SUCTION VALVE MECHANISM AND FUEL PUMP |
| WO/2005/119039 | METHOD AND DEVICE FOR CONTROLLING A VALVE |
Inventors:
Maria Carmela Maceris
Benedetto Roiacono
Thomas Riedel
Werner Striegel
Nero Medro
Benedetto Roiacono
Thomas Riedel
Werner Striegel
Nero Medro
Application Number:
JP2010534446A
Publication Date:
October 17, 2012
Filing Date:
November 13, 2008
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F02M59/46; F02M59/44; F02M63/00; F02M69/00
Domestic Patent References:
| JP2002513115A | ||||
| JP2007127002A |
Foreign References:
| WO2005075813A1 |
Attorney, Agent or Firm:
Toshio Yano
Takahashi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Takahashi
Hiroyasu Ninomiya
Einzel Felix-Reinhard