Patent · US Expired

Fuel injection valve

US6098598A · kind A · utility

6Cited by

6References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Jochen Riefenstahl · Litzendorf, DE
Henning Teiwes · Ditzingen, DE
Gottfried Flik · Leonberg, DE
Ottmar Martin · Lambach, DE

Key dates

Filing date	Mar 10, 1999
Grant date	Aug 8, 2000
Priority date	—
Expiry date	Mar 10, 2019

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2200/8092
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injection valve in particular an injection valve for fuel injection systems of internal combustion engines has a valve closing body connected to a valve needle and a valve seat body. A valve closing surface that cooperates with a valve seat surface configured on valve seat body to form valve seat on valve closing body. Furthermore, the fuel injection valve has at least one fuel channel provided in the area of the valve seat body upstream from the valve seat for supplying fuel to the fuel seat. A throttle point, whose opening cross section can be varied from outside the fuel injection valve, is arranged in each fuel channel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.