Patent · US Expired

Fuel injection valve

US6857584B2 · kind B2 · utility

4Cited by

9References

16Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Thomas Sebastian · Stuttgart, DE
Matthias Boee · Ludwigsburg, DE

Key dates

Filing date	Aug 3, 2001
Grant date	Feb 22, 2005
Priority date	—
Expiry date	Jan 9, 2022

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M51/0657
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injector, particularly a fuel injector for fuel injection systems of internal combustion engines, has a magnetic coil, an armature acted upon in a closing direction by a resetting spring and a valve needle connected to the armature by force-locking for operating a valve-closure member, which forms a sealing seat together with a valve-seat surface. The armature has a pot-shaped axial extension, in which at least one cutout is formed.

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