Patent · US Expired

Solenoid valve for controlling an injection valve of an internal combustion engine

US6764061B2 · kind B2 · utility

15Cited by

11References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Rainer Haeberer · Bretten, DE
Andreas Wengert · Mutlangen, DE
Ralf Maier · Neuendorf, DE
Stefan Haug · Waldenbuch, DE

Key dates

Filing date	Jun 28, 2002
Grant date	Jul 20, 2004
Priority date	—
Expiry date	Sep 19, 2022

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2547/003
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A solenoid valve is for controlling an injection valve of an internal combustion engine, including a housing part, an electromagnet having a magnetic coil and a magnetic core, an armature acted upon by a valve spring and axially movable between the electromagnet and a valve seat, and a control valve member moved by the armature and cooperating with the valve seat for opening and closing a fuel passage, in which the armature is situated in the housing part movable in the radial direction free from mechanical guiding means. A further development provides that, when a current is applied to the electromagnet,the armature may be aligned in the radial direction, by magnetic reluctance forces then acting upon the armature, into a centrical position with reference to the centerline of the electromagnet.

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