Patent · US Expired

Proportional solenoid valve, preferably proportional throttle valve, especially for high pressure diesel pumps of motor vehicles

US6833779B2 · kind B2 · utility

0Cited by

3References

29Claims

0Family size

Assignee

Hydraulik-Ring GmbH · DE

Inventors

Alfred Trzmiel · Gräfenberg, DE
Rolf Neuhaus · Lohr, DE
Friedrich Zapf · Karlstadt, DE

Key dates

Filing date	Apr 16, 2003
Grant date	Dec 21, 2004
Priority date	—
Expiry date	Apr 16, 2023

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/3443
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A proportional solenoid valve for a high-pressure diesel pump of a motor vehicle has a housing and a solenoid with an armature movable in the housing. A bushing is provided, and a piston is arranged in the bushing. The armature acts on the piston for moving the piston in the bushing as a function of a current supply to the solenoid. At least one component is positioned between the bushing and the housing and is deformable in an axial direction of the piston so as to allow an exact adjustment of the position of the piston relative to the bushing.

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