Patent · US Active

Electromagnetic actuating unit of a hydraulic directional valve

US8581683B2 · kind B2 · utility

5Cited by

5References

12Claims

0Family size

Assignee

Shaeffler Technologies AG & Co. KG · DE

Inventors

Jens Hoppe · Erlangen, DE
Markus Kinscher · Höchstadt an der Aisch, DE

Key dates

Filing date	Jul 3, 2009
Grant date	Nov 12, 2013
Priority date	—
Expiry date	May 20, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH01F2007/163
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electromagnetic actuating unit of a hydraulic directional valve, which has an armature and a first and a second magnet yoke. The first and the second magnet yokes at least partially bind an armature space, the armature is arranged in the armature space so as to be axially displaceable, and the first and the second magnet yokes face each other in the axial direction of the armature.

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