Patent · US Active

Activation element of an electromagnetic actuating unit of a hydraulic valve

US8844900B2 · kind B2 · utility

1Cited by

16References

5Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Jens Hoppe · Erlangen, DE
Stefan Konias · Erlangen, DE
Yi Wang · Southbury, US

Key dates

Filing date	Feb 22, 2011
Grant date	Sep 30, 2014
Priority date	—
Expiry date	Jul 21, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/4902
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An activation element of an electromagnetic actuating unit of a hydraulic valve which has an armature that is essentially cylindrical and which is arranged in a slidable fashion in the actuating unit. Also, a method for manufacturing an activation element of an electromagnetic actuating unit of a hydraulic valve. The activation element has at least one substantially cylindrical armature, one plunger rod and one magnet cone. The plunger rod and the magnet cone are embodied in one piece with the armature.

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