Patent · US Active

Actuators for hydraulic valve

US11421797B2 · kind B2 · utility

0Cited by

4References

9Claims

0Family size

Assignee

ECO Holding 1 GmbH · DE

Inventors

Thomas Jacob · Stuttgart, DE
Johannes Krebs · Esslingen am Neckar, DE
Diana Neufeld · Stuttgart, DE

Key dates

Filing date	Jul 19, 2020
Grant date	Aug 23, 2022
Priority date	—
Expiry date	Jul 19, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH01F2007/1661
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An actuator for a hydraulic stroke or pressure control valve for a motor vehicle, the actuator including a magnetisable actuator housing that envelops a magnet coil; a pole group arranged in a receiving opening of the actuator housing, wherein the pole group includes a pole core and a pole tube, wherein an axially movable armature is arranged in an inner cavity of the pole group, wherein the armature is configured to axially move a piston of the hydraulic valve by a pin that is supported axially movable in the pole group, wherein the actuator is configured to perform an anti-stick function and a contact damping function, wherein the pin directly contacts a first armature face of the armature that is oriented towards the pin, and wherein the pin is configured axially movable relative to the armature.

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