Patent · US Active

Electrohydraulic valve and method for producing the electrohydraulic valve

US10526931B2 · kind B2 · utility

1Cited by

1References

13Claims

0Family size

Assignee

ECO Holding 1 GmbH · DE

Inventors

Juergen Goll · Collenberg, DE
Sebastian Nickel · Gemünden am Main, DE
Andre Selke · Lohr am Main, DE

Key dates

Filing date	Aug 21, 2018
Grant date	Jan 7, 2020
Priority date	—
Expiry date	Aug 21, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B13/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An electro hydraulic valve for a cam phaser, including an electromagnetic actuator assembly, and a hydraulic assembly, wherein the electromagnetic actuator assembly and the hydraulic assembly are arranged axially aligned along a longitudinal axis, wherein the hydraulic assembly includes a valve housing in which a valve piston is arranged axially movable along the longitudinal axis, wherein a plunger for positioning the valve piston along the longitudinal axis is arranged within the electromagnetic actuator assembly, and wherein the electromagnetic actuator assembly and the hydraulic assembly are connected with one another indirectly or directly, wherein the electromagnetic actuator assembly includes an actuator housing and a friction or form locking connection of the electromagnetic actuator assembly with the hydraulic assembly is provided by an ultrasonic weld between the actuator housing and the valve housing.

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