Patent · US Active

Hydraulic valve for a cam phaser

US10605127B2 · kind B2 · utility

2Cited by

2References

15Claims

0Family size

Assignee

ECO Holding 1 GmbH · DE

Inventors

Günther Benischek · Mühlacker, DE
Mustafa Mohammed · Rochester Hills, US

Key dates

Filing date	Dec 2, 2016
Grant date	Mar 31, 2020
Priority date	—
Expiry date	Aug 1, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/34433
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A hydraulic valve, in particular for a phaser of a cam shaft, the hydraulic valve including a bushing including a piston that is displaceable in a bore hole along a longitudinal direction; a supply connection configured to supply a hydraulic fluid; at least a first operating connection and a second operating connection; and at least one tank drain configured to drain the hydraulic fluid, wherein the first operating connection and the second operating connection are alternatively connectable with each other and/or with the supply connection and/or with the at least one tank drain through at least one check valve by displacing the piston.

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