Patent · US Active

Sleeve for cam phaser and cam phaser

US11168590B2 · kind B2 · utility

0Cited by

0References

22Claims

0Family size

Assignee

ECO Holding 1 GmbH · DE

Inventors

Rene Heym · Gemünden am Main, DE
Norbert Loesch · Tauberbischofsheim, DE
Daniel Viertler · Bad Urach, DE

Key dates

Filing date	Nov 12, 2019
Grant date	Nov 9, 2021
Priority date	—
Expiry date	Apr 14, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2303/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A sleeve for a cam phaser, wherein the sleeve is arranged between a central valve and a rotor of the cam phaser, wherein the rotor is rotatable relative to a stator of the cam phaser about a rotation axis of the rotor, wherein a vane of the rotor is arranged positionable between two bars of the stator, wherein the vane divides an intermediary space that is formed between the two bars into a first pressure chamber and a second pressure chamber, wherein the rotor is movable by pressures that are provided in the first pressure chamber and in the second pressure chamber, wherein the central valve is configured to provide pressure loading and pressure relief of the first pressure chamber and the second pressure chamber.

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