Patent · US Active

Control valve for a device for variably adjusting the valve timing for gas exchange valves in an internal combustion engine

US8684041B2 · kind B2 · utility

7Cited by

3References

6Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Stefan Konias · Erlangen, DE
Jens Hoppe · Erlangen, DE

Key dates

Filing date	May 24, 2006
Grant date	Apr 1, 2014
Priority date	—
Expiry date	Jan 16, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/8671
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A control valve (14) for a device (1) for altering the valve timing for gas exchange valves (110, 111) of an internal combustion engine (100) is provided. A non-return valve (54) is located within an annular groove (44) formed on one of the components of the control valve (14) and pressurized medium flows through the annular groove. The assembly of the device is facilitated.

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