Patent · US Expired

Device for changing the angle of rotation of a camshaft relative to a drive wheel of an internal combustion engine

US6912982B2 · kind B2 · utility

3Cited by

10References

1Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Kai Lehmann · Ludwigsfelde, DE
Timo Schmidt · Stuttgart, DE

Key dates

Filing date	Feb 20, 2004
Grant date	Jul 5, 2005
Priority date	—
Expiry date	Feb 20, 2024

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/3443
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a device for changing the angle of rotation of a camshaft arranged in a cylinder head of an internal combustion engine relative to a drive wheel of the internal combustion engine, wherein a hydraulic adjusting arrangement is arranged between the drive wheel and the camshaft and is connected to a fluid circuit of the internal combustion engine, and wherein the fluid supply to the adjusting arrangement is controlled by an on/off valve, the on/off valve is mounted near the camshaft and is supplied with fluid via the camshaft.

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