Patent · US Active

Adjustable camshaft

US8453615B2 · kind B2 · utility

2Cited by

4References

9Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Markus Lettmann · Kieselbronn, DE
Falk Schneider · Neuerburg, DE

Key dates

Filing date	Sep 4, 2007
Grant date	Jun 4, 2013
Priority date	—
Expiry date	Jul 11, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/0476
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The present invention relates to an adjustable camshaft (1), wherein inner and outer shafts (4, 2) connected securely with cams (5, 6) can be rotated relative to each other. In order to obtain this relative movement, at least one hydraulic adjusting device (3) is provided at one end of the camshaft (1), wherein a rotor (2) is rotatable in relation to a stator (19), and the rotor (20) and the stator (19) are each connected securely with one of the two shafts (2, 4). It is essential to the invention that the camshaft (1) is part of a prefabricated camshaft assembly, comprising at least the following components oriented relative to each other: camshaft (1) comprising inner shaft (4), outer shaft (2), cams (5, 6) and adjusting device (3) and a chain wheel (10).

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