Patent · US Expired

Device for changing the timing of an internal-combustion engine

US7305948B2 · kind B2 · utility

5Cited by

6References

10Claims

0Family size

Assignee

Schaeffler KG · DE

Inventors

Dirk Heintzen · Hagen, DE
Gregory Muller · Troy, US
Roger Meyer · Hudsonville, US
Jeffrey Balko · Deptford, US

Key dates

Filing date	May 13, 2005
Grant date	Dec 11, 2007
Priority date	—
Expiry date	Jul 30, 2025

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/34483
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A device (1) for changing the timing of an internal-combustion engine (2) is provided that has a camshaft adjuster (5), which is supported on a non-rotating bearing journal (6). A driving wheel (8) of the camshaft adjuster (5) is driven by a crank-shaft (3) via a first traction mechanism drive (7). The rotation of the driving wheel (8) is transferred via an actuator (10) to a driven part (9), which is arranged so that it can rotate relative to the driving wheel (8). Second and third traction mechanism drives (11, 12) create a drive connection between the driven part (9) and two camshafts (4, 4a).

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