Patent · US Expired

Control structure for the adjusting motor of an electric camshaft adjuster

US7059285B2 · kind B2 · utility

5Cited by

6References

7Claims

0Family size

Assignee

Ina Schaeffler KG · DE

Inventors

Jens Schafer · Herzogenaurach, DE
Martin Steigerwald · Herzogenaurach, DE
Martin Overberg · Herzebrock, DE

Key dates

Filing date	Dec 17, 2004
Grant date	Jun 13, 2006
Priority date	—
Expiry date	Dec 17, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/2102
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A control structure for the adjusting motor (8) of an electric camshaft adjuster (6) in an internal combustion engine (1) is provided. The control structure includes a controller (19) which processes measuring signals of the internal combustion engine (1) to control data for the adjusting motor (8). A controller (19) which has meaningful values for the adjusted setpoint rotational speed of the adjusting motor (8), even when the input differential signal has a zero value, is obtained by applying the signal of an uncontrolled rotational speed (21) to the output signal (20) of a controlled setpoint rotational speed.

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