Patent · US Expired

Actuating system comprising a piston-cylinder assembly together with a driving device

US6600285B2 · kind B2 · utility

14Cited by

14References

45Claims

0Family size

Assignee

Stabilus GmbH · DE

Inventors

Rolf Mintgen · Peitz - Picnjo, DE
Ralf Rissel · Saffig, DE
Andreas Ritter · Haiger, DE

Key dates

Filing date	Mar 27, 2001
Grant date	Jul 29, 2003
Priority date	—
Expiry date	Mar 27, 2021

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE05Y2900/546
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An actuating system includes a driving device fixed to a base part and operatively connected to a movable part. A sensor detects the rotational speed of the movable part at a reference measuring location, and a control system forms a differential of the rotational speed with respect to the time. The formed differential is compared in a comparison unit with a stored differential value which corresponds to a measuring point on a route of movement of the movable part. An obstacle is recognized when there is a difference above a threshold value between the formed differential and the associated stored value.

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