The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 2004
Filed:
Nov. 05, 2002
Eberhard Wilks, Daufenbach, DE;
Holger Jung, Aldenhoven, DE;
GKN Walterscheid GmbH, , DE;
Abstract
A device for measuring torque and the direction of rotation in a drive assembly, has a torsion element ( ) which can be torque-loaded and rotatingly driven for the purpose of transmitting torque around an axis of rotation ( ). A first transmitter element ( ) attached in a rotationally fast way to the torsion element ( ). The first transmitter element ( ) is moved on a first rotational circle. A second transmitter element ( ) is positioned at a reference distance from the first transmitter element The second transmitter element ( ) is connected in a rotationally fast way to the torsion element ( ) and is moved on a second rotational circle. A sensor unit is fixed and arranged at a distance from the axis of rotation ( ). The sensor unit ( ) senses the passage of the transmitter elements or of a reference edge or a reference surface and generates a corresponding sequence of signals. The transmitter elements generate signals of different lengths and, within the relevant measuring range, signal intervals of different lengths between the signals. An evaluation unit ( ) receives the signals. The evaluation unit ( ) determines the torque applied and the direction of rotation from the distance in terms of time between the signals.