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:
Dec. 22, 2009
Filed:
Dec. 17, 2007
Edwin Becker, Reken, DE;
Edwin Becker, Reken, DE;
Prueftechnik Dieter Busch AG, Ismaning, DE;
Abstract
A process and device for dynamic measurement of the axial deformation of a rotating hollow shaft (), a glass fiber segment () of a fiber optic sensor () being attached securely to a section of the inside wall of the hollow shaft () extending in axial alignment with the shaft. A light signal produced by a light source () is injected into the glass fiber segment (), and the light signal being detected by a detector () after passing through the glass fiber segment (). Axial deformation of the section of the inside wall of the hollow shaft () is ascertained by determining axial deformation of the glass fiber segment () from the change of at least one parameter of the light signal that occurs when the light signal passes through the glass fiber segment ().