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:
Mar. 11, 2003
Filed:
Nov. 01, 2001
Applicant:
Inventor:
Ming-Te Cheng, Ann Arbor, MI (US);
Assignee:
Ford Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 1/500 ;
U.S. Cl.
CPC ...
G01M 1/500 ;
Abstract
A method and an apparatus for discerning the torsional mode response of a portion of a vehicle , such as but not limited to a drivetrain assembly, comprising a driveshaft , transmission assembly , and shaft , by the use of signals generated from a dynamometer and pseudo-randomly varying signals which are specified by a pseudorandom waveform generator and which are modified by a previously calculated error signal.