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. 26, 1995
Filed:
Aug. 25, 1993
Applicant:
Inventor:
Eickhart Goebel, Pfungstadt, DE;
Assignee:
Hofmann Werkstatt-Technik GmbH, Pfungstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73457 ; 74 16 ;
Abstract
A method and apparatus for driving a motor vehicle wheel mounted on a motor vehicle. The wheel is freely rotatable for unbalance measurement thereof a friction wheel driven by an electric motor that is pressed against the tire with varying pressure force. The respective peripheral speeds of the friction wheel and the vehicle wheel in relation to the contact periphery at which the friction wheel bears against the vehicle wheel are ascertained and the electric motor is regulated in a continuous or discontinuous mode in dependence on a difference between the two measured peripheral speeds.