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:
Nov. 29, 1988
Filed:
Oct. 08, 1987
Applicant:
Inventors:
Gerhard Bohn, Munich, DE;
Christian Gunther, Haar, DE;
Assignee:
Messerschmitt-Bolkow-Blohm GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L / ; B61B / ;
U.S. Cl.
CPC ...
104281 ; 104286 ; 104242 ; 105164 ; 105453 ;
Abstract
A rail vehicle with spring support of its car body on an underframe with flanged wheels for guidance and support on a track. Permanent magnets are provided on the underframe, which exert an attraction counter to the wheel load on armature bars extending along the track. The magnetic force of the magnets is controllable as a function of the load (weight) of the car body by an increase or decrease of the magnetic resistance of a ferromagnetic magnet core by mechanical means as the load decreases or increases.