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. 25, 2002
Filed:
Mar. 10, 2000
Rong Fan Liu, Pau, FR;
Alstom, Paris, FR;
Abstract
This monitoring apparatus for monitoring the adhesion of a motive power unit of an electric rail vehicle set comprises a power control stage for controlling the power supplied to the motor of the motive power unit, and an adhesion monitoring stage proper delivering to the power control stage a reference signal generated on the basis of at least one operating characteristic of the motor so as to keep the slip of the wheels of the motive power unit under control. The apparatus further comprises means for generating an activation signal for activating the monitoring apparatus and means for injecting the activation signal into the reference signal so as to cause it to deliver a modified reference signal.