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. 27, 1984
Filed:
Jul. 12, 1983
Otfrid Maus, Darmstadt, DE;
Abstract
An unbalance measurement device is provided for a balancing machine for determining the unbalance of a rotor according to position and magnitude. The balancing machine has a drive motor, transducers, a spindle supporting the rotor to be balanced, and an increment disc fixed to the spindle. Filter circuitry for analog signals is provided for the purpose of reducing extraneous signals by means of a filter whose mid-frequency is controlled by a high control frequency. Due to this filtering, changes in the rotational frequency of the rotor to be balanced do not influence the determination of the position of the unbalance. In addition, in the case of correction in several planes, interference of the measurement in one plane caused by the preceding measurement in the other plane is prevented.