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. 14, 2004
Filed:
May. 07, 2002
Voith Paper Patent GmbH, Heidenheim, DE;
Abstract
A method facilitates simultaneously balancing mechanically coupled, synchronously rotating rotors. The rotors have different axes of rotation relative to one another and together define a rotor group to be balanced. Each rotor has at least one of a bearing plane and an other measuring plane associated therewith, the other measuring plane significantly describing vibrations of the each rotor. The rotors within the rotor group together have a number of different angular velocities associated therewith. At least one rotor of the rotor group is equipped with at least one vibration pickup in at least one of each bearing plane and the other measuring plane thereof. As many impulse and phase transmitters are installed in the rotor group as are provided the number of different angular velocities associated with the rotors within the rotor group. At least pertaining vibration signals and a pertaining speed signal are recorded simultaneously, with regard to a respective one of each bearing plane and the other measuring plane. For each bearing plane and the other measuring plane, the coefficients of influence thereof are determined by applying a method of coefficients of influence and setting defined test unbalances. At least one corresponding matrix of coefficients of influence is generated, and a counterbalance mass distribution from the at least one corresponding matrix of coefficients of influence is determined for every operating balance plane of the rotor group. Each bearing plane and measuring plane define one test balance plane.