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:
Oct. 07, 1986
Filed:
Jun. 11, 1985
Applicant:
Inventor:
Peter Vykoupil, Moers-Schwasheim, DE;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73593 ; 73660 ;
Abstract
A method of anticipating defects in the operation of a machine, especially a rotary machine in which high-frequency and low-frequency ranges of a body-wave spectrum in a solid part of the machine are detected and respective auto-spectral density functions G.sub.11 and G.sub.22 are formed, the cross spectral density function G.sub.12 being formed from the measurements as well. The magnitude .gamma..sup.2 =G.sub.12.sup.2 /G.sub.11 .multidot.G.sub.22 is formed and the defect is anticipated by an increase in the value of .gamma..sup.2.