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:
Sep. 27, 1983
Filed:
Apr. 29, 1981
Applicant:
Inventors:
Kazuo Ikeuchi, Hitachi, JP;
Tsuguaki Koga, Hitachi, JP;
Tomoaki Inoue, Hitachi, JP;
Katsumi Oyabu, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
7386254 ; 7386258 ; 340682 ;
Abstract
A method of and a system for monitoring the conditions of a journal bearing having a bearing surface for supporting a rotatable shaft through an oil film. Detectors detect the speed of rotation of the shaft and the pressure of the oil film. The load on the journal bearing is calculated based on the rotational speed of the shaft and the pressure of the oil film.