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.

Date of Patent:
Jan. 17, 1989

Filed:

Mar. 02, 1988
Applicant:
Inventors:

Katsumi Shiono, Ako, JP;

Hideo Shinohara, Ako, JP;

Sadao Naito, Ako, JP;

Goroo Ikeda, Ako, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
364497 ; 361 35 ; 361 37 ;
Abstract

An apparatus for automatically analyzing gases in oil, wherein a gas analyzer analyzes the total quantity of combustible gases extracted from the oil or the quantities of several specified ones of the combustible gases, comprising a data processor determining the presence or absence of the abnormality of an oil-immersed equipment on the basis of the increasing or decreasing trend of the analyzed results obtained in several analyzing operations, or calculating the sampling period of oil sampling and analytical processing routines, on the basis of the increasing or decreasing trend of the analyzed results, whereby the abnormality can be automatically determined with a high reliability.


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