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:
Jul. 07, 1992
Filed:
Apr. 18, 1990
Yasuo Inoue, Ukyo-ku, Kyoto-shi, Kyoto, JP;
Masanari Kikkawa, Ukyo-ku, Kyoto-shi, Kyoto, JP;
Masaru Kamba, Kyoto, JP;
Hiroshi Okuda, Kyoto, JP;
Other;
Abstract
Apparatus and method for measuring a dissolved gas in oil wherein air is blown into an oil sample through a bubble generator, bubbles are passed through the oil sample to extract dissolved gas therefrom, a resulting air-extracted gas mixture is contacted by a gas sensor for detecting and measuring the dissolved gas and the mixture is recirculated through the oil sample. Preferably, the air bubbles are within the range of 0.1 mm to 8.0 mm, and, also, the volume of the apparatus is selected so that the quantity of the gas to be measured is not more than 20% of the combined volume of the extraction vessel, the sensor chamber, and the connecting conduit.