Apparatus and method for measuring dissolved gas in oil
CA 1339796 C · Owner: Kikkawa, Masanari · Inventors: Inoue, Yasuo; Okuda, Hiroshi; Kikkawa, Masanari
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
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.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 31, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2015.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.