Method and apparatus for detecting gas components in oil in oil-filled device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 24, 1984
Grant Date -
N/A
app pub date -
Jul 20, 1982
filing date -
Jul 27, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an apparatus for detecting gas components in the oil in an oil-filled device, which comprises a gas-storing chamber being provided at an oil-filled device containing an insulating oil through a gas-permeating material capable of separating gas components from the insulating oil, a gas calibration tube being provided at the gas-storing chamber through a switch valve, and a gas chromatographic device connected to the gas calibration tube through the switch valve, any influence of gas components in a subatmospheric pressure is eliminated and exact concentrations of gas components are detected by providing at least one stirring mixer having at least one throttle perforation in a carrier gas passage for supplying the gas components from the gas calibration tube to the gas chromatographic device at the upstream side of a gas separation column of the gas chromatographic device, or by proving a circulation passage between the gas-storing chamber and the gas calibration tube, a valve capable of being exposed to the atmosphere at the circulation passage, and a gas circulation unit at the circulation passage for circulating the gas in the circulation passage.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 21 Citation Count
- G01N Class
- 0 % this patent is cited more than
- 41 Age