Electrical bushing gas sampling apparatus and method

Details Electrical bushing gas sampling apparatus and method Electrical bushing gas sampling apparatus and method

1980-12-29

1982-11-23

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

174 11BH, G01N 110

Patent

active

043599087

ABSTRACT:
A sealable membrane is inserted within the filler plug receptacle of a high voltage bushing for providing access to the gas space above the dielectric oil used within the bushing. Gas sampling is achieved by inserting the needle of a hypodermic syringe through the membrane and withdrawing a quantity of gas to be sampled. The sealable properties of the membrane allow a plurality of samples to be taken without destroying the gas-tight seal.

REFERENCES:
patent: 2279230 (1942-04-01), Frost
patent: 3238784 (1966-03-01), Dorsey et al.
patent: 3550452 (1970-12-01), Halasz et al.
patent: 3693455 (1972-09-01), Harding et al.
patent: 3767835 (1973-10-01), Englehardt
patent: 3776042 (1973-12-01), Werra et al.
patent: 4273951 (1981-06-01), Terreri

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