Apparatus for and method of sampling liquid oxygen

Details Apparatus for and method of sampling liquid oxygen Apparatus for and method of sampling liquid oxygen

1978-07-20

1979-11-13

Swisher, S. Clement

Measuring and testing

Measuring vessel

73422R, 141 48, G01N 110, G01N 122

Patent

active

041738950

ABSTRACT:
An apparatus for sampling liquid gas with minimum contamination includes a manifold assembly separated into three sections by two valves and having a vent at one end and a fitting for connecting a gaseous sample container to the apparatus at its other end. A liquid sample receiving cylinder is connected to the middle section of the manifold assembly. A flexible conduit, which may be connected to a unit to be sampled at one end, may be selectively coupled to the sample receiving cylinder or the first section of the manifold assembly for purging the service hose. The method of using this apparatus includes purging sections of the manifold, receiving cylinder and flexible conduit with residual gas vapor pressure in a sample container, purging the flexible conduit with liquid gas from a unit to be sampled, filling the receiving cylinder with liquid gas, and converting the liquid gas to a gaseous state in the sample container.

REFERENCES:
patent: 3123982 (1964-03-01), Brown et al.
patent: 3272238 (1966-09-01), Groppe
patent: 3544276 (1970-12-01), Merwitz, Sr.

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