US 6,391,096 B1Granted

Apparatus and method for extracting and analyzing gas

AssigneeServeron Corporation

InventorsThomas Waters, Raymond Bushnell

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Abstract

A tubular membrane extractor column is connected to an oil filled electrical component such as a transformer. Fault gases dissolved in the transformer oil are extracted from the oil in the separator and are isolated in a second phase. Oil and second phase gas are circulated in separate flow paths until equilibrium is reached. Equilibrated gas is routed to a gas chromatograph or other analytical instrument requiring controlled fluid flow, and which incorporates a manifold assembly that eliminates the need for many of the external fittings and connections required in the instrument. A manifold block has plural fluid flow paths formed therethrough to route fluids to selected components. A collar mates to the block and adapts to a rotary injection valve to provide the continued fluid paths from the block to the injector valve and the other components of the instrument.

Claims5

Dependent claims

Apparatus for extracting gas from fluid contained in a tank, and for analyzing the extracted gas, comprising:

a fluid pathway for routing a fluid from said tank;
a separator in the fluid pathway having an inlet for routing said fluid through said separator, and media for separating gas from said fluid to define a fluid phase and a separate gas phase, said separator defining a fluid phase flow path and an isolated gas phase flow path;
a first outlet in said separator for routing said fluid through a fluid pathway to said tank, and a second outlet in said separator for routing said gas phase to a gas phase equilibration loop;
a pump for circulating said fluid from said tank through said separator during an equilibrium state operation;
a pump for circulating said gas phase in said gas phase equilibrium loop during said equilibrium state operation;
at least one control valve in said gas phase equilibration loop for selectively routing said gas phase from said gas phase equilibrium loop to an instrument for analyzing selected components in said gas during a gas analysis state operation.

3 more elements

Dependencies are inferred from the claim text.