Measuring and testing – With fluid pressure – Porosity or permeability
Patent
1995-06-06
1997-01-07
Brock, Michael
Measuring and testing
With fluid pressure
Porosity or permeability
738655, G01N 1508
Patent
active
055918972
ABSTRACT:
The invention relates to an apparatus for measuring the gas absorbing and/or desorbing characteristics of a substance having a property to absorb a gas. The apparatus comprises a sample container for containing the substance, a gas storage connected to the sample container for storing the gas until a predetermined pressure is reached, a gas supply source for supplying the gas to the gas storage, a first valve provided on a line connecting the gas supply source to the gas storage, a second valve provided on the line between the first valve and the gas storage, and a third valve provided on a gas discharge line connected to the line between the first and second valves, the first to third valves being each a two-position valve having an open position and a closed position, the valves defining a region thereby surrounded and serving as a preliminary storage for temporarily holding the gas when the gas is supplied or discharged. The substance having the gas absorbing property is, for example, a hydrogen absorbing alloy, and the gas is hydrogen.
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Fujitani Shin
Imoto Teruhiko
Nakamura Hiroshi
Nakamura Yumiko
Nishimura Koichi
Brock Michael
Sanyo Electric Co,. Ltd.
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