Gas separation: processes – Solid sorption – Including reduction of pressure
Reexamination Certificate
2005-08-30
2005-08-30
Spitzer, Robert H. (Department: 1724)
Gas separation: processes
Solid sorption
Including reduction of pressure
C095S103000, C095S105000, C095S122000, C096S124000, C096S130000, C096S144000
Reexamination Certificate
active
06936091
ABSTRACT:
A valve assembly for use in a gas purification system having a plurality of vessels each having a first port opening and a second port opening. The gas purification system includes a first valve element having a first aperture to selectively connect a first port opening of a vessel to an outlet of the first valve element. The gas purification system also includes a second valve element having a second aperture to selectively connect a second port opening of a vessel to an input of the second valve element. Also provided are a motor adapted to rotate continuously and a converting mechanism that converts continuous movement of the motor into intermittent movement. The first and second valve elements are intermittently moved by the motor and the converting mechanism such that the intermittent movement changes the vessel connected to the second aperture and the vessel connected to the first aperture.
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Metso Automation USA Inc.
Spitzer Robert H.
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