Gas separation: processes – Solid sorption – Including reduction of pressure
Reexamination Certificate
2011-04-12
2011-04-12
Bianco, Patricia M (Department: 3772)
Gas separation: processes
Solid sorption
Including reduction of pressure
C095S130000, C096S111000, C096S130000, C096S113000, C096S114000, C096S115000, C096S116000, C096S117000, C096S139000, C096S140000, C096S141000, C096S142000, C096S143000, C096S417000, C096S418000, C096S419000, C096S422000, C128S204170, C128S205110, C128S205120
Reexamination Certificate
active
07922789
ABSTRACT:
A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at a lower temperature than the other compartment. The lower temperature compartment is configured for mounting components that can be damaged by heat. The higher temperature compartment is configured for mounting heat generating components. An air stream is directed to flow from an ambient air inlet to an air outlet constantly so that there is always a fresh source of cooling air. The apparatus utilizes a PSA unit to produce an oxygen enriched product. The PSA unit incorporates a novel compressor system which includes the use of free piston linear compressors so as to reduce power consumption, noise and vibration reduction.
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Deane Geoffrey Frank
Taylor Brenton Alan
Bianco Patricia M
Inogen, Inc.
Knobbe Martens Olson & Bear LLP
Patel Nihir
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