Gas separation: apparatus – Apparatus for selective diffusion of gases – Plural separate barriers
Patent
1997-08-12
2000-02-01
Simmons, David A.
Gas separation: apparatus
Apparatus for selective diffusion of gases
Plural separate barriers
96190, 96208, 55319, 55337, 55339, 554591, 55461, 55478, 55487, 55489, 55DIG17, B01D 5000, B01D 4512, B01D 5329, B01D 5322
Patent
active
060198222
ABSTRACT:
An air dehumidifying apparatus having a cyclone separator, a primary filter, a secondary filter, and a separation membrane element made of a special high polymer for passing steam smoothly and hardly passing air. The elements of the apparatus are disposed in a flow direction of air, so that the air may pass sequentially. Also, a casing is provided for forming an outer wall of the cyclone separator and accommodating the primary and secondary filter and separation membrane element. Large particles of oil, moisture, dust and other foreign matter are removed by the cyclone separator. As a result, the life of the primary filter is extended. By putting the filters and separation membrane element into one casing, the apparatus is reduced in size, and is installed easily.
REFERENCES:
patent: 4028076 (1977-06-01), Fields
patent: 4881953 (1989-11-01), Prasad et al.
patent: 5525143 (1996-06-01), Morgan et al.
patent: 5743925 (1998-04-01), Bench
Kanzawa Terukazu
Tanaka Hideaki
Hopkins Robert A.
Misuzu Machineries & Engineering Ltd.
Simmons David A.
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