B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/30
B01D 53/26 (2006.01) B01D 53/04 (2006.01)
Patent
CA 1109003
DUAL FILTER ASSEMBLY FOR COMPRESSED GAS Abstract of the Disclosure A compressed gas filter assembly having dual filter units each containing an adsorbent and alternating between filtering and regenerating cycles, the units alternately receiv- ing compressed gas from a source for adsorbing a contaminant therefrom and having the adsorbent regenerated by reverse flow therethrough of filtered gas from the other unit and together providing an uninterrupted output of filtered gas from the assem- bly, and a regenerating line connecting filtered gas outlets of the units and having in each unit a restricted orifice centered on and directed toward a downstream end of a canister therein containing the adsorbent, each orifice alternately passing a me- tered flow of filtered gas under substantially constant pressure to the other unit and discharging filtered gas from the other unit as a substantially constant flow of gas at reduced pressure for regenerating and cooling the adsorbent in its unit. A coni- cal deflector mounted centrally on a foraminous end plate at the downstream end of the canister, spreads the regenerating gas across the adsorbent and protects the end plate from damage by any particulate matter discharged from the orifice with the gas.
321769
George H. Riches And Associates
Graham-White Sales Corporation
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