A pneumatically controlled oxygen producer by pressure swing...

Details A pneumatically controlled oxygen producer by pressure swing... A pneumatically controlled oxygen producer by pressure swing...

B - Operations, Transporting

01

D

B01D 53/047 (2006.01) A62B 21/00 (2006.01)

Patent

CA 2266228

The present invention discloses a pneumatically controlled oxygen concentrator by pressure swing adsorption method. Its full-pneumatic control device consists of two pilot-pilot two-position five-way valves, a one-way cylinder and a mechanical two-way valve, no electronic and electric components are used. The automatic control is accomplished by the pneumatic components. Two molecular sieve tanks of the oxygen concentrator are charged and discharged with compressed air by a pneumatic control apparatus, and proceed with adsorption process and desorption process alternatively. This oxygen concentrator is simple and compact in structure, low in cost, good in reliability and easy for maintenance and repair.

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