Motor start-up unloading in an oxygen concentrator

Details Motor start-up unloading in an oxygen concentrator Motor start-up unloading in an oxygen concentrator

2005-05-24

2005-05-24

Lawrence, Frank M. (Department: 1724)

Gas separation: apparatus

Solid sorbent apparatus

With programmed, cyclic, or time responsive control means

C096S130000

Reexamination Certificate

active

06896721

ABSTRACT:
An oxygen concentrator is controlled during start-up to rapidly shuttle the sieve beds between communication with the pump and atmospheric pressure, so the pressure in the sieve beds is relieved while the pump motor is starting up. After the start-up period, the sieve beds are alternately connected to the pump and atmospheric pressure for longer continuous periods.

REFERENCES:
patent: 4222750 (1980-09-01), Gauthier et al.
patent: 4331455 (1982-05-01), Sato
patent: 4552571 (1985-11-01), Dechene
patent: 4576614 (1986-03-01), Armond et al.
patent: 4627860 (1986-12-01), Rowland
patent: 4813979 (1989-03-01), Miller et al.
patent: 5002591 (1991-03-01), Stanford
patent: 5531807 (1996-07-01), McCombs
patent: 5827358 (1998-10-01), Kulish et al.

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