Control valve structure for an oxygen machine

Details Control valve structure for an oxygen machine Control valve structure for an oxygen machine

2008-07-15

2008-07-15

Lawrence, Frank M. (Department: 1797)

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

C128S205240, C137S862000, C137S596160

Reexamination Certificate

active

07399347

ABSTRACT:
A control valve structure for an oxygen machine uses a motor to link a disc to spin, which activates a pair of valve rods to open and close in sequence through rotation of the motor to control air flow.

REFERENCES:
patent: 1887589 (1932-11-01), Farmer
patent: 3923479 (1975-12-01), Glass et al.
patent: 5366541 (1994-11-01), Hill et al.
patent: 5611923 (1997-03-01), Suri et al.
patent: 6062260 (2000-05-01), Yoshimura et al.
patent: 6068680 (2000-05-01), Kulish et al.

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