Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1986-05-22
1987-06-16
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 68, 55179, 55218, 55389, 417392, 417394, B01D 5304
Patent
active
046734155
ABSTRACT:
A compressor (10) and an accumulator tank (12) supply compressed air to an oxygen concentrator (32). Separated oxygen flows through a first check valve (40) into a first oxygen receiving region (54) of a first tank (50) displacing a first movable barrier (52). When a pressure sensor (72) senses that the pressure in the first oxygen receiving region has reached a preselected level, it causes a valve (62) to move from a vent state to a state in which compressed air is supplied from the accumulator into a pressurizing fluid receiving region (56). This displaces the first movable barrier with a first preselected pressure, pumping the oxygen through a second check valve (80) into a second oxygen receiving region (94) of a second tank (90). A second movable barrier (92) separates the second oxygen receiving region from a second pressurizing fluid receiving region (96). A pressure regulator (98) supplies compressed air from the accumulator into the second pressurizing fluid receiving region (96) at a second preselected pressure, which is lower than the first preselected pressure. In this manner, the separated oxygen in the second tank is continuously pressurized to the second preselected pressure.
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Spitzer Robert
VBM Corporation
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