1
Hradek Richard W, Myers William P, Alftine David N, Cao Tuan: Oxygen concentrator with pressure booster and oxygen concentration monitoring.. Litton Systems, April 24, 1991: EP0423496-A2 (8 worldwide citation)

In an oxygen concentrator which is intended for aircraft use, a booster compressor (16) is used to increase the pressure of the product gas from the concentrator (15) in order to increase the amount of the gas which can be stored in a plenum (17). The booster includes two moving pistons (47,49) whic ...


2
Alftine David N: Molecular sieve oxygen monitor.. Litton Systems, August 1, 1984: EP0114661-A2 (1 worldwide citation)

A monitoring system for determining the concentration of oxygen in the product gas of an oxygen enriching system includes differential pressure regulator means for reducing the pressure of the product gas, for regulating the pressure of the product gas at a preset level, and for referencing the regu ...


3
Alftine David N: Controle pour loxygene, avec tamis moleculaire, Molecular sieve oxygen monitor. Litton Systems, MACRAE & CO, November 19, 1985: CA1196797

ABSTRACT OF THE DISCLOSUREA monitoring system for determining theconcentration of oxygen in the product gas of an oxygenenriching system includes differential pressureregulator means for reducing the pressure of theproduct gas, for regulating the pressure of the productgas at a preset level, and for ...


4
Hradek Richard W, Myers William P, Alftine David N, Cao Tuan: Oxygenoconcentrateur muni dun surpresseur et dun indicateur de concentration, Oxygen concentrator with pressure booster and oxygen concentration monitoring. Carleton Life Support Systems, MACRAE & CO, February 23, 1999: CA2023707

In an oxygen concentrator which is intendedfor aircraft use, a booster compressor is used toincrease the pressure of the product gas from theconcentrator in order to increase the amount of the gaswhich can be stored in a plenum. The booster includestwo moving pistons which are rigidly linked togethe ...