PLANT FOR SEPARATING OXYGEN FROM AIR Russian patent published in 1995 - IPC

FIELD: obtaining oxygen from air. SUBSTANCE: plant has cylinder with plunger, electromagnet, and additional plunger. The electromagnet is secured to the cylinder. The additional plunger and main plunger are axially alined. The additional plunger has a space wherein the spring-loaded pusher is received. The ratio of the area of the additional plunger to the area of the main plunger is equal to the ratio of the volume of oxygen to the volume of the other gases presented in air. EFFECT: enhanced efficiency. 3 cl, 4 dwg