Patent ID: 8915192

Claim:
A circulated pneumatic tube transit system comprises: a first tube; a second tube; a plurality of capsules; a volume of air; an at least one fluid loop mechanism; a first one-directional valve; a second one-directional valve; a first pressure tank; a second pressure tank; said first tube and said second tube each comprise an acceleration section, a cruising section, and a deceleration section; said at least one fluid loop mechanism comprises a first compressor and a second compressor; said first tube and said second tube being positioned along each other; said volume of air being confined within said first tube and said second tube; said plurality of capsules being movably levitated within said first tube and said second tube; said deceleration section of first tube being in fluid communication with said acceleration section of second tube through said first one-directional valve; said deceleration section of second tube being in fluid communication with said acceleration section of said first tube through said second one-directional valve; and said cruising section of said first tube and said cruising section of said second tube being in circular fluid communication by said at least one fluid loop mechanism.