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Pneumatic Tube Air Break

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An air brake is build with two ducts and two air valves. If one valve is open, the other is automaticly closed. The pressure of the blower will do this automaticly, there is no need for an external control.

The valves are placed in such a way that when a carrier is sucked to the blower, the air will go through the bypass pipe.
The carrier will pass the tube switch, which shall switch off the blower. The carrier will be stopped by the air buffer in the tube. The rest of the air will flow through the bypass tube, and has no longer affect to the carrier.
By lengthening the bypass the inhibition of the carrier will be softer.

 

How does an air break work? Here an explanation »

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Pneumatic Tube Air Break

  Last updated: 05-01-2019


Pneumatic Tube Air Break


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1 April 1877 (147 years ago)
Initial Commissioning Pneumatic Tube Mail Munich, Germany

19 April 1898 (125 years ago)
Underground pneumatic tube mail service connected the central Philadelphia post office with Pennsylvania and Reading terminals

4 April 1910 (114 years ago)
Commissioning Pneumatic Tube Mail Algiers, Algeria

28 April 1950 (73 years ago)
Pneumatic Tube Mail between New York and Brooklyn (mail carried in tubes across the Brooklyn Bridge) ends because of repairs on the bridge and was never restored

1 April 1953 (71 years ago)
Second Re-Commissioning Pneumatic Tube Mail Munich, Germany

30 April 1984 (39 years ago)
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