Train tunnel ventilation method and apparatus

Details Train tunnel ventilation method and apparatus Train tunnel ventilation method and apparatus

1976-03-10

1977-07-26

Capossela, Ronald C.

Railways

Droppings catcher

49264, 61 84, 104138R, 160310, E01G 702

Patent

active

040375269

ABSTRACT:
A train tunnel is ventilated by closing an exit end of the tunnel as a train approaches the entrance end, so that during passage through the tunnel the train acts as a loose piston moving through a long closed cylinder, to cause a rapid airflow rearwardly around the train.

REFERENCES:
patent: 585881 (1897-07-01), Baker
patent: 848834 (1907-04-01), Lamb
patent: 1336732 (1920-04-01), Davy
patent: 3090328 (1963-05-01), Berggren
patent: 3583465 (1971-06-01), Youngs et al.
patent: 3605629 (1971-09-01), Edwards

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