System for pneumatic propulsion of vehicles

Details System for pneumatic propulsion of vehicles System for pneumatic propulsion of vehicles

1986-07-18

1988-10-04

Reeves, Robert B.

Railways

Switches

For toothed rail

104140, 104155, 246419, E01B 2500

Patent

active

047748915

ABSTRACT:
Cargo and passenger vehicles are pneumatically propelled by a system comprising a bifurcated rail module assembled on a beam, for establishing two alternative routes for the rail network, according to a position adopted by line changing equipment. Switch points in the rails are synchronized by an actuator located below the beam, the motion of which is transmitted by torque tubes that drive the switch points. The control motion of the switch points is transmitted further by connecting rods located below the beam, to a torque tube that moves segments of articulated rail for clearing the passage of driving vanes connected to the vehicle through a longitudinal slot in the beam, in the same direction established by the position of the switch points of the line changing equipment. Stop valves for the module are provided in the two bifurcated ends of the duct for interrupting the flow in the portion of the line not selected by the line changing equipment. The stop valves may comprise two mobile panels moved by actuators, the assembly being installed in the space between any two beams of the rail network or, alternatively, may comprise a retractable panel placed below the beam which rises through an opening in the lower plane of the beam to efficiently block the flow of air in the duct.

REFERENCES:
patent: 356865 (1887-01-01), Bryson, Jr. et al.
patent: 667508 (1901-02-01), Edwards
patent: 680843 (1901-08-01), Comstock
patent: 747774 (1903-12-01), Ritter
patent: 824354 (1906-06-01), Green
patent: 3610163 (1971-10-01), Edwards
patent: 3701496 (1972-10-01), Ekama
patent: 4108079 (1978-08-01), Carstens et al.
patent: 4587906 (1986-05-01), Coester
patent: 4658732 (1987-04-01), Coester

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