Aerial transport system

Details Aerial transport system Aerial transport system

1980-01-08

1982-08-24

Reese, Randolph A.

Railways

Suspended

104298, 104299, 104301, 105148, 246 31, 246 34R, B61B 302, B60L 1522

Patent

active

043455220

ABSTRACT:
Disclosed is an aerial transport system which comprises an aerial track having therealong a pair of electric current-carrying cables in a parallel relationship with respect to one another and with respect to the track, and self-propelled carriages. Each carriage has an electric current collector to collect electric power from the current-carrying cables and to supply the power to an electrical driving mechanism mounted thereon for driving wheels engaging with the track. The current-carrying cables are separated at longitudinal given intervals so as to define respectively independent electric power supply zones. The transport system further includes a system for controlling electric power supply for the vehicle or carriage including a mechanism for detecting a vehicle or carriage position in the track provided in each power supply zone. The vehicle or carriage position detecting mechanism has a circuit which is closed when the vehicle or carriage is present within the zone, and a detector for detecting an electric current flowing in the zone when the circuit is closed. The detector is associated with a holding relay control circuit. The holding relay controls an electric power supply control circuit having a controlling contactor connected with a contact of the holding relay.

REFERENCES:
patent: 2164331 (1939-07-01), Loughridge
patent: 2255797 (1941-09-01), Loughridge
patent: 3263625 (1966-08-01), Midis et al.
patent: 3967801 (1976-07-01), Baughman
patent: 3979092 (1976-09-01), Perry et al.
patent: 4015807 (1977-04-01), Bourree et al.
patent: 4202273 (1980-05-01), Matsui et al.
patent: 4227666 (1980-10-01), MacMunn et al.

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