Postioning apparatus for tracked transport vehicles with linear

Details Postioning apparatus for tracked transport vehicles with linear Postioning apparatus for tracked transport vehicles with linear

1974-09-12

1976-02-10

Wood, Jr., M. Henson

Railway switches and signals

Cab signal or train control

Speed-control systems

104148LM, B61L 300

Patent

active

039374319

ABSTRACT:
This invention concerns a positioning device for a transport vehicle, constrained to travel along a track. These transport vehicles are propelled by linear motor propulsion. Along the track are positioning points typically located at stations for entering and exiting the vehicle. Associated with the means for linear motor propulsion, stationary in the track at the positioning points are two switches, means to detect the velocity of the vehicle and a logic control circuit, so that acceleration, deceleration and zero strength excitation signals can be applied to the linear motor in the vehicle so as to cause the vehicle to come to rest at the positioning point. The apparatus controls a vehicle travelling in either direction along the track.

REFERENCES:
patent: 3334224 (1967-08-01), Allen
patent: 3363096 (1968-01-01), Hughson et al.
patent: 3493741 (1970-02-01), Lubich
patent: 3519805 (1970-07-01), Thorne-Booth
patent: 3850105 (1974-11-01), Aronstein et al.

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