B - Operations – Transporting – 60 – F
Patent
B - Operations, Transporting
60
F
104/33.11
B60F 1/04 (2006.01) B60T 13/02 (2006.01) B61D 3/18 (2006.01) B61H 9/00 (2006.01)
Patent
CA 1188154
CONVERTIBLE RAIL-HIGHWAY SEMI-TRAILER AIR CONTROLLED BRAKING AND SUSPENSION SHIFTING SYSTEM ABSTRACT An air control system is provided for a vehicle convertible between highway and railway modes of travel. Air springs suspend a rail-wheel set axle unit and highway wheel-set axle units from the vehicle body so that the one wheel-set axle unit is stored in a raised inoperative position while the other is in the lowered operative posi- tion..During a transfer from the highway mode of travel to the railroad mode of travel, or vice-versa, a valved air control system selectively allows the wheel-set axle units to be positioned in either the raised or lowered positions. The air control system also includes, in addition to the mode selection function, the highway braking function, the rail braking function, the parking brake and the emergency brake functions.
409372
Bi-Modal Corporation (the)
Ridout & Maybee Llp
LandOfFree
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