Freight brake control using train net braking ratio

Details Freight brake control using train net braking ratio Freight brake control using train net braking ratio

1998-08-24

1999-07-27

Poon, Peter M.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 969, B60T 1300

Patent

active

059278226

ABSTRACT:
A railway freight brake system for operating vehicles in a train wherein each vehicle responds in braking situations as if its effective net braking ratio was a desired train net braking ratio. Embodiments include vehicles receiving a brake signal and utilizing either a received train net braking ratio or utilizing a stored on-board train net braking ratio to control pneumatic equipment on-board the vehicle to produce brake forces on the vehicle generally corresponding to the net braking ratio of the train. Some embodiments use a common train line control to communicate both train net braking ratio and brake signals to the individual vehicle. Individual vehicles can receive periodic or initial train net brake ratio values.

REFERENCES:
patent: 4056286 (1977-11-01), Burkett
patent: 4402047 (1983-08-01), Newton et al.
patent: 4904027 (1990-02-01), Skantar et al.
patent: 5383717 (1995-01-01), Fernandez et al.
patent: 5551765 (1996-09-01), Sich
patent: 5833325 (1998-11-01), Hart

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