Apparatus and method for conserving fuel during dynamic braking

Details Apparatus and method for conserving fuel during dynamic braking Apparatus and method for conserving fuel during dynamic braking

1987-06-24

1988-04-05

Chambers, A. Michael

Railway switches and signals

Cab signal or train control

Speed-control systems

105 621, B61C 500

Patent

active

047353856

ABSTRACT:
A respective microcomputer-based dynamic braking proportioning unit is disposed on each locomotive of a group of locomotives of a train consist. Each unit is connected to the brake setup and brake control wires of a trainline communicating with all of the locomotives, and each unit is connected to the dynamic braking equipment of its respective locomotive. Each unit includes two data entry mechanisms, such as switches, by which the respective microcomputer is advised of the total number of locomotives and of a unique number identifying the respective locomotive within the group. From the two signals from the trainline and the total locomotive and unique locomotive identification data, the respective microcomputer determines and outputs appropriate dynamic brake equipment control signals for the respective locomotive. These control signals are generated so that not all of the locomotives necessarily need to be placed in a dynamic braking mode for all levels of total dynamic braking required, thereby allowing any unneeded locomotive to be operated at a lower fuel consuming power level.

REFERENCES:
patent: 4253399 (1981-03-01), Spigarelli
patent: 4344364 (1982-08-01), Nickles et al.
patent: 4692867 (1987-09-01), Poole

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