Railcar moving vehicle having monitored weight transfer process

Details Railcar moving vehicle having monitored weight transfer process Railcar moving vehicle having monitored weight transfer process

1993-04-19

1994-04-12

Oberleitner, Robert J.

Railway rolling stock

Locomotives

Traction regulators

2804071, 213 75R, 105 73, 254 33, B61C 1504

Patent

active

053016157

ABSTRACT:
A railcar moving vehicle having a hydraulic system for raising the vehicle coupler while coupled to a railroad car or the like to transfer weight from the railcar to the vehicle. By this invention, fluid pressure in the hydraulic power line is sensed, to monitor an increase in the fluid pressure as the hydraulic system raises the vehicle coupler while coupled to a railcar. Then, when a substantial termination of the increase in fluid pressure is sensed as the hydraulic coupler is raised, an indicator signals the occurrence of this event, typically by automatically terminating the hydraulic raising of the vehicle coupler. Thus, weight may be transferred without overraising the railcar, without the need for estimating the weight of the railcar prior to the weight transfer process.

REFERENCES:
patent: 2722897 (1952-10-01), Morey
patent: 3709153 (1973-01-01), Herscovitch
patent: 3884156 (1975-05-01), Ames et al.
patent: 3892187 (1975-07-01), White, Jr.
patent: 4380198 (1983-04-01), White, Jr.
patent: 4497257 (1985-02-01), White, Jr.
patent: 4537137 (1985-08-01), White, Jr.
patent: 4878436 (1989-11-01), Lich et al.

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