Two separate high speed and low speed disc brake units for railw

Details Two separate high speed and low speed disc brake units for railw Two separate high speed and low speed disc brake units for railw

1992-11-27

1994-03-29

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188 711, 188106P, 188153R, 303 601, 303 13, 303 15, B60T 1300

Patent

active

052978567

ABSTRACT:
A railroad car brake system, comprising, a pneumatic-to-hydraulic transducer connected to a brake control unit for developing braking pressure in response to a brake command request, and a plurality of disc brake units connected to the pneumatic-to-hydraulic brake pressure transducer and being characterized by the fact that the disc brake units are divided into high speed disc brake units and low speed disc brake units and a control valve is installed between the brake pressure transducer and the disc brake units so that the pressurized fluid may be supplied from the brake pressure transducer either to the high speed disc brake units, or to the low speed disc brake units.

REFERENCES:
patent: 2160209 (1939-05-01), Canetta
patent: 3944287 (1976-03-01), Nagase
patent: 4619348 (1986-10-01), Smith
patent: 4671576 (1987-06-01), Fourie
patent: 4923056 (1990-05-01), Nedelk
patent: 4986610 (1991-01-01), Beck et al.
patent: 5172960 (1992-12-01), Chareire

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