Unitized railcar brake equipment

B - Operations – Transporting – 61 – H

Patent

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Details

B61H 13/20 (2006.01) B60T 13/00 (2006.01) B60T 13/26 (2006.01) B60T 13/66 (2006.01) B60T 13/68 (2006.01) B60T 15/00 (2006.01) B60T 17/00 (2006.01) B61H 13/00 (2006.01) B61H 13/02 (2006.01) B61H 13/34 (2006.01)

Patent

CA 2361257

Unitized, stand-alone brake equipment can have a relatively small, integrated air supply volume and can be controlled electronically. The equipment can include a brake cylinder housing a piston; a pair of air chambers acting on opposite sides of the piston, and an air reservoir. Coupling of the air chambers and the air reservoir to each other, a source of pressure, or the atmosphere can be controlled by appropriate valves to regulate the pressure in the brake cylinder. The valves can be components of an electronic control valve portion that can be connected to the brake cylinder. The unitized brake equipment can employ a "self-actuating" brake cylinder wherein air pressure is admissible to both sides of the piston, but acts on unequal surface areas provided on the opposing sides.

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