Railway vehicle brake system with four-way valve

Details Railway vehicle brake system with four-way valve Railway vehicle brake system with four-way valve

B - Operations, Transporting

60

T

303/40

B60T 17/04 (2006.01)

Patent

CA 1189113

ABSTRACT OF THE DISCLOSURE A railroad vehicle brake system in which a four-way valve is used to control air flow in brake pipe sections and to the control valve which controls the air supplied to a brake cylinder. The four-way valve includes a housing and a rotatable operating member in the form of a truncated bolt with air channels therein which member can be rotated so as to selective- ly interconnect, or cut-off the brake pipe sections and the control valve. The member has operating shafts integral with the bolt which extend from opposite sides of the housing. Multi-part seals are disposed in openings in the housing to which the brake pipe sections and the control valve are con- nected and have portions urged into contact with the bolt.

410059

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