B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
303/21
B60T 8/18 (2006.01)
Patent
CA 1276211
EMPTY-LOAD CHANGEOVER APPARATUS Abstract of Disclosure This invention relates to a brake cylinder pressure pro- portional valve device for interposition in a brake control pipe connecting a brake control valve and a brake cylinder and a novel mechanism adjustable accordingly as the vehicle is empty or loaded to cause the proportional valve device to operate only while the vehicle is empty and subsequent to a chosen build-up of an inshot pressure in the brake cylinder, to cut off flow of fluid under pressure from the brake control valve to the brake cylinder at a value proportional to the pressure established in the control pipe by the brake control valve for the reduction of pressure effected in the brake pipe.
125360
Fetherstonhaugh & Co.
Westinghouse Air Brake Company
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