Modulating valve assembly for railroad car brake cylinders

Details Modulating valve assembly for railroad car brake cylinders Modulating valve assembly for railroad car brake cylinders

1978-05-30

1979-12-18

Reger, Duane A.

Fluid-pressure and analogous brake systems

Charging

Outlet-pressure control

303 62, B60T 1112

Patent

active

041791657

ABSTRACT:
A modulating valve for railroad car brake cylinders to adapt them for operation with composition brake shoes, in the form of an assembly comprising a bracket plate arranged for connection in the brake cylinder pipe, at a convenient location between the brake cylinder and the AB control valve, in place of a portion of the brake cylinder pipe removed for that purpose, and a modulating valve mounted on the bracket plate and in communication with the brake cylinder pipe and brake cylinder to limit the fluid pressures supplied to the brake cylinder so that composition brake shoes will deliver the proper brake applying force to the truck wheels without interferring with proper operation of existing brake control equipment.

REFERENCES:
patent: 1265004 (1918-05-01), Turner
patent: 2028404 (1936-01-01), Matrossoff
patent: 2034393 (1936-03-01), Hessian
patent: 3671086 (1972-06-01), Scott
patent: 4093315 (1978-06-01), Page et al.

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