Filter arrangement and mounting in railway brake pipe bracket

Details Filter arrangement and mounting in railway brake pipe bracket Filter arrangement and mounting in railway brake pipe bracket

B - Operations, Transporting

60

T

B60T 17/04 (2006.01) B01D 46/24 (2006.01) B60T 15/42 (2006.01)

Patent

CA 2117876

A pipe bracket portion of a freight brake control valve having an improved filter arrangement. The pipe bracket portion has a first side with a service portion and an emergency portion mounted thereto. The pipe bracket portion has a second side with a brake pipe, a brake cylinder, a emergency reservoir and an auxiliary reservoir thereto. The pipe bracket portion is provided with a cavity means designed for containing a generally cylindrical filter therein. A retaining nut secures the filter in the cavity means and provides a seal between the outer circumference of one end of the cylindrical filter and the pipe bracket portion. A first cavity portion and a second cavity portion are thus formed within the cavity means in which the first cavity portion houses the cylindrical filter, and the second cavity portion has at least one radial port for delivering air. The retaining nut has a throughbore to permit air flow from the first cavity portion to the second cavity portion and has one or more spaced raised portions extending into the second cavity portion to provide radial airflow from the second cavity portion to the radial ports.

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