296 



PC PASSENGER-BRAKE EQUIPMENT 



Ports b and c' pass through the valve in a similar manner. 

 View (6) shows the location of ports w and I and illustrates 

 how they too pass through the valve without connecting with 

 other ports or passages. View (c) shows how port c leads from 

 the bottom face of the valve to the top face, and how it connects 

 with the ports e and v of the valve. View (d) shows how the 

 port y passes from face to face of the valve and connects with 



1BV 



FIG. 14 



the ports /, i, and *. It will be noted that port * is bushed, or 

 restricted, at the lower face of the valve. The equalizing grad- 

 uating valve has simply a cavity in the face of the valve. 



Application Portion. The application portion is shown in 

 section in Fig. 13. It will -be observed that the construction 

 and operation of this portion of the control valve is similar to 

 the construction and operation of the application portion of the 

 distributing valve of the ET equipment. 



