P C PASSENGER-BRAKE EQUIPMENT 



289 



the application chamber can be drained. At 157, Fig. 3, is 

 shown the emergency-cylinder gasket; at 158, the quick-action- 

 cylinder gasket; at 159, Fig. 2, the large-reservoir gasket; and 

 at 160, the equalizing-cylinder gasket. The functions of the 

 application chamber are similar to those of the application 

 chamber of the ET equipment. 



FIG. 4 



The reduction-limiting chamber Y is the space contained 

 within the inner reservoir wall b. The application portion of 

 the control valve extends into this space, but it is not in any way 

 open to chamber Y. The function of the reduction-limiting 

 chamber is to limit the service braking power to a predeter- 

 mined amount by maintaining the equalization of the pressure 

 20 



