PRINCIPLES OF NAVAL ENGINEERING 



BEUVILIE SPRING 



CONTROL ROD 



THERMAL SHIELDS 



CONTROL DRIVE 

 MECHANISM HOUSING 



NATURAL URANIUM 

 ASSEMBLY (BLANKET) 



CORE CAGE 



BOTTOM PLATE 



FLOW BAFFLE 



147.159X 

 Figure 24-9.— Longitudinal section of 

 PWR reactor. 



TERMINAL BOX 



IMPELLER 

 BOLTING RING 



I VOLUTE 



147.160X 

 Figure 24-10.— PWR main coolant pump. 

 (A) External view. (B) Cutaway view. 



624 



