PRINCIPLES OF NAVAL ENGINEERING 



PROPELLER 

 Ut STAGE 



PROPELLER, 

 2nd STAGE 



PROPELLER, 

 3rd STAGE ^ 



OIL BAFFLE 

 SEAL RING 



VISCOSITY 

 PUMP 



CENTRIFUGAL 

 PUMP 



STATIONARY 

 GUIDE VANES 



UPPER 

 BEARING 



EXTERNAL OIL LINE 

 TO UPPER BEARING 



OIL RETURN 

 LINE 



STEAM 

 CHEST 



OIL RESERVOIR— v^ 



NOZZLE 

 VALVE 



STATIONARY 

 BLADING 



LOWER 

 BEARING 



PRESSURE 



GAGE 



TACHOMETER 



THRUST 

 BEARING 



Figure 15-35. -Sectional view of three-stage vertical propeller-type blower. 



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