Propellant Pump
Propellant pumps are usually present to raise the propellant pressure above the pressure in the combustion chamber so that the fuel can be injected. Fuel pumps are usually driven by the main shaft, via gearing.
Read more about this topic: Components Of Jet Engines, Design Procedure
Famous quotes containing the word pump:
“God primes the pump of obligation.”
—A.P. Martinich (b. 1946)