Rocket propellant pressurization system using high vapor pressur

Details Rocket propellant pressurization system using high vapor pressur Rocket propellant pressurization system using high vapor pressur

1993-10-06

1995-12-05

Casaregola, Louis J.

Power plants

Reaction motor

Liquid oxidizer

60 3948, F02K 950

Patent

active

054718333

ABSTRACT:
There is provided a system for expelling a liquid fuel component from a tank to a rocket engine utilizing a pressurized gas to displace the propellant. A pressurized high vapor pressure liquid is combined with the pressurized gas reducing the volume of pressurizing agent required to expel a desired volume of the liquid fuel component. Since the volume of pressurizing gas is less, the weight of the propelled craft may be reduced or additional fuel carried. In another embodiment of the invention, the vapor phase of the high vapor pressure liquid is used as a reference pressure to control other systems.

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