System for determining the depletion of propellant tanks onboard

Details System for determining the depletion of propellant tanks onboard System for determining the depletion of propellant tanks onboard

1989-08-21

1991-11-12

Steinberger, Brian S.

Aeronautics and astronautics

Spacecraft

With fuel system details

137154, 137607, 244135R, B64G 140

Patent

active

050641530

ABSTRACT:
A system in which a surface tension device is connected at the outlet of the propellant tanks, said surface tension device having surface tension gas barrier means, the presence of gas bubbles at the inlet of said surface tension device is detected and a detect signal is produced, said detect signal indicating that the propellant tanks are empty. The detect signal then causes the spacecraft thrusters to be fed from an auxiliary propellant tank. The latter can be implemented inside a main propellant tank.

REFERENCES:
patent: 3389602 (1968-06-01), Clemens
patent: 4743278 (1988-05-01), Yeh
patent: 4768541 (1988-09-01), Uney et al.
patent: 4898030 (1990-02-01), Yeh

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