Aeronautics and astronautics – Spacecraft – With fuel system details
Patent
1987-04-03
1990-05-08
Barefoot, Galen
Aeronautics and astronautics
Spacecraft
With fuel system details
137256, 60257, 244135B, 244169, B64G 126, B64G 140
Patent
active
049231529
ABSTRACT:
The two-liquid propulsive system for an artificial satellite is characterized in that the components of the propellant are unequally distributed in at least two pairs of tanks (12, 16) and (14, 18) which are associated in such a way as to provide additional fuel in a first pair of tanks and additional oxidizer in a second pair of tanks, and in that the different pairs of tanks are suitable for being used in succession during predetermined time periods so that the exhaustion of a first propellant component in one tank (14 or 16) indicate that the residual normal lifetime of the satellite is at best approximately equal to said predetermined time period, and that after exhaustion of the second propellant component in the tank (16 or 14), the two tanks (12 and 18) each containing an excess quantity of one of the propellant components are associated in order to extract the satellite.
REFERENCES:
patent: 2557438 (1951-06-01), Johnson
patent: 3070330 (1962-12-01), Escher
patent: 3807422 (1974-04-01), McJones
patent: 4591115 (1986-05-01), DeCarlo
patent: 4609169 (1986-09-01), Schweickert et al.
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