Aeronautics and astronautics – Retarding and restraining devices – Aerodynamic retarders
Patent
1979-11-01
1985-05-21
Frankfort, Charles E.
Aeronautics and astronautics
Retarding and restraining devices
Aerodynamic retarders
244110D, 244117A, 244162, 244163, B64G 158
Patent
active
045181373
ABSTRACT:
Liquid hydrogen stored aboard a space vehicle, and constituting a fuel for use in the vehicle's main rocket motor, is introduced, in a gaseous state, into an inflatable aerodynamic braking member, for moving it from a collapsed stored position outwardly into an inflated operational position. Such member provides a large area braking surface which extends generally laterally outwardly from the space vehicle. During reentry the space vehicle is oriented to reenter nozzle end first. Fuel is consumed within the rocket motor to produce gases which are discharged out through the rocket nozzle to provide a cooling layer of gases forwardly of the large area braking surface. A space vehicle equipped with such an aerodynamic braking system is operated to reenter into the atmosphere. The drag produced by the braking member slows the space vehicle down and then the space vehicle is set into a low earth orbit.
REFERENCES:
patent: 3053476 (1962-09-01), Mohar
patent: 3113750 (1963-12-01), Beardsley
patent: 3242982 (1966-03-01), Sherman
patent: 3286951 (1966-11-01), Kendall
patent: 3321154 (1967-05-01), Downs
patent: 4014485 (1977-03-01), Kinnaird et al.
Barnard Delbert J.
Corl Rodney A.
Frankfort Charles E.
Pauly Joan H.
The Boeing Company
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