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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Photosensitive device to detect bearing deviation Patent
Photosensitive light source device for detecting unmanned spacecraft deviation from reference attitude
Shock absorbing support and restraint means Patent
Shock absorbing couch for body support under high acceleration or deceleration forces
Antenna beam-shaping apparatus Patent
Device for improving efficiency of parabolic horn antenna system for linearly polarized signals
Temperature-compensating means for cavity resonator of amplifier Patent
Thermally sensitive tuning probe for nullifying detuning effects in microwave cavity resonator of amplifier
High temperature testing apparatus Patent
Test apparatus for determining mechanical properties of refractory materials at high temperatures in vacuum or inert atmospheres
Spherically-shaped rocket motor Patent
Spherical solid propellant rocket engine having abrupt burnout
Parabolic reflector horn feed with spillover correction Patent
Device for improving efficiency of parabolic reflector horn for linearly or circularly polarized waves
Supporting and protecting device Patent
Supporting and protecting frame structure and plug for empty thrust chamber assembly, handling, and shipping
Means for visually indicating flight paths of vehicles between the Earth, Venus, and Mercury Patent
Table structure and rotating magnet system simulating gravitational forces on spacecraft and displaying trajectories between Earth, Venus, and Mercury
Space vehicle attitude control Patent
Spacecraft attitude control system using solar and earth sensors, gyroscopes, and jet actuators
Thermally operated valve Patent
Gas valve operated by thermally expanding and contracting device
Ionospheric battery Patent
Lightweight, rugged, inexpensive satellite battery for producing electrical power from ionosphere using electrodes with different contact potentials
Valve actuator Patent
Actuator using compressed gas as driving force to control valve handling large liquid flows
Ion thruster cathode Patent Application
Encapsulated heater forming hollow body for cathode used in ion thruster
Binary to binary-coded-decimal converter Patent
Binary to binary-coded decimal converter using single set of logic circuits notwithstanding number of shift register decades
Cassegrainian antenna subflector flange for suppressing ground noise Patent
Cassegrain antenna subreflector flange for suppressing ground noise and increasing antenna transmitting efficiency